com.supermap.services.ogc.filter

Class AbstractBinaryExpression

java.lang.Object

com.supermap.services.ogc.filter.Filter

com.supermap.services.ogc.filter.AbstractBinaryExpression

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

Add, Div, Mul, PropertyIsEqualTo, PropertyIsGreaterThan, PropertyIsGreaterThanOrEqualTo, PropertyIsLessThan, PropertyIsLessThanOrEqualTo, PropertyIsNotEqualTo, Sub

public class AbstractBinaryExpression
extends Filter

The abstract of the simple binary and binary comparison operation elements.

The BinaryOperatorType includes Add, Sub, Mul, Div. The BinaryComparisonOpType is used to compare propery, including: PropertyIsEqualTo, PropertyIsGreaterThan, PropertyIsGreaterThanOrEqualTo, PropertyIsLessThan, PropertyIsLessThanOrEqualTo, PropertyIsNotEqualTo.

An element of this type needs two child Filter elements to operate on.

See Also:

Serialized Form

Field Summary

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

name, subExpression

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractBinaryExpression(Filter expression1, Filter expression2, java.lang.String name) Constructs an object of AbstractBinaryExpression according to the Filter element and the name of this Filter element.
	AbstractBinaryExpression(java.lang.String name, int subCount) Constructs an object of AbstractBinaryExpression according to the Filter element name and its child Filter element number.

Method Summary

Methods

Modifier and Type	Method and Description
void	accept(AbstractFilterVisitor visitor)
Filter	getExpression1() Gets the first child Filter element.
Filter	getExpression2() Gets the first child Filter element.
FilterType	getFilterType() Gets the Filter element type.

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

AbstractBinaryExpression

protected AbstractBinaryExpression(Filter expression1,
                        Filter expression2,
                        java.lang.String name)

Constructs an object of AbstractBinaryExpression according to the Filter element and the name of this Filter element.

Parameters:

expression1 - The first child Filter element.

expression2 - The second child Filter element.

name - The name of this Filter element.

AbstractBinaryExpression

public AbstractBinaryExpression(java.lang.String name,
                        int subCount)

Constructs an object of AbstractBinaryExpression according to the Filter element name and its child Filter element number.

Parameters:

name - The name of this Filter element.

subCount - The number of the child Filter elements.

Method Detail

getExpression1

public Filter getExpression1()

Gets the first child Filter element.

Returns:

Filter element.

getExpression2

public Filter getExpression2()

Gets the first child Filter element.

Returns:

Filter element.

getFilterType

public FilterType getFilterType()

Gets the Filter element type.

Specified by:

getFilterType in class Filter

Returns:

accept

public void accept(AbstractFilterVisitor visitor)
            throws OGCException

Specified by:

accept in class Filter

Throws:

OGCException