| /* $Id$ |
| * |
| * 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.etch.bindings.java.msg; |
| |
| import org.apache.etch.util.Hash; |
| |
| /** |
| * An IdName is a base class for Field or Type. It is used |
| * to bind together a type or field name with the associated id. The id |
| * is used for certain operations, such as the key in a Map, comparisons, |
| * and binary encoding on the wire, while the name is used for display. |
| * |
| * @see Field |
| * @see Type |
| */ |
| public class IdName extends Hash |
| { |
| /** |
| * Constructs the IdName. |
| * @param id the id for the name (normally computed using |
| * {@link #hash(String)}) |
| * @param name the name of the item. |
| */ |
| public IdName( Integer id, String name ) |
| { |
| this.id = id; |
| this.name = name; |
| } |
| |
| /** |
| * Constructs the IdName by computing the appropriate id given |
| * the name. |
| * @param name the name of the item. |
| * @see #hash(String) |
| */ |
| public IdName( String name ) |
| { |
| this( hash( name ), name ); |
| } |
| |
| private final Integer id; |
| |
| private final String name; |
| |
| /** |
| * @return the id of the item. |
| */ |
| public final Integer getId() |
| { |
| return id; |
| } |
| |
| /** |
| * @return the name of the item. |
| */ |
| public final String getName() |
| { |
| return name; |
| } |
| |
| @Override |
| public final String toString() |
| { |
| return String.format( "%s(%d)", name, id ); |
| } |
| |
| @Override |
| public final boolean equals( Object obj ) |
| { |
| if (obj == this) |
| return true; |
| |
| if (obj == null) |
| return false; |
| |
| if (getClass() != obj.getClass()) |
| return false; |
| |
| IdName other = (IdName) obj; |
| |
| return id.equals( other.id ) && name.equals( other.name ); |
| } |
| |
| @Override |
| public final int hashCode() |
| { |
| return id.hashCode() ^ name.hashCode(); |
| } |
| } |