]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.diagram/src/org/simantics/diagram/synchronization/graph/EnumerationModification.java
Some enhancements to GraphLayer-related utilities for Diagram layers
[simantics/platform.git] / bundles / org.simantics.diagram / src / org / simantics / diagram / synchronization / graph / EnumerationModification.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.diagram.synchronization.graph;
13
14 import org.simantics.db.Resource;
15 import org.simantics.db.WriteGraph;
16 import org.simantics.db.exception.DatabaseException;
17 import org.simantics.diagram.synchronization.ModificationAdapter;
18
19 /**
20  * @author Tuukka Lehtonen
21  */
22 public class EnumerationModification extends ModificationAdapter {
23
24     private final Resource owner;
25     private final Resource relation;
26     private final Resource value;
27
28     public EnumerationModification(Resource propertyOwner, Resource propertyRelation, Resource value) {
29         super(LOW_PRIORITY);
30         this.owner = propertyOwner;
31         this.relation = propertyRelation;
32         this.value = value;
33     }
34
35     @Override
36     public void perform(WriteGraph g) throws DatabaseException {
37         g.deny(owner, relation);
38         g.claim(owner, relation, value);
39     }
40
41 }