| /** |
| * 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.sharedcachemanager.store; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Private; |
| import org.apache.hadoop.classification.InterfaceStability.Evolving; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| |
| /** |
| * This is an object that represents a reference to a shared cache resource. |
| */ |
| @Private |
| @Evolving |
| public class SharedCacheResourceReference { |
| private final ApplicationId appId; |
| private final String shortUserName; |
| |
| /** |
| * Create a resource reference. |
| * |
| * @param appId <code>ApplicationId</code> that is referencing a resource. |
| * @param shortUserName <code>ShortUserName</code> of the user that created |
| * the reference. |
| */ |
| public SharedCacheResourceReference(ApplicationId appId, String shortUserName) { |
| this.appId = appId; |
| this.shortUserName = shortUserName; |
| } |
| |
| public ApplicationId getAppId() { |
| return this.appId; |
| } |
| |
| public String getShortUserName() { |
| return this.shortUserName; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((appId == null) ? 0 : appId.hashCode()); |
| result = |
| prime * result |
| + ((shortUserName == null) ? 0 : shortUserName.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| SharedCacheResourceReference other = (SharedCacheResourceReference) obj; |
| if (appId == null) { |
| if (other.appId != null) |
| return false; |
| } else if (!appId.equals(other.appId)) |
| return false; |
| if (shortUserName == null) { |
| if (other.shortUserName != null) |
| return false; |
| } else if (!shortUserName.equals(other.shortUserName)) |
| return false; |
| return true; |
| } |
| } |