[hibernate-commits] Hibernate SVN: r11017 - in branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search: . backend backend/impl event impl

Author: epbernard Date: 2007-01-06 12:12:57 -0500 (Sat, 06 Jan 2007) New Revision: 11017 Added: branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/Worker.java branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/WorkerFactory.java branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/impl/TransactionalWorker.java Modified: branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/Environment.java branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/Workspace.java branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/impl/BatchLuceneWorkQueue.java branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/impl/PostTransactionWorkQueueSynchronization.java branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/event/FullTextIndexEventListener.java branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/impl/FullTextSessionImpl.java Log: ANN-519 ANN-520 Modified: branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/Environment.java =================================================================== --- branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/Environment.java 2007-01-04 10:42:06 UTC (rev 11016) +++ branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/Environment.java 2007-01-06 17:12:57 UTC (rev 11017) @@ -14,4 +14,7 @@ * Lucene analyser */ public static final String ANALYZER_CLASS = "hibernate.search.analyzer"; + + public static final String WORKER_PREFIX = "hibernate.search.worker."; + public static final String WORKER_IMPL = WORKER_PREFIX + "impl"; } Added: branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/Worker.java =================================================================== --- branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/Worker.java 2007-01-04 10:42:06 UTC (rev 11016) +++ branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/Worker.java 2007-01-06 17:12:57 UTC (rev 11017) @@ -0,0 +1,24 @@ +//$Id: $ +package org.hibernate.search.backend; + +import java.util.Properties; +import java.util.Map; +import java.util.concurrent.locks.ReentrantLock; + +import org.hibernate.event.AbstractEvent; +import org.hibernate.event.EventSource; +import org.hibernate.cfg.Configuration; +import org.hibernate.search.engine.DocumentBuilder; +import org.hibernate.search.store.DirectoryProvider; + +/** + * Perform work for a given session. This implementation has to be multi threaded + * @author Emmanuel Bernard + */ +//TODO merge worker and workQueue to do a list of workers through work delegation +public interface Worker { + void performWork(Work work, EventSource session); + + void initialize(Properties props, Map<Class, DocumentBuilder<Object>> documentBuilders, + Map<DirectoryProvider, ReentrantLock> lockableDirectoryProviders); +} Added: branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/WorkerFactory.java =================================================================== --- branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/WorkerFactory.java 2007-01-04 10:42:06 UTC (rev 11016) +++ branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/WorkerFactory.java 2007-01-06 17:12:57 UTC (rev 11017) @@ -0,0 +1,73 @@ +//$Id: $ +package org.hibernate.search.backend; + +import java.util.Map; +import java.util.Properties; +import java.util.concurrent.locks.ReentrantLock; + +import org.hibernate.cfg.Configuration; +import org.hibernate.search.backend.impl.TransactionalWorker; +import org.hibernate.search.engine.DocumentBuilder; +import org.hibernate.search.store.DirectoryProvider; +import org.hibernate.search.Environment; +import org.hibernate.util.StringHelper; +import org.hibernate.util.ReflectHelper; +import org.hibernate.AnnotationException; + +/** + * @author Emmanuel Bernard + */ +public class WorkerFactory { + private Map<Class, DocumentBuilder<Object>> documentBuilders; + private Map<DirectoryProvider, ReentrantLock> lockableDirectoryProviders; + private Configuration cfg; + + public void configure(Configuration cfg, + Map<Class, DocumentBuilder<Object>> documentBuilders, + Map<DirectoryProvider, ReentrantLock> lockableDirectoryProviders) { + this.documentBuilders = documentBuilders; + this.lockableDirectoryProviders = lockableDirectoryProviders; + this.cfg = cfg; + } + + private static Properties getProperties(Configuration cfg) { + Properties props = cfg.getProperties(); + Properties workerProperties = new Properties(); + for ( Map.Entry entry : props.entrySet() ) { + String key = (String) entry.getKey(); + if ( key.startsWith( Environment.WORKER_PREFIX ) ) { + workerProperties.setProperty( key.substring( Environment.WORKER_PREFIX.length() ), (String) entry.getValue() ); + } + } + return workerProperties; + } + + public Worker createWorker() { + Properties props = getProperties( cfg ); + String impl = props.getProperty( Environment.WORKER_IMPL ); + Worker worker; + if ( StringHelper.isEmpty( impl ) ) { + worker = new TransactionalWorker(); + } + else if ( "transaction".equalsIgnoreCase( impl ) ) { + worker = new TransactionalWorker(); + } + else { + try { + Class workerClass = ReflectHelper.classForName( impl, WorkerFactory.class ); + worker = (Worker) workerClass.newInstance(); + } + catch (ClassNotFoundException e) { + throw new AnnotationException("Unable to find worker class: " + impl, e ); + } + catch (IllegalAccessException e) { + throw new AnnotationException("Unable to instanciate worker class: " + impl, e ); + } + catch (InstantiationException e) { + throw new AnnotationException("Unable to instanciate worker class: " + impl, e ); + } + } + worker.initialize( props, documentBuilders, lockableDirectoryProviders ); + return worker; + } +} Modified: branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/Workspace.java =================================================================== --- branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/Workspace.java 2007-01-04 10:42:06 UTC (rev 11016) +++ branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/Workspace.java 2007-01-06 17:12:57 UTC (rev 11017) @@ -91,7 +91,7 @@ } private void cleanUp(HibernateException originalException) { - //release all readers and writers, then reelase locks + //release all readers and writers, then release locks HibernateException raisedException = originalException; for ( IndexReader reader : readers.values() ) { try { Modified: branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/impl/BatchLuceneWorkQueue.java =================================================================== --- branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/impl/BatchLuceneWorkQueue.java 2007-01-04 10:42:06 UTC (rev 11016) +++ branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/impl/BatchLuceneWorkQueue.java 2007-01-06 17:12:57 UTC (rev 11017) @@ -17,17 +17,22 @@ import org.hibernate.search.backend.AddWork; /** + * Batch work until #performWork is called. + * The work is then executed synchronously or asynchronously + * * @author Emmanuel Bernard */ public class BatchLuceneWorkQueue implements WorkQueue { private Workspace workspace; private LuceneWorker worker; private List<Work> queue = new ArrayList<Work>(); + private boolean sync; public BatchLuceneWorkQueue(Map<Class, DocumentBuilder<Object>> documentBuilders, - Map<DirectoryProvider, ReentrantLock> lockableDirectoryProviders) { + Map<DirectoryProvider, ReentrantLock> lockableDirectoryProviders, boolean sync) { workspace = new Workspace( documentBuilders, lockableDirectoryProviders ); worker = new LuceneWorker( workspace ); + this.sync = sync; } public void add(Work work) { @@ -42,24 +47,49 @@ } } + //TODO implements parallel batchWorkers (one per Directory) public void performWork() { - try { - //use of index reader - for ( Work work : queue ) { - if ( work instanceof DeleteWork ) worker.performWork( work ); - } - workspace.clean(); //close readers - for ( Work work : queue ) { - if ( work instanceof AddWork ) worker.performWork( work ); - } + BatchWorker batchWorker = new BatchWorker( queue, workspace, worker ); + if (sync) { + batchWorker.run(); } - finally { - workspace.clean(); - queue.clear(); + else { + //TODO pool threads? + Thread thread = new Thread(batchWorker); + thread.start(); } } public void cancelWork() { queue.clear(); } + + private class BatchWorker implements Runnable { + private List<Work> queue; + private Workspace workspace; + private LuceneWorker worker; + + public BatchWorker(List<Work> queue, Workspace workspace, LuceneWorker worker) { + this.queue = queue; + this.workspace = workspace; + this.worker = worker; + } + + public void run() { + try { + //use of index reader + for ( Work work : queue ) { + if ( work instanceof DeleteWork ) worker.performWork( work ); + } + workspace.clean(); //close readers + for ( Work work : queue ) { + if ( work instanceof AddWork ) worker.performWork( work ); + } + } + finally { + workspace.clean(); + queue.clear(); + } + } + } } Modified: branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/impl/PostTransactionWorkQueueSynchronization.java =================================================================== --- branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/impl/PostTransactionWorkQueueSynchronization.java 2007-01-04 10:42:06 UTC (rev 11016) +++ branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/impl/PostTransactionWorkQueueSynchronization.java 2007-01-06 17:12:57 UTC (rev 11017) @@ -18,10 +18,16 @@ private boolean consumed; private WeakIdentityHashMap queuePerTransaction; + /** + * out of transaction work + */ public PostTransactionWorkQueueSynchronization(WorkQueue workQueue) { this.workQueue = workQueue; } + /** + * in transaction work + */ public PostTransactionWorkQueueSynchronization(WorkQueue workQueue, WeakIdentityHashMap queuePerTransaction) { this(workQueue); this.queuePerTransaction = queuePerTransaction; Added: branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/impl/TransactionalWorker.java =================================================================== --- branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/impl/TransactionalWorker.java 2007-01-04 10:42:06 UTC (rev 11016) +++ branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/backend/impl/TransactionalWorker.java 2007-01-06 17:12:57 UTC (rev 11017) @@ -0,0 +1,63 @@ +//$Id: $ +package org.hibernate.search.backend.impl; + +import java.util.Properties; +import java.util.Map; +import java.util.concurrent.locks.ReentrantLock; +import javax.transaction.Status; + +import org.hibernate.search.backend.Worker; +import org.hibernate.search.backend.Work; +import org.hibernate.search.backend.WorkQueue; +import org.hibernate.search.util.WeakIdentityHashMap; +import org.hibernate.search.engine.DocumentBuilder; +import org.hibernate.search.store.DirectoryProvider; +import org.hibernate.search.Environment; +import org.hibernate.event.EventSource; +import org.hibernate.Transaction; + +/** + * Queue works per transaction. + * If out of transaction, the work is executed right away + * + * When <code>hibernate.search.worker.type</code> is set to <code>async</code> + * the work is done in a + * + * @author Emmanuel Bernard + */ +public class TransactionalWorker implements Worker { + //not a synchronized map since for a given transaction, we have not concurrent access + protected WeakIdentityHashMap queuePerTransaction = new WeakIdentityHashMap(); + private Map<DirectoryProvider, ReentrantLock> lockableDirectoryProviders; + private Map<Class, DocumentBuilder<Object>> documentBuilders; + private boolean sync; + + public void performWork(Work work, EventSource session) { + if ( session.isTransactionInProgress() ) { + Transaction transaction = session.getTransaction(); + PostTransactionWorkQueueSynchronization txSync = (PostTransactionWorkQueueSynchronization) + queuePerTransaction.get( transaction ); + if ( txSync == null || txSync.isConsumed() ) { + WorkQueue workQueue = new BatchLuceneWorkQueue( documentBuilders, lockableDirectoryProviders, sync ); + txSync = new PostTransactionWorkQueueSynchronization( workQueue, queuePerTransaction ); + transaction.registerSynchronization( txSync ); + queuePerTransaction.put(transaction, txSync); + } + txSync.add( work ); + } + else { + WorkQueue workQueue = new BatchLuceneWorkQueue( documentBuilders, lockableDirectoryProviders, sync ); + PostTransactionWorkQueueSynchronization sync = new PostTransactionWorkQueueSynchronization( workQueue ); + sync.add( work ); + sync.afterCompletion( Status.STATUS_COMMITTED ); + } + } + + public void initialize(Properties props, Map<Class, DocumentBuilder<Object>> documentBuilders, + Map<DirectoryProvider, ReentrantLock> lockableDirectoryProviders) { + this.documentBuilders = documentBuilders; + this.lockableDirectoryProviders = lockableDirectoryProviders; + //default to sync if none defined + this.sync = ! "async".equalsIgnoreCase( props.getProperty( Environment.WORKER_PREFIX + "type") ); + } +} Modified: branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/event/FullTextIndexEventListener.java =================================================================== --- branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/event/FullTextIndexEventListener.java 2007-01-04 10:42:06 UTC (rev 11016) +++ branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/event/FullTextIndexEventListener.java 2007-01-06 17:12:57 UTC (rev 11017) @@ -6,7 +6,6 @@ import java.util.Iterator; import java.util.Map; import java.util.Set; -import java.util.WeakHashMap; import java.util.concurrent.locks.ReentrantLock; import javax.transaction.Status; @@ -35,6 +34,8 @@ import org.hibernate.search.backend.UpdateWork; import org.hibernate.search.backend.Work; import org.hibernate.search.backend.WorkQueue; +import org.hibernate.search.backend.Worker; +import org.hibernate.search.backend.WorkerFactory; import org.hibernate.search.backend.impl.BatchLuceneWorkQueue; import org.hibernate.search.backend.impl.PostTransactionWorkQueueSynchronization; import org.hibernate.search.engine.DocumentBuilder; @@ -58,9 +59,9 @@ public class FullTextIndexEventListener implements PostDeleteEventListener, PostInsertEventListener, PostUpdateEventListener, Initializable { protected ReflectionManager reflectionManager; - //not a synchronized map since for a given transaction, we have not concurrent access - protected WeakIdentityHashMap queuePerTransaction; + protected Worker worker; + //FIXME keeping this here is a bad decision since you might want to search indexes wo maintain it @Deprecated public Map<Class, DocumentBuilder<Object>> getDocumentBuilders() { @@ -80,7 +81,6 @@ if ( initialized ) return; //yuk reflectionManager = ( (AnnotationConfiguration) cfg ).createExtendedMappings().getReflectionManager(); - queuePerTransaction = new WeakIdentityHashMap(); Class analyzerClass; String analyzerClassName = cfg.getProperty( Environment.ANALYZER_CLASS ); @@ -136,6 +136,9 @@ for ( DocumentBuilder builder : documentBuilders.values() ) { builder.postInitialize( indexedClasses ); } + WorkerFactory workerFactory = new WorkerFactory(); + workerFactory.configure( cfg, documentBuilders, lockableDirectoryProviders ); + worker = workerFactory.createWorker(); initialized = true; } @@ -169,24 +172,7 @@ } private void processWork(Work work, AbstractEvent event) { - if ( event.getSession().isTransactionInProgress() ) { - Transaction transaction = event.getSession().getTransaction(); - PostTransactionWorkQueueSynchronization sync = (PostTransactionWorkQueueSynchronization) - queuePerTransaction.get( transaction ); - if ( sync == null || sync.isConsumed() ) { - WorkQueue workQueue = new BatchLuceneWorkQueue( documentBuilders, lockableDirectoryProviders ); - sync = new PostTransactionWorkQueueSynchronization( workQueue, queuePerTransaction ); - transaction.registerSynchronization( sync ); - queuePerTransaction.put(transaction, sync); - } - sync.add( work ); - } - else { - WorkQueue workQueue = new BatchLuceneWorkQueue( documentBuilders, lockableDirectoryProviders ); - PostTransactionWorkQueueSynchronization sync = new PostTransactionWorkQueueSynchronization( workQueue ); - sync.add( work ); - sync.afterCompletion( Status.STATUS_COMMITTED ); - } + worker.performWork( work, event.getSession() ); } public Map<DirectoryProvider, ReentrantLock> getLockableDirectoryProviders() { Modified: branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/impl/FullTextSessionImpl.java =================================================================== --- branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/impl/FullTextSessionImpl.java 2007-01-04 10:42:06 UTC (rev 11016) +++ branches/Branch_3_2/HibernateExt/metadata/src/java/org/hibernate/search/impl/FullTextSessionImpl.java 2007-01-06 17:12:57 UTC (rev 11017) @@ -112,7 +112,8 @@ private PostTransactionWorkQueueSynchronization createWorkQueueSync( Map<Class, DocumentBuilder<Object>> documentBuilders, Map<DirectoryProvider, ReentrantLock> lockableDirectoryProviders) { - WorkQueue workQueue = new BatchLuceneWorkQueue( documentBuilders, lockableDirectoryProviders ); + //FIXME should be harmonized with the WorkerFactory? + WorkQueue workQueue = new BatchLuceneWorkQueue( documentBuilders, lockableDirectoryProviders, true ); return new PostTransactionWorkQueueSynchronization( workQueue ); }