/*
* Copyright 2001-2008 The Apache Software Foundation.
*
* 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 org.apache.juddi.query.util;
import java.io.Serializable;
import java.util.Comparator;
import org.uddi.api_v3.KeyedReference;
/**
* @author <a href="mailto:jfaath@apache.org">Jeff Faath</a>
*/
public class KeyedRefTModelComparator implements Comparator<KeyedReference>, Serializable {
private static final long serialVersionUID = 1L;
public int compare(KeyedReference kr1, KeyedReference kr2) {
if (kr1 == null && kr2 == null) return 0; if (kr1 == null) return -1; if (kr2 == null) return 1; if (kr1.getTModelKey() == null && kr2.getTModelKey() == null) return 0; if (kr1.getTModelKey() == null) return -1; if (kr2.getTModelKey() == null) return 1; return kr1.getTModelKey().compareTo(kr2.getTModelKey());
}
}