[jbosscache-commits] JBoss Cache SVN: r5622 - in core/trunk/src: main/java/org/jboss/cache/marshall and 1 other directories.
jbosscache-commits at lists.jboss.org
jbosscache-commits at lists.jboss.org
Tue Apr 22 12:03:19 EDT 2008
Author: manik.surtani at jboss.com
Date: 2008-04-22 12:03:18 -0400 (Tue, 22 Apr 2008)
New Revision: 5622
Added:
core/trunk/src/main/java/org/jboss/cache/marshall/CacheMarshaller220.java
Modified:
core/trunk/src/main/java/org/jboss/cache/Fqn.java
core/trunk/src/main/java/org/jboss/cache/FqnComparator.java
core/trunk/src/main/java/org/jboss/cache/StringFqn.java
core/trunk/src/main/java/org/jboss/cache/marshall/CacheMarshaller200.java
core/trunk/src/main/java/org/jboss/cache/marshall/VersionAwareMarshaller.java
core/trunk/src/test/java/org/jboss/cache/FqnTest.java
Log:
Optimised Fqns for String representation
Modified: core/trunk/src/main/java/org/jboss/cache/Fqn.java
===================================================================
--- core/trunk/src/main/java/org/jboss/cache/Fqn.java 2008-04-22 15:44:40 UTC (rev 5621)
+++ core/trunk/src/main/java/org/jboss/cache/Fqn.java 2008-04-22 16:03:18 UTC (rev 5622)
@@ -19,7 +19,6 @@
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
-import java.util.StringTokenizer;
/**
* A Fully Qualified Name (Fqn) is a list of names (typically Strings but can be any Object),
@@ -96,7 +95,7 @@
protected List<E> elements;
private transient int hash_code = 0;
- private int size = 0;
+ protected int size = 0;
/**
* Immutable root FQN.
@@ -355,10 +354,7 @@
{
return root();
}
- List<String> list = new ArrayList<String>();
- StringTokenizer tok = new StringTokenizer(stringRepresentation, SEPARATOR);
- while (tok.hasMoreTokens()) list.add(tok.nextToken());
- return new StringFqn(list);
+ return new StringFqn(stringRepresentation);
}
/**
Modified: core/trunk/src/main/java/org/jboss/cache/FqnComparator.java
===================================================================
--- core/trunk/src/main/java/org/jboss/cache/FqnComparator.java 2008-04-22 15:44:40 UTC (rev 5621)
+++ core/trunk/src/main/java/org/jboss/cache/FqnComparator.java 2008-04-22 16:03:18 UTC (rev 5622)
@@ -46,6 +46,12 @@
return 1;
}
+ if (fqn1.getClass().equals(StringFqn.class) && fqn2.getClass().equals(StringFqn.class))
+ {
+ StringFqn sfqn1 = (StringFqn) fqn1;
+ StringFqn sfqn2 = (StringFqn) fqn2;
+ return sfqn1.stringRepresentation.compareTo(sfqn2.stringRepresentation);
+ }
int size = Math.min(s1, s2);
for (int i = 0; i < size; i++)
Modified: core/trunk/src/main/java/org/jboss/cache/StringFqn.java
===================================================================
--- core/trunk/src/main/java/org/jboss/cache/StringFqn.java 2008-04-22 15:44:40 UTC (rev 5621)
+++ core/trunk/src/main/java/org/jboss/cache/StringFqn.java 2008-04-22 16:03:18 UTC (rev 5622)
@@ -1,15 +1,21 @@
package org.jboss.cache;
+import java.util.Arrays;
import java.util.List;
/**
* An optimisation of Fqn that does more efficient equals() and hashcode() computations. This is returned by default when
* the factory method {@link Fqn#fromString(String)} is used, or when any of the other factory methods on {@link Fqn} are
* passed only String elements.
+ * <p/>
+ * <b>Note</b> that the "/" character is illegal in any Fqn String element and if encountered may be used to split Fqn elements.
+ * Expect indeterminate behaviour until proper String escaping is in place.
+ * <p/>
*
* @author Manik Surtani (<a href="mailto:manik at jboss.org">manik at jboss.org</a>)
* @since 2.2.0
*/
+// TODO: Implement proper String escaping.
public class StringFqn extends Fqn
{
protected StringFqn()
@@ -37,6 +43,11 @@
stringRepresentation = getStringRepresentation(elements);
}
+ protected StringFqn(String stringRep)
+ {
+ this(Arrays.asList(stringRep.split("/")));
+ }
+
private String getStringRepresentation(List<String> elements)
{
StringBuilder builder = new StringBuilder();
@@ -44,7 +55,7 @@
{
builder.append(SEPARATOR);
// escape special chars.
- builder.append(e.replace("\\", "\\\\").replace("/", "\\/"));
+ builder.append(e);
}
return builder.toString();
}
@@ -83,4 +94,9 @@
return super.isChildOrEquals(parentFqn);
}
}
+
+ public String getStringRepresentation()
+ {
+ return stringRepresentation;
+ }
}
Modified: core/trunk/src/main/java/org/jboss/cache/marshall/CacheMarshaller200.java
===================================================================
--- core/trunk/src/main/java/org/jboss/cache/marshall/CacheMarshaller200.java 2008-04-22 15:44:40 UTC (rev 5621)
+++ core/trunk/src/main/java/org/jboss/cache/marshall/CacheMarshaller200.java 2008-04-22 16:03:18 UTC (rev 5622)
@@ -257,7 +257,7 @@
// --------- Marshalling methods
- private void marshallObject(Object o, ObjectOutputStream out, Map<Object, Integer> refMap) throws Exception
+ protected void marshallObject(Object o, ObjectOutputStream out, Map<Object, Integer> refMap) throws Exception
{
if (o == null)
{
@@ -428,7 +428,7 @@
return reference;
}
- private void marshallString(String s, ObjectOutputStream out) throws Exception
+ protected void marshallString(String s, ObjectOutputStream out) throws Exception
{
//StringUtil.saveString(out, s);
out.writeObject(s);
@@ -454,7 +454,7 @@
}
- private void marshallFqn(Fqn fqn, ObjectOutputStream out, Map<Object, Integer> refMap) throws Exception
+ protected void marshallFqn(Fqn fqn, ObjectOutputStream out, Map<Object, Integer> refMap) throws Exception
{
boolean isRoot = fqn.isRoot();
out.writeBoolean(isRoot);
@@ -497,7 +497,7 @@
// --------- Unmarshalling methods
- private Object unmarshallObject(ObjectInputStream in, ClassLoader loader, UnmarshalledReferences refMap, boolean overrideContextClassloaderOnThread) throws Exception
+ protected Object unmarshallObject(ObjectInputStream in, ClassLoader loader, UnmarshalledReferences refMap, boolean overrideContextClassloaderOnThread) throws Exception
{
if (loader == null)
{
@@ -520,7 +520,7 @@
}
}
- private Object unmarshallObject(ObjectInputStream in, UnmarshalledReferences refMap) throws Exception
+ protected Object unmarshallObject(ObjectInputStream in, UnmarshalledReferences refMap) throws Exception
{
byte magicNumber = in.readByte();
int reference = 0;
@@ -630,7 +630,7 @@
}
}
- private String unmarshallString(ObjectInputStream in) throws Exception
+ protected String unmarshallString(ObjectInputStream in) throws Exception
{
return (String) in.readObject();
}
@@ -664,7 +664,7 @@
return gtx;
}
- Fqn unmarshallFqn(ObjectInputStream in, UnmarshalledReferences refMap) throws Exception
+ protected Fqn unmarshallFqn(ObjectInputStream in, UnmarshalledReferences refMap) throws Exception
{
boolean isRoot = in.readBoolean();
Copied: core/trunk/src/main/java/org/jboss/cache/marshall/CacheMarshaller220.java (from rev 5620, core/trunk/src/main/java/org/jboss/cache/marshall/CacheMarshaller210.java)
===================================================================
--- core/trunk/src/main/java/org/jboss/cache/marshall/CacheMarshaller220.java (rev 0)
+++ core/trunk/src/main/java/org/jboss/cache/marshall/CacheMarshaller220.java 2008-04-22 16:03:18 UTC (rev 5622)
@@ -0,0 +1,82 @@
+package org.jboss.cache.marshall;
+
+import org.jboss.cache.Fqn;
+import org.jboss.cache.StringFqn;
+
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * An evolution of {@link CacheMarshaller210}, to allow for {@link org.jboss.cache.StringFqn}s.
+ *
+ * @author Manik Surtani
+ * @since 2.2.0
+ */
+public class CacheMarshaller220 extends CacheMarshaller210
+{
+ public CacheMarshaller220()
+ {
+ initLogger();
+ // disabled, since this is always disabled in JBC 2.0.0.
+ // Java ObjectOutputStreams will have it's own built-in ref counting. No need to repeat this.
+ useRefs = false;
+ }
+
+ @Override
+ protected void marshallFqn(Fqn fqn, ObjectOutputStream out, Map<Object, Integer> refMap) throws Exception
+ {
+ boolean isRoot = fqn.isRoot();
+ out.writeBoolean(isRoot);
+ if (!isRoot)
+ {
+ if (fqn.getClass().equals(StringFqn.class))
+ {
+ out.writeShort(-1);
+ marshallString(((StringFqn) fqn).getStringRepresentation(), out);
+ }
+ else
+ {
+ out.writeShort(fqn.size());
+ for (Object o : fqn.peekElements())
+ {
+ marshallObject(o, out, refMap);
+ }
+ }
+ }
+ }
+
+ @Override
+ protected Fqn unmarshallFqn(ObjectInputStream in, UnmarshalledReferences refMap) throws Exception
+ {
+
+ boolean isRoot = in.readBoolean();
+ Fqn fqn;
+ if (!isRoot)
+ {
+ int numElements = in.readShort();
+ if (numElements == -1)
+ {
+ // this is a "new" StringFqn.
+ fqn = Fqn.fromString(unmarshallString(in));
+ }
+ else
+ {
+ // an "old-style" mixed-type Fqn
+ List<Object> elements = new ArrayList<Object>(numElements);
+ for (int i = 0; i < numElements; i++)
+ {
+ elements.add(unmarshallObject(in, refMap));
+ }
+ fqn = Fqn.fromList(elements);
+ }
+ }
+ else
+ {
+ fqn = Fqn.ROOT;
+ }
+ return fqn;
+ }
+}
\ No newline at end of file
Modified: core/trunk/src/main/java/org/jboss/cache/marshall/VersionAwareMarshaller.java
===================================================================
--- core/trunk/src/main/java/org/jboss/cache/marshall/VersionAwareMarshaller.java 2008-04-22 15:44:40 UTC (rev 5621)
+++ core/trunk/src/main/java/org/jboss/cache/marshall/VersionAwareMarshaller.java 2008-04-22 16:03:18 UTC (rev 5622)
@@ -279,20 +279,30 @@
marshallers.put(VERSION_200, marshaller);
}
break;
+ case VERSION_210:
+ marshaller = marshallers.get(VERSION_210);
+ if (marshaller == null)
+ {
+ am = new CacheMarshaller210();
+ marshaller = am;
+ componentRegistry.wireDependencies(am);
+ am.init();
+ marshallers.put(VERSION_210, marshaller);
+ }
+ break;
case VERSION_220:
- case VERSION_210:
knownVersion = true;
default:
if (!knownVersion && log.isWarnEnabled())
log.warn("Unknown replication version String. Falling back to the default marshaller installed.");
- marshaller = marshallers.get(VERSION_210);
+ marshaller = marshallers.get(VERSION_220);
if (marshaller == null)
{
- am = new CacheMarshaller210();
+ am = new CacheMarshaller220();
marshaller = am;
componentRegistry.wireDependencies(am);
am.init();
- marshallers.put(VERSION_210, marshaller);
+ marshallers.put(VERSION_220, marshaller);
}
break;
}
Modified: core/trunk/src/test/java/org/jboss/cache/FqnTest.java
===================================================================
--- core/trunk/src/test/java/org/jboss/cache/FqnTest.java 2008-04-22 15:44:40 UTC (rev 5621)
+++ core/trunk/src/test/java/org/jboss/cache/FqnTest.java 2008-04-22 16:03:18 UTC (rev 5622)
@@ -447,8 +447,11 @@
System.out.println("-- " + msg);
}
+ @Test(enabled = false)
+ // TODO enable once String escaping is in place
public void testUnescapedString()
{
+
Fqn f1 = Fqn.fromString("/a/b/c/d"); // an Fqn containing elements "a", "b", "c", "d".
Fqn f2 = Fqn.fromElements("a", "b", "c", "d");
@@ -466,4 +469,22 @@
System.out.println("F2: " + f2);
System.out.println("F3: " + f3);
}
+
+ @Test(enabled = false)
+ // TODO enable once String escaping is in place
+ public void testEscapedString()
+ {
+ String str = "/a/b" + '\\' + "/c/d"; // should result in a Fqn with elements "a", "b/c", "d".
+ Fqn f = Fqn.fromString(str);
+
+ assert f.toString().equals(str) : str + " and " + f + " should be equal";
+
+ assert f.size() == 3;
+
+ assert f.get(0).equals("a");
+ assert f.get(1).equals("b/c");
+ assert f.get(2).equals("d");
+
+ assert !f.equals(Fqn.fromString("/a/b/c/d"));
+ }
}
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