]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.db.common/src/org/simantics/db/common/request/AsyncReadRequest.java
Diagram threading and ThreadLogger improvements
[simantics/platform.git] / bundles / org.simantics.db.common / src / org / simantics / db / common / request / AsyncReadRequest.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.common.request;
13
14 import org.simantics.db.AsyncReadGraph;
15 import org.simantics.db.exception.DatabaseException;
16 import org.simantics.db.procedure.AsyncProcedure;
17 import org.simantics.db.request.AsyncRead;
18
19 public abstract class AsyncReadRequest implements AsyncRead<Object> {
20
21     @Override
22     final public void perform(AsyncReadGraph graph, AsyncProcedure<Object> procedure) {
23         try {
24             run(graph);
25             procedure.execute(graph, null);
26         } catch (DatabaseException e) {
27             procedure.exception(graph, e);
28         }
29     }
30     
31     @Override
32     public int getFlags() {
33         return 0;
34     }
35
36     @Override
37     public int threadHash() {
38         return hashCode();
39     }
40     
41     public abstract void run(AsyncReadGraph graph) throws DatabaseException;
42
43 }