org.gvsig.expressionevaluator.spi

Class AbstractFunction

java.lang.Object

org.gvsig.expressionevaluator.spi.AbstractFunction

All Implemented Interfaces:

Function

Direct Known Subclasses:

AbsFunction, AbstractBinaryOperator, AbstractUnaryOperator, ACosFunction, AsciiFunction, ASinFunction, ATanFunction, BitAndFunction, BitGetFunction, BitOrFunction, BitXorFunction, CeilFunction, CharFunction, ConcatFunction, CosFunction, CoshFunction, CotFunction, DegreesFunction, ExpFunction, FloorFunction, InstrFunction, LeftFunction, LengthFunction, LocateFunction, Log10Function, LogFunction, LowerFunction, LpadFunction, LTrimFunction, PiFunction, PositionFunction, PowFunction, RadiansFunction, RandFunction, RepeatFunction, ReplaceFunction, RightFunction, RoundFunction, RpadFunction, RTrimFunction, SignFunction, SinFunction, SinhFunction, SpaceFunction, SqrtFunction, STAreaFunction, STAsTextFunction, STBufferFunction, STCentroidFunction, STContainsFunction, STConvexHullFunction, STCoveredByFunction, STCoversFunction, STCrossesFunction, STDifferenceFunction, STDimensionFunction, STDisjointFunction, STDistanceFunction, STEndPointFunction, STEnvelopeFunction, STGeometryNFunction, STGeomFromTextFunction, STIntersectionFunction, STIntersectsFunction, STIsSimpleFunction, STIsValidFunction, STNumGeometriesFunction, STNumPointsFunction, STOverlapsFunction, STPointNFunction, STStartPointFunction, STTouchesFunction, STUnionFunction, STWithinFunction, STXFunction, STYFunction, STZFunction, SubstringFunction, TanFunction, TanhFunction, TrimFunction, UpperFunction, ZeroFunction

public abstract class AbstractFunction
extends Object
implements Function

Field Summary

Fields inherited from interface org.gvsig.expressionevaluator.Function

GROUP_BOOLEAN, GROUP_DATETIME, GROUP_NUMERIC, GROUP_OGC, GROUP_STRING

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractFunction(String group, String name, Range argc)
protected	AbstractFunction(String group, String name, Range argc, String desription, String template)
protected	AbstractFunction(String group, String name, Range argc, String description, String template, String[] descriptionArgs)

Method Summary

Modifier and Type	Method and Description
void	addAlias(String name)
List<String>	alias()
Range	argc()
String	description()
String[]	descriptionArgs()
protected double	getDouble(Object[] args, int n)
protected Geometry	getGeom(Object[] args, int n)
protected int	getInt(Object[] args, int n)
protected long	getLong(Object[] args, int n)
protected Point	getPoint(Object[] args, int n)
protected String	getStr(Object[] args, int n)
String	group()
boolean	isOperator()
String	name()
String	template()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gvsig.expressionevaluator.Function

call

Constructor Detail

AbstractFunction

protected AbstractFunction(String group,
                           String name,
                           Range argc,
                           String description,
                           String template,
                           String[] descriptionArgs)

AbstractFunction

protected AbstractFunction(String group,
                           String name,
                           Range argc,
                           String desription,
                           String template)

AbstractFunction

protected AbstractFunction(String group,
                           String name,
                           Range argc)

Method Detail

name

public String name()

Specified by:

name in interface Function

group

public String group()

Specified by:

group in interface Function

argc

public Range argc()

Specified by:

argc in interface Function

description

public String description()

Specified by:

description in interface Function

descriptionArgs

public String[] descriptionArgs()

Specified by:

descriptionArgs in interface Function

addAlias

public void addAlias(String name)

Specified by:

addAlias in interface Function

alias

public List<String> alias()

Specified by:

alias in interface Function

template

public String template()

Specified by:

template in interface Function

isOperator

public boolean isOperator()

Specified by:

isOperator in interface Function

getInt

protected int getInt(Object[] args,
                     int n)

getLong

protected long getLong(Object[] args,
                       int n)

getDouble

protected double getDouble(Object[] args,
                           int n)

getStr

protected String getStr(Object[] args,
                        int n)

getGeom

protected Geometry getGeom(Object[] args,
                           int n)

getPoint

protected Point getPoint(Object[] args,
                         int n)