/**
* 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.core;
import org.apache.jena.graph.Node ;
/** Interface for notification of changes
* (adds and deletes of quads) to a DatasetGraph
*/
public interface DatasetChanges
{
/** Indicator that a sequence of changes is about to start */
public void start() ;
/** A change has occurred
* @see QuadAction
*/
public void change(QuadAction qaction, Node g, Node s, Node p, Node o) ;
/** Indicator that a sequence of changes has now finished */
public void finish() ;
/** Release any resources */
public void reset() ;
}