org.pentaho.reporting.libraries.formula.function
Class AbstractFunctionDescription

java.lang.Object
  org.pentaho.reporting.libraries.formula.function.AbstractFunctionDescription

All Implemented Interfaces:

Serializable, FunctionDescription

Direct Known Subclasses:

AbsFunctionDescription, AcosFunctionDescription, AcoshFunctionDescription, AndFunctionDescription, AsinFunctionDescription, Atan2FunctionDescription, AtanFunctionDescription, AverageAFunctionDescription, AverageFunctionDescription, ChooseFunctionDescription, CosFunctionDescription, CountAFunctionDescription, CountBlankFunctionDescription, CountFunctionDescription, CsvArrayFunctionDescription, CsvTextFunctionDescription, DateDifFunctionDescription, DateFunctionDescription, DateValueFunctionDescription, DayFunctionDescription, DaysFunctionDescription, EvenFunctionDescription, ExactFunctionDescription, ExpFunctionDescription, FalseFunctionDescription, FindFunctionDescription, HasChangedFunctionDescription, HourFunctionDescription, IfFunctionDescription, IfNaFunctionDescription, IndexFunctionDescription, IntFunctionDescription, IsBlankFunctionDescription, IsErrFunctionDescription, IsErrorFunctionDescription, IsEvenFunctionDescription, IsLogicalFunctionDescription, IsNaFunctionDescription, IsNonTextFunctionDescription, IsNumberFunctionDescription, IsOddFunctionDescription, IsRefFunctionDescription, IsTextFunctionDescription, LeftFunctionDescription, LenFunctionDescription, LnFunctionDescription, Log10FunctionDescription, LogFunctionDescription, LowerFunctionDescription, MaxAFunctionDescription, MaxFunctionDescription, MessageFunctionDescription, MidFunctionDescription, MinAFunctionDescription, MinFunctionDescription, MinuteFunctionDescription, ModFunctionDescription, MonthFunctionDescription, NaFunctionDescription, NormalizeArrayFunctionDescription, NotFunctionDescription, NowFunctionDescription, NullFunctionDescription, OddFunctionDescription, OrFunctionDescription, ParseDateFunctionDescription, PiFunctionDescription, PowerFunctionDescription, ReplaceFunctionDescription, ReptFunctionDescription, RightFunctionDescription, SecondFunctionDescription, SinFunctionDescription, SqrtFunctionDescription, SubstituteFunctionDescription, SumAFunctionDescription, SumFunctionDescription, TextFunctionDescription, TFunctionDescription, TimeFunctionDescription, TimeValueFunctionDescription, TodayFunctionDescription, TrimFunctionDescription, TrueFunctionDescription, UnicharFunctionDescription, UnicodeFunctionDescription, UpperFunctionDescription, URLEncodeFunctionDescription, ValueFunctionDescription, VarFunctionDescription, WeekDayFunctionDescription, XorFunctionDescription, YearFunctionDescription

public abstract class AbstractFunctionDescription
extends Object
implements FunctionDescription

Creation-Date: 04.11.2006, 18:30:33

Author:

Thomas Morgner

See Also:

Serialized Form

Method Summary

String	getCanonicalName()
Object	getDefaultValue(int position) Returns the default value for an optional parameter.
String	getDescription(Locale locale)
String	getDisplayName(Locale locale)
String	getParameterDescription(int position, Locale locale)
String	getParameterDisplayName(int position, Locale locale)
boolean	isInfiniteParameterCount()
boolean	isVolatile()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.pentaho.reporting.libraries.formula.function.FunctionDescription

getCategory, getParameterCount, getParameterType, getValueType, isParameterMandatory

Method Detail

getCanonicalName

public String getCanonicalName()

Specified by:

getCanonicalName in interface FunctionDescription

isVolatile

public boolean isVolatile()

Specified by:

isVolatile in interface FunctionDescription

getDefaultValue

public Object getDefaultValue(int position)

Returns the default value for an optional parameter. If the value returned here is null, then this either means, that the parameter is mandatory or that the default value is computed by the expression itself.

Specified by:

getDefaultValue in interface FunctionDescription

Parameters:

position -

Returns:

null.

isInfiniteParameterCount

public boolean isInfiniteParameterCount()

Specified by:

isInfiniteParameterCount in interface FunctionDescription

getDisplayName

public String getDisplayName(Locale locale)

Specified by:

getDisplayName in interface FunctionDescription

getDescription

public String getDescription(Locale locale)

Specified by:

getDescription in interface FunctionDescription

getParameterDisplayName

public String getParameterDisplayName(int position,
                                      Locale locale)

Specified by:

getParameterDisplayName in interface FunctionDescription

getParameterDescription

public String getParameterDescription(int position,
                                      Locale locale)

Specified by:

getParameterDescription in interface FunctionDescription