[hibernate-commits] Hibernate SVN: r19866 - search/trunk/hibernate-search/src/main/java/org/hibernate/search/impl.

Author: epbernard Date: 2010-06-30 09:41:20 -0400 (Wed, 30 Jun 2010) New Revision: 19866 Added: search/trunk/hibernate-search/src/main/java/org/hibernate/search/impl/IncrementalSearchConfiguration.java Modified: search/trunk/hibernate-search/src/main/java/org/hibernate/search/impl/SearchFactoryBuilder.java Log: HSEARCH-397 SearchFactoryBuilder contract for mutable SearchFactories Create contract to add new classes and update an SearchFactory Added: search/trunk/hibernate-search/src/main/java/org/hibernate/search/impl/IncrementalSearchConfiguration.java =================================================================== --- search/trunk/hibernate-search/src/main/java/org/hibernate/search/impl/IncrementalSearchConfiguration.java (rev 0) +++ search/trunk/hibernate-search/src/main/java/org/hibernate/search/impl/IncrementalSearchConfiguration.java 2010-06-30 13:41:20 UTC (rev 19866) @@ -0,0 +1,53 @@ +package org.hibernate.search.impl; + +import java.util.HashMap; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.Properties; + +import org.hibernate.annotations.common.reflection.ReflectionManager; +import org.hibernate.annotations.common.reflection.java.JavaReflectionManager; +import org.hibernate.search.cfg.SearchConfiguration; +import org.hibernate.search.cfg.SearchMapping; + +/** + * @author Emmanuel Bernard + */ +class IncrementalSearchConfiguration implements SearchConfiguration { + private final ReflectionManager reflectionManager = new JavaReflectionManager(); + private final List<Class<?>> classes; + private final Map<String, Class<?>> classesByName = new HashMap<String, Class<?>>(); + private Properties properties; + + public IncrementalSearchConfiguration(List<Class<?>> classes, Properties properties) { + this.properties = properties; + this.classes = classes; + for ( Class<?> entity : classes ) { + classesByName.put( entity.getName(), entity ); + } + } + public Iterator<Class<?>> getClassMappings() { + return classes.iterator(); + } + + public Class<?> getClassMapping(String name) { + return classesByName.get( name ); + } + + public String getProperty(String propertyName) { + return properties.getProperty(propertyName ); + } + + public Properties getProperties() { + return properties; + } + + public ReflectionManager getReflectionManager() { + return reflectionManager; + } + + public SearchMapping getProgrammaticMapping() { + return null; + } +} Modified: search/trunk/hibernate-search/src/main/java/org/hibernate/search/impl/SearchFactoryBuilder.java =================================================================== --- search/trunk/hibernate-search/src/main/java/org/hibernate/search/impl/SearchFactoryBuilder.java 2010-06-30 13:40:44 UTC (rev 19865) +++ search/trunk/hibernate-search/src/main/java/org/hibernate/search/impl/SearchFactoryBuilder.java 2010-06-30 13:41:20 UTC (rev 19866) @@ -2,9 +2,11 @@ import java.beans.Introspector; import java.lang.reflect.Method; +import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.Iterator; +import java.util.List; import java.util.Map; import java.util.Properties; import java.util.Set; @@ -12,6 +14,8 @@ import org.apache.lucene.analysis.Analyzer; import org.apache.lucene.search.Similarity; + +import org.hibernate.search.backend.UpdatableBackendQueueProcessorFactory; import org.hibernate.search.spi.WorkerBuildContext; import org.hibernate.search.spi.WritableBuildContext; import org.hibernate.search.spi.internals.DirectoryProviderData; @@ -65,10 +69,11 @@ * Build a search factory * @author Emmanuel Bernard */ -public class SearchFactoryBuilder implements WritableBuildContext, WorkerBuildContext { +public class SearchFactoryBuilder { private static final Logger log = LoggerFactory.make(); - SearchConfiguration cfg; - MutableSearchFactory rootFactory; + private SearchConfiguration cfg; + private MutableSearchFactory rootFactory; + private final List<Class<?>> classes = new ArrayList<Class<?>>(); public SearchFactoryBuilder configuration(SearchConfiguration configuration) { this.cfg = configuration; @@ -80,6 +85,11 @@ return this; } + public SearchFactoryBuilder addClass(Class<?> clazz) { + classes.add( clazz ); + return this; + } + //processing properties ReflectionManager reflectionManager; String indexingStrategy; @@ -101,6 +111,9 @@ public SearchFactoryImplementor buildSearchFactory() { if (rootFactory == null) { + if (classes.size() > 0) { + throw new SearchException( "Cannot add a class if the original SearchFactory is not passed"); + } return buildNewSearchFactory(); } else { @@ -109,9 +122,50 @@ } private SearchFactoryImplementor buildIncrementalSearchFactory() { + BuildContext buildContext = new BuildContext(); copyStateFromOldFactory(rootFactory); - //FIXME next step for implementation - return null; + List<Class<?>> remove = new ArrayList<Class<?>>(); + for (Class<?> entity : classes) { + if ( documentBuildersIndexedEntities.containsKey( entity ) || documentBuildersContainedEntities.containsKey(entity) ) { + remove.add( entity ); + } + } + for(Class<?> entity : remove) { + classes.remove( entity ); + } + //TODO we don't keep the reflectionManager. Is that an issue? + IncrementalSearchConfiguration cfg = new IncrementalSearchConfiguration( classes, configurationProperties ); + reflectionManager = getReflectionManager( cfg ); + //TODO programmatic mapping support + + //FIXME The current initDocumentBuilders + initDocumentBuilders( cfg, reflectionManager, buildContext ); + + Set<Class<?>> indexedClasses = documentBuildersIndexedEntities.keySet(); + for ( DocumentBuilderIndexedEntity builder : documentBuildersIndexedEntities.values() ) { + //FIXME improve this algorithm to deal with adding new classes to the class hierarchy. + //Today it seems only safe when a class outside the hierarchy is incrementally added. + builder.postInitialize( indexedClasses ); + } + //not really necessary today + for ( DocumentBuilderContainedEntity builder : documentBuildersContainedEntities.values() ) { + builder.postInitialize( indexedClasses ); + } + fillSimilarityMapping(); + + //update backend + final BackendQueueProcessorFactory backend = this.backendQueueProcessorFactory; + if ( backend instanceof UpdatableBackendQueueProcessorFactory) { + final UpdatableBackendQueueProcessorFactory updatableBackend = ( UpdatableBackendQueueProcessorFactory ) backend; + updatableBackend.updateDirectoryProviders( this.dirProviderData.keySet(), buildContext ); + } + //safe for incremental init at least the ShredBufferReaderProvider + //this.readerProvider = ReaderProviderFactory.createReaderProvider( cfg, this ); + StateSearchFactoryImplementor factory = new ImmutableSearchFactory( this ); + rootFactory.setDelegate( factory ); + return rootFactory; + + } private void copyStateFromOldFactory(StateSearchFactoryImplementor stateFactory) { @@ -138,6 +192,7 @@ configurationProperties = cfg.getProperties(); errorHandler = createErrorHandler( configurationProperties ); reflectionManager = getReflectionManager(cfg); + BuildContext buildContext = new BuildContext(); final SearchMapping mapping = SearchMappingBuilder.getSearchMapping(cfg); if ( mapping != null) { @@ -152,7 +207,7 @@ indexingStrategy = defineIndexingStrategy( cfg );//need to be done before the document builds dirProviderIndexingParams = new HashMap<DirectoryProvider, LuceneIndexingParameters>(); - initDocumentBuilders( cfg, reflectionManager ); + initDocumentBuilders( cfg, reflectionManager, buildContext ); Set<Class<?>> indexedClasses = documentBuildersIndexedEntities.keySet(); for ( DocumentBuilderIndexedEntity builder : documentBuildersIndexedEntities.values() ) { @@ -165,8 +220,8 @@ fillSimilarityMapping(); //build back end - this.worker = WorkerFactory.createWorker( cfg, this ); - this.readerProvider = ReaderProviderFactory.createReaderProvider( cfg, this ); + this.worker = WorkerFactory.createWorker( cfg, buildContext ); + this.readerProvider = ReaderProviderFactory.createReaderProvider( cfg, buildContext ); this.filterCachingStrategy = buildFilterCachingStrategy( cfg.getProperties() ); this.cacheBitResultsSize = ConfigurationParseHelper.getIntValue( cfg.getProperties(), Environment.CACHE_DOCIDRESULTS_SIZE, CachingWrapperFilter.DEFAULT_SIZE @@ -219,7 +274,11 @@ } } - private void initDocumentBuilders(SearchConfiguration cfg, ReflectionManager reflectionManager) { + /* + * Initialize the document builder + * This algorithm seems to be safe for incremental search factories. + */ + private void initDocumentBuilders(SearchConfiguration cfg, ReflectionManager reflectionManager, BuildContext buildContext) { ConfigContext context = new ConfigContext( cfg ); Iterator<Class<?>> iter = cfg.getClassMappings(); DirectoryProviderFactory factory = new DirectoryProviderFactory(); @@ -228,7 +287,7 @@ initProgrammaticallyDefinedFilterDef(reflectionManager); while ( iter.hasNext() ) { - Class mappedClass = iter.next(); + Class<?> mappedClass = iter.next(); if ( mappedClass == null ) { continue; } @@ -246,7 +305,7 @@ } DirectoryProviderFactory.DirectoryProviders providers = factory.createDirectoryProviders( - mappedXClass, cfg, this, reflectionManager + mappedXClass, cfg, buildContext, reflectionManager ); //FIXME DocumentBuilderIndexedEntity needs to be built by a helper method receiving Class<T> to infer T properly //XClass unfortunately is not (yet) genericized: TODO? @@ -388,6 +447,10 @@ private ReflectionManager getReflectionManager(SearchConfiguration cfg) { ReflectionManager reflectionManager = cfg.getReflectionManager(); + return geReflectionManager( reflectionManager ); + } + + private ReflectionManager geReflectionManager(ReflectionManager reflectionManager) { if ( reflectionManager == null ) { reflectionManager = new JavaReflectionManager(); } @@ -402,77 +465,80 @@ return indexingStrategy; } - public void addOptimizerStrategy(DirectoryProvider<?> provider, OptimizerStrategy optimizerStrategy) { - DirectoryProviderData data = dirProviderData.get( provider ); - if ( data == null ) { - data = new DirectoryProviderData(); - dirProviderData.put( provider, data ); + private class BuildContext implements WritableBuildContext, WorkerBuildContext { + public void addOptimizerStrategy(DirectoryProvider<?> provider, OptimizerStrategy optimizerStrategy) { + DirectoryProviderData data = dirProviderData.get( provider ); + if ( data == null ) { + data = new DirectoryProviderData(); + dirProviderData.put( provider, data ); + } + data.setOptimizerStrategy( optimizerStrategy ); } - data.setOptimizerStrategy( optimizerStrategy ); - } - public void addIndexingParameters(DirectoryProvider<?> provider, LuceneIndexingParameters indexingParams) { - dirProviderIndexingParams.put( provider, indexingParams ); - } + public void addIndexingParameters(DirectoryProvider<?> provider, LuceneIndexingParameters indexingParams) { + dirProviderIndexingParams.put( provider, indexingParams ); + } - public void addClassToDirectoryProvider(Class<?> entity, DirectoryProvider<?> directoryProvider, boolean exclusiveIndexUsage) { - DirectoryProviderData data = dirProviderData.get( directoryProvider ); - if ( data == null ) { - data = new DirectoryProviderData(); - dirProviderData.put( directoryProvider, data ); + public void addClassToDirectoryProvider(Class<?> entity, DirectoryProvider<?> directoryProvider, boolean exclusiveIndexUsage) { + DirectoryProviderData data = dirProviderData.get( directoryProvider ); + if ( data == null ) { + data = new DirectoryProviderData(); + dirProviderData.put( directoryProvider, data ); + } + data.getClasses().add( entity ); + data.setExclusiveIndexUsage( exclusiveIndexUsage ); } - data.getClasses().add( entity ); - data.setExclusiveIndexUsage( exclusiveIndexUsage ); - } - public SearchFactoryImplementor getUninitializedSearchFactory() { - return rootFactory; - } + public SearchFactoryImplementor getUninitializedSearchFactory() { + return rootFactory; + } - public String getIndexingStrategy() { - return indexingStrategy; - } + public String getIndexingStrategy() { + return indexingStrategy; + } - public Set<DirectoryProvider<?>> getDirectoryProviders() { - return this.dirProviderData.keySet(); - } + public Set<DirectoryProvider<?>> getDirectoryProviders() { + return SearchFactoryBuilder.this.dirProviderData.keySet(); + } - public void setBackendQueueProcessorFactory(BackendQueueProcessorFactory backendQueueProcessorFactory) { - this.backendQueueProcessorFactory = backendQueueProcessorFactory; - } + public void setBackendQueueProcessorFactory(BackendQueueProcessorFactory backendQueueProcessorFactory) { + SearchFactoryBuilder.this.backendQueueProcessorFactory = backendQueueProcessorFactory; + } - public OptimizerStrategy getOptimizerStrategy(DirectoryProvider<?> provider) { - return dirProviderData.get( provider ).getOptimizerStrategy(); - } + public OptimizerStrategy getOptimizerStrategy(DirectoryProvider<?> provider) { + return dirProviderData.get( provider ).getOptimizerStrategy(); + } - public Set<Class<?>> getClassesInDirectoryProvider(DirectoryProvider<?> directoryProvider) { - return Collections.unmodifiableSet( dirProviderData.get( directoryProvider ).getClasses() ); - } + public Set<Class<?>> getClassesInDirectoryProvider(DirectoryProvider<?> directoryProvider) { + return Collections.unmodifiableSet( dirProviderData.get( directoryProvider ).getClasses() ); + } - public LuceneIndexingParameters getIndexingParameters(DirectoryProvider<?> provider) { - return dirProviderIndexingParams.get( provider ); - } + public LuceneIndexingParameters getIndexingParameters(DirectoryProvider<?> provider) { + return dirProviderIndexingParams.get( provider ); + } - public ReentrantLock getDirectoryProviderLock(DirectoryProvider<?> dp) { - return this.dirProviderData.get( dp ).getDirLock(); - } + public ReentrantLock getDirectoryProviderLock(DirectoryProvider<?> dp) { + return SearchFactoryBuilder.this.dirProviderData.get( dp ).getDirLock(); + } - public Similarity getSimilarity(DirectoryProvider<?> provider) { - Similarity similarity = dirProviderData.get( provider ).getSimilarity(); - if ( similarity == null ) throw new SearchException( "Assertion error: a similarity should be defined for each provider" ); - return similarity; - } + public Similarity getSimilarity(DirectoryProvider<?> provider) { + Similarity similarity = dirProviderData.get( provider ).getSimilarity(); + if ( similarity == null ) throw new SearchException( "Assertion error: a similarity should be defined for each provider" ); + return similarity; + } - public boolean isExclusiveIndexUsageEnabled(DirectoryProvider<?> provider) { - return dirProviderData.get( provider ).isExclusiveIndexUsage(); - } + public boolean isExclusiveIndexUsageEnabled(DirectoryProvider<?> provider) { + return dirProviderData.get( provider ).isExclusiveIndexUsage(); + } - public ErrorHandler getErrorHandler() { - return errorHandler; - } + public ErrorHandler getErrorHandler() { + return errorHandler; + } - @SuppressWarnings("unchecked") - public <T> DocumentBuilderIndexedEntity<T> getDocumentBuilderIndexedEntity(Class<T> entityType) { - return ( DocumentBuilderIndexedEntity<T> ) documentBuildersIndexedEntities.get( entityType ); + @SuppressWarnings("unchecked") + public <T> DocumentBuilderIndexedEntity<T> getDocumentBuilderIndexedEntity(Class<T> entityType) { + return ( DocumentBuilderIndexedEntity<T> ) documentBuildersIndexedEntities.get( entityType ); + } + } }