org.springframework.webflow.engine.support
Class SimpleFlowVariable

java.lang.Object
  org.springframework.webflow.engine.AnnotatedObject
      org.springframework.webflow.engine.FlowVariable
          org.springframework.webflow.engine.support.SimpleFlowVariable

All Implemented Interfaces:

java.io.Serializable, Annotated

public class SimpleFlowVariable
extends FlowVariable

A trivial concrete flow variable subclass that creates new variable values using Java reflection.

Author:

Keith Donald

See Also:

Serialized Form

Field Summary

Fields inherited from class org.springframework.webflow.engine.AnnotatedObject

CAPTION_PROPERTY, DESCRIPTION_PROPERTY

Constructor Summary

SimpleFlowVariable(java.lang.String name, java.lang.Class variableClass, ScopeType scope)
Creates a new simple flow variable.

Method Summary

protected java.lang.Object	createVariableValue(RequestContext context) Hook method that needs to be implemented by subclasses to calculate the value of this flow variable based on the information available in the request context.
java.lang.Class	getVariableClass() Returns the variable value class.

Methods inherited from class org.springframework.webflow.engine.FlowVariable

create, equals, getName, getScope, hashCode, toString

Methods inherited from class org.springframework.webflow.engine.AnnotatedObject

getAttributeMap, getAttributes, getCaption, getDescription, setCaption, setDescription

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

SimpleFlowVariable

public SimpleFlowVariable(java.lang.String name,
                          java.lang.Class variableClass,
                          ScopeType scope)

Creates a new simple flow variable.

Parameters:

name - the variable name

variableClass - the concrete variable class

scope - the variable scope

Method Detail

getVariableClass

public java.lang.Class getVariableClass()

Returns the variable value class.

createVariableValue

protected java.lang.Object createVariableValue(RequestContext context)

Description copied from class: FlowVariable

Hook method that needs to be implemented by subclasses to calculate the value of this flow variable based on the information available in the request context.

Specified by:

createVariableValue in class FlowVariable

Parameters:

context - the flow execution request context

Returns:

the flow variable value