org.apache.pulsar.client.util.NoOpLock Maven / Gradle / Ivy
/*
* 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.pulsar.client.util;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
public class NoOpLock implements Lock {
public static final NoOpLock INSTANCE = new NoOpLock();
public void lock() {
}
public void lockInterruptibly() throws InterruptedException {
if (Thread.interrupted()) {
throw new InterruptedException();
}
}
public boolean tryLock() {
return true;
}
public boolean tryLock(long l, TimeUnit tu) throws InterruptedException {
if (Thread.interrupted()) {
throw new InterruptedException();
} else {
return true;
}
}
public void unlock() {
}
public Condition newCondition() {
throw new UnsupportedOperationException();
}
}