InvalidContinuationIdException


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.support;
17  
18  import java.io.Serializable  ;
19  
20  import org.springframework.webflow.execution.repository.FlowExecutionRepositoryException;
21  
22  /**
23   * Thrown when no flow execution continuation exists with the provided id.
24   * This might occur if the continuation has expired or was explictly invalidated
25   * but a client's browser page cache still references it.
26   * 
27   * @author Keith Donald
28   * @author Erwin Vervaet
29   */
30  public class InvalidContinuationIdException extends FlowExecutionRepositoryException {
31  
32      /**
33       * The unique continuation identifier that was invalid.
34       */
35      private Serializable   continuationId;
36  
37      /**
38       * Creates an invalid continuation id exception.
39       * @param continuationId the invalid continuation id
40       */
41      public InvalidContinuationIdException(Serializable   continuationId) {
42          super("The continuation id '" + continuationId + "' is invalid.  Access to flow execution denied.");
43      }
44  
45      /**
46       * Returns the continuation id.
47       */
48      public Serializable   getContinuationId() {
49          return continuationId;
50      }
51  }

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