Java tutorial
/* * 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.reef.vortex.driver; import org.apache.commons.lang.SerializationUtils; import org.apache.reef.annotations.audience.DriverSide; import org.apache.reef.driver.task.RunningTask; import org.apache.reef.vortex.common.VortexRequest; import javax.inject.Inject; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; /** * Takes the serialization work from the scheduler thread. */ @DriverSide class VortexRequestor { private final ExecutorService executorService = Executors.newCachedThreadPool(); @Inject VortexRequestor() { } void send(final RunningTask reefTask, final VortexRequest vortexRequest) { executorService.execute(new Runnable() { @Override public void run() { // Possible race condition with VortexWorkerManager#terminate is addressed by the global lock in VortexMaster reefTask.send(SerializationUtils.serialize(vortexRequest)); } }); } }