| /** |
| * 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.webapp.dao; |
| |
| import org.apache.hadoop.yarn.api.records.Resource; |
| import org.apache.hadoop.yarn.util.resource.Resources; |
| |
| import javax.xml.bind.annotation.XmlAccessType; |
| import javax.xml.bind.annotation.XmlAccessorType; |
| import javax.xml.bind.annotation.XmlElement; |
| import javax.xml.bind.annotation.XmlRootElement; |
| |
| /** |
| * XML element uses to represent partitionInfo. |
| */ |
| @XmlRootElement(name = "partitionInfo") |
| @XmlAccessorType(XmlAccessType.FIELD) |
| public class PartitionInfo { |
| |
| @XmlElement(name = "resourceAvailable") |
| private ResourceInfo resourceAvailable; |
| |
| public PartitionInfo() { |
| } |
| |
| public PartitionInfo(ResourceInfo resourceAvailable) { |
| this.resourceAvailable = resourceAvailable; |
| } |
| |
| public ResourceInfo getResourceAvailable() { |
| return resourceAvailable; |
| } |
| |
| /** |
| * This method will generate a new PartitionInfo object based on two PartitionInfo objects. |
| * The combination process is mainly based on the Resources.add method. |
| * |
| * @param left left PartitionInfo Object. |
| * @param right right PartitionInfo Object. |
| * @return new PartitionInfo Object. |
| */ |
| public static PartitionInfo addTo(PartitionInfo left, PartitionInfo right) { |
| Resource leftResource = Resource.newInstance(0, 0); |
| if (left != null && left.getResourceAvailable() != null) { |
| ResourceInfo leftResourceInfo = left.getResourceAvailable(); |
| leftResource = leftResourceInfo.getResource(); |
| } |
| |
| Resource rightResource = Resource.newInstance(0, 0); |
| if (right != null && right.getResourceAvailable() != null) { |
| ResourceInfo rightResourceInfo = right.getResourceAvailable(); |
| rightResource = rightResourceInfo.getResource(); |
| } |
| |
| Resource resource = Resources.addTo(leftResource, rightResource); |
| return new PartitionInfo(new ResourceInfo(resource)); |
| } |
| } |