1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.db;
14 import org.simantics.db.exception.DatabaseException;
15 import org.simantics.db.procedure.AsyncProcedure;
18 public interface VirtualGraphSource {
20 void attach(VirtualGraphContext context);
21 void getStatements(ReadGraph graph, VirtualGraphContext context, int resource) throws DatabaseException;
22 void getStatements(ReadGraph graph, VirtualGraphContext context, int resource, int predicate) throws DatabaseException;
23 void getValue(AsyncReadGraph graph, VirtualGraphContext context, int resource, AsyncProcedure<byte[]> value);
27 // Datatype getType(VirtualGraphContext context, int resource);
28 // Object getValue(VirtualGraphContext context, int resource, Binding binding);
32 // Variant getValue(VirtualGraphContext context, int resource);