org.axiondb.functions

Interface ConcreteFunction

All Superinterfaces:

Function, Selectable, java.io.Serializable

All Known Subinterfaces:

AggregateFunction, ScalarFunction

All Known Implementing Classes:

ABSFunction, AddFunction, AndFunction, ArithmeticFunction, AsciiFunction, AverageFunction, Base64DecodeFunction, Base64EncodeFunction, BaseAggregateFunction, BaseBooleanBranchFunction, BaseFunction, BaseRegExpFunction, BitAndFunction, BitOrFunction, CastAsFunction, CharFunction, CharToDateFunction, CoalesceFunction, ComparableAggregateFunction, ComparisonFunction, ConcatFunction, ContainsFunction, CountFunction, DateAddFunction, DateDiffFunction, DatePartFunction, DateToCharFunction, DifferenceFunction, DivideFunction, EqualFunction, ExistsFunction, FunctionIdentifier, GreaterThanFunction, GreaterThanOrEqualFunction, HexFunction, IfThenFunction, InFunction, InStringFunction, IsNotNullFunction, IsNullFunction, IsValidDateTimeFunction, LengthFunction, LessThanFunction, LessThanOrEqualFunction, LikeToRegexpFunction, Log10Function, LowerFunction, LPadFunction, LTrimFunction, MatchesFunction, MaxFunction, MinFunction, ModFunction, MultiplyFunction, NotEqualFunction, NotFunction, NotInFunction, NowFunction, NullIfFunction, OrFunction, ReplaceFunction, RoundFunction, RowNumFunction, RPadFunction, RTrimFunction, SignFunction, SoundexFunction, SoundsLikeFunction, SpaceFunction, SubstringFunction, SubtractFunction, SumFunction, TrimFunction, TruncateFunction, UpperFunction

public interface ConcreteFunction
extends Function

An executable Function, as opposed to a FunctionIdentifier.

Version:

$Revision: 1.2 $ $Date: 2002/12/16 23:34:54 $

Method Summary

Modifier and Type	Method and Description
boolean	isValid()

Methods inherited from interface org.axiondb.Function

addArgument, getAlias, getArgument, getArgumentCount, getName, setAlias, setArgument

Methods inherited from interface org.axiondb.Selectable

evaluate, getDataType, getLabel, setVariableContext

Method Detail

isValid

boolean isValid()