org.springframework.statemachine.support

Class StateContextExpressionMethods

java.lang.Object

org.springframework.statemachine.support.StateContextExpressionMethods

public class StateContextExpressionMethods
extends java.lang.Object

Helper class to work with a spel expressions and StateContext.

Author:

Janne Valkealahti

Constructor Summary

Constructors

Constructor and Description
StateContextExpressionMethods(org.springframework.expression.spel.support.StandardEvaluationContext evaluationContext) Instantiates a new state context expression methods with a StandardEvaluationContext.

Method Summary

Modifier and Type	Method and Description
<T> T	getValue(org.springframework.expression.Expression expression, StateContext<?,?> stateContext, java.lang.Class<T> desiredResultType) Gets the value.

Methods inherited from class java.lang.Object

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

Constructor Detail

StateContextExpressionMethods

public StateContextExpressionMethods(org.springframework.expression.spel.support.StandardEvaluationContext evaluationContext)

Instantiates a new state context expression methods with a StandardEvaluationContext.

Parameters:

evaluationContext - the spel evaluation context

Method Detail

getValue

public <T> T getValue(org.springframework.expression.Expression expression,
                      StateContext<?,?> stateContext,
                      java.lang.Class<T> desiredResultType)
               throws org.springframework.expression.EvaluationException

Gets the value.

Type Parameters:

T - the generic type

Parameters:

expression - the expression

stateContext - the state context

desiredResultType - the desired result type

Returns:

the value

Throws:

org.springframework.expression.EvaluationException - the evaluation exception