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1   /*
2    * Copyright (c) 2002-2022, City of Paris
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met:
8    *
9    *  1. Redistributions of source code must retain the above copyright notice
10   *     and the following disclaimer.
11   *
12   *  2. Redistributions in binary form must reproduce the above copyright notice
13   *     and the following disclaimer in the documentation and/or other materials
14   *     provided with the distribution.
15   *
16   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17   *     contributors may be used to endorse or promote products derived from
18   *     this software without specific prior written permission.
19   *
20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30   * POSSIBILITY OF SUCH DAMAGE.
31   *
32   * License 1.0
33   */
34  package fr.paris.lutece.portal.service.jpa;
35  
36  import fr.paris.lutece.util.jpa.JPAConstants;
37  
38  import java.util.Map;
39  
40  import javax.persistence.EntityManagerFactory;
41  
42  import org.apache.logging.log4j.LogManager;
43  import org.apache.logging.log4j.Logger;
44  
45  /**
46   * Class EntityManagerService
47   */
48  public class EntityManagerService
49  {
50      private static Logger _log = LogManager.getLogger( JPAConstants.JPA_LOGGER );
51      private static Map<String, EntityManagerFactory> _mapFactories;
52  
53      /**
54       * Sets the map of factories (injected in core_context.xml)
55       * 
56       * @param mapFactories
57       *            The factories map
58       */
59      public void setMapFactories( Map<String, EntityManagerFactory> mapFactories )
60      {
61          _mapFactories = mapFactories;
62      }
63  
64      /**
65       * Returns all factories
66       * 
67       * @return all factories
68       */
69      public Map<String, EntityManagerFactory> getEntityManagerFactories( )
70      {
71          return _mapFactories;
72      }
73  
74      /**
75       * Gets an Entity Manager Factory for a given pool name
76       * 
77       * @param strPoolName
78       *            The name of the persistence pool name
79       * @return An Entity Manager Factory
80       */
81      public EntityManagerFactory getEntityManagerFactory( String strPoolName )
82      {
83          EntityManagerFactory emf = _mapFactories.get( strPoolName );
84  
85          if ( emf == null )
86          {
87              _log.error( "EntityManagerService Error - No factory was found for pool : {}", strPoolName );
88          }
89  
90          return emf;
91      }
92  }