org.geotools.filter.function

Class Collection_NearestFunction

Object

ExpressionAbstract

FunctionImpl

Collection_NearestFunction

All Implemented Interfaces:

Expression, Function

public class Collection_NearestFunction
extends FunctionImpl

Finds the nearest value to the provided one in the attribute domain.

Since:

12.0

Author:

Jody Garnett

Field Summary

Fields

Modifier and Type	Field and Description
static FunctionName	NAME

Fields inherited from class FunctionImpl

functionName

Fields inherited from interface Expression

NIL

Constructor Summary

Constructors

Constructor and Description
Collection_NearestFunction() Creates a new instance of Collection_MaxFunction

Method Summary

Modifier and Type	Method and Description
Object	evaluate(Object collection) Default implementation simply returns the fallbackValue.

Methods inherited from class FunctionImpl

accept, dispatchArguments, equals, functionName, getFallbackValue, getFunctionName, getName, getParameters, getParameterValue, getParameterValue, hashCode, setFallbackValue, setName, setParameters, toString

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

Collection_NearestFunction

public Collection_NearestFunction()

Creates a new instance of Collection_MaxFunction

Method Detail

evaluate

public Object evaluate(Object collection)

Description copied from class: FunctionImpl

Default implementation simply returns the fallbackValue.

Please override this method to produce a value based on the provided arguments.

Specified by:

evaluate in interface Expression

Overrides:

evaluate in class FunctionImpl

Parameters:

collection - Object being evaluated; often a Feature

Returns:

value for the provided object