1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20 //
21 // This source code implements specifications defined by the Java
22 // Community Process. In order to remain compliant with the specification
23 // DO NOT add / change / or delete method signatures!
24 //
25 package javax.persistence;
26
27 /**
28 * @version $Rev: 467742 $ $Date: 2006-10-25 12:30:38 -0700 (Wed, 25 Oct 2006) $
29 */
30 public interface EntityManager {
31
32 public void persist(Object entity);
33
34 public <T> T merge(T entity);
35
36 public void remove(Object entity);
37
38 public <T> T find(Class<T> entityClass, Object primaryKey);
39
40 public <T> T getReference(Class<T> entityClass, Object primaryKey);
41
42 public void flush();
43
44 public void setFlushMode(FlushModeType flushMode);
45
46 public FlushModeType getFlushMode();
47
48 public void lock(Object entity, LockModeType lockMode);
49
50 public void refresh(Object entity);
51
52 public void clear();
53
54 public boolean contains(Object entity);
55
56 public Query createQuery(String ejbqlString);
57
58 public Query createNamedQuery(String name);
59
60 public Query createNativeQuery(String sqlString);
61
62 public Query createNativeQuery(String sqlString, Class resultClass);
63
64 public Query createNativeQuery(String sqlString, String resultSetMapping);
65
66 public void close();
67
68 public boolean isOpen();
69
70 public EntityTransaction getTransaction();
71
72 public void joinTransaction();
73
74 public Object getDelegate();
75 }