/**
* 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.blur.thrift;
import java.util.Map;
import java.util.concurrent.locks.ReentrantLock;
public class ClientLock extends ReentrantLock {
private static final long serialVersionUID = -3246136431587733012L;
private final String _desc;
public ClientLock(String desc) {
_desc = desc;
}
public void errorFailLock() {
if (tryLock()) {
return;
}
Thread thread = getOwner();
throw new RuntimeException("Thread [" + thread + "] owns this " + _desc + "."
+ "Including the current stacktrace of the owner (ENDING with <<<<<<):\n\n" + getStackTrace(thread)
+ "\n<<<<<<\n");
}
private String getStackTrace(Thread thread) {
Map<Thread, StackTraceElement[]> allStackTraces = Thread.getAllStackTraces();
StackTraceElement[] stackTraceElements = allStackTraces.get(thread);
if (stackTraceElements != null) {
StringBuilder builder = new StringBuilder();
for (StackTraceElement stackTraceElement : stackTraceElements) {
builder.append("\tOwner at ").append(stackTraceElement.toString()).append("\n");
}
return builder.toString();
}
return "Unknown";
}
}