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RDF2go is an implementation-independent Java API with the design goals: portability (hence the name), performance and ease of implementation. This project was started at FZI Forschungszentrum Informatik Karlsruhe, Germany - www.fzi.de

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/**
 * LICENSE INFORMATION
 *
 * Copyright 2005-2008 by FZI (http://www.fzi.de).
 * Licensed under a BSD license (http://www.opensource.org/licenses/bsd-license.php)
 *  = Max Völkel
 *  = FZI Forschungszentrum Informatik Karlsruhe, Karlsruhe, Germany
 *  = 2010
 *
 * Further project information at http://semanticweb.org/wiki/RDF2Go
 */

package org.ontoware.rdf2go.model.impl;

import org.ontoware.rdf2go.exception.ModelRuntimeException;
import org.ontoware.rdf2go.model.DiffReader;
import org.ontoware.rdf2go.model.Model;
import org.ontoware.rdf2go.model.Statement;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * adapter that maps the rdf2go model functions to a smaller subset of methods
 * 
 * @author mvo
 * 
 */
public abstract class AbstractLockingModel extends AbstractModel implements Model {

	/**
     * 
     */
    private static final long serialVersionUID = 5478109218581755289L;
	@SuppressWarnings("unused")
	private static Logger log = LoggerFactory.getLogger(AbstractLockingModel.class);

	/**
	 * Using lock() and unlock()
	 */
	@Override
	public synchronized void update(DiffReader diff) throws ModelRuntimeException {
		assertModel();
		lock();
		for (Statement r : diff.getRemoved()) {
			removeStatement(r);
		}

		for (Statement a : diff.getAdded()) {
			addStatement(a);
		}
		unlock();
	}
}