| /* |
| * 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.servicecomb.pack.alpha.fsm.channel.memory; |
| |
| import akka.actor.ActorRef; |
| import akka.actor.ActorSystem; |
| import java.lang.invoke.MethodHandles; |
| import org.apache.servicecomb.pack.alpha.core.fsm.event.base.BaseEvent; |
| import org.apache.servicecomb.pack.alpha.fsm.channel.AbstractEventConsumer; |
| import org.apache.servicecomb.pack.alpha.fsm.metrics.MetricsService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class MemorySagaEventConsumer extends AbstractEventConsumer { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| final MemoryActorEventChannel channel; |
| |
| public MemorySagaEventConsumer(ActorSystem actorSystem, ActorRef sagaShardRegionActor, MetricsService metricsService, |
| MemoryActorEventChannel channel) { |
| super(actorSystem, sagaShardRegionActor, metricsService); |
| this.channel = channel; |
| new Thread(new MemorySagaEventConsumer.EventConsumer(), "MemorySagaEventConsumer").start(); |
| } |
| |
| class EventConsumer implements Runnable { |
| |
| @Override |
| public void run() { |
| while (true) { |
| try { |
| BaseEvent event = channel.getEventQueue().peek(); |
| if (event != null) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("event {}", event); |
| } |
| long begin = System.currentTimeMillis(); |
| metricsService.metrics().doActorReceived(); |
| sagaShardRegionActor.tell(event, sagaShardRegionActor); |
| long end = System.currentTimeMillis(); |
| metricsService.metrics().doActorAccepted(); |
| metricsService.metrics().doActorAvgTime(end - begin); |
| channel.getEventQueue().poll(); |
| } else { |
| Thread.sleep(10); |
| } |
| } catch (Exception ex) { |
| metricsService.metrics().doActorRejected(); |
| LOG.error(ex.getMessage(), ex); |
| } |
| } |
| } |
| } |
| } |