TransitionDefinition


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.definition;
17  
18  /**
19   * A transition takes a flow from one state to another.
20   * 
21   * @author Keith Donald
22   * @author Erwin Vervaet
23   */
24  public interface TransitionDefinition extends Annotated {
25  
26      /**
27       * The identifier of this transition. This id value should be unique among
28       * all other transitions in a set.
29       * @return the transition identifier
30       */
31      public String   getId();
32  
33      /**
34       * Returns an identification of the target state of this transition.
35       * This could be an actual static state id or something more dynamic,
36       * like a string representation of an expression evaluating the target
37       * state id at flow execution time.
38       * @return the target state identifier
39       */
40      public String   getTargetStateId();
41  }

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