com.supermap.services.ogc.filter

Class Sub

java.lang.Object

com.supermap.services.ogc.filter.Filter

com.supermap.services.ogc.filter.AbstractBinaryExpression

com.supermap.services.ogc.filter.Sub

All Implemented Interfaces:

java.io.Serializable

public class Sub
extends AbstractBinaryExpression

The abstract class of <Sub> elements.

Sub is a simple binary operation representing subtraction, i.e., subtracting variable 2 from variable 1. It involves two child Filter elements.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.supermap.services.ogc.filter.Filter

name, subExpression

Constructor Summary

Constructors

Constructor and Description
Sub() The default constructor.
Sub(Filter firstFilter, Filter lastFilter) Constructs an object of Sub according to two child Filter elements.

Method Summary

Methods

Modifier and Type	Method and Description
void	accept(AbstractFilterVisitor visitor)
FilterType	getFilterType() Gets the Filter element type.

Methods inherited from class com.supermap.services.ogc.filter.AbstractBinaryExpression

getExpression1, getExpression2

Methods inherited from class com.supermap.services.ogc.filter.Filter

copy, getName, getSubExpression, getSubExpressionCount, setSubExpression

Methods inherited from class java.lang.Object

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

Constructor Detail

Sub

public Sub()

The default constructor.

Sub

public Sub(Filter firstFilter,
   Filter lastFilter)

Constructs an object of Sub according to two child Filter elements.

Represents "firstFilter - firstFilter"

Parameters:

firstFilter - A child Filter element, representing variable 1.

lastFilter - A child Filter element, representing variable 2.

Method Detail

accept

public void accept(AbstractFilterVisitor visitor)
            throws OGCException

Overrides:

accept in class AbstractBinaryExpression

Throws:

OGCException

getFilterType

public FilterType getFilterType()

Description copied from class: AbstractBinaryExpression

Gets the Filter element type.

Overrides:

getFilterType in class AbstractBinaryExpression

Returns:

The Filter element type.