1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 package org.apache.giraph.block_app.framework.api; 19 20 import org.apache.giraph.worker.WorkerAggregatorUsage; 21 import org.apache.hadoop.io.Writable; 22 import org.apache.hadoop.io.WritableComparable; 23 24 /** 25 * Block computation API available for worker send methods. 26 * 27 * Interface to the WorkerContext methods. 28 * 29 * @param <I> vertex Id type. 30 * @param <WM> Worker message type 31 */ 32 @SuppressWarnings("rawtypes") 33 public interface BlockWorkerContextSendApi 34 <I extends WritableComparable, WM extends Writable> 35 extends BlockWorkerContextApi<I>, WorkerAggregatorUsage { 36 /** 37 * Send message to another worker 38 * 39 * @param message Message to send 40 * @param workerIndex Index of the worker to send the message to 41 */ 42 void sendMessageToWorker(WM message, int workerIndex); 43 }