geronimo-spec-jpa/src/main/java/javax/persistence/EntityManager.java

/**
 *
 * Copyright 2006 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

//
// This source code implements specifications defined by the Java
// Community Process. In order to remain compliant with the specification
// DO NOT add / change / or delete method signatures!
//
package javax.persistence;

/**
 * @version $Revision$ $Date$
 */
public interface EntityManager {

	public void persist(Object entity);

	public <T> T merge(T entity);

	public void remove(Object entity);

	public <T> T find(Class<T> entityClass, Object primaryKey);

	public <T> T getReference(Class<T> entityClass, Object primaryKey);

	public void flush();

	public void setFlushMode(FlushModeType flushMode);

	public FlushModeType getFlushMode();

    public void lock(Object entity, LockModeType lockMode);

	public void refresh(Object entity);

	public void clear();

	public boolean contains(Object entity);

	public Query createQuery(String ejbqlString);

	public Query createNamedQuery(String name);

	public Query createNativeQuery(String sqlString);

	public Query createNativeQuery(String sqlString, Class resultClass);

	public Query createNativeQuery(String sqlString, String resultSetMapping);

	public void close();

	public boolean isOpen();

	public EntityTransaction getTransaction();

	public void joinTransaction();

	public Object getDelegate();
}