July 2008 - jbosscache-commits - Jboss List Archives

JBoss Cache SVN: r6388 - benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/src/org/cachebench/cachewrappers.

by jbosscache-commits＠lists.jboss.org

Author: mircea.markus Date: 2008-07-23 20:53:25 -0400 (Wed, 23 Jul 2008) New Revision: 6388 Modified: benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/src/org/cachebench/cachewrappers/Coherence331Wrapper.java Log: bug fixing Modified: benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/src/org/cachebench/cachewrappers/Coherence331Wrapper.java =================================================================== --- benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/src/org/cachebench/cachewrappers/Coherence331Wrapper.java 2008-07-24 00:48:02 UTC (rev 6387) +++ benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/src/org/cachebench/cachewrappers/Coherence331Wrapper.java 2008-07-24 00:53:25 UTC (rev 6388) @@ -27,17 +27,17 @@ String trimmedConfig = configuraton.trim(); if (trimmedConfig.indexOf("repl") == 0) { - cache = CacheFactory.getCache("replicatedCache"); + cache = CacheFactory.getCache("repl-CacheBenchmarkFramework"); } if (trimmedConfig.indexOf("dist") == 0) { - cache = CacheFactory.getCache("replicatedCache"); + cache = CacheFactory.getCache("dist-CacheBenchmarkFramework"); } throw new RuntimeException("Invalid configuration ('" + trimmedConfig + "'). Configuration name should start with: 'dist' or 'repl'"); } public void tearDown() throws Exception { - cache.release(); + if (cache != null) cache.release(); } public void put(List<String> path, Object key, Object value) throws Exception {

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JBoss Cache SVN: r6387 - benchmarks/benchmark-fwk/trunk/src/org/cachebench.

by jbosscache-commits＠lists.jboss.org

Author: mircea.markus Date: 2008-07-23 20:48:02 -0400 (Wed, 23 Jul 2008) New Revision: 6387 Modified: benchmarks/benchmark-fwk/trunk/src/org/cachebench/CacheBenchmarkRunner.java Log: setup shouled be run before warmup Modified: benchmarks/benchmark-fwk/trunk/src/org/cachebench/CacheBenchmarkRunner.java =================================================================== --- benchmarks/benchmark-fwk/trunk/src/org/cachebench/CacheBenchmarkRunner.java 2008-07-24 00:24:57 UTC (rev 6386) +++ benchmarks/benchmark-fwk/trunk/src/org/cachebench/CacheBenchmarkRunner.java 2008-07-24 00:48:02 UTC (rev 6387) @@ -155,12 +155,9 @@ cache = newCache(test); if (cache != null) { - if (!localOnly) barrier("BEFORE_WARMUP"); - warmupCache(test, cache); - if (!localOnly) barrier("AFTER_WARMUP"); - //now start testing cache.setUp(); + warmupCache(test, cache); List<TestResult> resultsForCache = runTestsOnCache(cache, test); if (!localOnly) barrier("AFTER_TEST_RUN"); shutdownCache(cache); @@ -198,6 +195,7 @@ private void warmupCache(TestCase test, CacheWrapper cache) throws Exception { + if (!localOnly) barrier("BEFORE_WARMUP"); log.info("Warming up.."); CacheWarmupConfig warmupConfig = test.getCacheWarmupConfig(); log.trace("Warmup config is: " + warmupConfig); @@ -205,6 +203,7 @@ warmup.setConfigParams(warmupConfig.getParams()); warmup.warmup(cache); log.info("Warmup ended!"); + if (!localOnly) barrier("AFTER_WARMUP"); } /**

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JBoss Cache SVN: r6386 - in benchmarks/benchmark-fwk/trunk: cache-products/coherence-3.3.1 and 2 other directories.

by jbosscache-commits＠lists.jboss.org

Author: mircea.markus Date: 2008-07-23 20:24:57 -0400 (Wed, 23 Jul 2008) New Revision: 6386 Added: benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/config.sh benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/src/org/cachebench/cachewrappers/Coherence331Wrapper.java Removed: benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/src/org/cachebench/cachewrappers/CoherenceWrapper.java Modified: benchmarks/benchmark-fwk/trunk/build.xml benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/conf/cache-config.xml Log: updated TC config and added both replicated and distributed tests Modified: benchmarks/benchmark-fwk/trunk/build.xml =================================================================== --- benchmarks/benchmark-fwk/trunk/build.xml 2008-07-23 20:41:02 UTC (rev 6385) +++ benchmarks/benchmark-fwk/trunk/build.xml 2008-07-24 00:24:57 UTC (rev 6386) @@ -94,18 +94,18 @@ </javac> </target> - <target name="compile.module.coherence322" depends="compile.module.framework" - description="Compile module coherence322; production classes"> - <mkdir dir="./classes/production/coherence-3.2.2"/> - <javac destdir="./classes/production/coherence-3.2.2" debug="${compiler.debug}" + <target name="compile.module.coherence331" depends="compile.module.framework" + description="Compile module coherence331; production classes"> + <mkdir dir="./classes/production/coherence-3.3.1"/> + <javac destdir="./classes/production/coherence-3.3.1" debug="${compiler.debug}" nowarn="${compiler.generate.no.warnings}" fork="true"> <classpath> - <fileset dir="./cache-products/coherence-3.2.2/lib" includes="*.jar"/> - <pathelement location="./cache-products/coherence-3.2.2/conf"/> + <fileset dir="./cache-products/coherence-3.3.1/lib" includes="*.jar"/> + <pathelement location="./cache-products/coherence-3.3.1/conf"/> <pathelement location="${framework.output.dir}"/> - <pathelement location="./classes/production/coherence-3.2.2"/> + <pathelement location="./classes/production/coherence-3.3.1"/> </classpath> - <src path="./cache-products/coherence-3.2.2"/> + <src path="./cache-products/coherence-3.3.1"/> </javac> </target> @@ -214,7 +214,7 @@ </target> <target name="all" - depends="clean, compile.module.framework, compile.module.jbosscache140, compile.module.jbosscache200, compile.module.jbosscache210, compile.module.jbosscache220, compile.module.terracotta250, compile.module.ehcache141, compile.module.whirlycache101, compile.module.jbosscache300" + depends="clean, compile.module.framework, compile.module.coherence331, compile.module.jbosscache140, compile.module.jbosscache200, compile.module.jbosscache210, compile.module.jbosscache220, compile.module.terracotta250, compile.module.ehcache141, compile.module.whirlycache101, compile.module.jbosscache300" description="build all"/> <target name="checkClusterAddresses" depends="compile.module.framework" Modified: benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/conf/cache-config.xml =================================================================== --- benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/conf/cache-config.xml 2008-07-23 20:41:02 UTC (rev 6385) +++ benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/conf/cache-config.xml 2008-07-24 00:24:57 UTC (rev 6386) @@ -1,42 +1,53 @@ <?xml version="1.0"?> + <!DOCTYPE cache-config SYSTEM "cache-config.dtd"> <cache-config> - <caching-scheme-mapping> -  - <cache-mapping> - <cache-name>*</cache-name> - <scheme-name>default-replicated</scheme-name> - </cache-mapping> - </caching-scheme-mapping> + <caching-scheme-mapping> + <cache-mapping> + <cache-name>repl-*</cache-name> + <scheme-name>default-replicated</scheme-name> + </cache-mapping> - <caching-schemes> -  - <replicated-scheme> - <scheme-name>default-replicated</scheme-name> - <service-name>ReplicatedCache</service-name> + <cache-mapping> + <cache-name>dist-*</cache-name> + <scheme-name>default-distributed</scheme-name> + </cache-mapping> + </caching-scheme-mapping> - <backing-map-scheme> - <class-scheme> - <scheme-ref>default-backing-map</scheme-ref> - </class-scheme> - </backing-map-scheme> - </replicated-scheme> + <caching-schemes> +  + <replicated-scheme> + <scheme-name>default-replicated</scheme-name> + <service-name>ReplicatedCache</service-name> + <backing-map-scheme> + <class-scheme> + <scheme-ref>default-backing-map</scheme-ref> + </class-scheme> + </backing-map-scheme> + </replicated-scheme> -  - <class-scheme> - <scheme-name>default-backing-map</scheme-name> + <distributed-scheme> + <scheme-name>default-distributed</scheme-name> + <service-name>DistributedCache</service-name> - <class-name>com.tangosol.util.SafeHashMap</class-name> - </class-scheme> + <backing-map-scheme> + <class-scheme> + <scheme-ref>default-backing-map</scheme-ref> + </class-scheme> + </backing-map-scheme> + </distributed-scheme> - </caching-schemes> -</cache-config> +  + <class-scheme> + <scheme-name>default-backing-map</scheme-name> + <class-name>com.tangosol.util.SafeHashMap</class-name> + </class-scheme> + </caching-schemes> +</cache-config> \ No newline at end of file Added: benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/config.sh =================================================================== --- benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/config.sh (rev 0) +++ benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/config.sh 2008-07-24 00:24:57 UTC (rev 6386) @@ -0,0 +1,20 @@ +#!/bin/bash + +#see "$CACHE_ROOT/cache-products/cache.sh" for details + +THIS_DIR="./cache-products/coherence-3.3.1" + +#setting up classpath +for JAR in $THIS_DIR/lib/* +do + CLASSPATH=$CLASSPATH:$JAR +done + +CLASSPATH="$CLASSPATH:./classes/production/coherence-3.3.1" +CLASSPATH="$THIS_DIR/conf:$CLASSPATH" +#--classpath was set + +#additional JVM options +JVM_OPTIONS="$JVM_OPTIONS -Xmx2048m -Djava.net.preferIPv4Stack=true -Dtangosol.coherence.localhost=${MYTESTIP_1}" +JVM_OPTIONS="-Dtangosol.coherence.cacheconfig=cache-config.xml" +JVM_OPTIONS="$JVM_OPTIONS -DcacheBenchFwk.cacheWrapperClassName=org.cachebench.cachewrappers.Coherence331Wrapper" \ No newline at end of file Copied: benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/src/org/cachebench/cachewrappers/Coherence331Wrapper.java (from rev 6385, benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/src/org/cachebench/cachewrappers/CoherenceWrapper.java) =================================================================== --- benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/src/org/cachebench/cachewrappers/Coherence331Wrapper.java (rev 0) +++ benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/src/org/cachebench/cachewrappers/Coherence331Wrapper.java 2008-07-24 00:24:57 UTC (rev 6386) @@ -0,0 +1,77 @@ +package org.cachebench.cachewrappers; + +import org.cachebench.CacheWrapper; + +import java.util.List; +import java.util.Map; + +import com.tangosol.net.NamedCache; +import com.tangosol.net.CacheFactory; + +/** + * Pass in a -Dtangosol.coherence.localhost=IP_ADDRESS + * + * @author <a href="mailto:manik@jboss.org">Manik Surtani</a> + * @since 2.0.0 + */ +public class Coherence331Wrapper implements CacheWrapper +{ + + private NamedCache cache; + + public void init(Map parameters) throws Exception { + } + + public void setUp() throws Exception { + String configuraton = System.getProperty("cacheBenchFwk.cacheConfigFile"); + String trimmedConfig = configuraton.trim(); + if (trimmedConfig.indexOf("repl") == 0) + { + cache = CacheFactory.getCache("replicatedCache"); + } + if (trimmedConfig.indexOf("dist") == 0) + { + cache = CacheFactory.getCache("replicatedCache"); + } + throw new RuntimeException("Invalid configuration ('" + trimmedConfig + "'). Configuration name should start with: 'dist' or 'repl'"); + } + + public void tearDown() throws Exception { + cache.release(); + } + + public void put(List<String> path, Object key, Object value) throws Exception { + cache.put(pathAsString(path, key), value); + } + + public Object get(List<String> path, Object key) throws Exception { + return cache.get( pathAsString(path, key)); + } + + public void empty() throws Exception { + cache.clear(); + } + + public int getNumMembers() { + return cache.getCacheService().getCluster().getMemberSet().size(); + } + + public String getInfo() { + return null; + } + + public Object getReplicatedData(List<String> path, String key) throws Exception { + return get(path, key); + } + + private String pathAsString(List<String> path, Object key) + { + StringBuilder result = new StringBuilder(); + for (String element : path) + { + result.append(element); + } + result.append(key); + return result.toString(); + } +} Deleted: benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/src/org/cachebench/cachewrappers/CoherenceWrapper.java =================================================================== --- benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/src/org/cachebench/cachewrappers/CoherenceWrapper.java 2008-07-23 20:41:02 UTC (rev 6385) +++ benchmarks/benchmark-fwk/trunk/cache-products/coherence-3.3.1/src/org/cachebench/cachewrappers/CoherenceWrapper.java 2008-07-24 00:24:57 UTC (rev 6386) @@ -1,63 +0,0 @@ -package org.cachebench.cachewrappers; - -import com.tangosol.net.CacheFactory; -import com.tangosol.net.NamedCache; -import org.cachebench.CacheWrapper; - -import java.util.Map; - -/** - * Pass in a -Dtangosol.coherence.localhost=IP_ADDRESS - * - * @author <a href="mailto:manik@jboss.org">Manik Surtani</a> - * @since 2.0.0 - */ -public class CoherenceWrapper implements CacheWrapper -{ - NamedCache cache; - - public void init(Map parameters) throws Exception - { - cache = CacheFactory.getReplicatedCache(); -// cache = CacheFactory.getCache("VirtualCache"); - } - - public void setUp() throws Exception - { - } - - public void tearDown() throws Exception - { - cache.release(); - } - - public void put(List<String> path, Object key, Object value) throws Exception - { - cache.put(key, value); - } - - public Object get(List<String> path, Object key) throws Exception - { - return cache.get(key); - } - - public void empty() throws Exception - { - cache.clear(); - } - - public int getNumMembers() - { - return cache.getCacheService().getCluster().getMemberSet().size(); - } - - public String getInfo() - { - return cache.keySet().toString(); - } - - public Object getReplicatedData(List<String> path, String key) throws Exception - { - return get(path, key); - } -}

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JBoss Cache SVN: r6385 - in core/trunk/src/main/java/org/jboss/cache: util/concurrent and 1 other directory.

by jbosscache-commits＠lists.jboss.org

Author: manik.surtani(a)jboss.com Date: 2008-07-23 16:41:02 -0400 (Wed, 23 Jul 2008) New Revision: 6385 Added: core/trunk/src/main/java/org/jboss/cache/util/concurrent/SelfInitializingConcurrentHashMap.java Modified: core/trunk/src/main/java/org/jboss/cache/PessimisticUnversionedNode.java core/trunk/src/main/java/org/jboss/cache/UnversionedNode.java Log: lazy initialization of child map Modified: core/trunk/src/main/java/org/jboss/cache/PessimisticUnversionedNode.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/PessimisticUnversionedNode.java 2008-07-23 16:15:03 UTC (rev 6384) +++ core/trunk/src/main/java/org/jboss/cache/PessimisticUnversionedNode.java 2008-07-23 20:41:02 UTC (rev 6385) @@ -86,6 +86,7 @@ { PessimisticUnversionedNode<K, V> n = new PessimisticUnversionedNode<K, V>(fqn.getLastElement(), fqn, data, cache); copyInternals(n); + n.children = children; n.lockStrategyFactory = lockStrategyFactory; return n; } @@ -100,7 +101,7 @@ { synchronized (this) { - children().put(child.getFqn().getLastElement(), child); + children.put(child.getFqn().getLastElement(), child); } } else @@ -116,7 +117,7 @@ throw new IllegalArgumentException("null child name"); } - child = (NodeSPI<K, V>) children().get(childName); + child = (NodeSPI<K, V>) children.get(childName); InvocationContext ctx = cache.getInvocationContext(); if (createIfNotExists && child == null) { @@ -132,7 +133,7 @@ { // check again to see if the child exists // after acquiring exclusive lock - child = (NodeSPI<K, V>) children().get(childName); + child = (NodeSPI<K, V>) children.get(childName); if (child == null) { if (notify) cache.getNotifier().notifyNodeCreated(childFqn, true, ctx); Modified: core/trunk/src/main/java/org/jboss/cache/UnversionedNode.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/UnversionedNode.java 2008-07-23 16:15:03 UTC (rev 6384) +++ core/trunk/src/main/java/org/jboss/cache/UnversionedNode.java 2008-07-23 20:41:02 UTC (rev 6385) @@ -17,6 +17,7 @@ import org.jboss.cache.optimistic.DataVersion; import org.jboss.cache.transaction.GlobalTransaction; import org.jboss.cache.util.ImmutableSetCopy; +import org.jboss.cache.util.concurrent.SelfInitializingConcurrentHashMap; import java.util.Collections; import java.util.HashMap; @@ -24,7 +25,6 @@ import java.util.Map; import java.util.Set; import java.util.concurrent.ConcurrentHashMap; -import java.util.concurrent.ConcurrentMap; /** * Basic data node class. Throws {@link UnsupportedOperationException} for version-specific methods like {@link #getVersion()} and @@ -82,7 +82,15 @@ setLockForChildInsertRemove(lockForChildInsertRemove); this.fqn = fqn; // if this is a root node, create the child map. - if (fqn.isRoot()) children = new ConcurrentHashMap<Object, Node<K, V>>(64, .5f, 16); + if (fqn.isRoot()) + { + children = new ConcurrentHashMap<Object, Node<K, V>>(64, .5f, 16); + } + else + { + // this always needs to be initialized. The actual cost of the ConcurrentHashMap, however, is deferred. + children = new SelfInitializingConcurrentHashMap<Object, Node<K, V>>(); + } } public UnversionedNode(Fqn fqn, CacheSPI<K, V> cache, boolean lockForChildInsertRemove, Map<K, V> data) @@ -130,21 +138,6 @@ return cache.peek(fqn.getParent(), true); } - protected final ConcurrentMap<Object, Node<K, V>> children() - { - if (children == null) initChildMap(); - return children; - } - - private synchronized void initChildMap() - { - if (children == null) - { - // Fewer segments to save memory - children = new ConcurrentHashMap<Object, Node<K, V>>(4, .75f, 4); - } - } - // does not need to be synchronized since this will only be accessed by a single thread in MVCC thanks to the write lock. private void initDataMap() { @@ -202,14 +195,14 @@ throw new IllegalArgumentException("null child name"); } - child = (NodeSPI<K, V>) children().get(childName); + child = (NodeSPI<K, V>) children.get(childName); InvocationContext ctx = cache.getInvocationContext(); if (createIfNotExists && child == null) { Fqn childFqn = Fqn.fromRelativeElements(fqn, childName); NodeSPI<K, V> newChild = nodeFactory.createNode(childFqn, delegate); - child = (NodeSPI<K, V>) children().putIfAbsent(childName, newChild); + child = (NodeSPI<K, V>) children.putIfAbsent(childName, newChild); if (child == null) { @@ -349,7 +342,7 @@ Fqn childFqn = child.getFqn(); if (childFqn.isDirectChildOf(fqn)) { - children().put(childFqn.getLastElement(), child); + children.put(childFqn.getLastElement(), child); } else { @@ -449,7 +442,7 @@ this.children = null; else { - this.children().clear(); + this.children.clear(); this.children.putAll(children); } } @@ -500,7 +493,7 @@ { if (childName != null) { - children().put(childName, n); + children.put(childName, n); } } @@ -632,7 +625,7 @@ if (trace) log.trace("Marking node " + getFqn() + " as " + (valid ? "" : "in") + "valid"); if (recursive) { - for (Node<K, V> child : children().values()) + for (Node<K, V> child : children.values()) { ((NodeSPI<K, V>) child).setValid(valid, recursive); } @@ -661,7 +654,7 @@ protected void copyInternals(UnversionedNode n) { // direct reference to child map - n.children = children(); + n.children = children; n.commandsFactory = commandsFactory; n.delegate = delegate; n.nodeFactory = nodeFactory; Added: core/trunk/src/main/java/org/jboss/cache/util/concurrent/SelfInitializingConcurrentHashMap.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/util/concurrent/SelfInitializingConcurrentHashMap.java (rev 0) +++ core/trunk/src/main/java/org/jboss/cache/util/concurrent/SelfInitializingConcurrentHashMap.java 2008-07-23 20:41:02 UTC (rev 6385) @@ -0,0 +1,192 @@ +package org.jboss.cache.util.concurrent; + +import java.util.Collection; +import java.util.Collections; +import java.util.Map; +import java.util.Set; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; + +/** + * Primarily used to hold child maps for nodes. Underlying CHM is null initially, and once threads start + * writing to this map, the CHM is initialized. + * + * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik(a)jboss.org</a>) + * @since 3.0 + */ +public class SelfInitializingConcurrentHashMap<K, V> implements ConcurrentMap<K, V> +{ + private volatile ConcurrentMap<K, V> delegate; +// private int initialCapacity = -1, concurrencyLevel = -1; +// private float loadFactor = -1; + + /** + * Creates a new delegate map and will use a default constructor to initialize the {@link java.util.concurrent.ConcurrentMap} + * it will eventually delegate to. + */ + public SelfInitializingConcurrentHashMap() + { + + } + + /** + * Creates a new delegate map and will use the params passed in to initialize the {@link java.util.concurrent.ConcurrentMap} + * it will eventually delegate to. + * + * @param initialCapacity the initial capacity. The implementation + * performs internal sizing to accommodate this many elements. + * @param loadFactor the load factor threshold, used to control resizing. + * Resizing may be performed when the average number of elements per + * bin exceeds this threshold. + * @param concurrencyLevel the estimated number of concurrently + * updating threads. The implementation performs internal sizing + * to try to accommodate this many threads. + * @throws IllegalArgumentException if the initial capacity is + * negative or the load factor or concurrencyLevel are + * nonpositive. + */ +// public SelfInitializingConcurrentHashMap(int initialCapacity, float loadFactor, int concurrencyLevel) +// { +// this.initialCapacity = initialCapacity; +// this.loadFactor = loadFactor; +// this.concurrencyLevel = concurrencyLevel; +// } + + // -------------- initialization methods and helpers ---------------------- + private ConcurrentMap<K, V> getDelegate() + { + if (delegate == null) init(); + return delegate; + } + + private synchronized void init() + { + // Reminiscent of DCL but the delegate here is volatile so construction reordering should not affect. + if (delegate == null) + { + delegate = new ConcurrentHashMap<K, V>(4, 0.75f, 4); + // hard-coded for node child maps for now + +// if (initialCapacity == -1 || concurrencyLevel == -1 || loadFactor == -1) +// { +// delegate = new ConcurrentHashMap<K, V>(); +// } +// else +// { +// delegate = new ConcurrentHashMap<K, V>(initialCapacity, loadFactor, concurrencyLevel); +// } + } + } + + // -------------- Public API methods that will trigger initialization ---------------------- + + public final V put(K key, V value) + { + return getDelegate().put(key, value); + } + + public final V remove(Object key) + { + return getDelegate().remove(key); + } + + public final void putAll(Map<? extends K, ? extends V> m) + { + getDelegate().putAll(m); + } + + public final V putIfAbsent(K key, V value) + { + return getDelegate().putIfAbsent(key, value); + } + + public final boolean replace(K key, V oldValue, V newValue) + { + return getDelegate().replace(key, oldValue, newValue); + } + + public final V replace(K key, V value) + { + return getDelegate().replace(key, value); + } + + // -------------- Public API methods that won't trigger initialization ---------------------- + + public final boolean remove(Object key, Object value) + { + return delegate != null && delegate.remove(key, value); + } + + public final int size() + { + return delegate == null ? 0 : delegate.size(); + } + + public final boolean isEmpty() + { + return delegate == null || delegate.isEmpty(); + } + + public final boolean containsKey(Object key) + { + return delegate != null && delegate.containsKey(key); + } + + public final boolean containsValue(Object value) + { + return delegate != null && delegate.containsValue(value); + } + + public final V get(Object key) + { + return delegate == null ? null : delegate.get(key); + } + + public final void clear() + { + if (delegate != null) delegate.clear(); + } + + public final Set<K> keySet() + { + if (delegate == null) return Collections.emptySet(); + return delegate.keySet(); + } + + public final Collection<V> values() + { + if (delegate == null) return Collections.emptySet(); + return delegate.values(); + } + + public final Set<Entry<K, V>> entrySet() + { + if (delegate == null) return Collections.emptySet(); + return delegate.entrySet(); + } + + @Override + public String toString() + { + return "SelfInitializingConcurrentHashMap{" + + "delegate=" + delegate + + '}'; + } + + @Override + public boolean equals(Object o) + { + if (this == o) return true; + if (o == null || getClass() != o.getClass()) return false; + SelfInitializingConcurrentHashMap that = (SelfInitializingConcurrentHashMap) o; + return !(delegate != null ? !delegate.equals(that.delegate) : that.delegate != null); + } + + @Override + public int hashCode() + { + int result; + result = (delegate != null ? delegate.hashCode() : 0); + return result; + } +}

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JBoss Cache SVN: r6384 - core/trunk/src/main/java/org/jboss/cache/util.

by jbosscache-commits＠lists.jboss.org

Author: manik.surtani(a)jboss.com Date: 2008-07-23 12:15:03 -0400 (Wed, 23 Jul 2008) New Revision: 6384 Modified: core/trunk/src/main/java/org/jboss/cache/util/ImmutableMapCopy.java Log: Made inner class static Modified: core/trunk/src/main/java/org/jboss/cache/util/ImmutableMapCopy.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/util/ImmutableMapCopy.java 2008-07-23 16:06:20 UTC (rev 6383) +++ core/trunk/src/main/java/org/jboss/cache/util/ImmutableMapCopy.java 2008-07-23 16:15:03 UTC (rev 6384) @@ -66,7 +66,7 @@ return new ImmutableSetCopy<Map.Entry<K, V>>(table); } - private class ImmutableEntry<K, V> implements Map.Entry<K, V> + private static class ImmutableEntry<K, V> implements Map.Entry<K, V> { K k; V v;

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JBoss Cache SVN: r6383 - benchmarks/benchmark-fwk/trunk/conf.

by jbosscache-commits＠lists.jboss.org

Author: manik.surtani(a)jboss.com Date: 2008-07-23 12:06:20 -0400 (Wed, 23 Jul 2008) New Revision: 6383 Modified: benchmarks/benchmark-fwk/trunk/conf/log4j.xml Log: Reduce log level for products being tested Modified: benchmarks/benchmark-fwk/trunk/conf/log4j.xml =================================================================== --- benchmarks/benchmark-fwk/trunk/conf/log4j.xml 2008-07-23 16:03:13 UTC (rev 6382) +++ benchmarks/benchmark-fwk/trunk/conf/log4j.xml 2008-07-23 16:06:20 UTC (rev 6383) @@ -49,19 +49,19 @@ </category> <category name="net.sf.ehcache"> - <priority value="WARN"/> + <priority value="ERROR"/> </category> <category name="com.tc"> - <priority value="WARN"/> + <priority value="ERROR"/> </category> <category name="org.tc"> - <priority value="WARN"/> + <priority value="ERROR"/> </category> <category name="org.jboss.cache"> - <priority value="INFO"/> + <priority value="ERROR"/> </category>

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JBoss Cache SVN: r6382 - benchmarks/benchmark-fwk/trunk/cache-products/jbosscache-3.0.0/lib.

by jbosscache-commits＠lists.jboss.org

Author: manik.surtani(a)jboss.com Date: 2008-07-23 12:03:13 -0400 (Wed, 23 Jul 2008) New Revision: 6382 Modified: benchmarks/benchmark-fwk/trunk/cache-products/jbosscache-3.0.0/lib/jbosscache-core.jar Log: Modified: benchmarks/benchmark-fwk/trunk/cache-products/jbosscache-3.0.0/lib/jbosscache-core.jar =================================================================== (Binary files differ)

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JBoss Cache SVN: r6381 - in benchmarks/benchmark-fwk/trunk/cache-products: jbosscache-3.0.0/src/org/cachebench/cachewrappers and 1 other directory.

by jbosscache-commits＠lists.jboss.org

Author: manik.surtani(a)jboss.com Date: 2008-07-23 12:02:31 -0400 (Wed, 23 Jul 2008) New Revision: 6381 Modified: benchmarks/benchmark-fwk/trunk/cache-products/ehcache-1.5.0/src/org/cachebench/cachewrappers/EHCacheWrapper.java benchmarks/benchmark-fwk/trunk/cache-products/jbosscache-3.0.0/src/org/cachebench/cachewrappers/JBossCache300Wrapper.java Log: Fixed EHCache issues Modified: benchmarks/benchmark-fwk/trunk/cache-products/ehcache-1.5.0/src/org/cachebench/cachewrappers/EHCacheWrapper.java =================================================================== --- benchmarks/benchmark-fwk/trunk/cache-products/ehcache-1.5.0/src/org/cachebench/cachewrappers/EHCacheWrapper.java 2008-07-23 15:25:17 UTC (rev 6380) +++ benchmarks/benchmark-fwk/trunk/cache-products/ehcache-1.5.0/src/org/cachebench/cachewrappers/EHCacheWrapper.java 2008-07-23 16:02:31 UTC (rev 6381) @@ -29,12 +29,14 @@ private CacheManager manager; private Ehcache cache; private Log logger = LogFactory.getLog("org.cachebench.cachewrappers.EHCacheWrapper"); + boolean localmode; /* (non-Javadoc) * @see org.cachebench.CacheWrapper#init(java.util.Properties) */ public void init(Map parameters) throws Exception { + localmode = (Boolean.parseBoolean((String) parameters.get("localOnly"))); logger.debug("Initializing the cache with props " + parameters); URL url = getClass().getClassLoader().getResource((String) parameters.get("config")); logger.debug("Config URL = " + url); @@ -98,8 +100,11 @@ for (String s : manager.getCacheNames()) logger.info(" * " + s); cache = manager.getCache("cache"); logger.info("Using named cache " + cache); - logger.info("Bounded peers: " + manager.getCachePeerListener().getBoundCachePeers()); - logger.info("Remote peers: " + manager.getCacheManagerPeerProvider().listRemoteCachePeers(cache)); + if (!localmode) + { + logger.info("Bounded peers: " + manager.getCachePeerListener().getBoundCachePeers()); + logger.info("Remote peers: " + manager.getCacheManagerPeerProvider().listRemoteCachePeers(cache)); + } } /* (non-Javadoc) @@ -155,12 +160,13 @@ public int getNumMembers() { - return manager.getCacheManagerPeerProvider().listRemoteCachePeers(cache).size(); + + return localmode ? 0 : manager.getCacheManagerPeerProvider().listRemoteCachePeers(cache).size(); } public String getInfo() { - return cache.getKeys().toString() + " remote peers: " + manager.getCachePeerListener().getBoundCachePeers(); + return cache.getKeys().toString() + (localmode ? "" : (" remote peers: " + manager.getCachePeerListener().getBoundCachePeers())); } public Object getReplicatedData(List<String> path, String key) throws Exception Modified: benchmarks/benchmark-fwk/trunk/cache-products/jbosscache-3.0.0/src/org/cachebench/cachewrappers/JBossCache300Wrapper.java =================================================================== --- benchmarks/benchmark-fwk/trunk/cache-products/jbosscache-3.0.0/src/org/cachebench/cachewrappers/JBossCache300Wrapper.java 2008-07-23 15:25:17 UTC (rev 6380) +++ benchmarks/benchmark-fwk/trunk/cache-products/jbosscache-3.0.0/src/org/cachebench/cachewrappers/JBossCache300Wrapper.java 2008-07-23 16:02:31 UTC (rev 6381) @@ -24,8 +24,8 @@ log.info("Creating cache with the following configuration: " + parameters); cache = new DefaultCacheFactory().createCache((String) parameters.get("config")); log.info("Running cache with following config: " + cache.getConfiguration()); - log.info("Running follwing JBossCacheVersion: " + org.jboss.cache.Version.version); - log.info("Running follwing JBossCacheCodeName: " + org.jboss.cache.Version.codename); + log.info("Running following JBossCacheVersion: " + org.jboss.cache.Version.version); + log.info("Running following JBossCacheCodeName: " + org.jboss.cache.Version.codename); } public void setUp() throws Exception

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JBoss Cache SVN: r6380 - in core/branches/2.2.X/src: main/java/org/jboss/cache/buddyreplication and 4 other directories.

by jbosscache-commits＠lists.jboss.org

Author: manik.surtani(a)jboss.com Date: 2008-07-23 11:25:17 -0400 (Wed, 23 Jul 2008) New Revision: 6380 Added: core/branches/2.2.X/src/main/java/org/jboss/cache/util/ImmutableListCopy.java core/branches/2.2.X/src/main/java/org/jboss/cache/util/ImmutableSetCopy.java core/branches/2.2.X/src/test/java/org/jboss/cache/util/ImmutableListCopyTest.java Modified: core/branches/2.2.X/src/main/java/org/jboss/cache/Fqn.java core/branches/2.2.X/src/main/java/org/jboss/cache/UnversionedNode.java core/branches/2.2.X/src/main/java/org/jboss/cache/buddyreplication/BuddyFqnTransformer.java core/branches/2.2.X/src/main/java/org/jboss/cache/buddyreplication/BuddyGroup.java core/branches/2.2.X/src/main/java/org/jboss/cache/commands/remote/DataGravitationCleanupCommand.java core/branches/2.2.X/src/main/java/org/jboss/cache/invocation/CacheInvocationDelegate.java Log: Performance tweaks using custom immutable collections Modified: core/branches/2.2.X/src/main/java/org/jboss/cache/Fqn.java =================================================================== --- core/branches/2.2.X/src/main/java/org/jboss/cache/Fqn.java 2008-07-23 15:21:40 UTC (rev 6379) +++ core/branches/2.2.X/src/main/java/org/jboss/cache/Fqn.java 2008-07-23 15:25:17 UTC (rev 6380) @@ -10,6 +10,7 @@ import net.jcip.annotations.Immutable; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; +import org.jboss.cache.util.ImmutableListCopy; import java.io.Externalizable; import java.io.IOException; @@ -124,12 +125,7 @@ if (names != null) { // if not safe make a defensive copy - elements = safe ? names : new ArrayList(names); - if (elements.size() > 0) - { - if (SEPARATOR.equals(elements.get(0))) elements.remove(0); - if ("".equals(elements.get(0))) elements.remove(0); - } + elements = safe ? names : new ImmutableListCopy(names); size = elements.size(); } else @@ -142,10 +138,7 @@ @SuppressWarnings("unchecked") protected Fqn(boolean internalMarker, Fqn<?> base, List<?> relative) { - List elements = new ArrayList(base.elements.size() + relative.size()); - elements.addAll(base.elements); - elements.addAll(relative); - this.elements = elements; + elements = new ImmutableListCopy(base.elements, relative); size = elements.size(); } @@ -344,12 +337,12 @@ @SuppressWarnings("unchecked") public static Fqn<String> fromString(String stringRepresentation) { - if (stringRepresentation == null || stringRepresentation.equals(SEPARATOR)) - { - return ROOT; - } - List<String> elements = Arrays.asList(stringRepresentation.split("/")); - return new Fqn(true, elements, false); + if (stringRepresentation == null || stringRepresentation.equals(SEPARATOR) || stringRepresentation.equals("")) + return root(); + + String toMatch = stringRepresentation.startsWith(SEPARATOR) ? stringRepresentation.substring(1) : stringRepresentation; + Object[] el = toMatch.split("/"); + return new Fqn(new ImmutableListCopy(el), true); } /** @@ -554,6 +547,17 @@ } /** + * Returns true if this Fqn is a direct child of a given Fqn. + * + * @param parentFqn parentFqn to compare with + * @return true if this is a direct child, false otherwise. + */ + public boolean isDirectChildOf(Fqn parentFqn) + { + return size == parentFqn.size() - 1 && isChildOf(parentFqn); + } + + /** * Returns true if this Fqn is equals or the child of parentFqn. * Example usage: * <pre> Modified: core/branches/2.2.X/src/main/java/org/jboss/cache/UnversionedNode.java =================================================================== --- core/branches/2.2.X/src/main/java/org/jboss/cache/UnversionedNode.java 2008-07-23 15:21:40 UTC (rev 6379) +++ core/branches/2.2.X/src/main/java/org/jboss/cache/UnversionedNode.java 2008-07-23 15:25:17 UTC (rev 6380) @@ -16,7 +16,9 @@ import org.jboss.cache.marshall.MarshalledValue; import org.jboss.cache.optimistic.DataVersion; import org.jboss.cache.transaction.GlobalTransaction; +import org.jboss.cache.util.ImmutableSetCopy; +import java.util.Collection; import java.util.Collections; import java.util.HashMap; import java.util.HashSet; @@ -419,11 +421,12 @@ public void addChildDirect(NodeSPI child) { - if (child.getFqn().getParent().equals(getFqn())) + Fqn childFqn = child.getFqn(); + if (childFqn.isDirectChildOf(fqn)) { synchronized (this) { - children().put(child.getFqn().getLastElement(), child); + children().put(childFqn.getLastElement(), child); } } else @@ -490,7 +493,7 @@ { return Collections.emptySet(); } - return Collections.unmodifiableSet(new HashSet<Object>(data.keySet())); + return new ImmutableSetCopy(data.keySet()); } public boolean removeChildDirect(Object childName) @@ -643,7 +646,7 @@ { if (children != null && !children.isEmpty()) { - return Collections.unmodifiableSet(new HashSet(children.values())); + return new ImmutableSetCopy<NodeSPI>((Collection) children.values()); } else { Modified: core/branches/2.2.X/src/main/java/org/jboss/cache/buddyreplication/BuddyFqnTransformer.java =================================================================== --- core/branches/2.2.X/src/main/java/org/jboss/cache/buddyreplication/BuddyFqnTransformer.java 2008-07-23 15:21:40 UTC (rev 6379) +++ core/branches/2.2.X/src/main/java/org/jboss/cache/buddyreplication/BuddyFqnTransformer.java 2008-07-23 15:25:17 UTC (rev 6380) @@ -130,7 +130,7 @@ public boolean isDeadBackupRoot(Fqn f) { - return f.getParent().equals(BUDDY_BACKUP_SUBTREE_FQN) && f.getLastElementAsString().endsWith(":DEAD"); + return f.isDirectChildOf(BUDDY_BACKUP_SUBTREE_FQN) && f.getLastElementAsString().endsWith(":DEAD"); } public String getGroupNameFromAddress(Address address) Modified: core/branches/2.2.X/src/main/java/org/jboss/cache/buddyreplication/BuddyGroup.java =================================================================== --- core/branches/2.2.X/src/main/java/org/jboss/cache/buddyreplication/BuddyGroup.java 2008-07-23 15:21:40 UTC (rev 6379) +++ core/branches/2.2.X/src/main/java/org/jboss/cache/buddyreplication/BuddyGroup.java 2008-07-23 15:25:17 UTC (rev 6380) @@ -7,12 +7,11 @@ package org.jboss.cache.buddyreplication; import net.jcip.annotations.ThreadSafe; +import org.jboss.cache.util.ImmutableListCopy; import org.jgroups.Address; import java.io.Serializable; -import java.util.ArrayList; import java.util.Collection; -import java.util.Collections; import java.util.Date; import java.util.List; import java.util.Vector; @@ -66,7 +65,7 @@ public List<Address> getBuddies() { // defensive copy and immutable. - return Collections.unmodifiableList(new ArrayList<Address>(buddies)); + return new ImmutableListCopy<Address>(buddies); } protected void addBuddies(Collection<Address> buddies) Modified: core/branches/2.2.X/src/main/java/org/jboss/cache/commands/remote/DataGravitationCleanupCommand.java =================================================================== --- core/branches/2.2.X/src/main/java/org/jboss/cache/commands/remote/DataGravitationCleanupCommand.java 2008-07-23 15:21:40 UTC (rev 6379) +++ core/branches/2.2.X/src/main/java/org/jboss/cache/commands/remote/DataGravitationCleanupCommand.java 2008-07-23 15:25:17 UTC (rev 6380) @@ -84,7 +84,7 @@ // only attempt to clean up the backup if the primary did not exist - a waste of a call otherwise. Object result = executeRemove(gtx, backup); if (wasNodeRemoved(result) && - buddyFqnTransformer.isDeadBackupFqn(backup) && buddyFqnTransformer.isDeadBackupRoot(backup.getParent().getParent())) + buddyFqnTransformer.isDeadBackupFqn(backup) && buddyFqnTransformer.isDeadBackupRoot(backup.getAncestor(backup.size() - 2))) { // if this is a DIRECT child of a DEAD buddy backup region, then remove the empty dead region structural node. NodeSPI deadBackupRoot = dataContainer.peek(backup.getParent(), false); Modified: core/branches/2.2.X/src/main/java/org/jboss/cache/invocation/CacheInvocationDelegate.java =================================================================== --- core/branches/2.2.X/src/main/java/org/jboss/cache/invocation/CacheInvocationDelegate.java 2008-07-23 15:21:40 UTC (rev 6379) +++ core/branches/2.2.X/src/main/java/org/jboss/cache/invocation/CacheInvocationDelegate.java 2008-07-23 15:25:17 UTC (rev 6380) @@ -39,12 +39,12 @@ import org.jboss.cache.statetransfer.StateTransferManager; import org.jboss.cache.transaction.GlobalTransaction; import org.jboss.cache.transaction.TransactionTable; +import org.jboss.cache.util.ImmutableSetCopy; import org.jgroups.Address; import javax.transaction.Transaction; import javax.transaction.TransactionManager; import java.util.Collections; -import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.Set; @@ -560,7 +560,7 @@ GetChildrenNamesCommand command = commandsFactory.buildGetChildrenNamesCommand(fqn); Set<E> retval = (Set<E>) invoker.invoke(ctx, command); if (retval != null) - retval = Collections.unmodifiableSet(new HashSet<E>(retval)); + retval = new ImmutableSetCopy<E>(retval); else retval = Collections.emptySet(); return retval; Added: core/branches/2.2.X/src/main/java/org/jboss/cache/util/ImmutableListCopy.java =================================================================== --- core/branches/2.2.X/src/main/java/org/jboss/cache/util/ImmutableListCopy.java (rev 0) +++ core/branches/2.2.X/src/main/java/org/jboss/cache/util/ImmutableListCopy.java 2008-07-23 15:25:17 UTC (rev 6380) @@ -0,0 +1,426 @@ +package org.jboss.cache.util; + +import net.jcip.annotations.Immutable; + +import java.lang.reflect.Array; +import java.util.AbstractList; +import java.util.Collection; +import java.util.Iterator; +import java.util.List; +import java.util.ListIterator; +import java.util.NoSuchElementException; + +/** + * A lightweight, read-only copy of a List. Typically used in place of the common idiom: + * <code> + * return Collections.unmodifiableList(new ArrayList( myInternalList )); + * </code> + * + * a it is far more efficient than making a defensive copy and then wrapping the defensive copy in a read-only wrapper. + * + * Also used whenever a read-only reference List is needed (such as in Fqns). + * + * + * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik(a)jboss.org</a>) + */ +@Immutable +public class ImmutableListCopy<E> extends AbstractList<E> +{ + private final E[] elements; + private final int size; + + /** + * Only one copy constructor since the list is immutable. + * + * @param c collection to copy from + */ + @SuppressWarnings("unchecked") + public ImmutableListCopy(Collection<? extends E> c) + { + size = c.size(); + Object[] el = new Object[size]; // no room for growth; + el = c.toArray(el); + elements = (E[]) el; + } + + /** + * Assumes that the array passed in is "safe", i.e., is not referenced from elsewhere. Use with care! + * + * @param array to reference + */ + public ImmutableListCopy(E[] array) + { + size = array.length; + elements = array; + } + + /** + * Utility constructors to allow combining collections + * + * @param collection1 collection to copy from + * @param collection2 collection to copy from + */ + @SuppressWarnings("unchecked") + public ImmutableListCopy(Collection<? extends E> collection1, Collection<? extends E> collection2) + { + size = collection1.size() + collection2.size(); + elements = (E[]) new Object[size]; // no room for growth; + Object[] c1 = new Object[collection1.size()]; + Object[] c2 = new Object[collection2.size()]; + c1 = collection1.toArray(c1); + c2 = collection2.toArray(c2); + System.arraycopy(c1, 0, elements, 0, c1.length); + System.arraycopy(c2, 0, elements, c1.length, c2.length); + } + + @Override + public final int size() + { + return size; + } + + @Override + public final boolean isEmpty() + { + return size == 0; + } + + @Override + public final boolean contains(Object o) + { + return indexOf(o) >= 0; + } + + @Override + public final Iterator<E> iterator() + { + return new ImmutableIterator(); + } + + @Override + public final Object[] toArray() + { + Object[] result = new Object[size]; + System.arraycopy(elements, 0, result, 0, size); + return result; + } + + @Override + @SuppressWarnings("unchecked") + public final <T> T[] toArray(T[] a) + { + if (a.length < size) + { + a = (T[]) Array.newInstance(a.getClass().getComponentType(), size); + } + System.arraycopy(elements, 0, a, 0, size); + if (a.length > size) a[size] = null; + return a; + } + + @Override + public final boolean add(E o) + { + throw new UnsupportedOperationException(); + } + + @Override + public final boolean remove(Object o) + { + throw new UnsupportedOperationException(); + } + + @Override + public final boolean addAll(Collection<? extends E> c) + { + throw new UnsupportedOperationException(); + } + + @Override + public final boolean addAll(int index, Collection<? extends E> c) + { + throw new UnsupportedOperationException(); + } + + @Override + public final boolean removeAll(Collection<?> c) + { + throw new UnsupportedOperationException(); + } + + @Override + public final boolean retainAll(Collection<?> c) + { + throw new UnsupportedOperationException(); + } + + public final E get(int index) + { + assertIndexInRange(index); + return elements[index]; + } + + @Override + public final int indexOf(Object o) + { + if (o == null) + { + for (int i = 0; i < size; i++) + { + if (elements[i] == null) return i; + } + } + else + { + for (int i = 0; i < size; i++) + { + if (o.equals(elements[i])) return i; + } + } + return -1; + } + + @Override + public final int lastIndexOf(Object o) + { + if (o == null) + { + for (int i = size - 1; i >= 0; i--) + { + if (elements[i] == null) return i; + } + } + else + { + for (int i = size - 1; i >= 0; i--) + { + if (o.equals(elements[i])) return i; + } + } + return -1; + } + + @Override + public final ListIterator<E> listIterator() + { + return new ImmutableIterator(); + } + + @Override + public final ListIterator<E> listIterator(int index) + { + return new ImmutableIterator(index); + } + + @Override + public final List<E> subList(int fromIndex, int toIndex) + { + return new ImmutableSubList<E>(fromIndex, toIndex); + } + + private void assertIndexInRange(int index) + { + if (index >= size || index < 0) throw new IndexOutOfBoundsException("Index: " + index + ", Size: " + size); + } + + private class ImmutableIterator implements ListIterator<E> + { + int cursor = 0; + + ImmutableIterator(int index) + { + if (index < 0 || index > size()) throw new IndexOutOfBoundsException("Index: " + index); + cursor = index; + } + + ImmutableIterator() + { + } + + public boolean hasNext() + { + return cursor != size; + } + + public E next() + { + try + { + return get(cursor++); + } + catch (IndexOutOfBoundsException e) + { + throw new NoSuchElementException(); + } + } + + public void remove() + { + throw new UnsupportedOperationException(); + } + + public boolean hasPrevious() + { + return cursor != 0; + } + + public E previous() + { + try + { + return get(--cursor); + } + catch (IndexOutOfBoundsException e) + { + throw new NoSuchElementException(); + } + } + + public int nextIndex() + { + return cursor; + } + + public int previousIndex() + { + return cursor - 1; + } + + public void set(E o) + { + throw new UnsupportedOperationException(); + } + + public void add(E o) + { + throw new UnsupportedOperationException(); + } + } + + private class ImmutableSubList<E> extends AbstractList<E> + { + private int offset; + private int size; + + ImmutableSubList(int fromIndex, int toIndex) + { + assertIndexInRange(fromIndex); + assertIndexInRange(toIndex - 1); + if (fromIndex > toIndex) + throw new IllegalArgumentException("fromIndex(" + fromIndex + ") > toIndex(" + toIndex + ")"); + offset = fromIndex; + size = toIndex - fromIndex; + } + + @SuppressWarnings("unchecked") + public final E get(int index) + { + rangeCheck(index); + return (E) ImmutableListCopy.this.get(index + offset); + } + + private void rangeCheck(int index) + { + if (index < 0 || index >= size) throw new IndexOutOfBoundsException("Index: " + index + ",Size: " + size); + } + + public final int size() + { + return size; + } + + @Override + protected final void removeRange(int fromIndex, int toIndex) + { + throw new UnsupportedOperationException(); + } + + @Override + public final boolean addAll(Collection<? extends E> c) + { + throw new UnsupportedOperationException(); + } + + @Override + public final boolean addAll(int index, Collection<? extends E> c) + { + throw new UnsupportedOperationException(); + } + + @Override + public final Iterator<E> iterator() + { + return listIterator(); + } + + @Override + public final ListIterator<E> listIterator(final int index) + { + rangeCheck(index); + + return new ListIterator<E>() + { + private ListIterator i = ImmutableListCopy.this.listIterator(index + offset); + + public boolean hasNext() + { + return nextIndex() < size; + } + + @SuppressWarnings("unchecked") + public E next() + { + if (hasNext()) + return (E) i.next(); + else + throw new NoSuchElementException(); + } + + public boolean hasPrevious() + { + return previousIndex() >= 0; + } + + @SuppressWarnings("unchecked") + public E previous() + { + if (hasPrevious()) + return (E) i.previous(); + else + throw new NoSuchElementException(); + } + + public int nextIndex() + { + return i.nextIndex() - offset; + } + + public int previousIndex() + { + return i.previousIndex() - offset; + } + + public void remove() + { + throw new UnsupportedOperationException(); + } + + public void set(E o) + { + throw new UnsupportedOperationException(); + } + + public void add(E o) + { + throw new UnsupportedOperationException(); + } + }; + } + + @Override + public final List<E> subList(int fromIndex, int toIndex) + { + return new ImmutableSubList<E>(offset + fromIndex, offset + toIndex); + } + } +} Added: core/branches/2.2.X/src/main/java/org/jboss/cache/util/ImmutableSetCopy.java =================================================================== --- core/branches/2.2.X/src/main/java/org/jboss/cache/util/ImmutableSetCopy.java (rev 0) +++ core/branches/2.2.X/src/main/java/org/jboss/cache/util/ImmutableSetCopy.java 2008-07-23 15:25:17 UTC (rev 6380) @@ -0,0 +1,108 @@ +package org.jboss.cache.util; + +import net.jcip.annotations.Immutable; + +import java.util.AbstractSet; +import java.util.Collection; +import java.util.Iterator; +import java.util.NoSuchElementException; + +/** + * This is based on an ImmutableListCopy, with the assumption that the set passed in would ensure uniqueness of elements. + * + * The constructor takes in a collection so the onus is on the caller to ensure that the collection passed in adheres to + * Set semantics. + * + * Typically used in place of the common idiom: + * <code> + * return Collections.unmodifiableSet(new HashSet( myInternalSet )); + * </code> + * + * @author Manik Surtani (<a href="mailto:manik@jboss.org">manik(a)jboss.org</a>) + * @see org.jboss.cache.util.ImmutableListCopy + */ +@Immutable +public class ImmutableSetCopy<E> extends AbstractSet<E> +{ + private final E[] elements; + private final int size; + + @SuppressWarnings("unchecked") + public ImmutableSetCopy(Collection<E> set) + { + size = set.size(); + E[] tempElements = (E[]) new Object[size]; // no room for growth + elements = set.toArray(tempElements); + } + + /** + * Assumes that the array passed in is "safe", i.e., is not referenced from elsewhere. Also assumes the array contains + * elements such that the uniqueness required by a set is adhered to. Use with care! + * + * @param array to reference + */ + public ImmutableSetCopy(E[] array) + { + elements = array; + size = elements.length; + } + + @Override + public boolean remove(Object o) + { + throw new UnsupportedOperationException(); + } + + @Override + public boolean addAll(Collection<? extends E> c) + { + throw new UnsupportedOperationException(); + } + + @Override + public boolean retainAll(Collection<?> c) + { + throw new UnsupportedOperationException(); + } + + @Override + public boolean removeAll(Collection<?> c) + { + throw new UnsupportedOperationException(); + } + + @Override + public void clear() + { + throw new UnsupportedOperationException(); + } + + public Iterator<E> iterator() + { + return new Iterator<E>() + { + int cursor = 0; + + public boolean hasNext() + { + return cursor < size; + } + + public E next() + { + if (cursor >= size) throw new NoSuchElementException(); + return elements[cursor++]; + } + + public void remove() + { + throw new UnsupportedOperationException(); + } + }; + } + + public int size() + { + return size; + } +} Added: core/branches/2.2.X/src/test/java/org/jboss/cache/util/ImmutableListCopyTest.java =================================================================== --- core/branches/2.2.X/src/test/java/org/jboss/cache/util/ImmutableListCopyTest.java (rev 0) +++ core/branches/2.2.X/src/test/java/org/jboss/cache/util/ImmutableListCopyTest.java 2008-07-23 15:25:17 UTC (rev 6380) @@ -0,0 +1,144 @@ +package org.jboss.cache.util; + +import org.testng.annotations.Test; + +import java.util.Arrays; +import java.util.Collections; +import java.util.List; +import java.util.ListIterator; + +@Test(groups = "unit") +public class ImmutableListCopyTest +{ + public void testImmutability() + { + List<String> l = new ImmutableListCopy<String>(Collections.singletonList("one")); + try + { + l.add("two"); + assert false; + } + catch (UnsupportedOperationException good) + { + + } + + try + { + l.remove(0); + assert false; + } + catch (UnsupportedOperationException good) + { + + } + + try + { + l.clear(); + assert false; + } + catch (UnsupportedOperationException good) + { + + } + + try + { + l.add(0, "x"); + assert false; + } + catch (UnsupportedOperationException good) + { + + } + + try + { + l.set(0, "i"); + assert false; + } + catch (UnsupportedOperationException good) + { + + } + + try + { + l.addAll(Collections.singletonList("l")); + assert false; + } + catch (UnsupportedOperationException good) + { + + } + + try + { + l.addAll(0, Collections.singletonList("l")); + assert false; + } + catch (UnsupportedOperationException good) + { + + } + + try + { + l.removeAll(Collections.singletonList("l")); + assert false; + } + catch (UnsupportedOperationException good) + { + + } + + try + { + l.retainAll(Collections.singletonList("l")); + assert false; + } + catch (UnsupportedOperationException good) + { + + } + + try + { + l.iterator().remove(); + assert false; + } + catch (UnsupportedOperationException good) + { + + } + + try + { + l.listIterator().set("w"); + assert false; + } + catch (UnsupportedOperationException good) + { + + } + } + + public void testListIterator() + { + List<Integer> ints = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10); + + List<Integer> list = new ImmutableListCopy<Integer>(ints); + + ListIterator<Integer> li = list.listIterator(); + + int number = 1; + while (li.hasNext()) assert li.next() == number++; + assert number == 11; + + number = 10; + li = list.listIterator(list.size()); + while (li.hasPrevious()) assert li.previous() == number--; + assert number == 0; + } +}

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JBoss Cache SVN: r6379 - core/trunk/src/main/java/org/jboss/cache.

by jbosscache-commits＠lists.jboss.org

Author: manik.surtani(a)jboss.com Date: 2008-07-23 11:21:40 -0400 (Wed, 23 Jul 2008) New Revision: 6379 Modified: core/trunk/src/main/java/org/jboss/cache/Fqn.java Log: removed tmp assertion Modified: core/trunk/src/main/java/org/jboss/cache/Fqn.java =================================================================== --- core/trunk/src/main/java/org/jboss/cache/Fqn.java 2008-07-23 15:00:08 UTC (rev 6378) +++ core/trunk/src/main/java/org/jboss/cache/Fqn.java 2008-07-23 15:21:40 UTC (rev 6379) @@ -113,7 +113,6 @@ { if (names != null) { - assertNoWhiteSpace(names); // if not safe make a defensive copy elements = safe ? names : new ImmutableListCopy<Object>(names); size = elements.size(); @@ -125,12 +124,6 @@ } } - private void assertNoWhiteSpace(List<Object> l) - { - if (l.contains("") || l.contains(SEPARATOR)) - throw new IllegalArgumentException("Fqn list cannot contain whitespace or the [" + SEPARATOR + "] character!"); - } - protected Fqn(Fqn base, List<Object> relative) { elements = new ImmutableListCopy<Object>(base.elements, relative);

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