| /** |
| * 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.resource; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Private; |
| import org.apache.hadoop.classification.InterfaceStability.Evolving; |
| import org.apache.hadoop.yarn.factories.RecordFactory; |
| import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider; |
| |
| @Private |
| @Evolving |
| public class Resource { |
| public static final RecordFactory recordFactory = RecordFactoryProvider.getRecordFactory(null); |
| public static final org.apache.hadoop.yarn.api.records.Resource NONE = createResource(0); |
| |
| |
| public static org.apache.hadoop.yarn.api.records.Resource createResource(int memory) { |
| org.apache.hadoop.yarn.api.records.Resource resource = recordFactory.newRecordInstance(org.apache.hadoop.yarn.api.records.Resource.class); |
| resource.setMemory(memory); |
| return resource; |
| } |
| |
| public static void addResource(org.apache.hadoop.yarn.api.records.Resource lhs, |
| org.apache.hadoop.yarn.api.records.Resource rhs) { |
| lhs.setMemory(lhs.getMemory() + rhs.getMemory()); |
| } |
| |
| public static void subtractResource(org.apache.hadoop.yarn.api.records.Resource lhs, |
| org.apache.hadoop.yarn.api.records.Resource rhs) { |
| lhs.setMemory(lhs.getMemory() - rhs.getMemory()); |
| } |
| |
| public static boolean equals(org.apache.hadoop.yarn.api.records.Resource lhs, |
| org.apache.hadoop.yarn.api.records.Resource rhs) { |
| return lhs.getMemory() == rhs.getMemory(); |
| } |
| |
| public static boolean lessThan(org.apache.hadoop.yarn.api.records.Resource lhs, |
| org.apache.hadoop.yarn.api.records.Resource rhs) { |
| return lhs.getMemory() < rhs.getMemory(); |
| } |
| |
| public static boolean lessThanOrEqual(org.apache.hadoop.yarn.api.records.Resource lhs, |
| org.apache.hadoop.yarn.api.records.Resource rhs) { |
| return lhs.getMemory() <= rhs.getMemory(); |
| } |
| |
| public static boolean greaterThan(org.apache.hadoop.yarn.api.records.Resource lhs, |
| org.apache.hadoop.yarn.api.records.Resource rhs) { |
| return lhs.getMemory() > rhs.getMemory(); |
| } |
| |
| public static boolean greaterThanOrEqual(org.apache.hadoop.yarn.api.records.Resource lhs, |
| org.apache.hadoop.yarn.api.records.Resource rhs) { |
| return lhs.getMemory() >= rhs.getMemory(); |
| } |
| } |