| package org.apache.commons.jcs3.engine.control.group; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.io.Serializable; |
| |
| /** |
| * Used to avoid name conflict when group cache items are mixed with non-group cache items in the |
| * same cache. |
| */ |
| public class GroupId |
| implements Serializable |
| { |
| /** Don't change. */ |
| private static final long serialVersionUID = 4626368486444860133L; |
| |
| /** Description of the Field */ |
| public final String groupName; |
| |
| /** the name of the region. */ |
| public final String cacheName; |
| |
| /** Cached toString value. */ |
| private String toString; |
| |
| /** |
| * Constructor for the GroupId object |
| * <p> |
| * @param cacheName |
| * @param groupName |
| */ |
| public GroupId( String cacheName, String groupName ) |
| { |
| this.cacheName = cacheName; |
| this.groupName = groupName; |
| |
| if ( cacheName == null ) |
| { |
| throw new IllegalArgumentException( "cacheName must not be null." ); |
| } |
| if ( groupName == null ) |
| { |
| throw new IllegalArgumentException( "groupName must not be null." ); |
| } |
| } |
| |
| /** |
| * @param obj |
| * @return cacheName.equals( g.cacheName ) &&groupName.equals( g.groupName ); |
| */ |
| @Override |
| public boolean equals( Object obj ) |
| { |
| if ( obj == null || !( obj instanceof GroupId ) ) |
| { |
| return false; |
| } |
| GroupId g = (GroupId) obj; |
| return cacheName.equals( g.cacheName ) && groupName.equals( g.groupName ); |
| } |
| |
| /** |
| * @return cacheName.hashCode() + groupName.hashCode(); |
| */ |
| @Override |
| public int hashCode() |
| { |
| return cacheName.hashCode() + groupName.hashCode(); |
| } |
| |
| /** |
| * Caches the value. |
| * <p> |
| * @return debugging string. |
| */ |
| @Override |
| public String toString() |
| { |
| if ( toString == null ) |
| { |
| toString = "[groupId=" + cacheName + ", " + groupName + ']'; |
| } |
| |
| return toString; |
| } |
| } |