]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/PossibleSelectedValuation.java
Merge "Allow loading databoard serialized files with type adapting" into release...
[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / request / PossibleSelectedValuation.java
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.request;
13
14 import org.simantics.db.ReadGraph;
15 import org.simantics.db.Resource;
16 import org.simantics.db.common.exception.DebugException;
17 import org.simantics.db.common.request.TernaryRead;
18 import org.simantics.db.exception.AdaptionException;
19 import org.simantics.db.exception.DatabaseException;
20 import org.simantics.db.exception.ResourceNotFoundException;
21 import org.simantics.db.layer0.adapter.Valuations;
22
23 public class PossibleSelectedValuation extends TernaryRead<Resource, String, String, Resource> {
24
25     public PossibleSelectedValuation(Resource resource, String valuation) {
26         super(resource, valuation, "");
27     }
28
29     public PossibleSelectedValuation(Resource resource, String valuation, String suffix) {
30         super(resource, valuation, suffix);
31     }
32
33     @Override
34     public Resource perform(ReadGraph graph) throws DatabaseException {
35
36         try {
37             Valuations valuations = graph.adapt(parameter, Valuations.class);
38
39             return valuations.getValue(graph, null, parameter2, parameter3);
40             
41         } catch (ResourceNotFoundException e) {
42             if (DebugException.DEBUG)
43                 e.printStackTrace();
44             return null;
45         } catch (AdaptionException e) {
46             if (DebugException.DEBUG)
47                 e.printStackTrace();
48             return null;
49         }
50
51     }
52
53 }