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.samza.job.yarn.util; import org.apache.hadoop.yarn.api.records.*; import org.apache.hadoop.yarn.client.api.NMClient; import org.apache.hadoop.yarn.exceptions.YarnException; import java.io.IOException; import java.nio.ByteBuffer; import java.util.HashMap; import java.util.Map; public class MockNMClient extends NMClient { public MockNMClient(String name) { super(name); } @Override public Map<String, ByteBuffer> startContainer(Container container, ContainerLaunchContext containerLaunchContext) throws YarnException, IOException { return new HashMap<>(); } @Override public void stopContainer(ContainerId containerId, NodeId nodeId) throws YarnException, IOException { } @Override public ContainerStatus getContainerStatus(ContainerId containerId, NodeId nodeId) throws YarnException, IOException { return null; } @Override public void cleanupRunningContainersOnStop(boolean enabled) { } }