/* * 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.rdf.listeners; import java.util.*; import org.apache.jena.rdf.model.* ; /** A listener that ignores everything you tell it; intended as a base class or an identity element. Each method is implemented as {}. */ public class NullListener implements ModelChangedListener { @Override public void addedStatement( Statement s ) {} @Override public void addedStatements( Statement [] statements ) {} @Override public void addedStatements( List<Statement> statements ) {} @Override public void addedStatements( StmtIterator statements ) {} @Override public void addedStatements( Model m ) {} @Override public void removedStatement( Statement s ) {} @Override public void removedStatements( Statement [] statements ) {} @Override public void removedStatements( List<Statement> statements ) {} @Override public void removedStatements( StmtIterator statements ) {} @Override public void removedStatements( Model m ) {} @Override public void notifyEvent( Model m, Object event ) {} }