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Hibernate Search integration with Hibernate Core

There is a newer version: 5.11.12.Final

/*
 * 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.impl;

import java.util.Set;

import org.apache.lucene.analysis.Analyzer;
import org.hibernate.search.SearchFactory;
import org.hibernate.search.engine.integration.impl.ExtendedSearchIntegrator;
import org.hibernate.search.indexes.IndexFamily;
import org.hibernate.search.indexes.IndexFamilyType;
import org.hibernate.search.indexes.IndexReaderAccessor;
import org.hibernate.search.metadata.IndexedTypeDescriptor;
import org.hibernate.search.query.dsl.QueryContextBuilder;
import org.hibernate.search.spi.IndexedTypeIdentifier;
import org.hibernate.search.spi.SearchIntegrator;
import org.hibernate.search.stat.Statistics;


/**
 * Implementation of the public API: a simple delegate to the actual implementor.
 *
 * @author Sanne Grinovero (C) 2014 Red Hat Inc.
 * @since 5.0
 */
final class SearchFactoryImpl implements SearchFactory {

	private final ExtendedSearchIntegrator searchIntegrator;

	public SearchFactoryImpl(ExtendedSearchIntegrator searchIntegrator) {
		this.searchIntegrator = searchIntegrator;
	}

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

	@Override
	public void optimize(Class clazz) {
		searchIntegrator.optimize( convertTypeIdentifier( clazz ) );
	}

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

	@Override
	public Analyzer getAnalyzer(Class clazz) {
		return searchIntegrator.getAnalyzer( convertTypeIdentifier( clazz ) );
	}

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

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

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

	@Override
	public IndexedTypeDescriptor getIndexedTypeDescriptor(Class clazz) {
		return searchIntegrator.getIndexedTypeDescriptor( convertTypeIdentifier( clazz ) );
	}

	@Override
	public Set> getIndexedTypes() {
		return searchIntegrator.getIndexBindings().keySet().toPojosSet();
	}

	private IndexedTypeIdentifier convertTypeIdentifier(Class clazz) {
		return searchIntegrator.getIndexBindings().keyFromPojoType( clazz );
	}

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

	@Override
	public  T unwrap(Class cls) {
		if ( SearchIntegrator.class.isAssignableFrom( cls ) ) {
			return (T) searchIntegrator;
		}
		else {
			return searchIntegrator.unwrap( cls );
		}
	}

}