org.geotools.filter.function

Class EqualIntervalFunction

Object

ExpressionAbstract

DefaultExpression

ClassificationFunction

EqualIntervalFunction

All Implemented Interfaces:

FunctionExpression, Factory, Expression, Function

public class EqualIntervalFunction
extends ClassificationFunction

Classification function for breaking a feature collection into edible chunks of "equal" size.

Author:

James Macgill, Cory Horner, Refractions Research Inc.

Field Summary

Fields

Modifier and Type	Field and Description
static FunctionName	NAME

Fields inherited from class ClassificationFunction

LOGGER

Fields inherited from interface Expression

NIL

Constructor Summary

Constructors

Constructor and Description
EqualIntervalFunction()

Method Summary

Modifier and Type	Method and Description
RangedClassifier	evaluate(Object object) Subclass should override, default implementation returns null.

Methods inherited from class ClassificationFunction

accept, computeGroupByPercentages, computePercentage, decimalPlaces, fixRound, getClasses, getFallbackValue, getFunctionName, getImplementationHints, getName, getParameters, getProgressListener, round, setClasses, setFallbackValue, setParameters, setProgressListener, toString

Methods inherited from class DefaultExpression

isAttributeExpression, isExpression, isFunctionExpression, isGeometryExpression, isLiteralExpression, isMathExpression

Methods inherited from class ExpressionAbstract

evaluate

Methods inherited from class Object

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

Methods inherited from interface Expression

evaluate

Field Detail

NAME

public static FunctionName NAME

Constructor Detail

EqualIntervalFunction

public EqualIntervalFunction()

Method Detail

evaluate

public RangedClassifier evaluate(Object object)

Description copied from class: ExpressionAbstract

Subclass should override, default implementation returns null.

Specified by:

evaluate in interface Expression

Specified by:

evaluate in class ClassificationFunction

Returns:

default implementation returns null