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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.impl;

import java.util.Properties;

import org.ontoware.rdf2go.ModelFactory;
import org.ontoware.rdf2go.Reasoning;
import org.ontoware.rdf2go.exception.ModelRuntimeException;
import org.ontoware.rdf2go.exception.ReasoningNotSupportedException;
import org.ontoware.rdf2go.model.Model;
import org.ontoware.rdf2go.model.ModelSet;


/**
 * Implementors musts implement Model getModel(Properties p) and ModelSet
 * getModelSet(Properties p)
 * 
 * @author voelkel
 * 
 */
public abstract class AbstractModelFactory implements ModelFactory {
	
	// ////////////////////////
	// implement convenience functions by delegating to the worker methods
	
	@Override
    public Model createModel() throws ModelRuntimeException {
		Properties properties = new Properties();
		properties.put(ModelFactory.REASONING, Reasoning.none.toString());
		properties.put(ModelFactory.STORAGE, ModelFactory.STORAGE_VALUE_MEMORY);
		return createModel(properties);
	}
	
	@Override
    public Model createModel(Reasoning reasoning) throws ModelRuntimeException,
	        ReasoningNotSupportedException {
		Properties properties = new Properties();
		properties.put(ModelFactory.REASONING, reasoning.toString());
		properties.put(ModelFactory.STORAGE, ModelFactory.STORAGE_VALUE_MEMORY);
		return createModel(properties);
	}
	
	@Override
    public ModelSet createModelSet() throws ModelRuntimeException {
		Properties properties = new Properties();
		properties.put(ModelFactory.REASONING, Reasoning.none.toString());
		properties.put(ModelFactory.STORAGE, ModelFactory.STORAGE_VALUE_MEMORY);
		return createModelSet(properties);
	}
	
	@Override
    public ModelSet createModelSet(Reasoning reasoning) throws ModelRuntimeException,
	        ReasoningNotSupportedException {
		Properties properties = new Properties();
		properties.put(ModelFactory.REASONING, reasoning.toString());
		properties.put(ModelFactory.STORAGE, ModelFactory.STORAGE_VALUE_MEMORY);
		return createModelSet(properties);
	}
	
	/**
	 * Utility function to help using the properties
	 */
	public static Reasoning getReasoning(Properties p) throws ModelRuntimeException {
		
		String reasoningString = (String)p.get(ModelFactory.REASONING);
		
		if(reasoningString == null)
			return Reasoning.none;
		
		// else
		Reasoning reasoning = Reasoning.valueOf(reasoningString);
		if(reasoning == null)
			throw new IllegalArgumentException("Illegal inferencing type: " + reasoningString);
		
		// else
		return reasoning;
	}
	
}