/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.openjpa.kernel;
/**
* Allows facades to control the particulars of persistence operations
* through callbacks.
*
* @author Abe White
*/
public interface OpCallbacks {
public static final int OP_PERSIST = 0;
public static final int OP_DELETE = 1;
public static final int OP_REFRESH = 2;
public static final int OP_RETRIEVE = 3;
public static final int OP_RELEASE = 4;
public static final int OP_EVICT = 5;
public static final int OP_ATTACH = 6;
public static final int OP_DETACH = 7;
public static final int OP_NONTRANSACTIONAL = 8;
public static final int OP_TRANSACTIONAL = 9;
public static final int OP_LOCK = 10;
public static final int ACT_NONE = 0;
public static final int ACT_CASCADE = 2 << 0;
public static final int ACT_RUN = 2 << 1;
/**
* Process operation argument. Throw proper
* {@link org.apache.openjpa.util.OpenJPAException} for illegal value.
*
* @param op the operation constant
* @param arg the object passed to the operation
* @param sm the argument's state manager, or null if none
* @return the action to take on the argument
*/
public int processArgument(int op, Object arg, OpenJPAStateManager sm);
}