SearchIndexerImpl.java

  1. /*
  2.  * Copyright 2010 James Pether Sörling
  3.  *
  4.  * Licensed under the Apache License, Version 2.0 (the "License");
  5.  * you may not use this file except in compliance with the License.
  6.  * You may obtain a copy of the License at
  7.  *
  8.  *   http://www.apache.org/licenses/LICENSE-2.0
  9.  *
  10.  * Unless required by applicable law or agreed to in writing, software
  11.  * distributed under the License is distributed on an "AS IS" BASIS,
  12.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13.  * See the License for the specific language governing permissions and
  14.  * limitations under the License.
  15.  *
  16.  *  $Id$
  17.  *  $HeadURL$
  18. */
  19. package com.hack23.cia.service.data.impl;

  20. import javax.persistence.EntityManager;
  21. import javax.persistence.PersistenceContext;

  22. import org.hibernate.search.jpa.FullTextEntityManager;
  23. import org.hibernate.search.jpa.Search;
  24. import org.springframework.stereotype.Repository;

  25. import com.hack23.cia.service.data.api.SearchIndexer;

  26. /**
  27.  * The Class SearchIndexerImpl.
  28.  */
  29. @Repository
  30. final class SearchIndexerImpl implements SearchIndexer {

  31.     /** The Constant TIMEOUT_IN_SECONDS. */
  32.     private static final int TIMEOUT_IN_SECONDS = 900;

  33.     /** The entity manager. */
  34.     @PersistenceContext(name = "ciaPersistenceUnit")
  35.     private EntityManager entityManager;

  36.     /** The full text entity manager. */
  37.     private FullTextEntityManager fullTextEntityManager;

  38.     /**
  39.      * Instantiates a new search indexer impl.
  40.      */
  41.     public SearchIndexerImpl() {
  42.         super();
  43.     }

  44.     /**
  45.      * Gets the full text entity manager.
  46.      *
  47.      * @return the full text entity manager
  48.      */
  49.     private FullTextEntityManager getFullTextEntityManager() {
  50.             if (fullTextEntityManager == null) {
  51.                 fullTextEntityManager = Search.getFullTextEntityManager(entityManager);
  52.             }
  53.             return fullTextEntityManager;
  54.     }

  55.     @Override
  56.     public void updateSearchIndex() throws InterruptedException {
  57.         getFullTextEntityManager().createIndexer().transactionTimeout(TIMEOUT_IN_SECONDS).startAndWait();
  58.     }
  59. }