org.geotools.brewer.color

Class PaletteFunction

Object

ExpressionAbstract

DefaultExpression

FunctionExpressionImpl

PaletteFunction

All Implemented Interfaces:

FunctionExpression, Factory, Expression, Function

public class PaletteFunction
extends FunctionExpressionImpl

Author:

James Macgill

Field Summary

Fields

Modifier and Type	Field and Description
static FunctionName	NAME

Fields inherited from class FunctionExpressionImpl

fallback, functionName, name, params

Fields inherited from interface Expression

NIL

Constructor Summary

Constructors

Constructor and Description
PaletteFunction() Creates a new instance of PaletteFunction
PaletteFunction(FilterFactory factory)

Method Summary

Modifier and Type	Method and Description
Object	evaluate(Object feature) Subclass should override, default implementation returns null.
ClassificationFunction	getClassifier()
Expression	getEvaluationExpression()
int	getNumberOfClasses()
String	getPaletteName()
void	setClassifier(ClassificationFunction cf)
void	setEvaluationExpression(Expression e)
void	setFilterFactory(FilterFactory factory)
void	setNumberOfClasses(int i)
void	setPaletteName(String s)
void	setParameters(List<Expression> args) Sets the function parameters.
String	toString() Creates a String representation of this Function with the function name and the arguments.

Methods inherited from class FunctionExpressionImpl

accept, equals, functionName, getExpression, getFallbackValue, getFunctionName, getImplementationHints, getName, getParameters, hashCode, setFallbackValue

Methods inherited from class DefaultExpression

isAttributeExpression, isExpression, isFunctionExpression, isGeometryExpression, isLiteralExpression, isMathExpression

Methods inherited from class ExpressionAbstract

evaluate

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface Expression

evaluate

Field Detail

NAME

public static FunctionName NAME

Constructor Detail

PaletteFunction

public PaletteFunction()

Creates a new instance of PaletteFunction

PaletteFunction

public PaletteFunction(FilterFactory factory)

Method Detail

setFilterFactory

public void setFilterFactory(FilterFactory factory)

setParameters

public void setParameters(List<Expression> args)

Description copied from class: FunctionExpressionImpl

Sets the function parameters.

Specified by:

setParameters in interface FunctionExpression

Overrides:

setParameters in class FunctionExpressionImpl

getEvaluationExpression

public Expression getEvaluationExpression()

setEvaluationExpression

public void setEvaluationExpression(Expression e)

getClassifier

public ClassificationFunction getClassifier()

setClassifier

public void setClassifier(ClassificationFunction cf)

getNumberOfClasses

public int getNumberOfClasses()

setNumberOfClasses

public void setNumberOfClasses(int i)

getPaletteName

public String getPaletteName()

setPaletteName

public void setPaletteName(String s)

evaluate

public Object evaluate(Object feature)

Description copied from class: ExpressionAbstract

Subclass should override, default implementation returns null.

Specified by:

evaluate in interface Expression

Overrides:

evaluate in class FunctionExpressionImpl

Returns:

default implementation returns null

toString

public String toString()

Description copied from class: FunctionExpressionImpl

Creates a String representation of this Function with the function name and the arguments. The String created should be good for most subclasses

Overrides:

toString in class FunctionExpressionImpl