| /** |
| * 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() ; |
| } |