/
ElasticsearchAnalyzerStrategy.java
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/
ElasticsearchAnalyzerStrategy.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.elasticsearch.analyzer.impl;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.hibernate.search.analyzer.impl.LazyRemoteAnalyzer;
import org.hibernate.search.analyzer.impl.RemoteAnalyzer;
import org.hibernate.search.analyzer.impl.RemoteAnalyzerReference;
import org.hibernate.search.analyzer.impl.ScopedRemoteAnalyzer;
import org.hibernate.search.analyzer.spi.AnalyzerStrategy;
import org.hibernate.search.annotations.AnalyzerDef;
/**
* @author Yoann Rodiere
*/
public class ElasticsearchAnalyzerStrategy implements AnalyzerStrategy<RemoteAnalyzerReference> {
@Override
public RemoteAnalyzerReference createDefaultAnalyzerReference() {
return new RemoteAnalyzerReference( new RemoteAnalyzer( "default" ) );
}
@Override
public RemoteAnalyzerReference createPassThroughAnalyzerReference() {
return new RemoteAnalyzerReference( new RemoteAnalyzer( "keyword" ) );
}
@Override
public RemoteAnalyzerReference createAnalyzerReference(String name) {
return new RemoteAnalyzerReference( new LazyRemoteAnalyzer( name ) );
}
@Override
public RemoteAnalyzerReference createAnalyzerReference(Class<?> analyzerClass) {
return null;
}
@Override
public void initializeNamedAnalyzerReferences(Collection<RemoteAnalyzerReference> references, Map<String, AnalyzerDef> analyzerDefinitions) {
Map<String, RemoteAnalyzer> initializedAnalyzers = new HashMap<>();
for ( RemoteAnalyzerReference reference : references ) {
initializeReference( initializedAnalyzers, reference, analyzerDefinitions );
}
}
private void initializeReference(Map<String, RemoteAnalyzer> initializedAnalyzers, RemoteAnalyzerReference analyzerReference,
Map<String, AnalyzerDef> analyzerDefinitions) {
LazyRemoteAnalyzer lazyAnalyzer = (LazyRemoteAnalyzer) analyzerReference.getAnalyzer();
String name = lazyAnalyzer.getName();
RemoteAnalyzer delegate = initializedAnalyzers.get( name );
if ( delegate == null ) {
// TODO HSEARCH-2219 Actually use the definition
delegate = buildAnalyzer( name );
initializedAnalyzers.put( name, delegate );
}
lazyAnalyzer.setDelegate( delegate );
}
private RemoteAnalyzer buildAnalyzer(String name) {
return new RemoteAnalyzer( name );
}
@Override
public ScopedRemoteAnalyzer.Builder buildScopedAnalyzer(RemoteAnalyzerReference initialGlobalAnalyzerReference) {
return new ScopedRemoteAnalyzer.Builder( initialGlobalAnalyzerReference, Collections.<String, RemoteAnalyzer>emptyMap() );
}
}