]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/contribution/GraphContribution.java
Fixed all line endings of the repository
[simantics/platform.git] / bundles / org.simantics.browsing.ui.graph.impl / src / org / simantics / browsing / ui / graph / impl / contribution / GraphContribution.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.browsing.ui.graph.impl.contribution;
13
14 import java.util.Collection;
15
16 import org.simantics.browsing.ui.NodeContext;
17 import org.simantics.browsing.ui.Tester;
18 import org.simantics.db.ReadGraph;
19 import org.simantics.db.exception.DatabaseException;
20
21 /**
22  * TODO: specification
23  * 
24  * @author Antti Villberg
25  */
26 public interface GraphContribution {
27
28     /**
29      * @param graph
30      * @param context
31      * @return a collection of contributions, must not be <code>null</code>
32      * @throws DatabaseException
33      */
34     public Collection<NodeContext> children(ReadGraph graph, NodeContext context) throws DatabaseException;
35
36     /**
37      * @return <code>null</code> if there is no tester
38      */
39     public Tester getNodeContextTester();
40
41 }