| /* |
| * 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.clerezza.commons.rdf.impl.utils.debug; |
| |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.locks.Condition; |
| import java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock; |
| |
| /** |
| * |
| * @author mir |
| */ |
| public class WriteLockDebug extends WriteLock { |
| |
| private ReentrantReadWriteLockTracker lock; |
| private WriteLock writeLock; |
| private StackTraceElement[] stackTrace; |
| |
| public WriteLockDebug(ReentrantReadWriteLockTracker lock) { |
| super(lock); |
| this.lock = lock; |
| this.writeLock = lock.realWriteLock(); |
| } |
| |
| @Override |
| public int getHoldCount() { |
| return writeLock.getHoldCount(); |
| } |
| |
| @Override |
| public boolean isHeldByCurrentThread() { |
| return writeLock.isHeldByCurrentThread(); |
| } |
| |
| @Override |
| public void lock() { |
| writeLock.lock(); |
| stackTrace = Thread.currentThread().getStackTrace(); |
| } |
| |
| @Override |
| public void lockInterruptibly() throws InterruptedException { |
| writeLock.lockInterruptibly(); |
| } |
| |
| @Override |
| public Condition newCondition() { |
| return writeLock.newCondition(); |
| } |
| |
| @Override |
| public boolean tryLock() { |
| return writeLock.tryLock(); |
| } |
| |
| @Override |
| public boolean tryLock(long timeout, TimeUnit unit) throws InterruptedException { |
| return writeLock.tryLock(timeout, unit); |
| } |
| |
| @Override |
| public void unlock() { |
| writeLock.unlock(); |
| stackTrace = null; |
| } |
| |
| public StackTraceElement[] getStackTrace() { |
| return stackTrace; |
| } |
| |
| |
| } |