/* Copyright (c) 2006 Google Inc.
*
* Licensed 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 com.google.api.gbase.client;
/**
* The definition (name and type) of a Google Base attribute.
*/
public class GoogleBaseAttributeId {
private final String name;
private final GoogleBaseAttributeType type;
/**
* Creates a public attribute id.
*
* @param name attribute name
* @param type attribute type, can be null if it is not known
*/
public GoogleBaseAttributeId(String name, GoogleBaseAttributeType type) {
if (name == null) {
throw new NullPointerException("attribute 'name' is required");
}
this.name = name;
this.type = type;
}
/**
* Gets the attribute name.
*/
public String getName() {
return name;
}
/**
* Gets the attribute type, or null if it is not known.
*/
public GoogleBaseAttributeType getType() {
return type;
}
@Override
public String toString() {
if (type == null) {
return name;
} else {
return name + "(" + type + ")";
}
}
@Override
public int hashCode() {
int retval = 19 + name.hashCode();
if (type != null) {
retval = retval * 37 + type.hashCode();
}
return retval;
}
@Override
public boolean equals(Object o) {
if (!(o instanceof GoogleBaseAttributeId)) {
return false;
}
GoogleBaseAttributeId other = (GoogleBaseAttributeId)o;
if (!name.equals(other.name)) {
return false;
}
if (type == null) {
return other.type == null;
} else {
return type.equals(other.type);
}
}
}