Package net.ontopia.persistence.query.jdo

Class JDOSetOperation

java.lang.Object

net.ontopia.persistence.query.jdo.JDOSetOperation

All Implemented Interfaces:

JDOExpressionIF

public class JDOSetOperation
extends Object
implements JDOExpressionIF

INTERNAL: JDOQL set operation.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	EXCEPT
static final int	EXCEPT_ALL
static final int	INTERSECT
static final int	INTERSECT_ALL
protected int	operator
protected List	sets
static final int	UNION
static final int	UNION_ALL

Fields inherited from interface net.ontopia.persistence.query.jdo.JDOExpressionIF

AND, BOOLEAN, CONTAINS, ENDS_WITH, EQUALS, IS_EMPTY, LIKE, NOT, NOT_EQUALS, OR, SET_OPERATION, STARTS_WITH, VALUE_EXPRESSION

Constructor Summary

Constructors

Constructor	Description
JDOSetOperation(List sets, int operator)

Method Summary

Modifier and Type	Method	Description
int	getOperator()
List	getSets()
int	getType()	INTERNAL: Returns the type of JDO expression indicated by one of the constants in the JDOExpressionIF interface.
String	toString()
void	visit(JDOVisitorIF visitor)	INTERNAL: Allows the value to be visited.

Methods inherited from class java.lang.Object

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

Field Details

UNION

public static final int UNION

See Also:

• Constant Field Values

UNION_ALL

public static final int UNION_ALL

See Also:

• Constant Field Values

INTERSECT

public static final int INTERSECT

See Also:

• Constant Field Values

INTERSECT_ALL

public static final int INTERSECT_ALL

See Also:

• Constant Field Values

EXCEPT

public static final int EXCEPT

See Also:

• Constant Field Values

EXCEPT_ALL

public static final int EXCEPT_ALL

See Also:

• Constant Field Values

sets

protected List sets

operator

protected int operator

Constructor Details

JDOSetOperation

public JDOSetOperation(List sets,
 int operator)

Method Details

getOperator

public int getOperator()

getSets

public List getSets()

getType

public int getType()

Description copied from interface: JDOExpressionIF

INTERNAL: Returns the type of JDO expression indicated by one of the constants in the JDOExpressionIF interface.

Specified by:

getType in interface JDOExpressionIF

toString

public String toString()

Overrides:

toString in class Object

visit

public void visit(JDOVisitorIF visitor)

Description copied from interface: JDOExpressionIF

INTERNAL: Allows the value to be visited. This method is used for retrieval of nested data in expressions.

Specified by:

visit in interface JDOExpressionIF