com.google.code.tempusfugit.concurrency.CountDownLatchWithTimeout Maven / Gradle / Ivy

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/*
 * Copyright (c) 2009-2011, tempus-fugit committers
 *
 * Licensed 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 com.google.code.tempusfugit.concurrency;

import com.google.code.tempusfugit.temporal.Duration;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeoutException;

import static java.util.concurrent.TimeUnit.MILLISECONDS;

public class CountDownLatchWithTimeout {

    private final CountDownLatch latch;

    private CountDownLatchWithTimeout(CountDownLatch latch) {
        this.latch = latch;
    }

    public static CountDownLatchWithTimeout await(CountDownLatch latch) {
        return new CountDownLatchWithTimeout(latch);
    }

    public void with(Duration timeout) throws InterruptedException, TimeoutException {
        if (!latch.await(timeout.inMillis(), MILLISECONDS))
            throw new TimeoutException();
    }
}