| /* |
| * 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. |
| * |
| */ |
| 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; |
| |
| } |