/*
* 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 groovy.util;
import org.codehaus.groovy.runtime.typehandling.
DefaultTypeTransformation;
import java.util.
Map;
/**
* A Map.Entry implementation.
*
* @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
*/
public class
MapEntry implements
Map.
Entry {
private
Object key;
private
Object value;
public
MapEntry(
Object key,
Object value) {
this.
key =
key;
this.
value =
value;
}
public boolean
equals(
Object that) {
if (
that instanceof
MapEntry) {
return
equals((
MapEntry)
that);
}
return false;
}
public boolean
equals(
MapEntry that) {
return
DefaultTypeTransformation.
compareEqual(this.
key,
that.
key) &&
DefaultTypeTransformation.
compareEqual(this.
value,
that.
value);
}
public int
hashCode() {
return
hash(
key) ^
hash(
value);
}
public
String toString() {
return "" +
key + ":" +
value;
}
public
Object getKey() {
return
key;
}
public void
setKey(
Object key) {
this.
key =
key;
}
public
Object getValue() {
return
value;
}
public
Object setValue(
Object value) {
this.
value =
value;
return
value;
}
/**
* Helper method to handle object hashes for possibly null values
*/
protected int
hash(
Object object) {
return (
object == null) ? 0xbabe :
object.
hashCode();
}
}