001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 // 021 // This source code implements specifications defined by the Java 022 // Community Process. In order to remain compliant with the specification 023 // DO NOT add / change / or delete method signatures! 024 // 025 package javax.persistence; 026 027 /** 028 * @version $Rev: 467742 $ $Date: 2006-10-25 21:30:38 +0200 (Mi, 25. Okt 2006) $ 029 */ 030 public interface EntityManager { 031 032 public void persist(Object entity); 033 034 public <T> T merge(T entity); 035 036 public void remove(Object entity); 037 038 public <T> T find(Class<T> entityClass, Object primaryKey); 039 040 public <T> T getReference(Class<T> entityClass, Object primaryKey); 041 042 public void flush(); 043 044 public void setFlushMode(FlushModeType flushMode); 045 046 public FlushModeType getFlushMode(); 047 048 public void lock(Object entity, LockModeType lockMode); 049 050 public void refresh(Object entity); 051 052 public void clear(); 053 054 public boolean contains(Object entity); 055 056 public Query createQuery(String ejbqlString); 057 058 public Query createNamedQuery(String name); 059 060 public Query createNativeQuery(String sqlString); 061 062 public Query createNativeQuery(String sqlString, Class resultClass); 063 064 public Query createNativeQuery(String sqlString, String resultSetMapping); 065 066 public void close(); 067 068 public boolean isOpen(); 069 070 public EntityTransaction getTransaction(); 071 072 public void joinTransaction(); 073 074 public Object getDelegate(); 075 }