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

<T> T	evaluateAsAttribute(ArooaSession session, Class<T> type) Evaluate the expression as an attribute.
String	evaluateAsText(ArooaSession session) Evaluate the expression as element text.
boolean	isConstantAttribute() Is the expression constant as an attribute.
boolean	isConstantText() Is the expression constant as element text.

Method Detail

evaluateAsAttribute

<T> T evaluateAsAttribute(ArooaSession session,
                          Class<T> type)
                      throws ArooaConversionException

Evaluate the expression as an attribute.

Parameters:

session -

Returns:

An object result. May be null.

Throws:

ArooaConversionException

evaluateAsText

String evaluateAsText(ArooaSession session)
                      throws ArooaConversionException

Evaluate the expression as element text.

Parameters:

session -

Returns:

text result. May be null.

Throws:

ArooaConversionException

isConstantAttribute

boolean isConstantAttribute()

Is the expression constant as an attribute.

Returns:

true/false.

isConstantText

boolean isConstantText()

Is the expression constant as element text.

Returns:

true/false.