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.driver.restart; 020 021import org.apache.reef.annotations.Provided; 022import org.apache.reef.annotations.Unstable; 023import org.apache.reef.annotations.audience.Public; 024import org.apache.reef.wake.time.Time; 025 026/** 027 * The object used to notify the user that the Driver Restart process has been completed. 028 */ 029@Public 030@Unstable 031@Provided 032public interface DriverRestartCompleted { 033 034 /** 035 * @return the completed time of Driver restart. 036 */ 037 Time getCompletedTime(); 038 039 /** 040 * @return True if Driver restart completion was triggered by a timeout. False if triggered due to all Evaluators 041 * reporting back. 042 */ 043 boolean isTimedOut(); 044}