/** * Copyright (c) 2016-2019 Nikita Koksharov * * 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 org.redisson.example.locks; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.TimeUnit; import org.redisson.Redisson; import org.redisson.api.RCountDownLatch; import org.redisson.api.RedissonClient; public class CountDownLatchExamples { public static void main(String[] args) throws InterruptedException { // connects to 127.0.0.1:6379 by default RedissonClient redisson = Redisson.create(); ExecutorService executor = Executors.newFixedThreadPool(2); final RCountDownLatch latch = redisson.getCountDownLatch("latch1"); latch.trySetCount(1); executor.execute(new Runnable() { @Override public void run() { latch.countDown(); } }); executor.execute(new Runnable() { @Override public void run() { try { latch.await(550, TimeUnit.MILLISECONDS); } catch (InterruptedException e) { e.printStackTrace(); } } }); executor.shutdown(); executor.awaitTermination(10, TimeUnit.SECONDS); } }