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• MutableSearchFactory.java

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org.hibernate.search.engine.impl.MutableSearchFactory Maven / Gradle / Ivy

/*
 * Hibernate Search, full-text search for your domain model
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later
 * See the lgpl.txt file in the root directory or .
 */
package org.hibernate.search.engine.impl;

import java.util.Map;
import java.util.Properties;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import java.util.function.Predicate;

import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.search.Query;
import org.hibernate.search.analyzer.spi.ScopedAnalyzerReference;
import org.hibernate.search.backend.spi.BatchBackend;
import org.hibernate.search.backend.spi.OperationDispatcher;
import org.hibernate.search.backend.spi.Worker;
import org.hibernate.search.batchindexing.MassIndexerProgressMonitor;
import org.hibernate.search.cfg.SearchMapping;
import org.hibernate.search.cfg.spi.IndexManagerFactory;
import org.hibernate.search.engine.integration.impl.ExtendedSearchIntegrator;
import org.hibernate.search.engine.integration.impl.SearchIntegration;
import org.hibernate.search.engine.service.spi.ServiceManager;
import org.hibernate.search.engine.spi.DocumentBuilderContainedEntity;
import org.hibernate.search.engine.spi.EntityIndexBinding;
import org.hibernate.search.engine.spi.TimingSource;
import org.hibernate.search.exception.ErrorHandler;
import org.hibernate.search.filter.FilterCachingStrategy;
import org.hibernate.search.indexes.IndexFamilyType;
import org.hibernate.search.indexes.IndexReaderAccessor;
import org.hibernate.search.indexes.impl.IndexManagerHolder;
import org.hibernate.search.indexes.serialization.spi.LuceneWorkSerializer;
import org.hibernate.search.indexes.IndexFamily;
import org.hibernate.search.indexes.spi.IndexManager;
import org.hibernate.search.indexes.spi.IndexManagerType;
import org.hibernate.search.metadata.IndexedTypeDescriptor;
import org.hibernate.search.query.DatabaseRetrievalMethod;
import org.hibernate.search.query.ObjectLookupMethod;
import org.hibernate.search.query.dsl.QueryContextBuilder;
import org.hibernate.search.query.engine.spi.HSQuery;
import org.hibernate.search.query.engine.spi.TimeoutExceptionFactory;
import org.hibernate.search.spi.CustomTypeMetadata;
import org.hibernate.search.spi.IndexedTypeIdentifier;
import org.hibernate.search.spi.IndexedTypeSet;
import org.hibernate.search.spi.IndexingMode;
import org.hibernate.search.spi.InstanceInitializer;
import org.hibernate.search.spi.SearchIntegrator;
import org.hibernate.search.spi.SearchIntegratorBuilder;
import org.hibernate.search.spi.IndexedTypeMap;
import org.hibernate.search.spi.WorkerBuildContext;
import org.hibernate.search.spi.impl.ExtendedSearchIntegratorWithShareableState;
import org.hibernate.search.spi.impl.TypeHierarchy;
import org.hibernate.search.stat.Statistics;
import org.hibernate.search.stat.spi.StatisticsImplementor;

/**
 * Factory delegating to a concrete implementation of another factory. Useful to swap one factory for another.
 *
 * Swapping factory is thread safe.
 *
 * @author Emmanuel Bernard
 */
public class MutableSearchFactory implements ExtendedSearchIntegratorWithShareableState, SearchIntegrator, WorkerBuildContext {
	// Implements WorkerBuilderContext for the dynamic sharding approach which build IndexManager lazily

	//a reference to the same instance of this class is help by clients and various HSearch services
	//when changing the SearchFactory internals, only the underlying delegate should be changed.
	//the volatile ensure that the state is replicated upon underlying factory switch.
	private volatile ExtendedSearchIntegratorWithShareableState delegate;

	//lock to be acquired every time the underlying searchFactory is rebuilt
	private final Lock mutating = new ReentrantLock();

	public void setDelegate(ExtendedSearchIntegratorWithShareableState delegate) {
		this.delegate = delegate;
	}

	@Override
	public Map getFilterDefinitions() {
		return delegate.getFilterDefinitions();
	}

	@Override
	public IndexedTypeMap getIndexBindings() {
		return delegate.getIndexBindings();
	}

	@Override
	public Worker getWorker() {
		return delegate.getWorker();
	}

	@Override
	public FilterCachingStrategy getFilterCachingStrategy() {
		return delegate.getFilterCachingStrategy();
	}

	@Override
	public Map getIntegrations() {
		return delegate.getIntegrations();
	}

	@Override
	public int getCacheBitResultsSize() {
		return delegate.getCacheBitResultsSize();
	}

	@Override
	public Properties getConfigurationProperties() {
		return delegate.getConfigurationProperties();
	}

	@Override
	public FilterDef getFilterDefinition(String name) {
		return delegate.getFilterDefinition( name );
	}

	@Override
	public ExtendedSearchIntegrator getUninitializedSearchIntegrator() {
		return this;
	}

	@Override
	public IndexingMode getIndexingMode() {
		return delegate.getIndexingMode();
	}

	@Override
	public void close() {
		delegate.close();
	}

	@Override
	public HSQuery createHSQuery(Query luceneQuery, Class... entities) {
		return delegate.createHSQuery( luceneQuery, entities );
	}

	@Override
	public HSQuery createHSQuery(Query luceneQuery, IndexedTypeMap types) {
		return delegate.createHSQuery( luceneQuery, types );
	}

	@Override
	public int getFilterCacheBitResultsSize() {
		return delegate.getFilterCacheBitResultsSize();
	}

	@Override
	public BatchBackend makeBatchBackend(MassIndexerProgressMonitor progressMonitor) {
		return delegate.makeBatchBackend( progressMonitor );
	}

	@Override
	public boolean isJMXEnabled() {
		return delegate.isJMXEnabled();
	}

	@Override
	public StatisticsImplementor getStatisticsImplementor() {
		return delegate.getStatisticsImplementor();
	}

	@Override
	public TypeHierarchy getConfiguredTypeHierarchy() {
		return delegate.getConfiguredTypeHierarchy();
	}

	@Override
	public TypeHierarchy getIndexedTypeHierarchy() {
		return delegate.getIndexedTypeHierarchy();
	}

	@Override
	public ServiceManager getServiceManager() {
		return delegate.getServiceManager();
	}

	@Override
	public DatabaseRetrievalMethod getDefaultDatabaseRetrievalMethod() {
		return delegate.getDefaultDatabaseRetrievalMethod();
	}

	@Override
	public ObjectLookupMethod getDefaultObjectLookupMethod() {
		return delegate.getDefaultObjectLookupMethod();
	}

	@Override
	public void optimize() {
		delegate.optimize();
	}

	@Override
	public void optimize(IndexedTypeIdentifier entityType) {
		delegate.optimize( entityType );
	}

	@Override
	public Analyzer getAnalyzer(String name) {
		return delegate.getAnalyzer( name );
	}

	@Override
	public SearchIntegration getIntegration(IndexManagerType indexManagerType) {
		return delegate.getIntegration( indexManagerType );
	}

	@Override
	public Analyzer getAnalyzer(IndexedTypeIdentifier type) {
		return delegate.getAnalyzer( type );
	}

	@Override
	public QueryContextBuilder buildQueryBuilder() {
		return delegate.buildQueryBuilder();
	}

	@Override
	public Statistics getStatistics() {
		return delegate.getStatistics();
	}

	@Override
	public IndexedTypeMap getDocumentBuildersContainedEntities() {
		return delegate.getDocumentBuildersContainedEntities();
	}

	@Override
	public void addClasses(Class... classes) {
		final SearchIntegratorBuilder builder = new SearchIntegratorBuilder().currentSearchIntegrator( this );
		for ( Class type : classes ) {
			builder.addClass( type );
		}
		try {
			mutating.lock();
			builder.buildSearchIntegrator();
		}
		finally {
			mutating.unlock();
		}
	}

	@Override
	public boolean isDirtyChecksEnabled() {
		return delegate.isDirtyChecksEnabled();
	}

	@Override
	public boolean isStopped() {
		return delegate.isStopped();
	}

	@Override
	public boolean isTransactionManagerExpected() {
		return delegate.isTransactionManagerExpected();
	}

	@Override
	public IndexManagerHolder getAllIndexesManager() {
		return getIndexManagerHolder();
	}

	@Override
	public IndexManagerHolder getIndexManagerHolder() {
		return delegate.getIndexManagerHolder();
	}

	@Override
	public ErrorHandler getErrorHandler() {
		return delegate.getErrorHandler();
	}

	@Override
	public IndexReaderAccessor getIndexReaderAccessor() {
		return delegate.getIndexReaderAccessor();
	}

	@Override
	public IndexedTypeSet getIndexedTypeIdentifiers() {
		return delegate.getIndexedTypeIdentifiers();
	}

	@Override
	public InstanceInitializer getInstanceInitializer() {
		return delegate.getInstanceInitializer();
	}

	@Override
	public TimeoutExceptionFactory getDefaultTimeoutExceptionFactory() {
		return delegate.getDefaultTimeoutExceptionFactory();
	}

	@Override
	public TimingSource getTimingSource() {
		return delegate.getTimingSource();
	}

	@Override
	public SearchMapping getProgrammaticMapping() {
		return delegate.getProgrammaticMapping();
	}

	@Override
	public boolean isIndexMetadataComplete() {
		return delegate.isIndexMetadataComplete();
	}

	@Override
	public boolean isDeleteByTermEnforced() {
		return delegate.isDeleteByTermEnforced();
	}

	@Override
	public boolean isIdProvidedImplicit() {
		return delegate.isIdProvidedImplicit();
	}

	@Override
	public boolean isMultitenancyEnabled() {
		return delegate.isMultitenancyEnabled();
	}

	@Override
	public IndexManagerFactory getIndexManagerFactory() {
		return delegate.getIndexManagerFactory();
	}

	@Override
	public boolean enlistWorkerInTransaction() {
		return delegate.enlistWorkerInTransaction();
	}

	@Override
	public boolean isHibernateSearch6DeprecationWarningsEnabled() {
		return delegate.isHibernateSearch6DeprecationWarningsEnabled();
	}

	@Override
	public IndexFamily getIndexFamily(IndexFamilyType indexFamilyType) {
		return delegate.getIndexFamily( indexFamilyType );
	}

	@Override
	public IndexManager getIndexManager(String indexName) {
		return delegate.getIndexManager( indexName );
	}

	@Override
	public boolean isIndexUninvertingAllowed() {
		return delegate.isIndexUninvertingAllowed();
	}

	@Override
	public  T unwrap(Class cls) {
		if ( SearchIntegrator.class.equals( cls ) || ExtendedSearchIntegrator.class.equals( cls ) || MutableSearchFactory.class.equals( cls ) ) {
			return (T) this;
		}
		else {
			return delegate.unwrap( cls );
		}
	}

	@Override
	public LuceneWorkSerializer getWorkSerializer() {
		return delegate.getWorkSerializer();
	}

	@Override
	public LuceneWorkSerializer getWorkSerializerState() {
		return delegate.getWorkSerializerState();
	}

	@Override
	public OperationDispatcher createRemoteOperationDispatcher(Predicate indexManagerFilter) {
		return delegate.createRemoteOperationDispatcher( indexManagerFilter );
	}

	@Override
	public EntityIndexBinding getIndexBinding(IndexedTypeIdentifier entityType) {
		return delegate.getIndexBinding( entityType );
	}

	@Override
	public IndexedTypeSet getConfiguredTypesPolymorphic(IndexedTypeSet types) {
		return delegate.getConfiguredTypesPolymorphic( types );
	}

	@Override
	public IndexedTypeSet getIndexedTypesPolymorphic(IndexedTypeSet queryTarget) {
		return delegate.getIndexedTypesPolymorphic( queryTarget );
	}

	@Override
	public DocumentBuilderContainedEntity getDocumentBuilderContainedEntity(IndexedTypeIdentifier entityType) {
		return delegate.getDocumentBuilderContainedEntity( entityType );
	}

	@Override
	public ScopedAnalyzerReference getAnalyzerReference(IndexedTypeIdentifier type) {
		return delegate.getAnalyzerReference( type );
	}

	@Override
	public IndexedTypeDescriptor getIndexedTypeDescriptor(IndexedTypeIdentifier typeId) {
		return delegate.getIndexedTypeDescriptor( typeId );
	}

}