/*
* 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;
/**
* Defines lock levels used for MixedLockManager.
*
* @author Albert Lee
* @since 2.0.0
*/
public interface MixedLockLevels extends LockLevels {
/**
* Generic optimistic read lock level. Value of 15.
*
*/
public static final int LOCK_OPTIMISTIC = LOCK_READ + 5;
/**
* Generic optimistic write lock level. Value of 25.
*/
public static final int LOCK_OPTIMISTIC_FORCE_INCREMENT =
LockLevels.LOCK_WRITE + 5;
/**
* Generic pessimistic read lock level. Value of 30.
*/
public static final int LOCK_PESSIMISTIC_READ = 30;
/**
* Generic pessimistic write lock level. Value of 40.
*/
public static final int LOCK_PESSIMISTIC_WRITE = 40;
/**
* Generic pessimistic force increment level. Value of 50.
*/
public static final int LOCK_PESSIMISTIC_FORCE_INCREMENT = 50;
}