01: /*
02: * Copyright 2004-2007 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package org.springframework.webflow.conversation;
17:
18: /**
19: * Thrown when no logical conversation exists with the specified
20: * <code>conversationId</code>. This might occur if the conversation ended,
21: * expired, or was otherwise invalidated, but a client view still references it.
22: *
23: * @author Keith Donald
24: */
25: public class NoSuchConversationException extends ConversationException {
26:
27: /**
28: * The unique conversation identifier that was invalid.
29: */
30: private ConversationId conversationId;
31:
32: /**
33: * Create a new conversation lookup exception.
34: * @param conversationId the conversation id
35: */
36: public NoSuchConversationException(ConversationId conversationId) {
37: super ("No conversation could be found with id '"
38: + conversationId
39: + "' -- perhaps this conversation has ended? ");
40: this .conversationId = conversationId;
41: }
42:
43: /**
44: * Returns the conversation id that was not found.
45: */
46: public ConversationId getConversationId() {
47: return conversationId;
48: }
49: }
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