/*******************************************************************************
 * 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.db.service;

import java.io.InputStream;

import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.VirtualGraph;
import org.simantics.db.WriteOnlyGraph;
import org.simantics.db.exception.DatabaseException;


public interface TransferableGraphSupport {

    InputStream getValueStream(ReadGraph graph, Resource resource);
    byte[] getValue(ReadGraph graph, Resource resource);
	void setValue(WriteOnlyGraph graph, Resource resource, VirtualGraph provider, byte[] raw) throws DatabaseException;
    void setValue(WriteOnlyGraph graph, Resource resource, VirtualGraph provider, ByteReader reader, int amount) throws DatabaseException;

}