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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License.
18   *
19   */
20  package org.apache.mina.statemachine.event;
21  
22  /**
23   * Thrown when an {@link Event} passed to a state machine couldn't be handled.
24   *
25   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
26   */
27  public class UnhandledEventException extends RuntimeException {
28      private static final long serialVersionUID = -717373229954175430L;
29  
30      private final Event event;
31  
32      public UnhandledEventException(Event event) {
33          super("Unhandled event: " + event);
34          this.event = event;
35      }
36  
37      /**
38       * Returns the {@link Event} which couldn't be handled.
39       * 
40       * @return the {@link Event}.
41       */
42      public Event getEvent() {
43          return event;
44      }
45  }