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Java > Open Source Codes > org > springframework > webflow > conversation > impl > ConversationLock


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.impl;
17
18 /**
19  * A normalized interface for conversation locks, used to obtain exclusive
20  * access to a conversation.
21  *
22  * @author Keith Donald
23  */
24 public interface ConversationLock {
25     
26     /**
27      * Acquire the conversation lock.
28      */
29     public void lock();
30
31     /**
32      * Release the conversation lock.
33      */
34     public void unlock();
35 }
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