/
IndexManagerBackendContext.java
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/
IndexManagerBackendContext.java
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/*
* 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 <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.search.backend.lucene.index.impl;
import java.util.Optional;
import org.hibernate.search.backend.lucene.analysis.model.impl.LuceneAnalysisDefinitionRegistry;
import org.hibernate.search.backend.lucene.cfg.LuceneIndexSettings;
import org.hibernate.search.backend.lucene.document.impl.LuceneIndexEntryFactory;
import org.hibernate.search.backend.lucene.document.model.impl.LuceneIndexModel;
import org.hibernate.search.backend.lucene.lowlevel.directory.spi.DirectoryProvider;
import org.hibernate.search.backend.lucene.lowlevel.index.IOStrategyName;
import org.hibernate.search.backend.lucene.lowlevel.index.impl.DebugIOStrategy;
import org.hibernate.search.backend.lucene.lowlevel.index.impl.IOStrategy;
import org.hibernate.search.backend.lucene.lowlevel.index.impl.IndexAccessorImpl;
import org.hibernate.search.backend.lucene.lowlevel.index.impl.NearRealTimeIOStrategy;
import org.hibernate.search.backend.lucene.lowlevel.writer.impl.IndexWriterConfigSource;
import org.hibernate.search.backend.lucene.multitenancy.impl.MultiTenancyStrategy;
import org.hibernate.search.backend.lucene.orchestration.impl.LuceneParallelWorkOrchestratorImpl;
import org.hibernate.search.backend.lucene.orchestration.impl.LuceneSerialWorkOrchestratorImpl;
import org.hibernate.search.backend.lucene.orchestration.impl.LuceneSyncWorkOrchestrator;
import org.hibernate.search.backend.lucene.orchestration.impl.LuceneBatchedWorkProcessor;
import org.hibernate.search.backend.lucene.resources.impl.BackendThreads;
import org.hibernate.search.backend.lucene.schema.management.impl.LuceneIndexSchemaManager;
import org.hibernate.search.backend.lucene.schema.management.impl.SchemaManagementIndexManagerContext;
import org.hibernate.search.backend.lucene.scope.model.impl.LuceneScopeModel;
import org.hibernate.search.backend.lucene.search.impl.LuceneSearchContext;
import org.hibernate.search.backend.lucene.search.projection.impl.LuceneSearchProjection;
import org.hibernate.search.backend.lucene.search.query.impl.LuceneSearchQueryBuilder;
import org.hibernate.search.backend.lucene.search.query.impl.SearchBackendContext;
import org.hibernate.search.backend.lucene.search.timeout.spi.TimingSource;
import org.hibernate.search.backend.lucene.work.execution.impl.LuceneIndexIndexer;
import org.hibernate.search.backend.lucene.work.execution.impl.LuceneIndexIndexingPlan;
import org.hibernate.search.backend.lucene.work.execution.impl.LuceneIndexWorkspace;
import org.hibernate.search.backend.lucene.work.execution.impl.WorkExecutionBackendContext;
import org.hibernate.search.backend.lucene.work.execution.impl.WorkExecutionIndexManagerContext;
import org.hibernate.search.backend.lucene.work.impl.LuceneWorkFactory;
import org.hibernate.search.engine.backend.common.spi.EntityReferenceFactory;
import org.hibernate.search.engine.backend.mapping.spi.BackendMappingContext;
import org.hibernate.search.engine.backend.session.spi.BackendSessionContext;
import org.hibernate.search.engine.backend.session.spi.DetachedBackendSessionContext;
import org.hibernate.search.engine.backend.work.execution.DocumentCommitStrategy;
import org.hibernate.search.engine.backend.work.execution.DocumentRefreshStrategy;
import org.hibernate.search.engine.backend.work.execution.spi.IndexIndexer;
import org.hibernate.search.engine.backend.work.execution.spi.IndexIndexingPlan;
import org.hibernate.search.engine.backend.work.execution.spi.IndexWorkspace;
import org.hibernate.search.engine.cfg.spi.ConfigurationProperty;
import org.hibernate.search.engine.cfg.spi.ConfigurationPropertySource;
import org.hibernate.search.engine.reporting.FailureHandler;
import org.hibernate.search.engine.reporting.spi.EventContexts;
import org.hibernate.search.engine.search.loading.context.spi.LoadingContextBuilder;
import org.hibernate.search.util.common.impl.SuppressingCloser;
import org.hibernate.search.util.common.reporting.EventContext;
import org.apache.lucene.search.similarities.Similarity;
public class IndexManagerBackendContext implements WorkExecutionBackendContext, SearchBackendContext {
private static final ConfigurationProperty<IOStrategyName> IO_STRATEGY =
ConfigurationProperty.forKey( LuceneIndexSettings.IO_STRATEGY )
.as( IOStrategyName.class, IOStrategyName::of )
.withDefault( LuceneIndexSettings.Defaults.IO_STRATEGY )
.build();
private final EventContext eventContext;
private final BackendThreads threads;
private final DirectoryProvider directoryProvider;
private final Similarity similarity;
private final LuceneWorkFactory workFactory;
private final MultiTenancyStrategy multiTenancyStrategy;
private final TimingSource timingSource;
private final LuceneAnalysisDefinitionRegistry analysisDefinitionRegistry;
private final FailureHandler failureHandler;
private final LuceneSyncWorkOrchestrator readOrchestrator;
public IndexManagerBackendContext(EventContext eventContext,
BackendThreads threads,
DirectoryProvider directoryProvider,
Similarity similarity,
LuceneWorkFactory workFactory,
MultiTenancyStrategy multiTenancyStrategy,
TimingSource timingSource,
LuceneAnalysisDefinitionRegistry analysisDefinitionRegistry,
FailureHandler failureHandler,
LuceneSyncWorkOrchestrator readOrchestrator) {
this.eventContext = eventContext;
this.threads = threads;
this.directoryProvider = directoryProvider;
this.similarity = similarity;
this.multiTenancyStrategy = multiTenancyStrategy;
this.timingSource = timingSource;
this.analysisDefinitionRegistry = analysisDefinitionRegistry;
this.workFactory = workFactory;
this.failureHandler = failureHandler;
this.readOrchestrator = readOrchestrator;
}
@Override
public String toString() {
return getClass().getSimpleName() + "[" + eventContext + "]";
}
@Override
public <R> IndexIndexingPlan<R> createIndexingPlan(
WorkExecutionIndexManagerContext indexManagerContext,
LuceneIndexEntryFactory indexEntryFactory,
BackendSessionContext sessionContext,
EntityReferenceFactory<R> entityReferenceFactory,
DocumentCommitStrategy commitStrategy, DocumentRefreshStrategy refreshStrategy) {
multiTenancyStrategy.checkTenantId( sessionContext.getTenantIdentifier(), eventContext );
return new LuceneIndexIndexingPlan<>(
workFactory,
indexManagerContext,
indexEntryFactory,
sessionContext,
entityReferenceFactory,
commitStrategy, refreshStrategy
);
}
@Override
public IndexIndexer createIndexer(
WorkExecutionIndexManagerContext indexManagerContext,
LuceneIndexEntryFactory indexEntryFactory,
BackendSessionContext sessionContext) {
multiTenancyStrategy.checkTenantId( sessionContext.getTenantIdentifier(), eventContext );
return new LuceneIndexIndexer(
workFactory,
indexEntryFactory,
indexManagerContext,
sessionContext
);
}
@Override
public IndexWorkspace createWorkspace(WorkExecutionIndexManagerContext indexManagerContext,
DetachedBackendSessionContext sessionContext) {
multiTenancyStrategy.checkTenantId( sessionContext.getTenantIdentifier(), eventContext );
return new LuceneIndexWorkspace( workFactory, indexManagerContext, sessionContext );
}
@Override
public LuceneSearchContext createSearchContext(BackendMappingContext mappingContext,
LuceneScopeModel scopeModel) {
return new LuceneSearchContext(
mappingContext, analysisDefinitionRegistry, multiTenancyStrategy,
timingSource,
scopeModel
);
}
@Override
public <H> LuceneSearchQueryBuilder<H> createSearchQueryBuilder(
LuceneSearchContext searchContext,
BackendSessionContext sessionContext,
LoadingContextBuilder<?, ?, ?> loadingContextBuilder,
LuceneSearchProjection<?, H> rootProjection) {
multiTenancyStrategy.checkTenantId( sessionContext.getTenantIdentifier(), eventContext );
return new LuceneSearchQueryBuilder<>(
workFactory,
readOrchestrator,
searchContext,
sessionContext,
loadingContextBuilder,
rootProjection
);
}
EventContext getEventContext() {
return eventContext;
}
LuceneIndexEntryFactory createLuceneIndexEntryFactory(String indexName) {
return new LuceneIndexEntryFactory( multiTenancyStrategy, indexName );
}
IOStrategy createIOStrategy(ConfigurationPropertySource propertySource) {
switch ( IO_STRATEGY.get( propertySource ) ) {
case DEBUG:
return DebugIOStrategy.create( directoryProvider, threads, failureHandler );
case NEAR_REAL_TIME:
default:
return NearRealTimeIOStrategy.create(
propertySource, directoryProvider,
timingSource, threads, failureHandler
);
}
}
LuceneIndexSchemaManager createSchemaManager(SchemaManagementIndexManagerContext context) {
return new LuceneIndexSchemaManager( workFactory, context );
}
Shard createShard(IOStrategy ioStrategy, LuceneIndexModel model, Optional<String> shardId,
ConfigurationPropertySource propertySource) {
LuceneParallelWorkOrchestratorImpl managementOrchestrator;
LuceneSerialWorkOrchestratorImpl indexingOrchestrator;
IndexAccessorImpl indexAccessor = null;
String indexName = model.getIndexName();
EventContext shardEventContext = EventContexts.fromIndexNameAndShardId( model.getIndexName(), shardId );
IndexWriterConfigSource writerConfigSource = IndexWriterConfigSource.create(
similarity, model.getIndexingAnalyzer(), propertySource, shardEventContext
);
try {
indexAccessor = ioStrategy.createIndexAccessor(
indexName, shardEventContext,
shardId, writerConfigSource
);
managementOrchestrator = createIndexManagementOrchestrator( shardEventContext, indexAccessor );
indexingOrchestrator = createIndexingOrchestrator( shardEventContext, indexAccessor );
Shard shard = new Shard(
shardEventContext, indexAccessor,
managementOrchestrator, indexingOrchestrator
);
return shard;
}
catch (RuntimeException e) {
new SuppressingCloser( e )
// No need to stop the orchestrators, we didn't start them
.push( indexAccessor );
throw e;
}
}
private LuceneParallelWorkOrchestratorImpl createIndexManagementOrchestrator(EventContext eventContext,
IndexAccessorImpl indexAccessor) {
return new LuceneParallelWorkOrchestratorImpl(
"Lucene index management orchestrator for " + eventContext.render(),
eventContext,
indexAccessor,
threads
);
}
private LuceneSerialWorkOrchestratorImpl createIndexingOrchestrator(EventContext eventContext,
IndexAccessorImpl indexAccessor) {
return new LuceneSerialWorkOrchestratorImpl(
"Lucene indexing orchestrator for " + eventContext.render(),
new LuceneBatchedWorkProcessor(
eventContext, indexAccessor
),
threads,
failureHandler
);
}
}