com.luciad.ogc.filter.model

LuciadLightspeedClass TLcdOGCBinaryLogicOperator

java.lang.Object

com.luciad.datamodel.TLcdDataObject

com.luciad.ogc.filter.model.TLcdOGCBinaryLogicOperator

All Implemented Interfaces:

ILcdDataObject, ILcdGenericExpression, ILcdOGCCondition, ILcdCloneable, ILcdDeepCloneable, Cloneable

public class TLcdOGCBinaryLogicOperator
extends TLcdDataObject
implements ILcdOGCCondition

This class represents the elements of type <ogc:BinaryLogicOpType>. Namely:

• <ogc:And>
• <ogc:Or>

According to the OGC Filter specification, a logical operator can be used to combine one or more conditional expressions. The logical operator AND evaluates to TRUE if all the combined expressions evaluate to TRUE. The operator OR operator evaluates to TRUE if any of the combined expressions evaluate to TRUE.

A TLcdOGCBinaryLogicOperator instance is composed of a logic operation type that must be one of the constants defined in this class and two or more ILcdOGCCondition instances that represents the condition operands.

Field Summary

Fields

Modifier and Type	Field and Description
static int	AND Logic operation type that corresponds to the <ogc:And> element.
static int	OR Logic operation type that corresponds to the <ogc:Or> element.

Constructor Summary

Constructors

Constructor and Description
TLcdOGCBinaryLogicOperator() Default constructor.
TLcdOGCBinaryLogicOperator(int aType) Constructs an instance for a given logic operation type.
TLcdOGCBinaryLogicOperator(int aType, ILcdOGCCondition... aConditions) Constructs an instance for a given logic operation type and the given operands.

Method Summary

Modifier and Type	Method and Description
void	addCondition(ILcdOGCCondition aCondition) Adds a condition.
boolean	equals(Object obj)
ILcdOGCCondition	getCondition(int aIndex) Gets the condition at a given position.
int	getConditionCount() Gets the number of condition operands.
List<ILcdOGCCondition>	getConditions() Returns the conditions for this operator
int	getType() Gets the given logic operation type.
int	hashCode()
void	insertConditionAt(ILcdOGCCondition aCondition, int aIndex) Inserts a condition at a given position.
boolean	removeCondition(ILcdOGCCondition aCondition) Removes a condition.
void	setType(int aType) Sets the given logic operation type.
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

Field Detail

AND

public static final int AND

Logic operation type that corresponds to the <ogc:And> element.

See Also:

Constant Field Values

OR

public static final int OR

Logic operation type that corresponds to the <ogc:Or> element.

See Also:

Constant Field Values

Constructor Detail

TLcdOGCBinaryLogicOperator

public TLcdOGCBinaryLogicOperator()

Default constructor.

TLcdOGCBinaryLogicOperator

public TLcdOGCBinaryLogicOperator(int aType)

Constructs an instance for a given logic operation type.

Parameters:

aType - the logic operation type. It must be one of the constants of this class.

TLcdOGCBinaryLogicOperator

public TLcdOGCBinaryLogicOperator(int aType,
                                  ILcdOGCCondition... aConditions)

Constructs an instance for a given logic operation type and the given operands.

Parameters:

aType - the logic operation type. It must be one of the constants of this class.

aConditions - the condition operands

Method Detail

getType

public int getType()

Gets the given logic operation type.

Returns:

the given logic operation type. It will be one of the constants of this class.

setType

public void setType(int aType)

Sets the given logic operation type. It must be one of the constants of this class.

Parameters:

aType - the given logic operation type.

removeCondition

public boolean removeCondition(ILcdOGCCondition aCondition)

Removes a condition.

Parameters:

aCondition - the condition to be removed.

Returns:

true if aCondition was an operand of the logic operator; false otherwise.

getConditions

public List<ILcdOGCCondition> getConditions()

Returns the conditions for this operator

Returns:

the list of conditions for this operator

insertConditionAt

public void insertConditionAt(ILcdOGCCondition aCondition,
                              int aIndex)

Inserts a condition at a given position.

Parameters:

aCondition - the condition of the operand to be inserted.

aIndex - the index of the given position.

addCondition

public void addCondition(ILcdOGCCondition aCondition)

Adds a condition.

Parameters:

aCondition - the condition to be added.

getConditionCount

public int getConditionCount()

Gets the number of condition operands.

Returns:

the number of condition operands.

getCondition

public ILcdOGCCondition getCondition(int aIndex)

Gets the condition at a given position.

Parameters:

aIndex - the index of the given position.

Returns:

the condition.

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class TLcdDataObject