1 package org.apache.onami.persist;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import javax.inject.Inject;
23 import javax.inject.Provider;
24 import javax.inject.Singleton;
25 import javax.persistence.EntityManagerFactory;
26
27 /**
28 * Source for {@link javax.persistence.EntityManagerFactory}.
29 * The sourced instance is provided by guice.
30 */
31 @Singleton
32 class EntityManagerFactorySourceViaProvider
33 implements EntityManagerFactorySource
34 {
35
36 private final Provider<EntityManagerFactory> emfProvider;
37
38 /**
39 * Constructor.
40 *
41 * @param emfProvider the provider which gives access to the instance coming from the container.
42 */
43 @Inject
44 public EntityManagerFactorySourceViaProvider( @ForContainerManaged Provider<EntityManagerFactory> emfProvider )
45 {
46 this.emfProvider = emfProvider;
47 }
48
49 /**
50 * {@inheritDoc}
51 */
52 //@Override
53 public EntityManagerFactory getEntityManagerFactory()
54 {
55 return emfProvider.get();
56 }
57
58 }