public class TLcdOGCIsNullOperator extends TLcdDataObject implements ILcdOGCCondition
<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.TLcdOGCPropertyName
Constructor and Description |
---|
TLcdOGCIsNullOperator()
Default constructor.
|
TLcdOGCIsNullOperator(TLcdOGCPropertyName aPropertyName)
Constructs an instance for the property of which the value must be checked.
|
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() |
clone, clone, getDataType, getValue, getValue, hasValue, hasValue, setValue, setValue
public TLcdOGCIsNullOperator()
public TLcdOGCIsNullOperator(TLcdOGCPropertyName aPropertyName)
aPropertyName
- the property of which the value must be checked.public TLcdOGCPropertyName getPropertyName()
public void setPropertyName(TLcdOGCPropertyName aPropertyName)
aPropertyName
- the property of which the value must be checked.public String toString()
toString
in class TLcdDataObject