com.supermap.services.ogc.filter

Class Or

java.lang.Object

com.supermap.services.ogc.filter.Filter

com.supermap.services.ogc.filter.Or

All Implemented Interfaces:

BinaryLogicOpFilter, java.io.Serializable

public class Or
extends Filter
implements BinaryLogicOpFilter

The abstract class of <Or> element.

Or is a logical operator representing logical operation Or. It can be used to combine various Filter elements such as spatial operators, numerical operators, and logical operators, creating more complicated compound expressions.

An Or element consists of two or more 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
Or() The constructor.
Or(Filter exp1, Filter exp2) Constructs an object of Or according to two child Filter elements.
Or(java.util.List<Filter> operands) Constructs an object of Or according to a list of child Filter elements.

Method Summary

Methods

Modifier and Type	Method and Description
void	accept(AbstractFilterVisitor visitor)
Filter	copy() Copies a replication, i.e., generating a new Filter object identical to this object.
FilterType	getFilterType() Gets the Filter element type.
java.util.List<Filter>	getOperands() Gets the list of child Filter elements.

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

getName, getSubExpression, getSubExpressionCount, setSubExpression

Methods inherited from class java.lang.Object

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

Constructor Detail

Or

public Or()

The constructor.

Or

public Or(Filter exp1,
  Filter exp2)

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

Parameters:

exp1 - The first child Filter element.

exp2 - The second child Filter element.

Or

public Or(java.util.List<Filter> operands)
   throws OGCException

Constructs an object of Or according to a list of child Filter elements.

Parameters:

operands - An list of child Filter elements.

Throws:

OGCException - An OGC service exception.

Method Detail

accept

public void accept(AbstractFilterVisitor visitor)
            throws OGCException

Specified by:

accept in class Filter

Throws:

OGCException

getOperands

public java.util.List<Filter> getOperands()

Gets the list of child Filter elements.

Returns:

The child Filter element list which is performed the current logical operation.

copy

public Filter copy()

Description copied from class: Filter

Copies a replication, i.e., generating a new Filter object identical to this object.

The specific implementation of this method depends on the subclass. "null" may be returned.

Overrides:

copy in class Filter

Returns:

Filter object.

getFilterType

public FilterType getFilterType()

Description copied from class: Filter

Gets the Filter element type.

Specified by:

getFilterType in class Filter

Returns:

The Filter element type.