AbstractQuantityClassificationFunction 

AndFunction 
This function is used to evaluate a And operator with a left and right operands

ArrayFunction 
Array creator function.

AttributeCountFunction 
Takes an AttributeExpression, and computes the node count for the attribute.

BandsFunction 
Return the number of bands of the evaluation context, which is supposed to be a coverage, or an
object that can be converted to on.

BoundedByFunction 
A function returning the bounds of a feature (including all geometries)

CategorizeFunction 
Implementation of "Categorize" as a normal function.

ClassificationFunction 
Parent for classifiers which break a feature collection into the specified number of classes.

Classifier 
The data structure returned by classification functions.

ClassifyFunction 

Collection_AverageFunction 
Calculates the average value of an attribute for a given FeatureCollection and Expression.

Collection_BoundsFunction 
Calculates the bounds of an attribute for a given FeatureCollection and Expression.

Collection_CountFunction 
Calculates the count value of an attribute for a given SimpleFeatureCollection and Expression.

Collection_MaxFunction 
Calculates the maximum value of an attribute for a given FeatureCollection and Expression.

Collection_MedianFunction 
Calculates the median value of an attribute for a given FeatureCollection and Expression.

Collection_MinFunction 
Calculates the minimum value of an attribute for a given FeatureCollection and Expression.

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

Collection_SumFunction 
Calculates the sum value of an attribute for a given FeatureCollection and Expression.

Collection_UniqueFunction 
Calculates the unique value of an attribute for a given FeatureCollection and Expression.

CollectionFeatureMemberFilterVisitor 
Replace "featureMembers/ * /ATTRIBUTE" change with "ATTRIBUTE"

DateDifferenceFunction 
The function computes the difference between two date objects (as ab), in the specified time
unit (default to milliseconds).

DefaultFunctionFactory 
Filter function factory that uses the service provider interface (SPI) lookup mechanism to create
functions.

EnvFunction 
Provides local to thread and global threadindependent lookup tables of named variables allowing
externally defined values to be access within a SLD document.

EqualAreaFunction 
Breaks a SimpleFeatureCollection into classes with (roughtly) equal total items area in each
class

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

ExplicitClassifier 
Explicit classification for a set of values.

FilterFunction_area 

FilterFunction_between 

FilterFunction_boundary 

FilterFunction_boundaryDimension 

FilterFunction_buffer 

FilterFunction_bufferWithSegments 

FilterFunction_centroid 

FilterFunction_contains 

FilterFunction_Convert 
Applies the available Converter to turn the value into the desired target class

FilterFunction_convexHull 

FilterFunction_crosses 

FilterFunction_dateFormat 
Formats a date into a string given a certain pattern (specified in the format accepted by SimpleDateFormat }

FilterFunction_dateParse 
Parses a date from a string given a certain pattern (specified in the format accepted by SimpleDateFormat }

FilterFunction_difference 

FilterFunction_dimension 

FilterFunction_disjoint 

FilterFunction_disjoint3D 

FilterFunction_distance 

FilterFunction_distance3D 

FilterFunction_double2bool 

FilterFunction_endAngle 

FilterFunction_endPoint 

FilterFunction_envelope 

FilterFunction_equalsExact 

FilterFunction_equalsExactTolerance 

FilterFunction_equalTo 

FilterFunction_exteriorRing 

FilterFunction_geometryType 

FilterFunction_geomFromWKT 

FilterFunction_geomLength 

FilterFunction_getGeometryN 

FilterFunction_getX 

FilterFunction_getY 

FilterFunction_getZ 

FilterFunction_greaterEqualThan 

FilterFunction_greaterThan 

FilterFunction_if_then_else 

FilterFunction_in10 

FilterFunction_in2 

FilterFunction_in3 

FilterFunction_in4 

FilterFunction_in5 

FilterFunction_in6 

FilterFunction_in7 

FilterFunction_in8 

FilterFunction_in9 

FilterFunction_int2bbool 

FilterFunction_int2ddouble 

FilterFunction_interiorPoint 

FilterFunction_interiorRingN 

FilterFunction_intersection 

FilterFunction_intersects 

FilterFunction_intersects3D 

FilterFunction_isClosed 

FilterFunction_isEmpty 

FilterFunction_isLike 

FilterFunction_isNull 

FilterFunction_isometric 

FilterFunction_isRing 

FilterFunction_isSimple 

FilterFunction_isValid 

FilterFunction_isWithinDistance 

FilterFunction_isWithinDistance3D 

FilterFunction_lessEqualThan 

FilterFunction_lessThan 

FilterFunction_list 
A simple function that creates a list of values of any number of arguments

FilterFunction_listMultiply 
Filter function to multiply a text list of numbers with a given factor.

FilterFunction_minimumCircle 
A FilterFunction that expects a Geometry and returns it's minimum bounding circle.

FilterFunction_minimumDiameter 
A FilterFunction that expects a Geometry and returns it's minimum diameter.

FilterFunction_minimumRectangle 
A FilterFunction that expects a Geometry and returns it's minimum rectangle.

FilterFunction_not 

FilterFunction_notEqualTo 

FilterFunction_numberFormat 
Formats a number into a string given a certain pattern (specified in the format accepted by
DecimalFormat }

FilterFunction_numberFormat2 
Formats a number into a string given a certain pattern (specified in the format accepted by
DecimalFormat }

FilterFunction_numGeometries 

FilterFunction_numInteriorRing 

FilterFunction_numPoints 

FilterFunction_octagonalEnvelope 
A FilterFunction that expects a Geometry and returns it's octagonal envelope.

FilterFunction_offset 

FilterFunction_offset.OffsetOrdinateFilter 
Applies an offset to the X and Y coordinates

FilterFunction_overlaps 

FilterFunction_parseBoolean 

FilterFunction_parseDouble 

FilterFunction_parseInt 

FilterFunction_parseLong 

FilterFunction_pointN 

FilterFunction_property 
Extracts a property from a feature, taking the property name as a parameter

FilterFunction_relate 

FilterFunction_relatePattern 

FilterFunction_roundDouble 

FilterFunction_setCRS 

FilterFunction_startAngle 

FilterFunction_startPoint 

FilterFunction_strAbbreviate 

FilterFunction_strCapitalize 

FilterFunction_strConcat 

FilterFunction_strDefaultIfBlank 

FilterFunction_strEndsWith 

FilterFunction_strEqualsIgnoreCase 

FilterFunction_strIndexOf 

FilterFunction_strLastIndexOf 

FilterFunction_strLength 

FilterFunction_strMatches 

FilterFunction_strPosition 
Filter function implementing the Symbology Encoding "StringPosition" function.

FilterFunction_strReplace 

FilterFunction_strStartsWith 

FilterFunction_strStripAccents 

FilterFunction_strSubstring 

FilterFunction_strSubstringStart 

FilterFunction_strToLowerCase 

FilterFunction_strToUpperCase 

FilterFunction_strTrim 

FilterFunction_strTrim2 
Function implementing the Symbology Encoding Trim function.

FilterFunction_symDifference 

FilterFunction_touches 

FilterFunction_toWKT 

FilterFunction_union 

FilterFunction_vertices 

FilterFunction_within 

GeometryFunction 
Function the returns the default geometry of a feature, or null if there is none, or it's not a
JTS geometry

GeometryTransformationVisitor 
Given an original rendering envelope it visits an expression, finds all GeometryTransformation , collects and merges all the returned query envelopes

IDFunction 
Allow access to the value of Feature.getID() as an expression

InArrayFunction 

InFunction 
The function checks whether a candidate value is contained in an arbitrary long list of user
provided values.

InterpolateFunction 
This is an implemenation of the Interpolate function as defined by OGC Symbology Encoding (SE)
1.1 specification.

JenksNaturalBreaksFunction 
Calculate the Jenks' Natural Breaks classification for a featurecollection

JsonArrayContainsFunction 

JsonFunctionUtils 

JsonPointerFunction 
Applies a JSON pointer on a given JSON string, extracting a value out of it

LapplyFunction 
Apply an expression to each item of a list, resulting in a new list.

LitemFunction 
Select one item for a list.

MapGetFunction 
Extracts a value from a map given the map name and the needed key as parameters

NowFunction 
Return the current time as a Date.

OrFunction 
This function is used to evaluate a or operator with a left and right operands

PropertyExistsFunction 
A new function to check if a property exists.

QuantileFunction 
Breaks a SimpleFeatureCollection into classes with an equal number of items in each.

RangedClassifier 
Classifies into ranges of minimum and maximum values.

RecodeFunction 
This is an implemenation of the Recode function as defined by the OGC Symbology Encoding (SE) 1.1
specification.

SizeFunction 
Return the size of a list (or other collection).

StandardDeviationFunction 
Breaks a SimpleFeatureCollection into classes using the standard deviation classification method.

StaticGeometry 

StringTemplateFunction 
StringTemplate function, applies a regular expression with capturing groups, and them uses the
groups to build a new string based on the provided template.

UniqueIntervalFunction 
Clone of EqualIntervalFunction for unique values
