[jboss-cvs] JBossAS SVN: r101117 - in projects/jboss-mdr/trunk/src: main/java/org/jboss/metadata/spi/retrieval and 4 other directories.

jboss-cvs-commits at lists.jboss.org jboss-cvs-commits at lists.jboss.org
Thu Feb 18 11:00:29 EST 2010


Author: kabir.khan at jboss.com
Date: 2010-02-18 11:00:28 -0500 (Thu, 18 Feb 2010)
New Revision: 101117

Added:
   projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/
   projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/
   projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation1.java
   projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation2.java
   projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation3.java
   projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation4.java
   projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation5.java
   projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/NullAnnotatedElementMetaDataLoader.java
   projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/OriginalAnnotatedElementMetaDataLoader.java
   projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/SecurityActions.java
   projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/SingletonAnnotatedElementMetaDataLoader.java
   projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/test/
   projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/test/CreateScopeKeyBenchmark.java
   projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/test/CreateUnmodifiableScopeKeyBenchmark.java
   projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/test/NoComponentMetaDataCachingMetaDataContextBenchmark.java
Modified:
   projects/jboss-mdr/trunk/src/main/java/org/jboss/metadata/plugins/loader/reflection/AnnotatedElementMetaDataLoader.java
   projects/jboss-mdr/trunk/src/main/java/org/jboss/metadata/spi/retrieval/MetaDataRetrievalToMetaDataBridge.java
Log:
[JBMDR-66] Make AnnotatedElementMetaDataLoader.getComponentMetaDataRetrieval() return null, and MetaDataRetrievalToMetaDataBridge.getComponentMetaData() return an empty singleton if there is no metadata

Modified: projects/jboss-mdr/trunk/src/main/java/org/jboss/metadata/plugins/loader/reflection/AnnotatedElementMetaDataLoader.java
===================================================================
--- projects/jboss-mdr/trunk/src/main/java/org/jboss/metadata/plugins/loader/reflection/AnnotatedElementMetaDataLoader.java	2010-02-18 15:17:05 UTC (rev 101116)
+++ projects/jboss-mdr/trunk/src/main/java/org/jboss/metadata/plugins/loader/reflection/AnnotatedElementMetaDataLoader.java	2010-02-18 16:00:28 UTC (rev 101117)
@@ -42,6 +42,8 @@
 import org.jboss.metadata.spi.retrieval.basic.BasicMetaDatasItem;
 import org.jboss.metadata.spi.retrieval.simple.SimpleAnnotationItem;
 import org.jboss.metadata.spi.retrieval.simple.SimpleAnnotationsItem;
+import org.jboss.metadata.spi.retrieval.simple.SimpleMetaDataItem;
+import org.jboss.metadata.spi.retrieval.simple.SimpleMetaDatasItem;
 import org.jboss.metadata.spi.scope.CommonLevels;
 import org.jboss.metadata.spi.scope.Scope;
 import org.jboss.metadata.spi.scope.ScopeKey;
@@ -54,6 +56,7 @@
 import org.jboss.metadata.spi.signature.MethodParametersSignature;
 import org.jboss.metadata.spi.signature.MethodSignature;
 import org.jboss.metadata.spi.signature.Signature;
+import org.jboss.test.metadata.benchmark.support.NullAnnotatedElementMetaDataLoader;
 import org.jboss.util.JBossStringBuilder;
 import org.jboss.util.Strings;
 
@@ -146,8 +149,8 @@
                return null;
             }
             if (constructor.getAnnotations().length == 0)
-               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
-            return new AnnotatedElementMetaDataLoader(constructor);
+               return null;
+            return new NullAnnotatedElementMetaDataLoader(constructor);
          }
          else if (signature instanceof MethodSignature)
          {
@@ -162,8 +165,8 @@
                return null;
             }
             if (method.getAnnotations().length == 0)
-               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
-            return new AnnotatedElementMetaDataLoader(method);
+               return null;
+            return new NullAnnotatedElementMetaDataLoader(method);
          }
          else if (signature instanceof DeclaredMethodSignature)
          {
@@ -186,8 +189,8 @@
                }
             }
             if (method.getAnnotations().length == 0)
-               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
-            return new AnnotatedElementMetaDataLoader(method);
+               return null;
+            return new NullAnnotatedElementMetaDataLoader(method);
          }
          else if (signature instanceof MethodParametersSignature)
          {
@@ -203,7 +206,7 @@
             }
             Annotation[][] paramAnnotations = method.getParameterAnnotations();
             if (paramAnnotations[methodParametersSignature.getParam()].length == 0)
-               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
+               return null;
             return new SimpleMetaDataLoader(paramAnnotations[methodParametersSignature.getParam()]);
          }
          else if (signature instanceof ConstructorParametersSignature)
@@ -220,7 +223,7 @@
             }
             Annotation[][] paramAnnotations = constructor.getParameterAnnotations();
             if (paramAnnotations[constructorParametersSignature.getParam()].length == 0)
-               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
+               return null;
             return new SimpleMetaDataLoader(paramAnnotations[constructorParametersSignature.getParam()]);
          }
          else if (signature instanceof FieldSignature)
@@ -236,8 +239,8 @@
                return null;
             }
             if (field.getAnnotations().length == 0)
-               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
-            return new AnnotatedElementMetaDataLoader(field);
+               return null;
+            return new NullAnnotatedElementMetaDataLoader(field);
          }
       }
 
@@ -249,7 +252,7 @@
             Annotation[][] paramAnnotations = method.getParameterAnnotations();
             MethodParametersSignature sig = (MethodParametersSignature) signature;
             if (paramAnnotations[sig.getParam()].length == 0)
-               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
+               return null;
             return new SimpleMetaDataLoader(paramAnnotations[sig.getParam()]);
          }
       }
@@ -262,7 +265,7 @@
             Annotation[][] paramAnnotations = constructor.getParameterAnnotations();
             ConstructorParametersSignature sig = (ConstructorParametersSignature) signature;
             if (paramAnnotations[sig.getParam()].length == 0)
-               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
+               return null;
             return new SimpleMetaDataLoader(paramAnnotations[sig.getParam()]);
          }
       }
@@ -304,86 +307,4 @@
       }
       return null;
    }
-   
-   /**
-    * http://community.jboss.org/thread/148203
-    * Singleton be returned by AnnotatedElementMetaDataLoader.getComponentMetaDataRetrieval() when there are no annotations for the member. This is to avoid
-    * the overhead of creating a new AnnotatedElementMetaDataLoader even in those cases, something which shows up to be a big bottleneck in AS startup time,
-    * mainly due to the creation of AnnotatedElementMetaDataLoader's ScopeKey.    
-    */
-   private static class NullAnnotatedElementComponentMetaDataLoader implements MetaDataRetrieval
-   {
-      final static NullAnnotatedElementComponentMetaDataLoader INSTANCE = new NullAnnotatedElementComponentMetaDataLoader();
-      final static ScopeKey nullScopeKey = new ScopeKey(new Scope(CommonLevels.JOINPOINT, INSTANCE));
-      
-      final BasicAnnotationsItem noANnnotationsItem = new BasicAnnotationsItem(null, new AnnotationItem[0]);
-      final BasicMetaDatasItem noMetaDatasItem = new BasicMetaDatasItem(null, new MetaDataItem[0]);
-      final ValidTime validTime = new ValidTime();
-      
-      public MetaDataRetrieval getComponentMetaDataRetrieval(Signature signature)
-      {
-         return INSTANCE;
-      }
-
-      public ScopeKey getScope()
-      {
-         return nullScopeKey;
-      }
-
-      public MetaDataRetrieval getScopedRetrieval(ScopeLevel level)
-      {
-         return INSTANCE;
-      }
-
-      public ValidTime getValidTime()
-      {
-         return validTime;
-      }
-
-      public boolean isEmpty()
-      {
-         return true;
-      }
-
-      public <T extends Annotation> AnnotationItem<T> retrieveAnnotation(Class<T> annotationType)
-      {
-         return null;
-      }
-
-      public AnnotationsItem retrieveAnnotations()
-      {
-         return noANnnotationsItem;
-      }
-
-      public AnnotationsItem retrieveAnnotationsAnnotatedWith(Class<? extends Annotation> meta)
-      {
-         return noANnnotationsItem;
-      }
-
-      public AnnotationsItem retrieveLocalAnnotations()
-      {
-         return noANnnotationsItem;
-      }
-
-      public MetaDatasItem retrieveLocalMetaData()
-      {
-         return noMetaDatasItem;
-      }
-
-      public MetaDatasItem retrieveMetaData()
-      {
-         return noMetaDatasItem;
-      }
-
-      public <T> MetaDataItem<T> retrieveMetaData(Class<T> type)
-      {
-         return null;
-      }
-
-      public MetaDataItem<?> retrieveMetaData(String name)
-      {
-         return null;
-      }
-      
-   }
 }

Modified: projects/jboss-mdr/trunk/src/main/java/org/jboss/metadata/spi/retrieval/MetaDataRetrievalToMetaDataBridge.java
===================================================================
--- projects/jboss-mdr/trunk/src/main/java/org/jboss/metadata/spi/retrieval/MetaDataRetrievalToMetaDataBridge.java	2010-02-18 15:17:05 UTC (rev 101116)
+++ projects/jboss-mdr/trunk/src/main/java/org/jboss/metadata/spi/retrieval/MetaDataRetrievalToMetaDataBridge.java	2010-02-18 16:00:28 UTC (rev 101117)
@@ -167,7 +167,7 @@
    {
       MetaDataRetrieval component = retrieval.getComponentMetaDataRetrieval(signature);
       if (component == null)
-         return null;
+         return NullComponentMetaData.INSTANCE;
       return new MetaDataRetrievalToMetaDataBridge(component);
    }
 
@@ -218,4 +218,95 @@
    {
       return retrieval;
    }
+   
+   private static class NullComponentMetaData implements MetaData
+   {
+      final static NullComponentMetaData INSTANCE = new NullComponentMetaData();
+
+      public <T extends Annotation> T getAnnotation(Class<T> annotationType)
+      {
+         return null;
+      }
+
+      public Annotation[] getAnnotations()
+      {
+         return MetaData.NO_ANNOTATIONS;
+      }
+
+      public Annotation[] getAnnotationsAnnotatedWith(Class<? extends Annotation> meta)
+      {
+         return MetaData.NO_ANNOTATIONS;
+      }
+
+      public MetaData getComponentMetaData(Signature signature)
+      {
+         return null;
+      }
+
+      public Annotation[] getLocalAnnotations()
+      {
+         return MetaData.NO_ANNOTATIONS;
+      }
+
+      public Object[] getLocalMetaData()
+      {
+         return MetaData.NO_METADATA;
+      }
+
+      public <T> T getMetaData(Class<T> type)
+      {
+         return null;
+      }
+
+      public Object[] getMetaData()
+      {
+         return MetaData.NO_METADATA;
+      }
+
+      public Object getMetaData(String name)
+      {
+         return null;
+      }
+
+      public <T> T getMetaData(String name, Class<T> type)
+      {
+         return null;
+      }
+
+      public MetaData getScopeMetaData(ScopeLevel level)
+      {
+         return null;
+      }
+
+      public long getValidTime()
+      {
+         return 0;
+      }
+
+      public boolean isAnnotationPresent(Class<? extends Annotation> annotationType)
+      {
+         return false;
+      }
+
+      public boolean isEmpty()
+      {
+         return true;
+      }
+
+      public boolean isMetaDataPresent(Class<?> type)
+      {
+         return false;
+      }
+
+      public boolean isMetaDataPresent(String name)
+      {
+         return false;
+      }
+
+      public boolean isMetaDataPresent(String name, Class<?> type)
+      {
+         return false;
+      }
+      
+   }
 }

Added: projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation1.java
===================================================================
--- projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation1.java	                        (rev 0)
+++ projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation1.java	2010-02-18 16:00:28 UTC (rev 101117)
@@ -0,0 +1,40 @@
+/*
+* JBoss, Home of Professional Open Source.
+* Copyright 2006, Red Hat Middleware LLC, and individual contributors
+* as indicated by the @author tags. See the copyright.txt file in the
+* distribution for a full listing of individual contributors. 
+*
+* This is free software; you can redistribute it and/or modify it
+* under the terms of the GNU Lesser General Public License as
+* published by the Free Software Foundation; either version 2.1 of
+* the License, or (at your option) any later version.
+*
+* This software is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this software; if not, write to the Free
+* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+*/ 
+package org.jboss.test.metadata.benchmark.support;
+
+/**
+ * 
+ * @author <a href="kabir.khan at jboss.com">Kabir Khan</a>
+ * @version $Revision: 1.1 $
+ */
+public class ClassNoMethodAnnotation1
+{
+   public void method1(){}
+   public void method2(){}
+   public void method3(){}
+   public void method4(){}
+   public void method5(){}
+   public void method6(){}
+   public void method7(){}
+   public void method8(){}
+   public void method9(){}
+}

Added: projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation2.java
===================================================================
--- projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation2.java	                        (rev 0)
+++ projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation2.java	2010-02-18 16:00:28 UTC (rev 101117)
@@ -0,0 +1,40 @@
+/*
+* JBoss, Home of Professional Open Source.
+* Copyright 2006, Red Hat Middleware LLC, and individual contributors
+* as indicated by the @author tags. See the copyright.txt file in the
+* distribution for a full listing of individual contributors. 
+*
+* This is free software; you can redistribute it and/or modify it
+* under the terms of the GNU Lesser General Public License as
+* published by the Free Software Foundation; either version 2.1 of
+* the License, or (at your option) any later version.
+*
+* This software is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this software; if not, write to the Free
+* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+*/ 
+package org.jboss.test.metadata.benchmark.support;
+
+/**
+ * 
+ * @author <a href="kabir.khan at jboss.com">Kabir Khan</a>
+ * @version $Revision: 1.1 $
+ */
+public class ClassNoMethodAnnotation2
+{
+   public void method1(){}
+   public void method2(){}
+   public void method3(){}
+   public void method4(){}
+   public void method5(){}
+   public void method6(){}
+   public void method7(){}
+   public void method8(){}
+   public void method9(){}
+}

Added: projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation3.java
===================================================================
--- projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation3.java	                        (rev 0)
+++ projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation3.java	2010-02-18 16:00:28 UTC (rev 101117)
@@ -0,0 +1,40 @@
+/*
+* JBoss, Home of Professional Open Source.
+* Copyright 2006, Red Hat Middleware LLC, and individual contributors
+* as indicated by the @author tags. See the copyright.txt file in the
+* distribution for a full listing of individual contributors. 
+*
+* This is free software; you can redistribute it and/or modify it
+* under the terms of the GNU Lesser General Public License as
+* published by the Free Software Foundation; either version 2.1 of
+* the License, or (at your option) any later version.
+*
+* This software is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this software; if not, write to the Free
+* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+*/ 
+package org.jboss.test.metadata.benchmark.support;
+
+/**
+ * 
+ * @author <a href="kabir.khan at jboss.com">Kabir Khan</a>
+ * @version $Revision: 1.1 $
+ */
+public class ClassNoMethodAnnotation3
+{
+   public void method1(){}
+   public void method2(){}
+   public void method3(){}
+   public void method4(){}
+   public void method5(){}
+   public void method6(){}
+   public void method7(){}
+   public void method8(){}
+   public void method9(){}
+}

Added: projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation4.java
===================================================================
--- projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation4.java	                        (rev 0)
+++ projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation4.java	2010-02-18 16:00:28 UTC (rev 101117)
@@ -0,0 +1,40 @@
+/*
+* JBoss, Home of Professional Open Source.
+* Copyright 2006, Red Hat Middleware LLC, and individual contributors
+* as indicated by the @author tags. See the copyright.txt file in the
+* distribution for a full listing of individual contributors. 
+*
+* This is free software; you can redistribute it and/or modify it
+* under the terms of the GNU Lesser General Public License as
+* published by the Free Software Foundation; either version 2.1 of
+* the License, or (at your option) any later version.
+*
+* This software is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this software; if not, write to the Free
+* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+*/ 
+package org.jboss.test.metadata.benchmark.support;
+
+/**
+ * 
+ * @author <a href="kabir.khan at jboss.com">Kabir Khan</a>
+ * @version $Revision: 1.1 $
+ */
+public class ClassNoMethodAnnotation4
+{
+   public void method1(){}
+   public void method2(){}
+   public void method3(){}
+   public void method4(){}
+   public void method5(){}
+   public void method6(){}
+   public void method7(){}
+   public void method8(){}
+   public void method9(){}
+}

Added: projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation5.java
===================================================================
--- projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation5.java	                        (rev 0)
+++ projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/ClassNoMethodAnnotation5.java	2010-02-18 16:00:28 UTC (rev 101117)
@@ -0,0 +1,40 @@
+/*
+* JBoss, Home of Professional Open Source.
+* Copyright 2006, Red Hat Middleware LLC, and individual contributors
+* as indicated by the @author tags. See the copyright.txt file in the
+* distribution for a full listing of individual contributors. 
+*
+* This is free software; you can redistribute it and/or modify it
+* under the terms of the GNU Lesser General Public License as
+* published by the Free Software Foundation; either version 2.1 of
+* the License, or (at your option) any later version.
+*
+* This software is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this software; if not, write to the Free
+* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+*/ 
+package org.jboss.test.metadata.benchmark.support;
+
+/**
+ * 
+ * @author <a href="kabir.khan at jboss.com">Kabir Khan</a>
+ * @version $Revision: 1.1 $
+ */
+public class ClassNoMethodAnnotation5
+{
+   public void method1(){}
+   public void method2(){}
+   public void method3(){}
+   public void method4(){}
+   public void method5(){}
+   public void method6(){}
+   public void method7(){}
+   public void method8(){}
+   public void method9(){}
+}

Added: projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/NullAnnotatedElementMetaDataLoader.java
===================================================================
--- projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/NullAnnotatedElementMetaDataLoader.java	                        (rev 0)
+++ projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/NullAnnotatedElementMetaDataLoader.java	2010-02-18 16:00:28 UTC (rev 101117)
@@ -0,0 +1,388 @@
+/*
+* JBoss, Home of Professional Open Source
+* Copyright 2006, JBoss Inc., and individual contributors as indicated
+* by the @authors tag. See the copyright.txt in the distribution for a
+* full listing of individual contributors.
+*
+* This is free software; you can redistribute it and/or modify it
+* under the terms of the GNU Lesser General Public License as
+* published by the Free Software Foundation; either version 2.1 of
+* the License, or (at your option) any later version.
+*
+* This software is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this software; if not, write to the Free
+* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+*/
+package org.jboss.test.metadata.benchmark.support;
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.AnnotatedElement;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Member;
+import java.lang.reflect.Method;
+
+import org.jboss.logging.Logger;
+import org.jboss.metadata.plugins.loader.BasicMetaDataLoader;
+import org.jboss.metadata.plugins.loader.SimpleMetaDataLoader;
+import org.jboss.metadata.spi.retrieval.AnnotationItem;
+import org.jboss.metadata.spi.retrieval.AnnotationsItem;
+import org.jboss.metadata.spi.retrieval.MetaDataItem;
+import org.jboss.metadata.spi.retrieval.MetaDataRetrieval;
+import org.jboss.metadata.spi.retrieval.MetaDatasItem;
+import org.jboss.metadata.spi.retrieval.ValidTime;
+import org.jboss.metadata.spi.retrieval.basic.BasicAnnotationsItem;
+import org.jboss.metadata.spi.retrieval.basic.BasicMetaDatasItem;
+import org.jboss.metadata.spi.retrieval.simple.SimpleAnnotationItem;
+import org.jboss.metadata.spi.retrieval.simple.SimpleAnnotationsItem;
+import org.jboss.metadata.spi.scope.CommonLevels;
+import org.jboss.metadata.spi.scope.Scope;
+import org.jboss.metadata.spi.scope.ScopeKey;
+import org.jboss.metadata.spi.scope.ScopeLevel;
+import org.jboss.metadata.spi.scope.UnmodifiableScopeKey;
+import org.jboss.metadata.spi.signature.ConstructorParametersSignature;
+import org.jboss.metadata.spi.signature.ConstructorSignature;
+import org.jboss.metadata.spi.signature.DeclaredMethodSignature;
+import org.jboss.metadata.spi.signature.FieldSignature;
+import org.jboss.metadata.spi.signature.MethodParametersSignature;
+import org.jboss.metadata.spi.signature.MethodSignature;
+import org.jboss.metadata.spi.signature.Signature;
+import org.jboss.util.JBossStringBuilder;
+import org.jboss.util.Strings;
+
+/**
+ * AnnotatedElementMetaDataLoader.
+ * 
+ * @author <a href="adrian at jboss.com">Adrian Brock</a>
+ * @version $Revision: 101076 $
+ */
+public class NullAnnotatedElementMetaDataLoader extends BasicMetaDataLoader 
+{
+   /** The log */
+   private static final Logger log = Logger.getLogger(NullAnnotatedElementMetaDataLoader.class);
+   
+   /** The annotated element */
+   private AnnotatedElement annotated;
+   
+   private static final ScopeKey getScopeKey(AnnotatedElement annotated)
+   {
+      Scope scope;
+      if (annotated instanceof Class)
+      {
+         Class<?> clazz = Class.class.cast(annotated);
+         scope = new Scope(CommonLevels.CLASS, clazz);
+      }
+      else if (annotated instanceof Member)
+      {
+         Member member = (Member) annotated;
+         scope = new Scope(CommonLevels.JOINPOINT, member);
+      }
+      else
+      {
+         return ScopeKey.DEFAULT_SCOPE;
+      }
+      return new UnmodifiableScopeKey(scope);
+   }
+   
+   /**
+    * Create a new AnnotatedElementMetaDataContext.
+    * 
+    * @param annotated the annotated element
+    */
+   public NullAnnotatedElementMetaDataLoader(AnnotatedElement annotated)
+   {
+      super(getScopeKey(annotated));
+      if (annotated == null)
+         throw new IllegalArgumentException("Null annotated element");
+      this.annotated = annotated;
+   }
+
+   @SuppressWarnings("unchecked")
+   public AnnotationsItem retrieveAnnotations()
+   {
+      Annotation[] annotations = annotated.getAnnotations();
+      if (annotations.length == 0)
+         return SimpleAnnotationsItem.NO_ANNOTATIONS;
+      
+      AnnotationItem[] items = new AnnotationItem[annotations.length];
+      for (int i = 0; i < items.length; ++i)
+         items[i] = new SimpleAnnotationItem(annotations[i]);
+      return new SimpleAnnotationsItem(items);
+   }
+   
+   public <T extends Annotation> AnnotationItem<T> retrieveAnnotation(Class<T> annotationType)
+   {
+      T annotation = annotated.getAnnotation(annotationType);
+      if (annotation == null)
+         return null;
+      return new SimpleAnnotationItem<T>(annotation);
+   }
+
+   public MetaDataRetrieval getComponentMetaDataRetrieval(Signature signature)
+   {
+      if (signature == null)
+         return null;
+
+      if (annotated instanceof Class)
+      {
+         Class<?> clazz = Class.class.cast(annotated);
+         if (signature instanceof ConstructorSignature)
+         {
+            ConstructorSignature constructorSignature = (ConstructorSignature) signature;
+            Constructor<?> constructor = constructorSignature.getConstructor();
+            if (constructor == null)
+               constructor = SecurityActions.findConstructor(clazz, signature.getParametersTypes(clazz));
+            if (constructor == null)
+            {
+               if (log.isTraceEnabled())
+                  log.trace("Constructor with signature " + signature + " does not exist on class " + clazz.getName());
+               return null;
+            }
+            if (constructor.getAnnotations().length == 0)
+               return null;
+            return new NullAnnotatedElementMetaDataLoader(constructor);
+         }
+         else if (signature instanceof MethodSignature)
+         {
+            MethodSignature methodSignature = (MethodSignature) signature;
+            Method method = methodSignature.getMethod();
+            if (method == null)
+               method = SecurityActions.findMethod(clazz, signature.getName(), signature.getParametersTypes(clazz));
+            if (method == null)
+            {
+               if (log.isTraceEnabled())
+                  log.trace("Method with signature " + signature + " does not exist on class " + clazz.getName());
+               return null;
+            }
+            if (method.getAnnotations().length == 0)
+               return null;
+            return new NullAnnotatedElementMetaDataLoader(method);
+         }
+         else if (signature instanceof DeclaredMethodSignature)
+         {
+            DeclaredMethodSignature methodSignature = (DeclaredMethodSignature) signature;
+            Method method = methodSignature.getMethod();
+            if (method == null)
+            {
+               clazz = getDeclaringClass(clazz, methodSignature.getDeclaringClass());
+               if (clazz == null)
+                  return null;
+               try
+               {
+                  method = SecurityActions.findDeclaredMethod(clazz, signature.getName(), signature.getParametersTypes(clazz));
+               }
+               catch (NoSuchMethodException nsme)
+               {
+                  if (log.isTraceEnabled())
+                     log.trace("Method with signature " + signature + " does not exist on class " + clazz.getName());
+                  return null;     
+               }
+            }
+            if (method.getAnnotations().length == 0)
+               return null;
+            return new NullAnnotatedElementMetaDataLoader(method);
+         }
+         else if (signature instanceof MethodParametersSignature)
+         {
+            MethodParametersSignature methodParametersSignature = (MethodParametersSignature) signature;
+            Method method = methodParametersSignature.getMethod();
+            if (method == null)
+               method = SecurityActions.findMethod(clazz, signature.getName(), signature.getParametersTypes(clazz));
+            if (method == null)
+            {
+               if (log.isTraceEnabled())
+                  log.trace("Method with signature " + signature + " does not exist on class " + clazz.getName());
+               return null;
+            }
+            Annotation[][] paramAnnotations = method.getParameterAnnotations();
+            if (paramAnnotations[methodParametersSignature.getParam()].length == 0)
+               return null;
+            return new SimpleMetaDataLoader(paramAnnotations[methodParametersSignature.getParam()]);
+         }
+         else if (signature instanceof ConstructorParametersSignature)
+         {
+            ConstructorParametersSignature constructorParametersSignature = (ConstructorParametersSignature) signature;
+            Constructor<?> constructor = constructorParametersSignature.getConstructor();
+            if (constructor == null)
+               constructor = SecurityActions.findConstructor(clazz, signature.getParametersTypes(clazz));
+            if (constructor == null)
+            {
+               if (log.isTraceEnabled())
+                  log.trace("Constructor with signature " + signature + " does not exist on class " + clazz.getName());
+               return null;
+            }
+            Annotation[][] paramAnnotations = constructor.getParameterAnnotations();
+            if (paramAnnotations[constructorParametersSignature.getParam()].length == 0)
+               return null;
+            return new SimpleMetaDataLoader(paramAnnotations[constructorParametersSignature.getParam()]);
+         }
+         else if (signature instanceof FieldSignature)
+         {
+            FieldSignature fieldSignature = (FieldSignature) signature;
+            Field field = fieldSignature.getField();
+            if (field == null)
+               field = SecurityActions.findField(clazz, signature.getName());
+            if (field == null)
+            {
+               if (log.isTraceEnabled())
+                  log.trace("Field " + signature.getName() + " does not exist on class " + clazz.getName());
+               return null;
+            }
+            if (field.getAnnotations().length == 0)
+               return null;
+            return new NullAnnotatedElementMetaDataLoader(field);
+         }
+      }
+
+      if (annotated instanceof Method)
+      {
+         if (signature instanceof MethodParametersSignature)
+         {
+            Method method = (Method)annotated;
+            Annotation[][] paramAnnotations = method.getParameterAnnotations();
+            MethodParametersSignature sig = (MethodParametersSignature) signature;
+            if (paramAnnotations[sig.getParam()].length == 0)
+               return null;
+            return new SimpleMetaDataLoader(paramAnnotations[sig.getParam()]);
+         }
+      }
+
+      if (annotated instanceof Constructor)
+      {
+         if (signature instanceof ConstructorParametersSignature)
+         {
+            Constructor<?> constructor = Constructor.class.cast(annotated);
+            Annotation[][] paramAnnotations = constructor.getParameterAnnotations();
+            ConstructorParametersSignature sig = (ConstructorParametersSignature) signature;
+            if (paramAnnotations[sig.getParam()].length == 0)
+               return null;
+            return new SimpleMetaDataLoader(paramAnnotations[sig.getParam()]);
+         }
+      }
+
+      return null;
+   }
+
+   public boolean isEmpty()
+   {
+      Annotation[] annotations = annotated.getAnnotations();
+      return annotations == null || annotations.length == 0;
+   }
+
+   public String toString()
+   {
+      JBossStringBuilder buffer = new JBossStringBuilder();
+      Strings.defaultToString(buffer, this);
+      buffer.append("[");
+      buffer.append(annotated);
+      buffer.append("]");
+      return buffer.toString();
+   }
+
+   /**
+    * Get the declaring class from the reference class
+    * 
+    * @param reference the reference class
+    * @param declaringClass the declaring class
+    * @return the class or null if the declaring class is not a super class of the reference
+    */
+   private static Class<?> getDeclaringClass(Class<?> reference, String declaringClass)
+   {
+      while (reference != null)
+      {
+         if (declaringClass.equals(reference.getName()))
+            return reference;
+         
+         reference = reference.getSuperclass();
+      }
+      return null;
+   }
+   
+   /**
+    * http://community.jboss.org/thread/148203
+    * Singleton be returned by AnnotatedElementMetaDataLoader.getComponentMetaDataRetrieval() when there are no annotations for the member. This is to avoid
+    * the overhead of creating a new AnnotatedElementMetaDataLoader even in those cases, something which shows up to be a big bottleneck in AS startup time,
+    * mainly due to the creation of AnnotatedElementMetaDataLoader's ScopeKey.    
+    */
+   private static class NullAnnotatedElementComponentMetaDataLoader implements MetaDataRetrieval
+   {
+      final static NullAnnotatedElementComponentMetaDataLoader INSTANCE = new NullAnnotatedElementComponentMetaDataLoader();
+      final static ScopeKey nullScopeKey = new ScopeKey(new Scope(CommonLevels.JOINPOINT, INSTANCE));
+      
+      final BasicAnnotationsItem noANnnotationsItem = new BasicAnnotationsItem(null, new AnnotationItem[0]);
+      final BasicMetaDatasItem noMetaDatasItem = new BasicMetaDatasItem(null, new MetaDataItem[0]);
+      final ValidTime validTime = new ValidTime();
+      
+      public MetaDataRetrieval getComponentMetaDataRetrieval(Signature signature)
+      {
+         return INSTANCE;
+      }
+
+      public ScopeKey getScope()
+      {
+         return nullScopeKey;
+      }
+
+      public MetaDataRetrieval getScopedRetrieval(ScopeLevel level)
+      {
+         return INSTANCE;
+      }
+
+      public ValidTime getValidTime()
+      {
+         return validTime;
+      }
+
+      public boolean isEmpty()
+      {
+         return true;
+      }
+
+      public <T extends Annotation> AnnotationItem<T> retrieveAnnotation(Class<T> annotationType)
+      {
+         return null;
+      }
+
+      public AnnotationsItem retrieveAnnotations()
+      {
+         return noANnnotationsItem;
+      }
+
+      public AnnotationsItem retrieveAnnotationsAnnotatedWith(Class<? extends Annotation> meta)
+      {
+         return noANnnotationsItem;
+      }
+
+      public AnnotationsItem retrieveLocalAnnotations()
+      {
+         return noANnnotationsItem;
+      }
+
+      public MetaDatasItem retrieveLocalMetaData()
+      {
+         return noMetaDatasItem;
+      }
+
+      public MetaDatasItem retrieveMetaData()
+      {
+         return noMetaDatasItem;
+      }
+
+      public <T> MetaDataItem<T> retrieveMetaData(Class<T> type)
+      {
+         return null;
+      }
+
+      public MetaDataItem<?> retrieveMetaData(String name)
+      {
+         return null;
+      }
+      
+   }
+}

Added: projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/OriginalAnnotatedElementMetaDataLoader.java
===================================================================
--- projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/OriginalAnnotatedElementMetaDataLoader.java	                        (rev 0)
+++ projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/OriginalAnnotatedElementMetaDataLoader.java	2010-02-18 16:00:28 UTC (rev 101117)
@@ -0,0 +1,372 @@
+/*
+* JBoss, Home of Professional Open Source
+* Copyright 2006, JBoss Inc., and individual contributors as indicated
+* by the @authors tag. See the copyright.txt in the distribution for a
+* full listing of individual contributors.
+*
+* This is free software; you can redistribute it and/or modify it
+* under the terms of the GNU Lesser General Public License as
+* published by the Free Software Foundation; either version 2.1 of
+* the License, or (at your option) any later version.
+*
+* This software is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this software; if not, write to the Free
+* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+*/
+package org.jboss.test.metadata.benchmark.support;
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.AnnotatedElement;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Member;
+import java.lang.reflect.Method;
+
+import org.jboss.logging.Logger;
+import org.jboss.metadata.plugins.loader.BasicMetaDataLoader;
+import org.jboss.metadata.plugins.loader.SimpleMetaDataLoader;
+import org.jboss.metadata.spi.retrieval.AnnotationItem;
+import org.jboss.metadata.spi.retrieval.AnnotationsItem;
+import org.jboss.metadata.spi.retrieval.MetaDataItem;
+import org.jboss.metadata.spi.retrieval.MetaDataRetrieval;
+import org.jboss.metadata.spi.retrieval.MetaDatasItem;
+import org.jboss.metadata.spi.retrieval.ValidTime;
+import org.jboss.metadata.spi.retrieval.basic.BasicAnnotationsItem;
+import org.jboss.metadata.spi.retrieval.basic.BasicMetaDatasItem;
+import org.jboss.metadata.spi.retrieval.simple.SimpleAnnotationItem;
+import org.jboss.metadata.spi.retrieval.simple.SimpleAnnotationsItem;
+import org.jboss.metadata.spi.scope.CommonLevels;
+import org.jboss.metadata.spi.scope.Scope;
+import org.jboss.metadata.spi.scope.ScopeKey;
+import org.jboss.metadata.spi.scope.ScopeLevel;
+import org.jboss.metadata.spi.scope.UnmodifiableScopeKey;
+import org.jboss.metadata.spi.signature.ConstructorParametersSignature;
+import org.jboss.metadata.spi.signature.ConstructorSignature;
+import org.jboss.metadata.spi.signature.DeclaredMethodSignature;
+import org.jboss.metadata.spi.signature.FieldSignature;
+import org.jboss.metadata.spi.signature.MethodParametersSignature;
+import org.jboss.metadata.spi.signature.MethodSignature;
+import org.jboss.metadata.spi.signature.Signature;
+import org.jboss.util.JBossStringBuilder;
+import org.jboss.util.Strings;
+
+/**
+ * AnnotatedElementMetaDataLoader.
+ * 
+ * @author <a href="adrian at jboss.com">Adrian Brock</a>
+ * @version $Revision: 101076 $
+ */
+public class OriginalAnnotatedElementMetaDataLoader extends BasicMetaDataLoader 
+{
+   /** The log */
+   private static final Logger log = Logger.getLogger(OriginalAnnotatedElementMetaDataLoader.class);
+   
+   /** The annotated element */
+   private AnnotatedElement annotated;
+   
+   private static final ScopeKey getScopeKey(AnnotatedElement annotated)
+   {
+      Scope scope;
+      if (annotated instanceof Class)
+      {
+         Class<?> clazz = Class.class.cast(annotated);
+         scope = new Scope(CommonLevels.CLASS, clazz);
+      }
+      else if (annotated instanceof Member)
+      {
+         Member member = (Member) annotated;
+         scope = new Scope(CommonLevels.JOINPOINT, member);
+      }
+      else
+      {
+         return ScopeKey.DEFAULT_SCOPE;
+      }
+      return new UnmodifiableScopeKey(scope);
+   }
+   
+   /**
+    * Create a new AnnotatedElementMetaDataContext.
+    * 
+    * @param annotated the annotated element
+    */
+   public OriginalAnnotatedElementMetaDataLoader(AnnotatedElement annotated)
+   {
+      super(getScopeKey(annotated));
+      if (annotated == null)
+         throw new IllegalArgumentException("Null annotated element");
+      this.annotated = annotated;
+   }
+
+   @SuppressWarnings("unchecked")
+   public AnnotationsItem retrieveAnnotations()
+   {
+      Annotation[] annotations = annotated.getAnnotations();
+      if (annotations.length == 0)
+         return SimpleAnnotationsItem.NO_ANNOTATIONS;
+      
+      AnnotationItem[] items = new AnnotationItem[annotations.length];
+      for (int i = 0; i < items.length; ++i)
+         items[i] = new SimpleAnnotationItem(annotations[i]);
+      return new SimpleAnnotationsItem(items);
+   }
+   
+   public <T extends Annotation> AnnotationItem<T> retrieveAnnotation(Class<T> annotationType)
+   {
+      T annotation = annotated.getAnnotation(annotationType);
+      if (annotation == null)
+         return null;
+      return new SimpleAnnotationItem<T>(annotation);
+   }
+
+   public MetaDataRetrieval getComponentMetaDataRetrieval(Signature signature)
+   {
+      if (signature == null)
+         return null;
+
+      if (annotated instanceof Class)
+      {
+         Class<?> clazz = Class.class.cast(annotated);
+         if (signature instanceof ConstructorSignature)
+         {
+            ConstructorSignature constructorSignature = (ConstructorSignature) signature;
+            Constructor<?> constructor = constructorSignature.getConstructor();
+            if (constructor == null)
+               constructor = SecurityActions.findConstructor(clazz, signature.getParametersTypes(clazz));
+            if (constructor == null)
+            {
+               if (log.isTraceEnabled())
+                  log.trace("Constructor with signature " + signature + " does not exist on class " + clazz.getName());
+               return null;
+            }
+            return new OriginalAnnotatedElementMetaDataLoader(constructor);
+         }
+         else if (signature instanceof MethodSignature)
+         {
+            MethodSignature methodSignature = (MethodSignature) signature;
+            Method method = methodSignature.getMethod();
+            if (method == null)
+               method = SecurityActions.findMethod(clazz, signature.getName(), signature.getParametersTypes(clazz));
+            if (method == null)
+            {
+               if (log.isTraceEnabled())
+                  log.trace("Method with signature " + signature + " does not exist on class " + clazz.getName());
+               return null;
+            }
+            return new OriginalAnnotatedElementMetaDataLoader(method);
+         }
+         else if (signature instanceof DeclaredMethodSignature)
+         {
+            DeclaredMethodSignature methodSignature = (DeclaredMethodSignature) signature;
+            Method method = methodSignature.getMethod();
+            if (method == null)
+            {
+               clazz = getDeclaringClass(clazz, methodSignature.getDeclaringClass());
+               if (clazz == null)
+                  return null;
+               try
+               {
+                  method = SecurityActions.findDeclaredMethod(clazz, signature.getName(), signature.getParametersTypes(clazz));
+               }
+               catch (NoSuchMethodException nsme)
+               {
+                  if (log.isTraceEnabled())
+                     log.trace("Method with signature " + signature + " does not exist on class " + clazz.getName());
+                  return null;     
+               }
+            }
+            return new OriginalAnnotatedElementMetaDataLoader(method);
+         }
+         else if (signature instanceof MethodParametersSignature)
+         {
+            MethodParametersSignature methodParametersSignature = (MethodParametersSignature) signature;
+            Method method = methodParametersSignature.getMethod();
+            if (method == null)
+               method = SecurityActions.findMethod(clazz, signature.getName(), signature.getParametersTypes(clazz));
+            if (method == null)
+            {
+               if (log.isTraceEnabled())
+                  log.trace("Method with signature " + signature + " does not exist on class " + clazz.getName());
+               return null;
+            }
+            Annotation[][] paramAnnotations = method.getParameterAnnotations();
+            return new SimpleMetaDataLoader(paramAnnotations[methodParametersSignature.getParam()]);
+         }
+         else if (signature instanceof ConstructorParametersSignature)
+         {
+            ConstructorParametersSignature constructorParametersSignature = (ConstructorParametersSignature) signature;
+            Constructor<?> constructor = constructorParametersSignature.getConstructor();
+            if (constructor == null)
+               constructor = SecurityActions.findConstructor(clazz, signature.getParametersTypes(clazz));
+            if (constructor == null)
+            {
+               if (log.isTraceEnabled())
+                  log.trace("Constructor with signature " + signature + " does not exist on class " + clazz.getName());
+               return null;
+            }
+            Annotation[][] paramAnnotations = constructor.getParameterAnnotations();
+            return new SimpleMetaDataLoader(paramAnnotations[constructorParametersSignature.getParam()]);
+         }
+         else if (signature instanceof FieldSignature)
+         {
+            FieldSignature fieldSignature = (FieldSignature) signature;
+            Field field = fieldSignature.getField();
+            if (field == null)
+               field = SecurityActions.findField(clazz, signature.getName());
+            if (field == null)
+            {
+               if (log.isTraceEnabled())
+                  log.trace("Field " + signature.getName() + " does not exist on class " + clazz.getName());
+               return null;
+            }
+            return new OriginalAnnotatedElementMetaDataLoader(field);
+         }
+      }
+
+      if (annotated instanceof Method)
+      {
+         if (signature instanceof MethodParametersSignature)
+         {
+            Method method = (Method)annotated;
+            Annotation[][] paramAnnotations = method.getParameterAnnotations();
+            MethodParametersSignature sig = (MethodParametersSignature) signature;
+            return new SimpleMetaDataLoader(paramAnnotations[sig.getParam()]);
+         }
+      }
+
+      if (annotated instanceof Constructor)
+      {
+         if (signature instanceof ConstructorParametersSignature)
+         {
+            Constructor<?> constructor = Constructor.class.cast(annotated);
+            Annotation[][] paramAnnotations = constructor.getParameterAnnotations();
+            ConstructorParametersSignature sig = (ConstructorParametersSignature) signature;
+            return new SimpleMetaDataLoader(paramAnnotations[sig.getParam()]);
+         }
+      }
+
+      return null;
+   }
+
+   public boolean isEmpty()
+   {
+      Annotation[] annotations = annotated.getAnnotations();
+      return annotations == null || annotations.length == 0;
+   }
+
+   public String toString()
+   {
+      JBossStringBuilder buffer = new JBossStringBuilder();
+      Strings.defaultToString(buffer, this);
+      buffer.append("[");
+      buffer.append(annotated);
+      buffer.append("]");
+      return buffer.toString();
+   }
+
+   /**
+    * Get the declaring class from the reference class
+    * 
+    * @param reference the reference class
+    * @param declaringClass the declaring class
+    * @return the class or null if the declaring class is not a super class of the reference
+    */
+   private static Class<?> getDeclaringClass(Class<?> reference, String declaringClass)
+   {
+      while (reference != null)
+      {
+         if (declaringClass.equals(reference.getName()))
+            return reference;
+         
+         reference = reference.getSuperclass();
+      }
+      return null;
+   }
+   
+   /**
+    * http://community.jboss.org/thread/148203
+    * Singleton be returned by AnnotatedElementMetaDataLoader.getComponentMetaDataRetrieval() when there are no annotations for the member. This is to avoid
+    * the overhead of creating a new AnnotatedElementMetaDataLoader even in those cases, something which shows up to be a big bottleneck in AS startup time,
+    * mainly due to the creation of AnnotatedElementMetaDataLoader's ScopeKey.    
+    */
+   private static class NullAnnotatedElementComponentMetaDataLoader implements MetaDataRetrieval
+   {
+      final static NullAnnotatedElementComponentMetaDataLoader INSTANCE = new NullAnnotatedElementComponentMetaDataLoader();
+      final static ScopeKey nullScopeKey = new ScopeKey(new Scope(CommonLevels.JOINPOINT, INSTANCE));
+      
+      final BasicAnnotationsItem noANnnotationsItem = new BasicAnnotationsItem(null, new AnnotationItem[0]);
+      final BasicMetaDatasItem noMetaDatasItem = new BasicMetaDatasItem(null, new MetaDataItem[0]);
+      final ValidTime validTime = new ValidTime();
+      
+      public MetaDataRetrieval getComponentMetaDataRetrieval(Signature signature)
+      {
+         return INSTANCE;
+      }
+
+      public ScopeKey getScope()
+      {
+         return nullScopeKey;
+      }
+
+      public MetaDataRetrieval getScopedRetrieval(ScopeLevel level)
+      {
+         return INSTANCE;
+      }
+
+      public ValidTime getValidTime()
+      {
+         return validTime;
+      }
+
+      public boolean isEmpty()
+      {
+         return true;
+      }
+
+      public <T extends Annotation> AnnotationItem<T> retrieveAnnotation(Class<T> annotationType)
+      {
+         return null;
+      }
+
+      public AnnotationsItem retrieveAnnotations()
+      {
+         return noANnnotationsItem;
+      }
+
+      public AnnotationsItem retrieveAnnotationsAnnotatedWith(Class<? extends Annotation> meta)
+      {
+         return noANnnotationsItem;
+      }
+
+      public AnnotationsItem retrieveLocalAnnotations()
+      {
+         return noANnnotationsItem;
+      }
+
+      public MetaDatasItem retrieveLocalMetaData()
+      {
+         return noMetaDatasItem;
+      }
+
+      public MetaDatasItem retrieveMetaData()
+      {
+         return noMetaDatasItem;
+      }
+
+      public <T> MetaDataItem<T> retrieveMetaData(Class<T> type)
+      {
+         return null;
+      }
+
+      public MetaDataItem<?> retrieveMetaData(String name)
+      {
+         return null;
+      }
+      
+   }
+}

Added: projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/SecurityActions.java
===================================================================
--- projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/SecurityActions.java	                        (rev 0)
+++ projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/SecurityActions.java	2010-02-18 16:00:28 UTC (rev 101117)
@@ -0,0 +1,141 @@
+/*
+* JBoss, Home of Professional Open Source
+* Copyright 2008, JBoss Inc., and individual contributors as indicated
+* by the @authors tag. See the copyright.txt in the distribution for a
+* full listing of individual contributors.
+*
+* This is free software; you can redistribute it and/or modify it
+* under the terms of the GNU Lesser General Public License as
+* published by the Free Software Foundation; either version 2.1 of
+* the License, or (at your option) any later version.
+*
+* This software is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this software; if not, write to the Free
+* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+*/
+package org.jboss.test.metadata.benchmark.support;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+
+import org.jboss.reflect.plugins.introspection.ReflectionUtils;
+
+/**
+ * SecurityActions.
+ * 
+ * @author <a href="adrian at jboss.com">Adrian Brock</a>
+ * @version $Revision: 1.1 $
+ */
+class SecurityActions
+{
+   /**
+    * Find the method by name and parameters.
+    *
+    * @param clazz the class to look for method
+    * @param name the name
+    * @param parameterTypes the types
+    * @return method or null if not found
+    */
+   static Method findMethod(final Class<?> clazz, final String name, final Class<?>... parameterTypes)
+   {
+      SecurityManager sm = System.getSecurityManager();
+      if (sm == null)
+         return ReflectionUtils.findMethod(clazz, name, parameterTypes);
+
+      return AccessController.doPrivileged(new PrivilegedAction<Method>()
+      {
+         public Method run()
+         {
+            return ReflectionUtils.findMethod(clazz, name, parameterTypes);
+         }
+      });
+   }
+
+   /**
+    * Find the field by name.
+    *
+    * @param clazz the class to look for field
+    * @param name the name
+    * @return field or null if not found
+    */
+   static Field findField(final Class<?> clazz, final String name)
+   {
+      SecurityManager sm = System.getSecurityManager();
+      if (sm == null)
+         return ReflectionUtils.findField(clazz, name);
+
+      return AccessController.doPrivileged(new PrivilegedAction<Field>()
+      {
+         public Field run()
+         {
+            return ReflectionUtils.findField(clazz, name);
+         }
+      });
+   }
+
+   /**
+    * Find the constructor by parameters.
+    *
+    * @param clazz the class to look for constructor
+    * @param parameterTypes the types
+    * @return constructor or null if not found
+    */
+   static Constructor<?> findConstructor(final Class<?> clazz, final Class<?>... parameterTypes)
+   {
+      SecurityManager sm = System.getSecurityManager();
+      if (sm == null)
+         return ReflectionUtils.findConstructor(clazz, parameterTypes);
+
+      return AccessController.doPrivileged(new PrivilegedAction<Constructor<?>>()
+      {
+         public Constructor<?> run()
+         {
+            return ReflectionUtils.findConstructor(clazz, parameterTypes);
+         }
+      });
+   }
+
+   /**
+    * Returns a method named <code>methodName</code> with params
+    * <code>parameterTypes</code> declared in the <code>declaringClass</code>.
+    * Methods with public, private, protected and package access are considered while 
+    * 
+    * @param declaringClass The Class declaring the method
+    * @param methodName The name of the method
+    * @param parameterTypes The parameters types accepted by the method
+    * @return found declared method
+    * @throws NoSuchMethodException If the method is not found in the <code>declaringClass</code>
+    */
+   static Method findDeclaredMethod(final Class<?> declaringClass, final String methodName, final Class<?>... parameterTypes) throws NoSuchMethodException
+   {
+      SecurityManager sm = System.getSecurityManager();
+      if (sm == null)
+         return declaringClass.getDeclaredMethod(methodName, parameterTypes);
+
+      try
+      {
+         return AccessController.doPrivileged(new PrivilegedExceptionAction<Method>()
+         {
+            public Method run() throws NoSuchMethodException
+            {
+               return declaringClass.getDeclaredMethod(methodName, parameterTypes);
+            }
+         });
+      }
+      catch (PrivilegedActionException pae)
+      {
+         throw (NoSuchMethodException) pae.getException();
+      }
+   }
+}

Added: projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/SingletonAnnotatedElementMetaDataLoader.java
===================================================================
--- projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/SingletonAnnotatedElementMetaDataLoader.java	                        (rev 0)
+++ projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/support/SingletonAnnotatedElementMetaDataLoader.java	2010-02-18 16:00:28 UTC (rev 101117)
@@ -0,0 +1,388 @@
+/*
+* JBoss, Home of Professional Open Source
+* Copyright 2006, JBoss Inc., and individual contributors as indicated
+* by the @authors tag. See the copyright.txt in the distribution for a
+* full listing of individual contributors.
+*
+* This is free software; you can redistribute it and/or modify it
+* under the terms of the GNU Lesser General Public License as
+* published by the Free Software Foundation; either version 2.1 of
+* the License, or (at your option) any later version.
+*
+* This software is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this software; if not, write to the Free
+* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+*/
+package org.jboss.test.metadata.benchmark.support;
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.AnnotatedElement;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Member;
+import java.lang.reflect.Method;
+
+import org.jboss.logging.Logger;
+import org.jboss.metadata.plugins.loader.BasicMetaDataLoader;
+import org.jboss.metadata.plugins.loader.SimpleMetaDataLoader;
+import org.jboss.metadata.spi.retrieval.AnnotationItem;
+import org.jboss.metadata.spi.retrieval.AnnotationsItem;
+import org.jboss.metadata.spi.retrieval.MetaDataItem;
+import org.jboss.metadata.spi.retrieval.MetaDataRetrieval;
+import org.jboss.metadata.spi.retrieval.MetaDatasItem;
+import org.jboss.metadata.spi.retrieval.ValidTime;
+import org.jboss.metadata.spi.retrieval.basic.BasicAnnotationsItem;
+import org.jboss.metadata.spi.retrieval.basic.BasicMetaDatasItem;
+import org.jboss.metadata.spi.retrieval.simple.SimpleAnnotationItem;
+import org.jboss.metadata.spi.retrieval.simple.SimpleAnnotationsItem;
+import org.jboss.metadata.spi.scope.CommonLevels;
+import org.jboss.metadata.spi.scope.Scope;
+import org.jboss.metadata.spi.scope.ScopeKey;
+import org.jboss.metadata.spi.scope.ScopeLevel;
+import org.jboss.metadata.spi.scope.UnmodifiableScopeKey;
+import org.jboss.metadata.spi.signature.ConstructorParametersSignature;
+import org.jboss.metadata.spi.signature.ConstructorSignature;
+import org.jboss.metadata.spi.signature.DeclaredMethodSignature;
+import org.jboss.metadata.spi.signature.FieldSignature;
+import org.jboss.metadata.spi.signature.MethodParametersSignature;
+import org.jboss.metadata.spi.signature.MethodSignature;
+import org.jboss.metadata.spi.signature.Signature;
+import org.jboss.util.JBossStringBuilder;
+import org.jboss.util.Strings;
+
+/**
+ * AnnotatedElementMetaDataLoader.
+ * 
+ * @author <a href="adrian at jboss.com">Adrian Brock</a>
+ * @version $Revision: 101076 $
+ */
+public class SingletonAnnotatedElementMetaDataLoader extends BasicMetaDataLoader 
+{
+   /** The log */
+   private static final Logger log = Logger.getLogger(SingletonAnnotatedElementMetaDataLoader.class);
+   
+   /** The annotated element */
+   private AnnotatedElement annotated;
+   
+   private static final ScopeKey getScopeKey(AnnotatedElement annotated)
+   {
+      Scope scope;
+      if (annotated instanceof Class)
+      {
+         Class<?> clazz = Class.class.cast(annotated);
+         scope = new Scope(CommonLevels.CLASS, clazz);
+      }
+      else if (annotated instanceof Member)
+      {
+         Member member = (Member) annotated;
+         scope = new Scope(CommonLevels.JOINPOINT, member);
+      }
+      else
+      {
+         return ScopeKey.DEFAULT_SCOPE;
+      }
+      return new UnmodifiableScopeKey(scope);
+   }
+   
+   /**
+    * Create a new AnnotatedElementMetaDataContext.
+    * 
+    * @param annotated the annotated element
+    */
+   public SingletonAnnotatedElementMetaDataLoader(AnnotatedElement annotated)
+   {
+      super(getScopeKey(annotated));
+      if (annotated == null)
+         throw new IllegalArgumentException("Null annotated element");
+      this.annotated = annotated;
+   }
+
+   @SuppressWarnings("unchecked")
+   public AnnotationsItem retrieveAnnotations()
+   {
+      Annotation[] annotations = annotated.getAnnotations();
+      if (annotations.length == 0)
+         return SimpleAnnotationsItem.NO_ANNOTATIONS;
+      
+      AnnotationItem[] items = new AnnotationItem[annotations.length];
+      for (int i = 0; i < items.length; ++i)
+         items[i] = new SimpleAnnotationItem(annotations[i]);
+      return new SimpleAnnotationsItem(items);
+   }
+   
+   public <T extends Annotation> AnnotationItem<T> retrieveAnnotation(Class<T> annotationType)
+   {
+      T annotation = annotated.getAnnotation(annotationType);
+      if (annotation == null)
+         return null;
+      return new SimpleAnnotationItem<T>(annotation);
+   }
+
+   public MetaDataRetrieval getComponentMetaDataRetrieval(Signature signature)
+   {
+      if (signature == null)
+         return null;
+
+      if (annotated instanceof Class)
+      {
+         Class<?> clazz = Class.class.cast(annotated);
+         if (signature instanceof ConstructorSignature)
+         {
+            ConstructorSignature constructorSignature = (ConstructorSignature) signature;
+            Constructor<?> constructor = constructorSignature.getConstructor();
+            if (constructor == null)
+               constructor = SecurityActions.findConstructor(clazz, signature.getParametersTypes(clazz));
+            if (constructor == null)
+            {
+               if (log.isTraceEnabled())
+                  log.trace("Constructor with signature " + signature + " does not exist on class " + clazz.getName());
+               return null;
+            }
+            if (constructor.getAnnotations().length == 0)
+               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
+            return new SingletonAnnotatedElementMetaDataLoader(constructor);
+         }
+         else if (signature instanceof MethodSignature)
+         {
+            MethodSignature methodSignature = (MethodSignature) signature;
+            Method method = methodSignature.getMethod();
+            if (method == null)
+               method = SecurityActions.findMethod(clazz, signature.getName(), signature.getParametersTypes(clazz));
+            if (method == null)
+            {
+               if (log.isTraceEnabled())
+                  log.trace("Method with signature " + signature + " does not exist on class " + clazz.getName());
+               return null;
+            }
+            if (method.getAnnotations().length == 0)
+               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
+            return new SingletonAnnotatedElementMetaDataLoader(method);
+         }
+         else if (signature instanceof DeclaredMethodSignature)
+         {
+            DeclaredMethodSignature methodSignature = (DeclaredMethodSignature) signature;
+            Method method = methodSignature.getMethod();
+            if (method == null)
+            {
+               clazz = getDeclaringClass(clazz, methodSignature.getDeclaringClass());
+               if (clazz == null)
+                  return null;
+               try
+               {
+                  method = SecurityActions.findDeclaredMethod(clazz, signature.getName(), signature.getParametersTypes(clazz));
+               }
+               catch (NoSuchMethodException nsme)
+               {
+                  if (log.isTraceEnabled())
+                     log.trace("Method with signature " + signature + " does not exist on class " + clazz.getName());
+                  return null;     
+               }
+            }
+            if (method.getAnnotations().length == 0)
+               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
+            return new SingletonAnnotatedElementMetaDataLoader(method);
+         }
+         else if (signature instanceof MethodParametersSignature)
+         {
+            MethodParametersSignature methodParametersSignature = (MethodParametersSignature) signature;
+            Method method = methodParametersSignature.getMethod();
+            if (method == null)
+               method = SecurityActions.findMethod(clazz, signature.getName(), signature.getParametersTypes(clazz));
+            if (method == null)
+            {
+               if (log.isTraceEnabled())
+                  log.trace("Method with signature " + signature + " does not exist on class " + clazz.getName());
+               return null;
+            }
+            Annotation[][] paramAnnotations = method.getParameterAnnotations();
+            if (paramAnnotations[methodParametersSignature.getParam()].length == 0)
+               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
+            return new SimpleMetaDataLoader(paramAnnotations[methodParametersSignature.getParam()]);
+         }
+         else if (signature instanceof ConstructorParametersSignature)
+         {
+            ConstructorParametersSignature constructorParametersSignature = (ConstructorParametersSignature) signature;
+            Constructor<?> constructor = constructorParametersSignature.getConstructor();
+            if (constructor == null)
+               constructor = SecurityActions.findConstructor(clazz, signature.getParametersTypes(clazz));
+            if (constructor == null)
+            {
+               if (log.isTraceEnabled())
+                  log.trace("Constructor with signature " + signature + " does not exist on class " + clazz.getName());
+               return null;
+            }
+            Annotation[][] paramAnnotations = constructor.getParameterAnnotations();
+            if (paramAnnotations[constructorParametersSignature.getParam()].length == 0)
+               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
+            return new SimpleMetaDataLoader(paramAnnotations[constructorParametersSignature.getParam()]);
+         }
+         else if (signature instanceof FieldSignature)
+         {
+            FieldSignature fieldSignature = (FieldSignature) signature;
+            Field field = fieldSignature.getField();
+            if (field == null)
+               field = SecurityActions.findField(clazz, signature.getName());
+            if (field == null)
+            {
+               if (log.isTraceEnabled())
+                  log.trace("Field " + signature.getName() + " does not exist on class " + clazz.getName());
+               return null;
+            }
+            if (field.getAnnotations().length == 0)
+               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
+            return new SingletonAnnotatedElementMetaDataLoader(field);
+         }
+      }
+
+      if (annotated instanceof Method)
+      {
+         if (signature instanceof MethodParametersSignature)
+         {
+            Method method = (Method)annotated;
+            Annotation[][] paramAnnotations = method.getParameterAnnotations();
+            MethodParametersSignature sig = (MethodParametersSignature) signature;
+            if (paramAnnotations[sig.getParam()].length == 0)
+               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
+            return new SimpleMetaDataLoader(paramAnnotations[sig.getParam()]);
+         }
+      }
+
+      if (annotated instanceof Constructor)
+      {
+         if (signature instanceof ConstructorParametersSignature)
+         {
+            Constructor<?> constructor = Constructor.class.cast(annotated);
+            Annotation[][] paramAnnotations = constructor.getParameterAnnotations();
+            ConstructorParametersSignature sig = (ConstructorParametersSignature) signature;
+            if (paramAnnotations[sig.getParam()].length == 0)
+               return NullAnnotatedElementComponentMetaDataLoader.INSTANCE;
+            return new SimpleMetaDataLoader(paramAnnotations[sig.getParam()]);
+         }
+      }
+
+      return null;
+   }
+
+   public boolean isEmpty()
+   {
+      Annotation[] annotations = annotated.getAnnotations();
+      return annotations == null || annotations.length == 0;
+   }
+
+   public String toString()
+   {
+      JBossStringBuilder buffer = new JBossStringBuilder();
+      Strings.defaultToString(buffer, this);
+      buffer.append("[");
+      buffer.append(annotated);
+      buffer.append("]");
+      return buffer.toString();
+   }
+
+   /**
+    * Get the declaring class from the reference class
+    * 
+    * @param reference the reference class
+    * @param declaringClass the declaring class
+    * @return the class or null if the declaring class is not a super class of the reference
+    */
+   private static Class<?> getDeclaringClass(Class<?> reference, String declaringClass)
+   {
+      while (reference != null)
+      {
+         if (declaringClass.equals(reference.getName()))
+            return reference;
+         
+         reference = reference.getSuperclass();
+      }
+      return null;
+   }
+   
+   /**
+    * http://community.jboss.org/thread/148203
+    * Singleton be returned by AnnotatedElementMetaDataLoader.getComponentMetaDataRetrieval() when there are no annotations for the member. This is to avoid
+    * the overhead of creating a new AnnotatedElementMetaDataLoader even in those cases, something which shows up to be a big bottleneck in AS startup time,
+    * mainly due to the creation of AnnotatedElementMetaDataLoader's ScopeKey.    
+    */
+   private static class NullAnnotatedElementComponentMetaDataLoader implements MetaDataRetrieval
+   {
+      final static NullAnnotatedElementComponentMetaDataLoader INSTANCE = new NullAnnotatedElementComponentMetaDataLoader();
+      final static ScopeKey nullScopeKey = new ScopeKey(new Scope(CommonLevels.JOINPOINT, INSTANCE));
+      
+      final BasicAnnotationsItem noANnnotationsItem = new BasicAnnotationsItem(null, new AnnotationItem[0]);
+      final BasicMetaDatasItem noMetaDatasItem = new BasicMetaDatasItem(null, new MetaDataItem[0]);
+      final ValidTime validTime = new ValidTime();
+      
+      public MetaDataRetrieval getComponentMetaDataRetrieval(Signature signature)
+      {
+         return INSTANCE;
+      }
+
+      public ScopeKey getScope()
+      {
+         return nullScopeKey;
+      }
+
+      public MetaDataRetrieval getScopedRetrieval(ScopeLevel level)
+      {
+         return INSTANCE;
+      }
+
+      public ValidTime getValidTime()
+      {
+         return validTime;
+      }
+
+      public boolean isEmpty()
+      {
+         return true;
+      }
+
+      public <T extends Annotation> AnnotationItem<T> retrieveAnnotation(Class<T> annotationType)
+      {
+         return null;
+      }
+
+      public AnnotationsItem retrieveAnnotations()
+      {
+         return noANnnotationsItem;
+      }
+
+      public AnnotationsItem retrieveAnnotationsAnnotatedWith(Class<? extends Annotation> meta)
+      {
+         return noANnnotationsItem;
+      }
+
+      public AnnotationsItem retrieveLocalAnnotations()
+      {
+         return noANnnotationsItem;
+      }
+
+      public MetaDatasItem retrieveLocalMetaData()
+      {
+         return noMetaDatasItem;
+      }
+
+      public MetaDatasItem retrieveMetaData()
+      {
+         return noMetaDatasItem;
+      }
+
+      public <T> MetaDataItem<T> retrieveMetaData(Class<T> type)
+      {
+         return null;
+      }
+
+      public MetaDataItem<?> retrieveMetaData(String name)
+      {
+         return null;
+      }
+      
+   }
+}

Added: projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/test/CreateScopeKeyBenchmark.java
===================================================================
--- projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/test/CreateScopeKeyBenchmark.java	                        (rev 0)
+++ projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/test/CreateScopeKeyBenchmark.java	2010-02-18 16:00:28 UTC (rev 101117)
@@ -0,0 +1,60 @@
+/*
+* JBoss, Home of Professional Open Source.
+* Copyright 2006, Red Hat Middleware LLC, and individual contributors
+* as indicated by the @author tags. See the copyright.txt file in the
+* distribution for a full listing of individual contributors. 
+*
+* This is free software; you can redistribute it and/or modify it
+* under the terms of the GNU Lesser General Public License as
+* published by the Free Software Foundation; either version 2.1 of
+* the License, or (at your option) any later version.
+*
+* This software is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this software; if not, write to the Free
+* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+*/ 
+package org.jboss.test.metadata.benchmark.test;
+
+import org.jboss.metadata.spi.scope.CommonLevels;
+import org.jboss.metadata.spi.scope.Scope;
+import org.jboss.metadata.spi.scope.ScopeKey;
+import org.jboss.metadata.spi.scope.UnmodifiableScopeKey;
+
+/**
+ * 
+ * @author <a href="kabir.khan at jboss.com">Kabir Khan</a>
+ * @version $Revision: 1.1 $
+ */
+public class CreateScopeKeyBenchmark
+{
+   static int count = 100000;
+   public static void main(String[] args)
+   {
+      Scope[] scopes = new Scope[count];
+      for (int i = 0 ; i < count ; i++)
+      {
+         scopes[i] = new Scope(CommonLevels.JOINPOINT, i); 
+      }
+      
+      ScopeKey[] keys = new ScopeKey[count];
+      long start = System.currentTimeMillis();
+      for (int i = 0 ; i < count ; i++)
+      {
+         keys[i] = new ScopeKey(scopes[i]);
+      }
+      System.out.println("---> " + (System.currentTimeMillis() - start));
+      for (int i = 0 ; i < count ; i++)
+      {
+         if (keys[i] == null)
+            throw new IllegalStateException();
+         if (keys[i].getScopes().iterator().next().equals(scopes[i]) == false)
+            throw new IllegalStateException();
+      }
+   }
+}

Added: projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/test/CreateUnmodifiableScopeKeyBenchmark.java
===================================================================
--- projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/test/CreateUnmodifiableScopeKeyBenchmark.java	                        (rev 0)
+++ projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/test/CreateUnmodifiableScopeKeyBenchmark.java	2010-02-18 16:00:28 UTC (rev 101117)
@@ -0,0 +1,61 @@
+/*
+* JBoss, Home of Professional Open Source.
+* Copyright 2006, Red Hat Middleware LLC, and individual contributors
+* as indicated by the @author tags. See the copyright.txt file in the
+* distribution for a full listing of individual contributors. 
+*
+* This is free software; you can redistribute it and/or modify it
+* under the terms of the GNU Lesser General Public License as
+* published by the Free Software Foundation; either version 2.1 of
+* the License, or (at your option) any later version.
+*
+* This software is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this software; if not, write to the Free
+* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+*/ 
+package org.jboss.test.metadata.benchmark.test;
+
+import org.jboss.metadata.spi.scope.CommonLevels;
+import org.jboss.metadata.spi.scope.Scope;
+import org.jboss.metadata.spi.scope.ScopeKey;
+import org.jboss.metadata.spi.scope.UnmodifiableScopeKey;
+
+/**
+ * 
+ * @author <a href="kabir.khan at jboss.com">Kabir Khan</a>
+ * @version $Revision: 1.1 $
+ */
+public class CreateUnmodifiableScopeKeyBenchmark
+{
+   static int count = 100000;
+   public static void main(String[] args)
+   {
+      Scope[] scopes = new Scope[count];
+      for (int i = 0 ; i < count ; i++)
+      {
+         scopes[i] = new Scope(CommonLevels.JOINPOINT, i); 
+      }
+      
+      ScopeKey[] keys = new ScopeKey[count];
+      long start = System.currentTimeMillis();
+      for (int i = 0 ; i < count ; i++)
+      {
+         keys[i] = new UnmodifiableScopeKey(scopes[i]);
+      }
+      System.out.println("---> " + (System.currentTimeMillis() - start));
+      for (int i = 0 ; i < count ; i++)
+      {
+         if (keys[i] == null)
+            throw new IllegalStateException();
+         if (keys[i].getScopes().iterator().next().equals(scopes[i]) == false)
+            throw new IllegalStateException();
+      }
+   }
+
+}

Added: projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/test/NoComponentMetaDataCachingMetaDataContextBenchmark.java
===================================================================
--- projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/test/NoComponentMetaDataCachingMetaDataContextBenchmark.java	                        (rev 0)
+++ projects/jboss-mdr/trunk/src/test/java/org/jboss/test/metadata/benchmark/test/NoComponentMetaDataCachingMetaDataContextBenchmark.java	2010-02-18 16:00:28 UTC (rev 101117)
@@ -0,0 +1,184 @@
+/*
+* JBoss, Home of Professional Open Source.
+* Copyright 2006, Red Hat Middleware LLC, and individual contributors
+* as indicated by the @author tags. See the copyright.txt file in the
+* distribution for a full listing of individual contributors. 
+*
+* This is free software; you can redistribute it and/or modify it
+* under the terms of the GNU Lesser General Public License as
+* published by the Free Software Foundation; either version 2.1 of
+* the License, or (at your option) any later version.
+*
+* This software is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this software; if not, write to the Free
+* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+*/ 
+package org.jboss.test.metadata.benchmark.test;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
+
+import junit.framework.TestCase;
+
+import org.jboss.metadata.plugins.context.AbstractMetaDataContext;
+import org.jboss.metadata.plugins.loader.memory.MemoryMetaDataLoader;
+import org.jboss.metadata.plugins.loader.reflection.AnnotatedElementMetaDataLoader;
+import org.jboss.metadata.plugins.repository.AbstractMetaDataRepository;
+import org.jboss.metadata.plugins.repository.basic.BasicMetaDataRepository;
+import org.jboss.metadata.spi.MetaData;
+import org.jboss.metadata.spi.retrieval.MetaDataRetrieval;
+import org.jboss.metadata.spi.retrieval.MetaDataRetrievalToMetaDataBridge;
+import org.jboss.metadata.spi.retrieval.RetrievalUtils;
+import org.jboss.metadata.spi.scope.CommonLevels;
+import org.jboss.metadata.spi.scope.Scope;
+import org.jboss.metadata.spi.scope.ScopeKey;
+import org.jboss.metadata.spi.signature.DeclaredMethodSignature;
+import org.jboss.test.metadata.benchmark.support.NullAnnotatedElementMetaDataLoader;
+import org.jboss.test.metadata.benchmark.support.OriginalAnnotatedElementMetaDataLoader;
+import org.jboss.test.metadata.benchmark.support.SingletonAnnotatedElementMetaDataLoader;
+import org.jboss.test.metadata.benchmark.support.ClassNoMethodAnnotation1;
+import org.jboss.test.metadata.benchmark.support.ClassNoMethodAnnotation2;
+import org.jboss.test.metadata.benchmark.support.ClassNoMethodAnnotation3;
+import org.jboss.test.metadata.benchmark.support.ClassNoMethodAnnotation4;
+import org.jboss.test.metadata.benchmark.support.ClassNoMethodAnnotation5;
+
+/**
+ * 
+ * @author <a href="kabir.khan at jboss.com">Kabir Khan</a>
+ * @version $Revision: 1.1 $
+ */
+public class NoComponentMetaDataCachingMetaDataContextBenchmark extends TestCase
+{
+//   ClassRetrieval classRetrieval = ClassRetrieval.SINGLETON;
+//   ClassRetrieval classRetrieval = ClassRetrieval.ORIGINAL;
+//   ClassRetrieval classRetrieval = ClassRetrieval.NULL;
+   ClassRetrieval classRetrieval = ClassRetrieval.LATEST; 
+   
+   BasicMetaDataRepository repository = new BasicMetaDataRepository();
+   
+//   boolean caching = true;
+   boolean caching = false;
+   
+   int iterations = 1000;
+   int count = 1000;
+
+   private MetaDataRetrieval createClassRetrieval(Class<?> clazz)
+   {
+      if (classRetrieval == ClassRetrieval.NULL)
+         return new NullAnnotatedElementMetaDataLoader(clazz);
+      if (classRetrieval == ClassRetrieval.SINGLETON)
+         return new SingletonAnnotatedElementMetaDataLoader(clazz);
+      if (classRetrieval == ClassRetrieval.ORIGINAL)
+         return new OriginalAnnotatedElementMetaDataLoader(clazz);
+      if (classRetrieval == ClassRetrieval.LATEST)
+         return new AnnotatedElementMetaDataLoader(clazz);
+      
+      throw new RuntimeException();
+   }
+   
+
+   
+   public void testContexts()
+   {
+      List<MetaDataWrapper> data = createMetaDatas();
+      
+      assertEquals(count, data.size());
+      
+      long start = System.currentTimeMillis();
+      
+      for (int i = 0 ; i < iterations ; i++)
+      {
+         for (MetaDataWrapper wrapper : data)
+         {
+            for (Method m : wrapper.getClazz().getDeclaredMethods())
+            {
+               DeclaredMethodSignature sig = new DeclaredMethodSignature(m);
+               MetaData component = wrapper.getMetaData().getComponentMetaData(sig);
+               if (component != null && component.isEmpty() == false)
+                  throw new IllegalStateException("Expected null MD");
+            }
+         }
+      }
+      
+      System.out.println("------>" + (System.currentTimeMillis() - start));
+   }
+   
+   private List<MetaDataWrapper> createMetaDatas()
+   {
+      List<MetaDataWrapper> metaDatas = new ArrayList<MetaDataWrapper>();
+      
+      MemoryMetaDataLoader jvm = new MemoryMetaDataLoader(new ScopeKey(new Scope(CommonLevels.JVM, "THIS")));
+      for (int i = 0 ; i < count ; i++)
+      {
+         List<MetaDataRetrieval> retrievals = new ArrayList<MetaDataRetrieval>();
+         
+         retrievals.add(jvm);
+         retrievals.add(createClassRetrieval(getAnnotatedElementClass(i)));
+         retrievals.add(new MemoryMetaDataLoader(new ScopeKey(new Scope(CommonLevels.INSTANCE, "Bean" + i))));
+         
+         AbstractMetaDataContext context = new AbstractMetaDataContext(null, retrievals);
+         MetaData metaData = new MetaDataRetrievalToMetaDataBridge(context);
+         
+         if (caching)
+            metaData = RetrievalUtils.createCachedMetaData(metaData);
+         
+         MetaDataWrapper wrapped = new MetaDataWrapper(metaData, getAnnotatedElementClass(i));
+         metaDatas.add(wrapped);
+      }
+      
+      return metaDatas;
+   }
+   private Class<?> getAnnotatedElementClass(int i)
+   {
+      int mod = i % 5;
+      switch (mod)
+      {
+         case 0 :
+            return ClassNoMethodAnnotation1.class;
+         case 1 :
+            return ClassNoMethodAnnotation2.class;
+         case 2 :
+            return ClassNoMethodAnnotation3.class;
+         case 3 :
+            return ClassNoMethodAnnotation4.class;
+         case 4 :
+            return ClassNoMethodAnnotation5.class;
+         default:
+            throw new IllegalStateException();
+      }
+   }
+   
+   private static class MetaDataWrapper
+   {
+      MetaData metaData;
+      Class<?> clazz;
+      
+      public MetaDataWrapper(MetaData metaData, Class<?> clazz)
+      {
+         this.metaData = metaData;
+         this.clazz = clazz;
+      }
+
+      public MetaData getMetaData()
+      {
+         return metaData;
+      }
+      
+      public Class<?> getClazz()
+      {
+         return clazz;
+      }
+   }
+   
+   private enum ClassRetrieval
+   {
+      ORIGINAL, NULL, SINGLETON, LATEST
+   }
+}




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