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.runtime.common.driver.context; 020 021import org.apache.reef.annotations.audience.DriverSide; 022import org.apache.reef.annotations.audience.Private; 023import org.apache.reef.driver.context.ActiveContext; 024import org.apache.reef.driver.context.ClosedContext; 025import org.apache.reef.driver.evaluator.EvaluatorDescriptor; 026import org.apache.reef.util.Optional; 027 028/** 029 * Driver side representation of a closed context. 030 */ 031@DriverSide 032@Private 033public final class ClosedContextImpl implements ClosedContext { 034 035 036 private final ActiveContext parentContext; 037 private final String contextID; 038 private final String evaluatorId; 039 private final EvaluatorDescriptor evaluatorDescriptor; 040 041 /** 042 * @param parentContext the parent context. 043 * @param contextID the id of the closed context 044 * @param evaluatorId the id of the evaluator on which the context was closed 045 * @param evaluatorDescriptor the descriptor of the evaluator on which the context was closed. 046 */ 047 public ClosedContextImpl(final ActiveContext parentContext, 048 final String contextID, 049 final String evaluatorId, 050 final EvaluatorDescriptor evaluatorDescriptor) { 051 this.parentContext = parentContext; 052 this.contextID = contextID; 053 this.evaluatorId = evaluatorId; 054 this.evaluatorDescriptor = evaluatorDescriptor; 055 } 056 057 @Override 058 public ActiveContext getParentContext() { 059 return parentContext; 060 } 061 062 @Override 063 public String getId() { 064 return this.contextID; 065 } 066 067 @Override 068 public String getEvaluatorId() { 069 return this.evaluatorId; 070 } 071 072 @Override 073 public Optional<String> getParentId() { 074 return Optional.of(this.parentContext.getId()); 075 } 076 077 @Override 078 public EvaluatorDescriptor getEvaluatorDescriptor() { 079 return this.evaluatorDescriptor; 080 } 081 082 @Override 083 public String toString() { 084 return "ClosedContext{" + 085 "contextID='" + contextID + '\'' + 086 '}'; 087 } 088}