org.oddjob.arooa.runtime

Interface ParsedExpression

public interface ParsedExpression

The result of parsing an expression with an ExpressionParser. A ParsedExpression is an intermediate step to being evaluated.

Author:

rob

Method Summary

Modifier and Type	Method and Description
<T> T	evaluate(ArooaSession session, java.lang.Class<T> type) Evaluate the expression as an attribute.
boolean	isConstant() Is the expression constant as an attribute.

Method Detail

evaluate

<T> T evaluate(ArooaSession session,
               java.lang.Class<T> type)
        throws ArooaConversionException

Evaluate the expression as an attribute.

Parameters:

session - Session to get values from.

type - The type of result expected.

Returns:

An object result. May be null.

Throws:

ArooaConversionException

isConstant

boolean isConstant()

Is the expression constant as an attribute.

Returns:

true/false.