org.apache.openjpa.kernel.MixedLockLevels Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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*/
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.
*
*/
int LOCK_OPTIMISTIC = LOCK_READ + 5;
/**
* Generic optimistic write lock level. Value of 25.
*/
int LOCK_OPTIMISTIC_FORCE_INCREMENT =
LockLevels.LOCK_WRITE + 5;
/**
* Generic pessimistic read lock level. Value of 30.
*/
int LOCK_PESSIMISTIC_READ = 30;
/**
* Generic pessimistic write lock level. Value of 40.
*/
int LOCK_PESSIMISTIC_WRITE = 40;
/**
* Generic pessimistic force increment level. Value of 50.
*/
int LOCK_PESSIMISTIC_FORCE_INCREMENT = 50;
}