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Java > Open Source Codes > org > springframework > webflow > conversation > ConversationId


1 /*
2  * Copyright 2002-2006 the original author or authors.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
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 import java.io.Serializable JavaDoc;
19
20 /**
21  * An id that uniquely identifies a conversation managed by
22  * {@link ConversationManager}.
23  *
24  * @author Ben Hale
25  * @author Keith Donald
26  */
27 public abstract class ConversationId implements Serializable JavaDoc {
28
29     /**
30      * Subclasses should override toString to return a parseable string form of
31      * the key.
32      * @see java.lang.Object#toString()
33      * @see ConversationManager#parseConversationId(String)
34      */
35     public abstract String JavaDoc toString();
36 }
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