org.geotools.filter.function

Class LapplyFunction

Object

ExpressionAbstract

DefaultExpression

FunctionExpressionImpl

LapplyFunction

All Implemented Interfaces:

FunctionExpression, Factory, Expression, Function

public class LapplyFunction
extends FunctionExpressionImpl

Apply an expression to each item of a list, resulting in a new list. Provide a list and an expression as input, returns a new list as output. Use the "." symbol inside the expression to refer to each item of the list.

Author:

Niels Charlier

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
LapplyFunction()

Method Summary

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

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

LapplyFunction

public LapplyFunction()

Method Detail

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