Class FilterGeometryFunction

java.lang.Object

org.locationtech.jtstest.geomfunction.FilterGeometryFunction

All Implemented Interfaces:

GeometryFunction

public class FilterGeometryFunction
extends Object
implements GeometryFunction

Field Summary

Fields

Modifier and Type	Field	Description
static int	OP_EQ
static int	OP_GE
static int	OP_GT
static int	OP_LE
static int	OP_LT
static int	OP_NE

Constructor Summary

Constructors

Constructor	Description
FilterGeometryFunction(GeometryFunction fun, double filterVal)
FilterGeometryFunction(GeometryFunction fun, int op, double val)

Method Summary

Modifier and Type	Method	Description
String	getCategory()	Gets the category name of this function
String	getDescription()	Gets the description of this function
String	getName()	Gets the name of this function
String[]	getParameterNames()	Gets the parameter names for this function
Class[]	getParameterTypes()	Gets the types of the other function arguments, if any.
Class	getReturnType()	Gets the return type of this function
String	getSignature()	Gets a string representing the signature of this function.
Object	invoke(Geometry geom, Object[] args)	Invokes this function.
boolean	isBinary()
boolean	isRequiredB()

Methods inherited from class Object

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

Methods inherited from interface GeometryFunction

equals

Field Details

OP_EQ

public static int OP_EQ

OP_NE

public static int OP_NE

OP_GE

public static int OP_GE

OP_GT

public static int OP_GT

OP_LE

public static int OP_LE

OP_LT

public static int OP_LT

Constructor Details

FilterGeometryFunction

public FilterGeometryFunction(GeometryFunction fun,
 double filterVal)

FilterGeometryFunction

public FilterGeometryFunction(GeometryFunction fun,
 int op,
 double val)

Method Details

getCategory

public String getCategory()

Description copied from interface: GeometryFunction

Gets the category name of this function

Specified by:

getCategory in interface GeometryFunction

Returns:

the category name of the function

getName

public String getName()

Description copied from interface: GeometryFunction

Gets the name of this function

Specified by:

getName in interface GeometryFunction

Returns:

the name of the function

getDescription

public String getDescription()

Description copied from interface: GeometryFunction

Gets the description of this function

Specified by:

getDescription in interface GeometryFunction

Returns:

the name of the function

getParameterNames

public String[] getParameterNames()

Description copied from interface: GeometryFunction

Gets the parameter names for this function

Specified by:

getParameterNames in interface GeometryFunction

Returns:

the names of the function parameters

getParameterTypes

public Class[] getParameterTypes()

Description copied from interface: GeometryFunction

Gets the types of the other function arguments, if any.

Specified by:

getParameterTypes in interface GeometryFunction

Returns:

the types

getReturnType

public Class getReturnType()

Description copied from interface: GeometryFunction

Gets the return type of this function

Specified by:

getReturnType in interface GeometryFunction

Returns:

the type of the value returned by this function

getSignature

public String getSignature()

Description copied from interface: GeometryFunction

Gets a string representing the signature of this function.

Specified by:

getSignature in interface GeometryFunction

Returns:

the string for the function signature

isBinary

public boolean isBinary()

Specified by:

isBinary in interface GeometryFunction

isRequiredB

public boolean isRequiredB()

Specified by:

isRequiredB in interface GeometryFunction

invoke

public Object invoke(Geometry geom,
 Object[] args)

Description copied from interface: GeometryFunction

Invokes this function. Note that any exceptions returned must be RuntimeExceptions.

Specified by:

invoke in interface GeometryFunction

Parameters:

geom - the target geometry

args - the other arguments to the function

Returns:

the value computed by the function