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Inferface for expression object.
Method Summary | |
void |
addPostResolver(JexlExprResolver resolver)
allows addition of a resolver to allow custom interdiction of expression evaluation |
void |
addPreResolver(JexlExprResolver resolver)
allows addition of a resolver to allow custom interdiction of expression evaluation |
java.lang.Object |
evaluate(JexlContext context)
Evaluates the expression, returning the return value; |
java.lang.String |
getExpression()
returns the expression used |
Method Detail |
public java.lang.Object evaluate(JexlContext context) throws java.lang.Exception
java.lang.Exception
public java.lang.String getExpression()
public void addPreResolver(JexlExprResolver resolver)
resolver
- resolver to be called before Jexl expression evaluatedpublic void addPostResolver(JexlExprResolver resolver)
resolver
- resolver to be called if Jexl expression evaluated to null
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