lang/java/reef-bridge-proto-java/src/main/java/org/apache/reef/bridge/examples/hello/HelloREEF.java

/*
 * 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.bridge.examples.hello;

import org.apache.reef.bridge.driver.client.DriverClientConfiguration;
import org.apache.reef.bridge.proto.ClientProtocol;
import org.apache.reef.bridge.client.DriverServiceLauncher;
import org.apache.reef.examples.hello.HelloDriver;
import org.apache.reef.tang.Configuration;
import org.apache.reef.tang.exceptions.InjectionException;
import org.apache.reef.util.EnvironmentUtils;
import org.apache.reef.util.ThreadLogger;

import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * The Client for Hello REEF example.
 */
public final class HelloREEF {

  private static final Logger LOG = Logger.getLogger(HelloREEF.class.getName());

  /** Configuration of the HelloREEF driver. */
  private static final Configuration DRIVER_CONFIG =
      DriverClientConfiguration.CONF
          .set(DriverClientConfiguration.ON_DRIVER_STARTED, HelloDriver.StartHandler.class)
          .set(DriverClientConfiguration.ON_EVALUATOR_ALLOCATED, HelloDriver.EvaluatorAllocatedHandler.class)
          .build();

  /**
   * Start Hello REEF job with local runtime.
   * @param args command line parameters.
   * @throws InjectionException configuration error.
   */
  public static void main(final String[] args) throws InjectionException, IOException {

    final ClientProtocol.DriverClientConfiguration.Builder builder =
        ClientProtocol.DriverClientConfiguration.newBuilder();
    builder.setJobid("HelloREEF");
    builder.setEnableHttpDriver(false);
    builder.setOperatingSystem(ClientProtocol.DriverClientConfiguration.OS.LINUX);
    builder.setAzbatchRuntime(ClientProtocol.AzureBatchRuntimeParameters.newBuilder()
        .build());
    builder.addGlobalLibraries(EnvironmentUtils.getClassLocation(HelloDriver.class));

    DriverServiceLauncher.submit(builder.build(), DRIVER_CONFIG);
    LOG.log(Level.INFO, "REEF job completed");
    ThreadLogger.logThreads(LOG, Level.FINE, "Threads running at the end of HelloREEF:");
  }

  /** Empty private constructor to prohibit instantiation of utility class. */
  private HelloREEF() { }
}