/**
* 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 com.hp.hpl.jena.sparql.modify;
import java.util.List ;
import com.hp.hpl.jena.sparql.util.NodeIsomorphismMap ;
import com.hp.hpl.jena.update.Update ;
import com.hp.hpl.jena.update.UpdateRequest ;
public class UpdateCompare {
public static boolean isomorphic(UpdateRequest req1, UpdateRequest req2) {
if ( req1 == req2 )
return true ;
if ( ! req1.samePrologue(req2) )
return false ;
List<Update> updates1 = req1.getOperations() ;
List<Update> updates2 = req2.getOperations() ;
if ( updates1.size() != updates2.size() )
return false ;
NodeIsomorphismMap isomap = new NodeIsomorphismMap() ;
for ( int i = 0 ; i < updates1.size() ; i++ ) {
Update upd1 = updates1.get(i) ;
Update upd2 = updates2.get(i) ;
if ( !isomorphic(upd1, upd2, isomap) )
return false ;
}
return true ;
}
public static boolean isomorphic(Update req1, Update req2) {
return isomorphic(req1, req2, new NodeIsomorphismMap()) ;
}
private static boolean isomorphic(Update upd1, Update upd2, NodeIsomorphismMap isomap) {
return upd1.equalTo(upd2, isomap) ;
}
}