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1 /*******************************************************************************
2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
3  * in Industry THTH ry.
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
8  *
9  * Contributors:
10  *     VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.db.layer0.variable;
13
14 import org.simantics.db.ReadGraph;
15 import org.simantics.db.Resource;
16 import org.simantics.db.exception.DatabaseException;
17
18 public interface VariableInterface {
19         /*
20          * @param uri A full variable URI
21          */
22         Variable getVariable(ReadGraph graph, String uri);
23         /*
24          * @param base a resource with URI
25          * @param uri A relative variable URI
26          */
27         Variable getVariable(ReadGraph graph, Resource base, String suffix);
28         Variable getVariable(ReadGraph graph, Resource variable);
29         /*
30          * A context-dependent object which encodes a variable
31          */
32         <T> Variable getVariable(ReadGraph graph, T context) throws DatabaseException;
33         <T> Variable getVariable(ReadGraph graph, Variable basedOn, T context) throws DatabaseException;
34         
35 }