FlowExecutionContinuation


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 java.io.Serializable  ;
19  
20  import org.springframework.webflow.execution.FlowExecution;
21  
22  /**
23   * A snapshot of a flow execution that can be restored from and serialized to a byte
24   * array.
25   * 
26   * @see FlowExecutionContinuationFactory
27   * 
28   * @author Erwin Vervaet
29   * @author Keith Donald
30   */
31  public abstract class FlowExecutionContinuation implements Serializable   {
32  
33      /**
34       * Restores the flow execution wrapped in this continuation.
35       * @return the unmarshalled flow execution
36       * @throws ContinuationUnmarshalException when there is a problem unmarshalling
37       * this continuation
38       */
39      public abstract FlowExecution unmarshal() throws ContinuationUnmarshalException;
40  
41      /**
42       * Converts this continuation to a byte array for convenient serialization.
43       * @return this as a byte array
44       */
45      public abstract byte[] toByteArray();
46  
47  }

A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame

Popular Tags