01: /*
02: * Copyright 2004-2007 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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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