org.springframework.webflow.action
Class EvaluateAction

java.lang.Object
  org.springframework.webflow.action.AbstractAction
      org.springframework.webflow.action.EvaluateAction

All Implemented Interfaces:

org.springframework.beans.factory.InitializingBean, Action

public class EvaluateAction
extends AbstractAction

An action that evaluates an expression and optionally exposes its result.

Delegates to a ResultEventFactory to determine how to map the evaluation result to an action outcome Event.

Author:

Keith Donald, Jeremy Grelle

See Also:

Expression, ActionResultExposer, ResultEventFactory

Constructor Summary

EvaluateAction(Expression expression, ActionResultExposer evaluationResultExposer)
Create a new evaluate action.

EvaluateAction(Expression expression, ActionResultExposer evaluationResultExposer, ResultEventFactory resultEventFactory)
Create a new evaluate action.

Method Summary

String

toString()

Methods inherited from class org.springframework.webflow.action.AbstractAction

afterPropertiesSet, execute, getEventFactorySupport

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

EvaluateAction

public EvaluateAction(Expression expression,
                      ActionResultExposer evaluationResultExposer)

Create a new evaluate action.

Parameters:

expression - the expression to evaluate (required)

evaluationResultExposer - the strategy for how the expression result will be exposed to the flow (optional)

EvaluateAction

public EvaluateAction(Expression expression,
                      ActionResultExposer evaluationResultExposer,
                      ResultEventFactory resultEventFactory)

Create a new evaluate action.

Parameters:

expression - the expression to evaluate (required)

evaluationResultExposer - the strategy for how the expression result will be exposed to the flow (optional)

resultEventFactory - the factory that will map the evaluation result to a Web Flow event (optional)

Method Detail

toString

public String toString()

Overrides:

toString in class Object