com.luciad.ogc.filter.model

LuciadFusionClass TLcdOGCIsNullOperator

java.lang.Object

com.luciad.datamodel.TLcdDataObject

com.luciad.ogc.filter.model.TLcdOGCIsNullOperator

All Implemented Interfaces:

ILcdDataObject, ILcdGenericExpression, ILcdOGCCondition, ILcdCloneable, ILcdDeepCloneable, Cloneable

public class TLcdOGCIsNullOperator
extends TLcdDataObject
implements ILcdOGCCondition

This class represents the <ogc:PropertyIsNull> element.

According to the OGC Filter specification, this operator that checks to see if the value of its content is NULL. A NULL is equivalent to no value present. The value 0 is a valid value and is not considered NULL.

A TLcdOGCIsNullOperator instance is composed of an instance of TLcdOGCPropertyName that represents the property of which the value must be checked.

See Also:

TLcdOGCPropertyName

Constructor Summary

Constructors

Constructor and Description
TLcdOGCIsNullOperator() Default constructor.
TLcdOGCIsNullOperator(TLcdOGCPropertyName aPropertyName) Constructs an instance for the property of which the value must be checked.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
TLcdOGCPropertyName	getPropertyName() Gets the property of which the value must be checked.
int	hashCode()
void	setPropertyName(TLcdOGCPropertyName aPropertyName) Sets the property of which the value must be checked.
String	toString()

Methods inherited from class com.luciad.datamodel.TLcdDataObject

clone, clone, getDataType, getValue, getValue, hasValue, hasValue, setValue, setValue

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

TLcdOGCIsNullOperator

public TLcdOGCIsNullOperator()

Default constructor.

TLcdOGCIsNullOperator

public TLcdOGCIsNullOperator(TLcdOGCPropertyName aPropertyName)

Constructs an instance for the property of which the value must be checked.

Parameters:

aPropertyName - the property of which the value must be checked.

Method Detail

getPropertyName

public TLcdOGCPropertyName getPropertyName()

Gets the property of which the value must be checked.

Returns:

the property of which the value must be checked.

setPropertyName

public void setPropertyName(TLcdOGCPropertyName aPropertyName)

Sets the property of which the value must be checked.

Parameters:

aPropertyName - the property of which the value must be checked.

toString

public String toString()

Overrides:

toString in class TLcdDataObject

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object