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.tests.library.driver; 020 021import org.apache.reef.driver.evaluator.EvaluatorRequest; 022import org.apache.reef.driver.evaluator.EvaluatorRequestor; 023import org.apache.reef.wake.EventHandler; 024import org.apache.reef.wake.time.event.StartTime; 025 026import javax.inject.Inject; 027 028/** 029 * A Driver start handler that requests a single Evaluator of size 64MB. 030 */ 031public final class OnDriverStartedAllocateOne implements EventHandler<StartTime> { 032 033 private final EvaluatorRequestor requestor; 034 035 @Inject 036 OnDriverStartedAllocateOne(final EvaluatorRequestor requestor) { 037 this.requestor = requestor; 038 } 039 040 @Override 041 public void onNext(final StartTime startTime) { 042 this.requestor.submit(EvaluatorRequest.newBuilder() 043 .setMemory(64) 044 .setNumber(1) 045 .setNumberOfCores(1) 046 .build()); 047 } 048}