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Java > Open Source Codes > org > springframework > webflow > execution > repository > continuation > FlowExecutionContinuationFactory


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.execution.repository.continuation;
17
18 import org.springframework.webflow.execution.FlowExecution;
19
20 /**
21  * A factory for creating different {@link FlowExecutionContinuation}
22  * implementations.
23  *
24  * @author Keith Donald
25  * @author Erwin Vervaet
26  */
27 public interface FlowExecutionContinuationFactory {
28
29     /**
30      * Creates a new flow execution continuation for given flow execution.
31      * @param flowExecution the flow execution
32      * @return the continuation
33      * @throws ContinuationCreationException when the continuation cannot be created
34      */
35     public FlowExecutionContinuation createContinuation(FlowExecution flowExecution)
36             throws ContinuationCreationException;
37
38     /**
39      * Creates a new flow execution continuation from the provided byte array.
40      * @param bytes the flow execution byte array
41      * @return the continuation
42      * @throws ContinuationCreationException when the continuation cannot be created
43      */
44     public FlowExecutionContinuation createContinuation(byte[] bytes) throws ContinuationCreationException;
45 }
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