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.io.network.group.impl.operators;
020
021import org.apache.reef.exception.evaluator.NetworkException;
022import org.apache.reef.io.network.Connection;
023import org.apache.reef.io.network.group.api.operators.AbstractGroupCommOperator;
024import org.apache.reef.io.network.impl.NetworkService;
025import org.apache.reef.io.network.group.impl.GroupCommunicationMessage;
026import org.apache.reef.io.network.util.StringIdentifierFactory;
027import org.apache.reef.wake.Identifier;
028import org.apache.reef.wake.IdentifierFactory;
029
030import java.util.logging.Logger;
031
032public class Sender extends AbstractGroupCommOperator {
033
034  private static final Logger LOG = Logger.getLogger(Sender.class.getName());
035
036  private final NetworkService<GroupCommunicationMessage> netService;
037  private final IdentifierFactory idFac = new StringIdentifierFactory();
038
039  public Sender(final NetworkService<GroupCommunicationMessage> netService) {
040    this.netService = netService;
041  }
042
043  public void send(final GroupCommunicationMessage msg) throws NetworkException {
044    LOG.entering("Sender", "send", msg);
045    final String dest = msg.getDestid();
046    send(msg, dest);
047    LOG.exiting("Sender", "send", msg);
048  }
049
050  public void send(final GroupCommunicationMessage msg, final String dest) throws NetworkException {
051    LOG.entering("Sender", "send", msg);
052    final Identifier destId = idFac.getNewInstance(dest);
053    final Connection<GroupCommunicationMessage> link = netService.newConnection(destId);
054    link.open();
055    link.write(msg);
056    LOG.exiting("Sender", "send", msg);
057  }
058}