/interpreter/tags/at2dist170907/src/edu/vub/at/exceptions/XObjectOffline.java

 1/**
 2 * AmbientTalk/2 Project
 3 * XObjectOffline.java created on 12-mrt-2007 at 17:17:18
 4 * (c) Programming Technology Lab, 2006 - 2007
 5 * Authors: Tom Van Cutsem & Stijn Mostinckx
 6 * 
 7 * Permission is hereby granted, free of charge, to any person
 8 * obtaining a copy of this software and associated documentation
 9 * files (the "Software"), to deal in the Software without
10 * restriction, including without limitation the rights to use,
11 * copy, modify, merge, publish, distribute, sublicense, and/or
12 * sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following
14 * conditions:
15 *
16 * The above copyright notice and this permission notice shall be
17 * included in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
21 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
23 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
24 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26 * OTHER DEALINGS IN THE SOFTWARE.
27 */
28package edu.vub.at.exceptions;
29
30import edu.vub.at.actors.id.ATObjectID;
31import edu.vub.at.objects.ATTypeTag;
32import edu.vub.at.objects.coercion.NativeTypeTags;
33
34/**
35 * An XObjectOffline exception is raised when an object ID cannot be resolved to a local
36 * object because it has been taken offline previously.
37 * 
38 *
39 * @author tvcutsem
40 */
41public final class XObjectOffline extends InterpreterException {
42
43	private static final long serialVersionUID = -4121266169861882140L;
44
45	ATObjectID objectId_;
46	
47	/**
48	 * Constructor signalling that a particular object id could not be resolved by the 
49	 * destination actor since the object was previously taken offline.
50	 * @param id the object id which failed to resolve to local object
51	 */
52	public XObjectOffline(ATObjectID id) {
53		super("Asked for an object id that was taken offline: " + id);
54		objectId_ = id;
55	}
56	
57	public ATTypeTag getType() {
58		return NativeTypeTags._OBJECTOFFLINE_;
59	}
60	
61	/**
62	 * @return the object id which failed to resolve to local object
63	 */
64	public ATObjectID getObjectId(){
65		return objectId_;
66	}
67
68}