| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hadoop.yarn.server.resourcemanager.scheduler.common; |
| |
| import org.apache.hadoop.yarn.api.records.Resource; |
| import org.apache.hadoop.yarn.util.resource.Resources; |
| |
| /** |
| * {@link PendingAsk} is the class to include minimal information of how much |
| * resource to ask under constraints (e.g. on one host / rack / node-attributes) |
| * , etc. |
| */ |
| public class PendingAsk { |
| private final Resource perAllocationResource; |
| private final int count; |
| public final static PendingAsk ZERO = new PendingAsk(Resources.none(), 0); |
| |
| public PendingAsk(Resource res, int num) { |
| this.perAllocationResource = res; |
| this.count = num; |
| } |
| |
| public Resource getPerAllocationResource() { |
| return perAllocationResource; |
| } |
| |
| public int getCount() { |
| return count; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("<per-allocation-resource="); |
| sb.append(getPerAllocationResource()); |
| sb.append(",repeat="); |
| sb.append(getCount()); |
| sb.append(">"); |
| return sb.toString(); |
| } |
| } |