[seam-commits] Seam SVN: r13522 - in modules/persistence/trunk/impl: src/main/java/org/jboss/seam/persistence and 1 other directories.

seam-commits at lists.jboss.org seam-commits at lists.jboss.org
Wed Jul 28 05:21:43 EDT 2010


Author: swd847
Date: 2010-07-28 05:21:42 -0400 (Wed, 28 Jul 2010)
New Revision: 13522

Added:
   modules/persistence/trunk/impl/src/main/java/org/jboss/seam/persistence/QueryParser.java
   modules/persistence/trunk/impl/src/test/java/org/jboss/seam/persistence/test/HotelNameProducer.java
   modules/persistence/trunk/impl/src/test/java/org/jboss/seam/persistence/test/ManagedPersistenceContextELTest.java
Modified:
   modules/persistence/trunk/impl/pom.xml
   modules/persistence/trunk/impl/src/main/java/org/jboss/seam/persistence/ManagedPersistenceContextExtension.java
   modules/persistence/trunk/impl/src/main/java/org/jboss/seam/persistence/ManagedPersistenceContextProxyHandler.java
   modules/persistence/trunk/impl/src/test/java/org/jboss/seam/persistence/test/ManagedPersistenceContextTest.java
Log:
add the ability to use el in jpa queries



Modified: modules/persistence/trunk/impl/pom.xml
===================================================================
--- modules/persistence/trunk/impl/pom.xml	2010-07-28 09:05:52 UTC (rev 13521)
+++ modules/persistence/trunk/impl/pom.xml	2010-07-28 09:21:42 UTC (rev 13522)
@@ -54,6 +54,11 @@
          <artifactId>jboss-interceptors-api_1.1_spec</artifactId>
          <scope>provided</scope>
       </dependency>
+      
+      <dependency>
+         <groupId>javax.el</groupId>
+         <artifactId>el-api</artifactId>
+      </dependency>
 
       <dependency>
          <groupId>javax.transaction</groupId>

Modified: modules/persistence/trunk/impl/src/main/java/org/jboss/seam/persistence/ManagedPersistenceContextExtension.java
===================================================================
--- modules/persistence/trunk/impl/src/main/java/org/jboss/seam/persistence/ManagedPersistenceContextExtension.java	2010-07-28 09:05:52 UTC (rev 13521)
+++ modules/persistence/trunk/impl/src/main/java/org/jboss/seam/persistence/ManagedPersistenceContextExtension.java	2010-07-28 09:21:42 UTC (rev 13522)
@@ -110,13 +110,6 @@
       }
    }
 
-   /**
-    */
-   public void processProducer()
-   {
-
-   }
-
    public void registerManagedPersistenceContext(Set<Annotation> qualifiers, Class<? extends Annotation> scope, BeanManager manager)
    {
       // create the new bean to be registerd later

Modified: modules/persistence/trunk/impl/src/main/java/org/jboss/seam/persistence/ManagedPersistenceContextProxyHandler.java
===================================================================
--- modules/persistence/trunk/impl/src/main/java/org/jboss/seam/persistence/ManagedPersistenceContextProxyHandler.java	2010-07-28 09:05:52 UTC (rev 13521)
+++ modules/persistence/trunk/impl/src/main/java/org/jboss/seam/persistence/ManagedPersistenceContextProxyHandler.java	2010-07-28 09:21:42 UTC (rev 13522)
@@ -29,12 +29,15 @@
 import javax.enterprise.inject.spi.Bean;
 import javax.enterprise.inject.spi.BeanManager;
 import javax.persistence.EntityManager;
+import javax.persistence.Query;
 import javax.transaction.Synchronization;
 import javax.transaction.SystemException;
 
 import org.jboss.seam.persistence.transaction.DefaultTransaction;
 import org.jboss.seam.persistence.transaction.SeamTransaction;
 import org.jboss.seam.persistence.transaction.literal.DefaultTransactionLiteral;
+import org.jboss.weld.extensions.el.Expressions;
+import org.jboss.weld.extensions.literal.DefaultLiteral;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -61,10 +64,13 @@
 
    static final Logger log = LoggerFactory.getLogger(ManagedPersistenceContextProxyHandler.class);
 
+   private final Bean<Expressions> expressionsBean;
+
    public ManagedPersistenceContextProxyHandler(EntityManager delegate, BeanManager beanManager)
    {
       this.delegate = delegate;
       this.beanManager = beanManager;
+      this.expressionsBean = (Bean) beanManager.resolve(beanManager.getBeans(Expressions.class, DefaultLiteral.INSTANCE));
    }
 
    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable
@@ -73,6 +79,10 @@
       {
          joinTransaction();
       }
+      if ("createQuery".equals(method.getName()) && method.getParameterTypes().length > 0 && method.getParameterTypes()[0].equals(String.class))
+      {
+         return handleCreateQueryWithString(method, args);
+      }
       return method.invoke(delegate, args);
    }
 
@@ -122,4 +132,30 @@
 
    }
 
+   protected Object handleCreateQueryWithString(Method method, Object[] args) throws Throwable
+   {
+      if (args[0] == null)
+      {
+         return method.invoke(delegate, args);
+      }
+      String ejbql = (String) args[0];
+      if (ejbql.indexOf('#') > 0)
+      {
+         CreationalContext<Expressions> ctx = beanManager.createCreationalContext(expressionsBean);
+         Expressions expressions = (Expressions) beanManager.getReference(expressionsBean, Expressions.class, ctx);
+         QueryParser qp = new QueryParser(expressions, ejbql);
+         Object[] newArgs = args.clone();
+         newArgs[0] = qp.getEjbql();
+         Query query = (Query) method.invoke(delegate, newArgs);
+         for (int i = 0; i < qp.getParameterValues().size(); i++)
+         {
+            query.setParameter(QueryParser.getParameterName(i), qp.getParameterValues().get(i));
+         }
+         return query;
+      }
+      else
+      {
+         return method.invoke(delegate, args);
+      }
+   }
 }

Added: modules/persistence/trunk/impl/src/main/java/org/jboss/seam/persistence/QueryParser.java
===================================================================
--- modules/persistence/trunk/impl/src/main/java/org/jboss/seam/persistence/QueryParser.java	                        (rev 0)
+++ modules/persistence/trunk/impl/src/main/java/org/jboss/seam/persistence/QueryParser.java	2010-07-28 09:21:42 UTC (rev 13522)
@@ -0,0 +1,84 @@
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2010, Red Hat, Inc., and individual contributors
+ * 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.seam.persistence;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.StringTokenizer;
+
+import org.jboss.weld.extensions.el.Expressions;
+
+public class QueryParser
+{
+   private final List<Object> parameterValues = new ArrayList<Object>();
+   private final StringBuilder ejbqlBuilder;
+
+   public static String getParameterName(int loc)
+   {
+      return "el" + (loc + 1);
+   }
+
+   public String getEjbql()
+   {
+      return ejbqlBuilder.toString();
+   }
+
+   public List<Object> getParameterValues()
+   {
+      return parameterValues;
+   }
+
+   public QueryParser(Expressions expressions, String ejbql)
+   {
+      this(expressions, ejbql, 0);
+   }
+
+   public QueryParser(Expressions expressions, String ejbql, int startingParameterNumber)
+   {
+      StringTokenizer tokens = new StringTokenizer(ejbql, "#}", true);
+      ejbqlBuilder = new StringBuilder(ejbql.length());
+      while (tokens.hasMoreTokens())
+      {
+         String token = tokens.nextToken();
+         if ("#".equals(token) && tokens.hasMoreTokens())
+         {
+            String expressionToken = tokens.nextToken();
+
+            if (!expressionToken.startsWith("{") || !tokens.hasMoreTokens())
+            {
+               ejbqlBuilder.append(token).append(expressionToken);
+            }
+            else
+            {
+               String expression = token + expressionToken + tokens.nextToken();
+               ejbqlBuilder.append(':').append(getParameterName(startingParameterNumber + parameterValues.size()));
+               parameterValues.add(expressions.evaluateValueExpression(expression));
+            }
+         }
+         else
+         {
+            ejbqlBuilder.append(token);
+         }
+      }
+   }
+
+}

Added: modules/persistence/trunk/impl/src/test/java/org/jboss/seam/persistence/test/HotelNameProducer.java
===================================================================
--- modules/persistence/trunk/impl/src/test/java/org/jboss/seam/persistence/test/HotelNameProducer.java	                        (rev 0)
+++ modules/persistence/trunk/impl/src/test/java/org/jboss/seam/persistence/test/HotelNameProducer.java	2010-07-28 09:21:42 UTC (rev 13522)
@@ -0,0 +1,14 @@
+package org.jboss.seam.persistence.test;
+
+import javax.enterprise.inject.Produces;
+import javax.inject.Named;
+
+public class HotelNameProducer
+{
+   @Produces
+   @Named("hotelName")
+   public String getHotelName()
+   {
+      return "Hilton";
+   }
+}

Added: modules/persistence/trunk/impl/src/test/java/org/jboss/seam/persistence/test/ManagedPersistenceContextELTest.java
===================================================================
--- modules/persistence/trunk/impl/src/test/java/org/jboss/seam/persistence/test/ManagedPersistenceContextELTest.java	                        (rev 0)
+++ modules/persistence/trunk/impl/src/test/java/org/jboss/seam/persistence/test/ManagedPersistenceContextELTest.java	2010-07-28 09:21:42 UTC (rev 13522)
@@ -0,0 +1,100 @@
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2010, Red Hat, Inc., and individual contributors
+ * 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.seam.persistence.test;
+
+import javax.inject.Inject;
+import javax.persistence.EntityManager;
+import javax.transaction.HeuristicMixedException;
+import javax.transaction.HeuristicRollbackException;
+import javax.transaction.NotSupportedException;
+import javax.transaction.RollbackException;
+import javax.transaction.SystemException;
+
+import org.jboss.arquillian.api.Deployment;
+import org.jboss.arquillian.junit.Arquillian;
+import org.jboss.seam.persistence.PersistenceContextExtension;
+import org.jboss.seam.persistence.transaction.DefaultTransaction;
+import org.jboss.seam.persistence.transaction.SeamTransaction;
+import org.jboss.seam.persistence.transaction.TransactionExtension;
+import org.jboss.seam.persistence.util.NamingUtils;
+import org.jboss.seam.transactions.test.util.ArtifactNames;
+import org.jboss.seam.transactions.test.util.Hotel;
+import org.jboss.seam.transactions.test.util.ManagedPersistenceContextProvider;
+import org.jboss.seam.transactions.test.util.MavenArtifactResolver;
+import org.jboss.shrinkwrap.api.Archive;
+import org.jboss.shrinkwrap.api.ShrinkWrap;
+import org.jboss.shrinkwrap.api.asset.ByteArrayAsset;
+import org.jboss.shrinkwrap.api.spec.WebArchive;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+ at RunWith(Arquillian.class)
+public class ManagedPersistenceContextELTest
+{
+   @Deployment
+   public static Archive<?> createTestArchive()
+   {
+      WebArchive war = ShrinkWrap.createDomain().getArchiveFactory().create(WebArchive.class, "test.war");
+      war.addLibraries(MavenArtifactResolver.resolve(ArtifactNames.WELD_EXTENSIONS));
+      war.addLibraries(MavenArtifactResolver.resolve(ArtifactNames.SEAM_PERSISTENCE_API));
+      war.addPackage(TransactionExtension.class.getPackage());
+      war.addPackage(PersistenceContextExtension.class.getPackage());
+      war.addPackage(NamingUtils.class.getPackage());
+      war.addClasses(ManagedPersistenceContextELTest.class, Hotel.class, ManagedPersistenceContextProvider.class, HotelNameProducer.class);
+      war.addWebResource("META-INF/persistence.xml", "classes/META-INF/persistence.xml");
+      war.addWebResource(new ByteArrayAsset(new byte[0]), "beans.xml");
+      war.addWebResource("META-INF/services/javax.enterprise.inject.spi.Extension", "classes/META-INF/services/javax.enterprise.inject.spi.Extension");
+      return war;
+   }
+
+   @Inject
+   @DefaultTransaction
+   SeamTransaction transaction;
+
+   @Inject
+   EntityManager em;
+
+   @Test
+   public void testELInInquery() throws NotSupportedException, SystemException, SecurityException, IllegalStateException, RollbackException, HeuristicMixedException, HeuristicRollbackException
+   {
+      transaction.begin();
+      Hotel h = new Hotel("Hilton", "Fake St", "Wollongong", "NSW", "2518", "Australia");
+      em.persist(h);
+      em.flush();
+      transaction.commit();
+
+      transaction.begin();
+      h = new Hotel("Other Hotel", "Real St ", "Wollongong", "NSW", "2518", "Australia");
+      em.persist(h);
+      em.flush();
+      transaction.commit();
+
+      transaction.begin();
+      Hotel hilton = (Hotel) em.createQuery("select h from Hotel h where h.name=#{hotelName}").getSingleResult();
+      Assert.assertTrue(hilton.getName().equals("Hilton"));
+      Assert.assertTrue(hilton.getAddress().equals("Fake St"));
+      transaction.commit();
+
+   }
+
+}

Modified: modules/persistence/trunk/impl/src/test/java/org/jboss/seam/persistence/test/ManagedPersistenceContextTest.java
===================================================================
--- modules/persistence/trunk/impl/src/test/java/org/jboss/seam/persistence/test/ManagedPersistenceContextTest.java	2010-07-28 09:05:52 UTC (rev 13521)
+++ modules/persistence/trunk/impl/src/test/java/org/jboss/seam/persistence/test/ManagedPersistenceContextTest.java	2010-07-28 09:21:42 UTC (rev 13522)
@@ -1,3 +1,24 @@
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2010, Red Hat, Inc., and individual contributors
+ * 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.seam.persistence.test;
 
 import java.util.List;



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