org.apache.pulsar.client.util.NoOpLock Maven / Gradle / Ivy

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/*
 * 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();
    }
}