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.client; 020 021import org.apache.reef.annotations.Provided; 022import org.apache.reef.annotations.audience.ClientSide; 023import org.apache.reef.annotations.audience.Public; 024import org.apache.reef.io.naming.Identifiable; 025import org.apache.reef.runtime.common.client.RunningJobImpl; 026import org.apache.reef.tang.annotations.DefaultImplementation; 027 028/** 029 * Represents a running REEF job. 030 */ 031@Public 032@ClientSide 033@Provided 034@DefaultImplementation(RunningJobImpl.class) 035public interface RunningJob extends Identifiable, AutoCloseable { 036 037 /** 038 * Cancels the running Job. 039 */ 040 @Override 041 void close(); 042 043 /** 044 * Cancels the running Job. 045 * 046 * @param message delivered along with cancel request. 047 */ 048 void close(final byte[] message); 049 050 /** 051 * @return the ID of the running job. 052 */ 053 @Override 054 String getId(); 055 056 /** 057 * Send a message to the Driver. 058 * 059 * @param message to send to the running driver 060 */ 061 void send(final byte[] message); 062}