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.flink.tez.client; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.flink.api.common.JobExecutionResult; import org.apache.flink.api.common.Plan; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.conf.Configured; import org.apache.hadoop.fs.Path; import org.apache.hadoop.security.UserGroupInformation; import org.apache.hadoop.util.Tool; import org.apache.tez.dag.api.TezConfiguration; public class TezExecutorTool extends Configured implements Tool { private static final Log LOG = LogFactory.getLog(TezExecutorTool.class); private TezExecutor executor; Plan plan; private Path jarPath = null; public TezExecutorTool(TezExecutor executor, Plan plan) { this.executor = executor; this.plan = plan; } public void setJobJar(Path jarPath) { this.jarPath = jarPath; } @Override public int run(String[] args) throws Exception { Configuration conf = getConf(); TezConfiguration tezConf; if (conf != null) { tezConf = new TezConfiguration(conf); } else { tezConf = new TezConfiguration(); } UserGroupInformation.setConfiguration(tezConf); executor.setConfiguration(tezConf); try { if (jarPath != null) { executor.setJobJar(jarPath); } JobExecutionResult result = executor.executePlan(plan); } catch (Exception e) { LOG.error("Job execution failed due to: " + e.getMessage()); throw new RuntimeException(e.getMessage()); } return 0; } }