| /* |
| * 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.giraph.worker; |
| |
| import org.apache.giraph.conf.DefaultImmutableClassesGiraphConfigurable; |
| import org.apache.giraph.master.AggregatorBroadcast; |
| import org.apache.hadoop.io.Writable; |
| import org.apache.hadoop.io.WritableComparable; |
| |
| /** |
| * Class for delegating WorkerAggregatorUsage and |
| * WorkerGlobalCommUsage methods to corresponding interface. |
| * |
| * @param <I> Vertex id |
| * @param <V> Vertex data |
| * @param <E> Edge data |
| */ |
| public abstract class WorkerAggregatorDelegator<I extends WritableComparable, |
| V extends Writable, E extends Writable> |
| extends DefaultImmutableClassesGiraphConfigurable<I, V, E> |
| implements WorkerAggregatorUsage, WorkerGlobalCommUsage { |
| |
| /** Worker aggregator usage */ |
| private WorkerGlobalCommUsage workerGlobalCommUsage; |
| |
| /** |
| * Set worker global communication usage |
| * |
| * @param workerGlobalCommUsage Worker global communication usage |
| */ |
| public void setWorkerGlobalCommUsage( |
| WorkerGlobalCommUsage workerGlobalCommUsage) { |
| this.workerGlobalCommUsage = workerGlobalCommUsage; |
| } |
| |
| @Override |
| public final void reduce(String name, Object value) { |
| workerGlobalCommUsage.reduce(name, value); |
| } |
| |
| @Override |
| public void reduceMerge(String name, Writable value) { |
| workerGlobalCommUsage.reduceMerge(name, value); |
| } |
| |
| @Override |
| public final <B extends Writable> B getBroadcast(String name) { |
| return workerGlobalCommUsage.getBroadcast(name); |
| } |
| |
| @Override |
| public final <A extends Writable> void aggregate(String name, A value) { |
| reduce(name, value); |
| } |
| |
| @Override |
| public <A extends Writable> A getAggregatedValue(String name) { |
| AggregatorBroadcast<A> broadcast = workerGlobalCommUsage.getBroadcast(name); |
| return broadcast.getValue(); |
| } |
| } |