/*

  * 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.block_app.framework.api.giraph;

 import org.apache.giraph.block_app.framework.api.BlockWorkerContextReceiveApi;

 import org.apache.giraph.block_app.framework.api.BlockWorkerContextSendApi;

 import org.apache.giraph.block_app.framework.api.Counter;

 import org.apache.giraph.block_app.framework.internal.BlockCounters;

 import org.apache.giraph.conf.ImmutableClassesGiraphConfiguration;

 import org.apache.giraph.worker.WorkerContext;

 import org.apache.hadoop.io.Writable;

 import org.apache.hadoop.io.WritableComparable;

 /**

  * Giraph implementation of BlockWorkerContextReceiveApi and

  * BlockWorkerContextSendApi, passing all calls to WorkerContext.

  *

  * @param <I> vertex Id type.

  * @param <WM> Worker message type

  */

 final class BlockWorkerContextApiWrapper

     <I extends WritableComparable, WM extends Writable> implements

     BlockWorkerContextReceiveApi<I>, BlockWorkerContextSendApi<I, WM> {

   private final WorkerContext workerContext;

   public BlockWorkerContextApiWrapper(WorkerContext workerContext) {

     this.workerContext = workerContext;

   }

   @Override

   public ImmutableClassesGiraphConfiguration<?, ?, ?> getConf() {

     return workerContext.getConf();

   }

   @Override

   public int getWorkerCount() {

     return workerContext.getWorkerCount();

   }

   @Override

   public int getMyWorkerIndex() {

     return workerContext.getMyWorkerIndex();

   }

   @Override

   public int getWorkerForVertex(I vertexId) {

     return workerContext.getWorkerForVertex(vertexId);

   }

   @Override

   public <A extends Writable> A getAggregatedValue(String name) {

     return workerContext.getAggregatedValue(name);

   }

   @Override

   public <A extends Writable> void aggregate(String name, A value) {

     workerContext.aggregate(name, value);

   }

   @Override

   public void sendMessageToWorker(WM message, int workerIndex) {

     workerContext.sendMessageToWorker(message, workerIndex);

   }

   @Override

   public <B extends Writable> B getBroadcast(String name) {

     return workerContext.getBroadcast(name);

   }

   @Override

   public long getTotalNumEdges() {

     return workerContext.getTotalNumEdges();

   }

   @Override

   public long getTotalNumVertices() {

     return workerContext.getTotalNumVertices();

   }

   @Override

   public Counter getCounter(String group, String name) {

     return BlockCounters.getCounter(workerContext.getContext(), group, name);

   }

   @Override

   public void progress() {

     workerContext.getContext().progress();

   }

   @Override

   public void setStatus(String status) {

     workerContext.getContext().setStatus(status);

   }

 }