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com.bea.p13n.expression
Interface Evaluator

public interface Evaluator

An interface that is implemented by the classes that can evaluate an Expression.

Method Summary

Object

evaluate(Expression expression) Evaluates a given expression.

Method Detail

evaluate

Object evaluate(Expression expression)
                throws ExpressionException

Evaluates a given expression.

Parameters

expression - An Expression to be evaluated.

Returns

The result of evaluating the supplied expression.

Throws

ExpressionException - if an error occurs during evaluation of the supplied expression.

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