]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/exception/MissingVariableValueException.java
Fixed multiple issues causing dangling references to discarded queries
[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / exception / MissingVariableValueException.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.exception;
13
14 import org.simantics.db.ReadGraph;
15 import org.simantics.db.exception.DatabaseException;
16 import org.simantics.db.exception.VariableException;
17
18
19 public class MissingVariableValueException extends VariableException {
20
21         private static final long serialVersionUID = -8379218573294565788L;
22         
23         public MissingVariableValueException(String message) {
24                 super(message);
25         }
26
27         public MissingVariableValueException(String message, Throwable cause) {
28                 super(message, cause);
29         }
30
31         public MissingVariableValueException(Throwable cause) {
32                 super(cause);
33         }
34
35         @Override
36         public String getShortExplanation() {
37                 Throwable cause = getCause();
38                 if(cause instanceof DatabaseException) {
39                         return ((DatabaseException)cause).getShortExplanation();
40                 }
41                 return super.getShortExplanation();
42         }
43         
44         @Override
45         public String getExplanation(ReadGraph graph) throws DatabaseException {
46                 Throwable cause = getCause();
47                 if(cause instanceof DatabaseException) {
48                         return ((DatabaseException)cause).getShortExplanation();
49                 }
50                 return super.getShortExplanation();
51         }
52         
53 }