org.springframework.webflow.engine.support

Class DefaultTransitionCriteria

java.lang.Object

org.springframework.webflow.engine.support.DefaultTransitionCriteria

All Implemented Interfaces:

TransitionCriteria

public class DefaultTransitionCriteria
extends java.lang.Object
implements TransitionCriteria

Transition criteria that tests the value of an expression. The expression is used to express a condition that guards transition execution in a web flow. Expressions will be evaluated against the request context. Boolean, string, and custom TransitonCriteria evaluation results are supported.

Author:

Keith Donald, Erwin Vervaet

Constructor Summary

Constructors

Constructor and Description
DefaultTransitionCriteria(org.springframework.binding.expression.Expression expression) Create a new expression based transition criteria object.

Method Summary

Modifier and Type	Method and Description
boolean	test(RequestContext context) Check if the transition should fire based on the given flow execution request context.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DefaultTransitionCriteria

public DefaultTransitionCriteria(org.springframework.binding.expression.Expression expression)

Create a new expression based transition criteria object.

Parameters:

expression - the expression evaluator testing the criteria

Method Detail

test

public boolean test(RequestContext context)

Description copied from interface: TransitionCriteria

Check if the transition should fire based on the given flow execution request context.

Specified by:

test in interface TransitionCriteria

Parameters:

context - the flow execution request context

Returns:

true if the transition should fire, false otherwise

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object