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 15:30:38 -0400 (Wed, 25 Oct 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    }