org.geotools.filter.function

Class ClassifyFunction

Object

ExpressionAbstract

DefaultExpression

FunctionExpressionImpl

ClassifyFunction

All Implemented Interfaces:

FunctionExpression, Factory, Expression, Function

public class ClassifyFunction
extends FunctionExpressionImpl

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
ClassifyFunction()

Method Summary

Modifier and Type	Method and Description
Object	evaluate(Object feature) Subclass should override, default implementation returns null.
Classifier	getClassifier(Object context)
Expression	getExpression()

Methods inherited from class FunctionExpressionImpl

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

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

ClassifyFunction

public ClassifyFunction()

Method Detail

getClassifier

public Classifier getClassifier(Object context)

getExpression

public Expression getExpression()

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