/** * 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.objects; import java.util.concurrent.CountDownLatch; import org.redisson.Redisson; import org.redisson.api.RRateLimiter; import org.redisson.api.RateIntervalUnit; import org.redisson.api.RateType; import org.redisson.api.RedissonClient; public class RateLimiterExamples { public static void main(String[] args) throws InterruptedException { // connects to 127.0.0.1:6379 by default RedissonClient redisson = Redisson.create(); RRateLimiter limiter = redisson.getRateLimiter("myLimiter"); // one permit per 2 seconds limiter.trySetRate(RateType.OVERALL, 1, 2, RateIntervalUnit.SECONDS); CountDownLatch latch = new CountDownLatch(2); limiter.acquire(1); latch.countDown(); Thread t = new Thread(() -> { limiter.acquire(1); latch.countDown(); }); t.start(); t.join(); latch.await(); redisson.shutdown(); } }