com.qq.tars.common.util.DyeingKeyCache Maven / Gradle / Ivy
/**
* Tencent is pleased to support the open source community by making Tars available.
*
* Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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 com.qq.tars.common.util;
import java.util.concurrent.locks.ReentrantReadWriteLock;
public class DyeingKeyCache {
private static final DyeingKeyCache instance = new DyeingKeyCache();
private static final TableUtil cache_table = TableUtil.getTable();
private final ReentrantReadWriteLock readWriteLock = new ReentrantReadWriteLock();
private DyeingKeyCache() {
}
public static DyeingKeyCache getInstance() {
return instance;
}
public String get(String servantName, String interfaceName) {
try {
readWriteLock.readLock().lock();
return cache_table.get(servantName, interfaceName);
} finally {
readWriteLock.readLock().unlock();
}
}
public void set(String servantName, String interfaceName, String routeKey) {
try {
readWriteLock.writeLock().lock();
cache_table.set(servantName, interfaceName, routeKey);
} finally {
readWriteLock.writeLock().unlock();
}
}
}