/*
* 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.jena.sparql.engine.optimizer.reorder;
import org.apache.jena.sparql.core.BasicPattern ;
public interface ReorderProc
{
/** Return a new basic pattern with the same triples as the input,
* but ordered as per the index list of this reorder processor.
* Can return the original basic pattern if unchanged; must not
* mutate the argument basic graph pattern.
*/
public BasicPattern reorder(BasicPattern bgp) ;
}