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.driver.resourcemanager;
020
021import org.apache.reef.annotations.audience.DriverSide;
022import org.apache.reef.annotations.audience.Private;
023import org.apache.reef.runtime.common.driver.catalog.ResourceCatalogImpl;
024import org.apache.reef.wake.EventHandler;
025
026import javax.inject.Inject;
027
028/**
029 * Updates the ResourceCatalog with a new Node.
030 */
031@Private
032@DriverSide
033public final class NodeDescriptorHandler implements EventHandler<NodeDescriptorEvent> {
034  private final ResourceCatalogImpl resourceCatalog;
035
036  @Inject
037  public NodeDescriptorHandler(final ResourceCatalogImpl resourceCatalog) {
038    this.resourceCatalog = resourceCatalog;
039  }
040
041  @Override
042  public void onNext(final NodeDescriptorEvent value) {
043    this.resourceCatalog.handle(value);
044  }
045}