[dna-commits] DNA SVN: r219 - in branches/federation: connectors and 16 other directories.

Author: rhauch Date: 2008-06-02 12:45:45 -0400 (Mon, 02 Jun 2008) New Revision: 219 Added: branches/federation/connectors/ branches/federation/connectors/dna-connector-jbosscache/ branches/federation/connectors/dna-connector-jbosscache/.classpath branches/federation/connectors/dna-connector-jbosscache/.project branches/federation/connectors/dna-connector-jbosscache/pom.xml branches/federation/connectors/dna-connector-jbosscache/src/ branches/federation/connectors/dna-connector-jbosscache/src/main/ branches/federation/connectors/dna-connector-jbosscache/src/main/java/ branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/ branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/ branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/dna/ branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/dna/connector/ branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/dna/connector/jbosscache/ branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/dna/connector/jbosscache/JBossCacheConnection.java branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/dna/connector/jbosscache/JBossCacheConnectorI18n.java branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/dna/connector/jbosscache/JBossCacheSource.java branches/federation/connectors/dna-connector-jbosscache/src/main/resources/ branches/federation/connectors/dna-connector-jbosscache/src/main/resources/org/ branches/federation/connectors/dna-connector-jbosscache/src/main/resources/org/jboss/ branches/federation/connectors/dna-connector-jbosscache/src/main/resources/org/jboss/dna/ branches/federation/connectors/dna-connector-jbosscache/src/main/resources/org/jboss/dna/connector/ branches/federation/connectors/dna-connector-jbosscache/src/main/resources/org/jboss/dna/connector/jbosscache/ branches/federation/connectors/dna-connector-jbosscache/src/main/resources/org/jboss/dna/connector/jbosscache/JBossCacheConnectorI18n.properties branches/federation/connectors/dna-connector-jbosscache/src/test/ branches/federation/connectors/dna-connector-jbosscache/src/test/java/ branches/federation/connectors/dna-connector-jbosscache/src/test/resources/ Modified: branches/federation/pom.xml Log: Added JBoss Cache connector project Property changes on: branches/federation/connectors/dna-connector-jbosscache ___________________________________________________________________ Name: svn:ignore + target Added: branches/federation/connectors/dna-connector-jbosscache/.classpath =================================================================== --- branches/federation/connectors/dna-connector-jbosscache/.classpath (rev 0) +++ branches/federation/connectors/dna-connector-jbosscache/.classpath 2008-06-02 16:45:45 UTC (rev 219) @@ -0,0 +1,10 @@ +<?xml version="1.0" encoding="UTF-8"?> +<classpath> + <classpathentry kind="src" path="src/main/java"/> + <classpathentry kind="src" path="src/main/resources"/> + <classpathentry kind="src" output="target/test-classes" path="src/test/java"/> + <classpathentry kind="src" output="target/test-classes" path="src/test/resources"/> + <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/> + <classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/> + <classpathentry kind="output" path="target/classes"/> +</classpath> Added: branches/federation/connectors/dna-connector-jbosscache/.project =================================================================== --- branches/federation/connectors/dna-connector-jbosscache/.project (rev 0) +++ branches/federation/connectors/dna-connector-jbosscache/.project 2008-06-02 16:45:45 UTC (rev 219) @@ -0,0 +1,23 @@ +<?xml version="1.0" encoding="UTF-8"?> +<projectDescription> + <name>dna-connector-jbosscache</name> + <comment></comment> + <projects> + </projects> + <buildSpec> + <buildCommand> + <name>org.maven.ide.eclipse.maven2Builder</name> + <arguments> + </arguments> + </buildCommand> + <buildCommand> + <name>org.eclipse.jdt.core.javabuilder</name> + <arguments> + </arguments> + </buildCommand> + </buildSpec> + <natures> + <nature>org.eclipse.jdt.core.javanature</nature> + <nature>org.maven.ide.eclipse.maven2Nature</nature> + </natures> +</projectDescription> Added: branches/federation/connectors/dna-connector-jbosscache/pom.xml =================================================================== --- branches/federation/connectors/dna-connector-jbosscache/pom.xml (rev 0) +++ branches/federation/connectors/dna-connector-jbosscache/pom.xml 2008-06-02 16:45:45 UTC (rev 219) @@ -0,0 +1,100 @@ +<?xml version="1.0" encoding="UTF-8"?> +<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> + <modelVersion>4.0.0</modelVersion> + <parent> + <groupId>org.jboss.dna</groupId> + <artifactId>dna</artifactId> + <version>0.2-SNAPSHOT</version> + <relativePath>../..</relativePath> + </parent> + <!-- The groupId and version values are inherited from parent --> + <artifactId>dna-connector-jbosscache</artifactId> + <packaging>jar</packaging> + <name>JBoss DNA Connector to JBoss Cache</name> + <description>JBoss DNA Connector that accesses an in-process JBoss Cache instance.</description> + <url>http://labs.jboss.org/dna</url> + + <properties> + <dna-version>0.2-SNAPSHOT</dna-version> + </properties> + <!-- + Define the dependencies. Note that all version and scopes default to those + defined in the dependencyManagement section of the parent pom. + --> + <dependencies> + <!-- + Common + --> + <dependency> + <groupId>org.jboss.dna</groupId> + <artifactId>dna-common</artifactId> + </dependency> + <dependency> + <groupId>org.jboss.dna</groupId> + <artifactId>dna-spi</artifactId> + </dependency> + <dependency> + <groupId>org.jboss.dna</groupId> + <artifactId>dna-common</artifactId> + <version>${dna-version}</version> + <type>test-jar</type> + <scope>test</scope> + </dependency> + <dependency> + <groupId>org.jboss.dna</groupId> + <artifactId>dna-spi</artifactId> + <version>${dna-version}</version> + <type>test-jar</type> + <scope>test</scope> + </dependency> + <!-- + JBoss Cache + --> + <dependency> + <groupId>org.jboss.cache</groupId> + <artifactId>jbosscache-core</artifactId> + <version>2.2.0.CR1</version> + </dependency> + <!-- + Testing (note the scope) + --> + <dependency> + <groupId>junit</groupId> + <artifactId>junit</artifactId> + </dependency> + <dependency> + <groupId>org.hamcrest</groupId> + <artifactId>hamcrest-library</artifactId> + </dependency> + <!-- + Logging (require SLF4J API for compiling, but use Log4J and its SLF4J binding for testing) + --> + <dependency> + <groupId>org.slf4j</groupId> + <artifactId>slf4j-api</artifactId> + </dependency> + <dependency> + <groupId>org.slf4j</groupId> + <artifactId>slf4j-log4j12</artifactId> + </dependency> + <dependency> + <groupId>log4j</groupId> + <artifactId>log4j</artifactId> + </dependency> + <!-- + Java Concurrency in Practice annotations + --> + <dependency> + <groupId>net.jcip</groupId> + <artifactId>jcip-annotations</artifactId> + </dependency> + </dependencies> + <reporting> + <plugins> + <plugin> + <groupId>org.apache.maven.plugins</groupId> + <artifactId>maven-surefire-report-plugin</artifactId> + </plugin> + </plugins> + </reporting> +</project> \ No newline at end of file Added: branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/dna/connector/jbosscache/JBossCacheConnection.java =================================================================== --- branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/dna/connector/jbosscache/JBossCacheConnection.java (rev 0) +++ branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/dna/connector/jbosscache/JBossCacheConnection.java 2008-06-02 16:45:45 UTC (rev 219) @@ -0,0 +1,323 @@ +/* + * JBoss, Home of Professional Open Source. + * Copyright 2008, 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.dna.connector.jbosscache; + +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.UUID; +import java.util.concurrent.TimeUnit; +import javax.transaction.xa.XAResource; +import org.jboss.cache.Cache; +import org.jboss.cache.Fqn; +import org.jboss.cache.Node; +import org.jboss.dna.spi.graph.Name; +import org.jboss.dna.spi.graph.Path; +import org.jboss.dna.spi.graph.Property; +import org.jboss.dna.spi.graph.Path.Segment; +import org.jboss.dna.spi.graph.commands.ActsOnPath; +import org.jboss.dna.spi.graph.commands.CopyBranchCommand; +import org.jboss.dna.spi.graph.commands.CopyNodeCommand; +import org.jboss.dna.spi.graph.commands.CreateNodeCommand; +import org.jboss.dna.spi.graph.commands.DeleteBranchCommand; +import org.jboss.dna.spi.graph.commands.GetChildrenCommand; +import org.jboss.dna.spi.graph.commands.GetPropertiesCommand; +import org.jboss.dna.spi.graph.commands.GraphCommand; +import org.jboss.dna.spi.graph.commands.MoveBranchCommand; +import org.jboss.dna.spi.graph.commands.SetPropertiesCommand; +import org.jboss.dna.spi.graph.connection.ExecutionEnvironment; +import org.jboss.dna.spi.graph.connection.RepositoryConnection; +import org.jboss.dna.spi.graph.connection.RepositorySourceException; +import org.jboss.dna.spi.graph.connection.RepositorySourceListener; + +/** + * @author Randall Hauch + */ +public class JBossCacheConnection implements RepositoryConnection { + + protected static final RepositorySourceListener NO_OP_LISTENER = new RepositorySourceListener() { + + /** + * {@inheritDoc} + */ + public void notify( String sourceName, Object... events ) { + // do nothing + } + }; + + private boolean initializedUuidPropertyName = false; + private Name uuidPropertyName; + private final JBossCacheSource source; + private final Cache<Name, Object> cache; + private RepositorySourceListener listener = NO_OP_LISTENER; + + /** + * + */ + /* package */JBossCacheConnection( JBossCacheSource source, Cache<Name, Object> cache ) { + assert source != null; + assert cache != null; + this.source = source; + this.cache = cache; + } + + /** + * @return uuidPropertyName + */ + public Name getUuidPropertyName() { + return this.uuidPropertyName; + } + + /** + * {@inheritDoc} + */ + public String getSourceName() { + return source.getName(); + } + + /** + * {@inheritDoc} + */ + public XAResource getXAResource() { + return null; + } + + /** + * {@inheritDoc} + */ + public boolean ping( long time, TimeUnit unit ) { + this.cache.getRoot(); + return true; + } + + /** + * {@inheritDoc} + */ + public void setListener( RepositorySourceListener listener ) { + this.listener = listener != null ? listener : NO_OP_LISTENER; + } + + /** + * {@inheritDoc} + */ + public void close() { + // do nothing + } + + /** + * {@inheritDoc} + */ + public void execute( ExecutionEnvironment env, GraphCommand... commands ) throws RepositorySourceException { + // Set up the workspace ... + + // Now execute the commands ... + for (GraphCommand command : commands) { + // This node reference is available for any command that extends ActsOnPath ... + Node<Name, Object> node = null; + + // First, process the commands that create a new node ... + if (command instanceof CreateNodeCommand) { + CreateNodeCommand theCommand = (CreateNodeCommand)command; + Path path = theCommand.getPath(); + Path parent = path.getAncestor(); + Fqn<Segment> childFqn = getFullyQualifiedName(path.getLastSegment()); + // Look up the parent node, which must exist ... + Node<Name, Object> parentNode = getNode(env, parent); + node = parentNode.addChild(childFqn); + // Add the UUID property (if required), which may be overwritten by a supplied property ... + Name uuidPropertyName = getUuidProperty(env); + if (uuidPropertyName != null) { + node.put(uuidPropertyName, generateUuid()); + } + // Now add the properties to the supplied node ... + for (Property property : theCommand.getProperties()) { + if (property.size() == 0) continue; + Name propName = property.getName(); + Object value = null; + if (property.size() == 1) { + value = property.iterator().next(); + } else { + value = property.getValuesAsArray(); + } + node.put(propName, value); + } + assert node != null; + } + + // Otherwise, check whether the command is applies to a path; all the remaining commands + // that do so expect the node to exist ... + else if (command instanceof ActsOnPath) { + ActsOnPath theCommand = (ActsOnPath)command; + Path path = theCommand.getPath(); + // Look up the node with the supplied path ... + node = getNode(env, path); + assert node != null; + } + + if (command instanceof GetChildrenCommand) { + GetChildrenCommand theCommand = (GetChildrenCommand)command; + assert command instanceof ActsOnPath; + assert node != null; + // Get the names of the children ... + List<Segment> childSegments = new ArrayList<Segment>(); + for (Node<Name, Object> child : node.getChildren()) { + childSegments.add((Segment)child.getFqn().getLastElement()); + } + theCommand.setChildren(childSegments); + + } + if (command instanceof GetPropertiesCommand) { + GetPropertiesCommand theCommand = (GetPropertiesCommand)command; + assert command instanceof ActsOnPath; + assert node != null; + Map<Name, Object> dataMap = node.getData(); + for (Map.Entry<Name, Object> data : dataMap.entrySet()) { + Name propertyName = data.getKey(); + Object values = data.getValue(); + theCommand.setProperty(propertyName, values); + } + } + if (command instanceof SetPropertiesCommand) { + SetPropertiesCommand theCommand = (SetPropertiesCommand)command; + assert command instanceof ActsOnPath; + assert node != null; + // Now set (or remove) the properties to the supplied node ... + for (Property property : theCommand.getProperties()) { + Name propName = property.getName(); + if (property.size() == 0) { + node.remove(propName); + continue; + } + Object value = null; + if (property.size() == 1) { + value = property.iterator().next(); + } else { + value = property.getValuesAsArray(); + } + node.put(propName, value); + } + } + if (command instanceof DeleteBranchCommand) { + assert command instanceof ActsOnPath; + assert node != null; + node.getParent().removeChild(node.getFqn().getLastElement()); + } + if (command instanceof CopyNodeCommand) { + CopyNodeCommand theCommand = (CopyNodeCommand)command; + boolean recursive = command instanceof CopyBranchCommand; + // Look up the new parent, which must exist ... + Path newPath = theCommand.getNewPath(); + Node<Name, Object> newParent = getNode(env, newPath.getAncestor()); + copyNode(node, newParent, recursive, null); + } + if (command instanceof MoveBranchCommand) { + MoveBranchCommand theCommand = (MoveBranchCommand)command; + assert command instanceof ActsOnPath; + assert node != null; + boolean recursive = true; + Name uuidProperty = getUuidProperty(env); + // Look up the new parent, which must exist ... + Path newPath = theCommand.getNewPath(); + Node<Name, Object> newParent = getNode(env, newPath.getAncestor()); + copyNode(node, newParent, recursive, uuidProperty); + // Now delete the old node ... + Node<Name, Object> oldParent = node.getParent(); + boolean removed = oldParent.removeChild(node.getFqn().getLastElement()); + assert removed; + } + } + } + + /** + * @return listener + */ + protected RepositorySourceListener getListener() { + return this.listener; + } + + /** + * Utility method to calculate (if required) and obtain the name that should be used to store the UUID values for each node. + * This method may be called without regard to synchronization, since it should return the same value if it happens to be + * called concurrently while not yet initialized. + * + * @param env the environment + * @return the name, or null if the UUID should not be stored + */ + protected Name getUuidProperty( ExecutionEnvironment env ) { + if (!initializedUuidPropertyName) { + this.uuidPropertyName = this.source.getUuidPropertyName(env.getValueFactories().getNameFactory()); + initializedUuidPropertyName = true; + } + return this.uuidPropertyName; + } + + protected Fqn<Path.Segment> getFullyQualifiedName( Path path ) { + return Fqn.fromList(path.getSegmentsList()); + } + + /** + * Get a relative fully-qualified name that consists only of the supplied segment. + * + * @param pathSegment the segment from which the fully qualified name is to be created + * @return the relative fully-qualified name + */ + protected Fqn<Path.Segment> getFullyQualifiedName( Path.Segment pathSegment ) { + return Fqn.fromElements(pathSegment); + } + + protected Node<Name, Object> getNode( ExecutionEnvironment env, Path path ) { + // Look up the node with the supplied path ... + Fqn<Segment> fqn = getFullyQualifiedName(path); + Node<Name, Object> node = cache.getNode(fqn); + if (node == null) { + String nodePath = path.getString(env.getNamespaceRegistry()); + throw new RepositorySourceException(getSourceName(), JBossCacheConnectorI18n.nodeDoesNotExist.text(nodePath)); + } + return node; + + } + + protected UUID generateUuid() { + return UUID.randomUUID(); + } + + protected int copyNode( Node<Name, Object> original, Node<Name, Object> newParent, boolean recursive, Name uuidProperty ) { + // Get or create the new node ... + Segment name = (Segment)original.getFqn().getLastElement(); + Node<Name, Object> copy = newParent.addChild(getFullyQualifiedName(name)); + // Copy the properties ... + copy.clearData(); + copy.putAll(original.getData()); + if (uuidProperty != null) { + // Generate a new UUID for the new node ... + copy.put(uuidProperty, generateUuid()); + } + int numNodesCopied = 1; + if (recursive) { + // Loop over each child and call this method ... + for (Node<Name, Object> child : original.getChildren()) { + numNodesCopied += copyNode(child, copy, true, uuidProperty); + } + } + return numNodesCopied; + } +} Added: branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/dna/connector/jbosscache/JBossCacheConnectorI18n.java =================================================================== --- branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/dna/connector/jbosscache/JBossCacheConnectorI18n.java (rev 0) +++ branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/dna/connector/jbosscache/JBossCacheConnectorI18n.java 2008-06-02 16:45:45 UTC (rev 219) @@ -0,0 +1,55 @@ +/* + * JBoss, Home of Professional Open Source. + * Copyright 2008, 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.dna.connector.jbosscache; + +import java.util.Locale; +import java.util.Set; +import org.jboss.dna.common.i18n.I18n; + +/** + * @author Randall Hauch + */ +public final class JBossCacheConnectorI18n { + + public static I18n connectorName; + public static I18n nodeDoesNotExist; + + static { + try { + I18n.initialize(JBossCacheConnectorI18n.class); + } catch (final Exception err) { + System.err.println(err); + } + } + + public static Set<Locale> getLocalizationProblemLocales() { + return I18n.getLocalizationProblemLocales(JBossCacheConnectorI18n.class); + } + + public static Set<String> getLocalizationProblems() { + return I18n.getLocalizationProblems(JBossCacheConnectorI18n.class); + } + + public static Set<String> getLocalizationProblems( Locale locale ) { + return I18n.getLocalizationProblems(JBossCacheConnectorI18n.class, locale); + } +} Added: branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/dna/connector/jbosscache/JBossCacheSource.java =================================================================== --- branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/dna/connector/jbosscache/JBossCacheSource.java (rev 0) +++ branches/federation/connectors/dna-connector-jbosscache/src/main/java/org/jboss/dna/connector/jbosscache/JBossCacheSource.java 2008-06-02 16:45:45 UTC (rev 219) @@ -0,0 +1,316 @@ +/* + * JBoss, Home of Professional Open Source. + * Copyright 2008, 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.dna.connector.jbosscache; + +import java.util.Collections; +import java.util.Hashtable; +import java.util.Set; +import java.util.UUID; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentMap; +import java.util.concurrent.atomic.AtomicInteger; +import java.util.concurrent.locks.Lock; +import java.util.concurrent.locks.ReadWriteLock; +import java.util.concurrent.locks.ReentrantReadWriteLock; +import javax.naming.Context; +import javax.naming.InitialContext; +import javax.naming.NamingException; +import javax.naming.RefAddr; +import javax.naming.Reference; +import javax.naming.StringRefAddr; +import javax.naming.spi.ObjectFactory; +import net.jcip.annotations.GuardedBy; +import net.jcip.annotations.ThreadSafe; +import org.jboss.cache.Cache; +import org.jboss.cache.CacheFactory; +import org.jboss.cache.DefaultCacheFactory; +import org.jboss.dna.common.util.ArgCheck; +import org.jboss.dna.spi.cache.CachePolicy; +import org.jboss.dna.spi.graph.Name; +import org.jboss.dna.spi.graph.NameFactory; +import org.jboss.dna.spi.graph.connection.RepositoryConnection; +import org.jboss.dna.spi.graph.connection.RepositorySource; +import org.jboss.dna.spi.graph.connection.RepositorySourceException; + +/** + * @author Randall Hauch + */ +@ThreadSafe +public class JBossCacheSource implements RepositorySource, ObjectFactory { + + public static final String DEFAULT_UUID_PROPERTY_NAMESPACE = "http://www.jboss.org/dna/connector/jbosscache"; + public static final String DEFAULT_UUID_PROPERTY_NAME = "uuid"; + + private static final ConcurrentMap<String, JBossCacheSource> sources = new ConcurrentHashMap<String, JBossCacheSource>(); + private static final ReadWriteLock sourcesLock = new ReentrantReadWriteLock(); + + /** + * Get the names of the in-memory repository sources that are currently registered + * + * @return the unmodifiable set of names + */ + public static Set<String> getSourceNames() { + Lock lock = sourcesLock.readLock(); + try { + lock.lock(); + return Collections.unmodifiableSet(sources.keySet()); + } finally { + lock.unlock(); + } + } + + /** + * Get the source with the supplied name. + * + * @param name the name + * @return the source, or null if there is no source with the supplied name + */ + public static JBossCacheSource getSource( String name ) { + Lock lock = sourcesLock.readLock(); + try { + lock.lock(); + return sources.get(name); + } finally { + lock.unlock(); + } + } + + @GuardedBy( "sourcesLock" ) + private String name; + @GuardedBy( "this" ) + private String jndiName; + private final AtomicInteger retryLimit = new AtomicInteger(0); + private UUID rootNodeUuid = UUID.randomUUID(); + private CachePolicy defaultCachePolicy; + private String cacheConfigurationName; + private String uuidPropertyName = DEFAULT_UUID_PROPERTY_NAME; + private String uuidPropertyNamespaceUri = DEFAULT_UUID_PROPERTY_NAMESPACE; + private transient Cache<Name, Object> cache; + + /** + * Create a repository source instance. + */ + public JBossCacheSource() { + } + + /** + * {@inheritDoc} + */ + public CachePolicy getDefaultCachePolicy() { + return defaultCachePolicy; + } + + /** + * @param defaultCachePolicy Sets defaultCachePolicy to the specified value. + */ + public void setDefaultCachePolicy( CachePolicy defaultCachePolicy ) { + this.defaultCachePolicy = defaultCachePolicy; + } + + /** + * @return rootNodeUuid + */ + public UUID getRootNodeUuid() { + return this.rootNodeUuid; + } + + /** + * @param rootNodeUuid Sets rootNodeUuid to the specified value. + */ + public void setRootNodeUuid( UUID rootNodeUuid ) { + this.rootNodeUuid = rootNodeUuid != null ? rootNodeUuid : UUID.randomUUID(); + } + + /** + * @return uuidPropertyName + */ + public String getUuidPropertyName() { + return this.uuidPropertyName; + } + + /** + * @param uuidPropertyName Sets uuidPropertyName to the specified value. + */ + public synchronized void setUuidPropertyName( String uuidPropertyName ) { + this.uuidPropertyName = uuidPropertyName != null ? uuidPropertyName.trim() : DEFAULT_UUID_PROPERTY_NAME; + } + + /** + * @return uuidPropertyNamespaceUri + */ + public String getUuidPropertyNamespaceUri() { + return this.uuidPropertyNamespaceUri; + } + + /** + * @param uuidPropertyNamespaceUri Sets uuidPropertyNamespaceUri to the specified value. + */ + public synchronized void setUuidPropertyNamespaceUri( String uuidPropertyNamespaceUri ) { + this.uuidPropertyNamespaceUri = uuidPropertyNamespaceUri != null ? uuidPropertyNamespaceUri.trim() : DEFAULT_UUID_PROPERTY_NAMESPACE; + } + + /** + * If you use this to set a JNDI name, this source will be bound to that name using the default {@link InitialContext}. You + * can also do this manually if you have additional requirements. + * + * @param name the JNDI name + * @throws NamingException if there is a problem registering this object + * @see #getJndiName() + */ + public void setJndiName( String name ) throws NamingException { + setJndiName(name, null); + } + + /** + * Register this source in JNDI under the supplied name using the supplied context. to set a JNDI name, this source will be + * bound to that name using the default {@link InitialContext}. You can also do this manually if you have additional + * requirements. + * + * @param name the JNDI name, or null if this object is to no longer be registered + * @param context the JNDI context, or null if the {@link InitialContext} should be used + * @throws NamingException if there is a problem registering this object + * @see #getJndiName() + */ + public synchronized void setJndiName( String name, Context context ) throws NamingException { + ArgCheck.isNotNull(name, "name"); + if (context == null) context = new InitialContext(); + + // First register in JNDI under the new name ... + if (name != null) { + context.bind(name, this); + } + // Second, unregister from JNDI if there is already a name ... + if (jndiName != null && !jndiName.equals(name)) { + context.unbind(jndiName); + } + // Record the new name ... + this.jndiName = name; + } + + /** + * Gets the JNDI name this source is bound to. Only valid if you used setJNDIName to bind it. + * + * @return the JNDI name, or null if it is not bound in JNDI + * @see #setJndiName(String) + */ + public synchronized String getJndiName() { + return jndiName; + } + + /** + * {@inheritDoc} + */ + public String getName() { + Lock lock = sourcesLock.readLock(); + try { + lock.lock(); + return this.name; + } finally { + lock.unlock(); + } + } + + /** + * @param name Sets name to the specified value. + * @return true if the name was changed, or false if an existing instance already exists with that name + */ + public boolean setName( String name ) { + Lock lock = sourcesLock.writeLock(); + try { + lock.lock(); + // Determine if this name is allowed ... + if (sources.containsKey(name)) return false; + + // Remove this object under its current name + if (this.name != null) { + sources.remove(this.name); + } + // Register this object under the new name + this.name = name; + sources.put(this.name, this); + return true; + } finally { + lock.unlock(); + } + } + + /** + * {@inheritDoc} + */ + public int getRetryLimit() { + return retryLimit.get(); + } + + /** + * {@inheritDoc} + */ + public void setRetryLimit( int limit ) { + retryLimit.set(limit); + } + + /** + * {@inheritDoc} + */ + public synchronized RepositoryConnection getConnection() throws RepositorySourceException { + if (this.cache == null) { + CacheFactory<Name, Object> factory = new DefaultCacheFactory<Name, Object>(); + cache = factory.createCache(cacheConfigurationName); + } + return new JBossCacheConnection(this, this.cache); + } + + /** + * Utility method to obtain a consistent {@link Name} for the property that should store the UUID value on each node. This + * method is properly coded so that it is threadsafe. + * + * @param factory the name factory; may not be null + * @return the property name, or null if UUIDs are not to be maintained + */ + /* package */synchronized Name getUuidPropertyName( NameFactory factory ) { + if (this.uuidPropertyName.length() == 0 && this.uuidPropertyNamespaceUri.length() == 0) return null; + return factory.create(this.uuidPropertyNamespaceUri, this.uuidPropertyName); + } + + /** + * {@inheritDoc} + */ + public Reference getReference() { + String className = getClass().getName(); + String factoryClassName = className; + return new Reference(className, new StringRefAddr("DnaConnectorJBossCacheSource", getName()), factoryClassName, null); + } + + /** + * {@inheritDoc} + */ + public Object getObjectInstance( Object obj, javax.naming.Name name, Context nameCtx, Hashtable<?, ?> environment ) throws Exception { + if (obj instanceof Reference) { + Reference ref = (Reference)obj; + if (ref.getClassName().equals(getClass().getName())) { + RefAddr addr = ref.get("DnaConnectorJBossCacheSource"); + return JBossCacheSource.getSource((String)addr.getContent()); + } + } + return null; + } + +} Added: branches/federation/connectors/dna-connector-jbosscache/src/main/resources/org/jboss/dna/connector/jbosscache/JBossCacheConnectorI18n.properties =================================================================== --- branches/federation/connectors/dna-connector-jbosscache/src/main/resources/org/jboss/dna/connector/jbosscache/JBossCacheConnectorI18n.properties (rev 0) +++ branches/federation/connectors/dna-connector-jbosscache/src/main/resources/org/jboss/dna/connector/jbosscache/JBossCacheConnectorI18n.properties 2008-06-02 16:45:45 UTC (rev 219) @@ -0,0 +1,24 @@ +# +# JBoss, Home of Professional Open Source. +# Copyright 2008, 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. +# + +connectorName = In-Memory Connector +nodeDoesNotExist = Could not find an existing node at {0} \ No newline at end of file Modified: branches/federation/pom.xml =================================================================== --- branches/federation/pom.xml 2008-06-02 16:34:47 UTC (rev 218) +++ branches/federation/pom.xml 2008-06-02 16:45:45 UTC (rev 219) @@ -61,7 +61,8 @@ <module>dna-maven-classloader</module> <module>sequencers/dna-sequencer-images</module> <module>sequencers/dna-sequencer-mp3</module> - <module>dna-integration-tests</module> + <module>connectors/dna-connector-jbosscache</module> + <module>dna-integration-tests</module> </modules> <properties>