com.wewebu.expression.language
Interface OwExprFunction

All Known Implementing Classes:

OwExprReflectiveFunction

public interface OwExprFunction

The expression language function interface.

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Method Summary

OwExprType	type()
OwExprValue	value(OwExprValue[] arguments_p) Evaluation method for this function.

Method Detail

value

OwExprValue value(OwExprValue[] arguments_p)
                  throws OwExprEvaluationException

Evaluation method for this function.

Parameters:

arguments_p -

Returns:

the value returned when this function is evaluated basted on the given arguments

Throws:

OwExprEvaluationException

type

OwExprType type()
                throws OwExprEvaluationException

Returns:

the OwExprType that this function will return upon evaluation.

Throws:

OwExprEvaluationException