/*
    * Copyright 2010 James Pether Sörling
    *
    * 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.
   *
   *	$Id$
   *  $HeadURL$
  */
  package com.hack23.cia.service.data.impl;
  
  import javax.persistence.EntityManager;
  import javax.persistence.PersistenceContext;
  
  import org.hibernate.search.jpa.FullTextEntityManager;
  import org.hibernate.search.jpa.Search;
  import org.springframework.stereotype.Repository;
  
  import com.hack23.cia.service.data.api.SearchIndexer;
  
  /**
   * The Class SearchIndexerImpl.
   */
  @Repository
  final class SearchIndexerImpl implements SearchIndexer {
  
  	/** The Constant TIMEOUT_IN_SECONDS. */
  	private static final int TIMEOUT_IN_SECONDS = 900;
  
  	/** The entity manager. */
  	@PersistenceContext(name = "ciaPersistenceUnit")
  	private EntityManager entityManager;
  
  	/** The full text entity manager. */
  	private FullTextEntityManager fullTextEntityManager;
  
  	/**
  	 * Instantiates a new search indexer impl.
  	 */
  	public SearchIndexerImpl() {
  		super();
  	}
  
  	/**
  	 * Gets the full text entity manager.
  	 *
  	 * @return the full text entity manager
  	 */
  	private FullTextEntityManager getFullTextEntityManager() {
  	        if (fullTextEntityManager == null) {
  	        	fullTextEntityManager = Search.getFullTextEntityManager(entityManager);
  	        }
  	        return fullTextEntityManager;
  	}
  
  	@Override
  	public void updateSearchIndex() throws InterruptedException {
  		getFullTextEntityManager().createIndexer().transactionTimeout(TIMEOUT_IN_SECONDS).startAndWait();
  	}
  }