/*******************************************************************************
 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
 * in Industry THTH ry.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.graph.db;

import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.WriteOnlyGraph;
import org.simantics.db.exception.DatabaseException;
import org.simantics.graph.representation.Root;

public class ImportAdvisor extends AbstractImportAdvisor2 {

	@Override
	public Resource getTarget() {
		return null;
	}
	
	@Override
	public Resource analyzeRoot(ReadGraph graph, Root root) throws DatabaseException {
		return null;
	}
	
	@Override
	public Resource createRoot(WriteOnlyGraph graph, Root root) throws DatabaseException {
		return createRoot(graph, root, null);
	}

	@Override
	public Resource createRoot(WriteOnlyGraph graph, Root root, Resource resource) throws DatabaseException {
		if(resource == null) resource = graph.newResource();
		addRootInfo(root, root.name, resource);
		return resource;
	}
	
    @Override
    public void beforeWrite(WriteOnlyGraph graph, TransferableGraphImporter process) throws DatabaseException {
    }

    @Override
    public void afterWrite(WriteOnlyGraph graph, TransferableGraphImporter process) throws DatabaseException {
    }

    @Override
    public boolean allowImmutableModifications() {
        return false;
    }
    
    @Override
    public Resource createChild(WriteOnlyGraph graph, TransferableGraphImporter process, Resource parent,
            String name) throws DatabaseException {
        return process.createChild(graph, parent, null, name);
    }
    
    @Override
    public Resource createChild(WriteOnlyGraph graph, TransferableGraphImporter process, Resource parent,
    		Resource child, String name) throws DatabaseException {
        return process.createChild(graph, parent, child, name);
    }
    
}