QueryHelper.java

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2012, Red Hat, Inc. and/or its affiliates, and individual
 * contributors by the @authors tag. See the copyright.txt in the 
 * distribution for a full listing of individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,  
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.as.quickstarts.kitchensink.util;

import javax.persistence.EntityManager;

import org.apache.lucene.search.Query;
import org.jboss.as.quickstarts.kitchensink.model.Member;

import org.hibernate.search.jpa.FullTextEntityManager;
import org.hibernate.search.jpa.FullTextQuery;
import org.hibernate.search.jpa.Search;
import org.hibernate.search.query.DatabaseRetrievalMethod;
import org.hibernate.search.query.ObjectLookupMethod;
import org.hibernate.search.query.dsl.QueryBuilder;

/**
 * @author Hardy Ferentschik
 */
public class QueryHelper {

	public static FullTextQuery createFulltextQuery(EntityManager em) {
		FullTextEntityManager fullTextEntityManager = Search.getFullTextEntityManager( em );
		QueryBuilder queryBuilder = fullTextEntityManager.getSearchFactory()
				.buildQueryBuilder()
				.forEntity( Member.class ).get();
		Query query = queryBuilder.all().createQuery();
		FullTextQuery fulltextQuery = fullTextEntityManager.createFullTextQuery( query );
		fulltextQuery.initializeObjectsWith( ObjectLookupMethod.SKIP, DatabaseRetrievalMethod.FIND_BY_ID );
		return fulltextQuery;
	}

}