| /* |
| * 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.broker.delayed; |
| |
| import io.netty.util.HashedWheelTimer; |
| import io.netty.util.Timer; |
| import io.netty.util.concurrent.DefaultThreadFactory; |
| import java.util.concurrent.TimeUnit; |
| import org.apache.pulsar.broker.PulsarService; |
| import org.apache.pulsar.broker.ServiceConfiguration; |
| import org.apache.pulsar.broker.service.persistent.PersistentDispatcherMultipleConsumers; |
| |
| public class InMemoryDelayedDeliveryTrackerFactory implements DelayedDeliveryTrackerFactory { |
| |
| private Timer timer; |
| |
| private long tickTimeMillis; |
| |
| private boolean isDelayedDeliveryDeliverAtTimeStrict; |
| |
| private long fixedDelayDetectionLookahead; |
| |
| @Override |
| public void initialize(PulsarService pulsarService) { |
| ServiceConfiguration config = pulsarService.getConfig(); |
| this.timer = new HashedWheelTimer(new DefaultThreadFactory("pulsar-delayed-delivery"), |
| config.getDelayedDeliveryTickTimeMillis(), TimeUnit.MILLISECONDS); |
| this.tickTimeMillis = config.getDelayedDeliveryTickTimeMillis(); |
| this.isDelayedDeliveryDeliverAtTimeStrict = config.isDelayedDeliveryDeliverAtTimeStrict(); |
| this.fixedDelayDetectionLookahead = config.getDelayedDeliveryFixedDelayDetectionLookahead(); |
| } |
| |
| @Override |
| public DelayedDeliveryTracker newTracker(PersistentDispatcherMultipleConsumers dispatcher) { |
| return new InMemoryDelayedDeliveryTracker(dispatcher, timer, tickTimeMillis, |
| isDelayedDeliveryDeliverAtTimeStrict, fixedDelayDetectionLookahead); |
| } |
| |
| @Override |
| public void close() { |
| if (timer != null) { |
| timer.stop(); |
| } |
| } |
| |
| } |