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[simantics/platform.git] / bundles / org.simantics.browsing.ui / src / org / simantics / browsing / ui / NodeQueryProcessor.java
1 /*******************************************************************************\r
2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
3  * in Industry THTH ry.\r
4  * All rights reserved. This program and the accompanying materials\r
5  * are made available under the terms of the Eclipse Public License v1.0\r
6  * which accompanies this distribution, and is available at\r
7  * http://www.eclipse.org/legal/epl-v10.html\r
8  *\r
9  * Contributors:\r
10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
11  *******************************************************************************/\r
12 package org.simantics.browsing.ui;\r
13 \r
14 import org.simantics.browsing.ui.NodeContext.QueryKey;\r
15 \r
16 public interface NodeQueryProcessor<T> {\r
17     /**\r
18      * @return the key that represents the query that this processor can respond\r
19      *         to.\r
20      */\r
21     QueryKey<T> getIdentifier();\r
22 \r
23     /**\r
24      * @param manager\r
25      * @param context\r
26      * @return the result of the query\r
27      */\r
28     T query(NodeQueryManager manager, NodeContext context);\r
29 }\r