package org.apache.jena.permissions.graph;

import java.util.Iterator;
import java.util.List;

import org.apache.jena.graph.Graph;
import org.apache.jena.graph.GraphListener;
import org.apache.jena.graph.Triple;

/*
 * 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.
 */

public class RecordingGraphListener implements GraphListener {

	private boolean add;
	private boolean delete;
	private boolean event;

	public boolean isAdd() {
		return add;
	}

	public boolean isDelete() {
		return delete;
	}

	public boolean isEvent() {
		return event;
	}

	@Override
	public void notifyAddArray(final Graph g, final Triple[] triples) {
		add = true;
	}

	@Override
	public void notifyAddGraph(final Graph g, final Graph added) {
		add = true;
	}

	@Override
	public void notifyAddIterator(final Graph g, final Iterator<Triple> it) {
		add = true;
	}

	@Override
	public void notifyAddList(final Graph g, final List<Triple> triples) {
		add = true;
	}

	@Override
	public void notifyAddTriple(final Graph g, final Triple t) {
		add = true;
	}

	@Override
	public void notifyDeleteArray(final Graph g, final Triple[] triples) {
		delete = true;
	}

	@Override
	public void notifyDeleteGraph(final Graph g, final Graph removed) {
		delete = true;
	}

	@Override
	public void notifyDeleteIterator(final Graph g, final Iterator<Triple> it) {
		delete = true;
	}

	@Override
	public void notifyDeleteList(final Graph g, final List<Triple> L) {
		delete = true;
	}

	@Override
	public void notifyDeleteTriple(final Graph g, final Triple t) {
		delete = true;
	}

	@Override
	public void notifyEvent(final Graph source, final Object value) {
		event = true;
	}

	public void reset() {
		add = false;
		delete = false;
		event = false;
	}

}