net.ontopia.persistence.query.sql
Class SQLSetOperation

java.lang.Object
  net.ontopia.persistence.query.sql.SQLSetOperation

All Implemented Interfaces:

SQLExpressionIF

public class SQLSetOperation
extends Object
implements SQLExpressionIF

INTERNAL: SQL set operation.

Field Summary

static int	EXCEPT
static int	EXCEPT_ALL
static int	INTERSECT
static int	INTERSECT_ALL
protected int	operator
protected List	sets
static int	UNION
static int	UNION_ALL

Fields inherited from interface net.ontopia.persistence.query.sql.SQLExpressionIF

AND, EQUALS, EXISTS, FALSE, IN, IS_NULL, JOIN, LIKE, NOT, NOT_EQUALS, OR, SET_OPERATION, VALUE_EXPRESSION, VERBATIM

Constructor Summary

SQLSetOperation(List sets, int operator)

Method Summary

int	getOperator()
List	getSets()
int	getType() INTERNAL: Returns the expression type.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

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 Detail

SQLSetOperation

public SQLSetOperation(List sets,
                       int operator)

Method Detail

getOperator

public int getOperator()

getSets

public List getSets()

getType

public int getType()

Description copied from interface: SQLExpressionIF

INTERNAL: Returns the expression type. The type is represented by one of the constants in the SQLExpressionIF interface.

Specified by:

getType in interface SQLExpressionIF

toString

public String toString()

Overrides:

toString in class Object