Source code

001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.reef.runtime.common.utils;
020
021import org.apache.reef.wake.EventHandler;
022import org.apache.reef.wake.remote.RemoteIdentifierFactory;
023import org.apache.reef.wake.remote.RemoteMessage;
024
025import javax.inject.Inject;
026import java.util.logging.Level;
027import java.util.logging.Logger;
028
029/**
030 * Wrapper for org.apache.reef.wake.remote.RemoteManager.
031 */
032public class RemoteManager {
033
034  private static final Logger LOG = Logger.getLogger(RemoteManager.class.getName());
035
036  private final org.apache.reef.wake.remote.RemoteManager raw;
037  private final RemoteIdentifierFactory factory;
038
039  @Inject
040  public RemoteManager(final org.apache.reef.wake.remote.RemoteManager raw,
041                       final RemoteIdentifierFactory factory) {
042    this.raw = raw;
043    this.factory = factory;
044    LOG.log(Level.FINE, "Instantiated 'RemoteManager' with remoteId: {0}", this.getMyIdentifier());
045  }
046
047  public final org.apache.reef.wake.remote.RemoteManager raw() {
048    return this.raw;
049  }
050
051  public void close() throws Exception {
052    this.raw.close();
053  }
054
055  public <T> EventHandler<T> getHandler(
056      final String destinationIdentifier, final Class<? extends T> messageType) {
057    return this.raw.getHandler(factory.getNewInstance(destinationIdentifier), messageType);
058  }
059
060  public <T, U extends T> AutoCloseable registerHandler(
061      final String sourceIdentifier, final Class<U> messageType,
062      final EventHandler<T> theHandler) {
063    return this.raw.registerHandler(factory.getNewInstance(sourceIdentifier), messageType, theHandler);
064  }
065
066  public <T, U extends T> AutoCloseable registerHandler(
067      final Class<U> messageType, final EventHandler<RemoteMessage<T>> theHandler) {
068    return this.raw.registerHandler(messageType, theHandler);
069  }
070
071  // TODO[JIRA REEF-547]: This method uses deprecated raw.registerErrorHandler.
072  /**
073   * @deprecated in 0.14, will be deleted in 0.15
074   */
075  @Deprecated
076  public AutoCloseable registerErrorHandler(final EventHandler<Exception> theHandler) {
077    return this.raw.registerErrorHandler(theHandler);
078  }
079
080  public String getMyIdentifier() {
081    return this.raw.getMyIdentifier().toString();
082  }
083}
084