Package org.hibernate.query.sqm

Enum SetOperator

java.lang.Object

java.lang.Enum<SetOperator>

org.hibernate.query.sqm.SetOperator

All Implemented Interfaces:

Serializable, Comparable<SetOperator>

public enum SetOperator
extends Enum<SetOperator>

The SQL set operators.

Enum Constant Summary

Enum Constants

Enum Constant	Description
EXCEPT	Exclusion of set elements of the set on the right-hand side.
EXCEPT_ALL	Exclusion of bag elements of the bag on the right-hand side that retains duplicates.
INTERSECT	Intersection of sets that removes duplicate rows.
INTERSECT_ALL	Intersection of bags that retains duplicate matches.
UNION	Union of sets that removes duplicate rows.
UNION_ALL	Union of bags that retains all elements.

Method Summary

Modifier and Type	Method	Description
String	sqlString()
static SetOperator	valueOf(String name)	Returns the enum constant of this type with the specified name.
static SetOperator[]	values()	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

UNION

public static final SetOperator UNION

Union of sets that removes duplicate rows.

UNION_ALL

public static final SetOperator UNION_ALL

Union of bags that retains all elements.

INTERSECT

public static final SetOperator INTERSECT

Intersection of sets that removes duplicate rows.

INTERSECT_ALL

public static final SetOperator INTERSECT_ALL

Intersection of bags that retains duplicate matches.

EXCEPT

public static final SetOperator EXCEPT

Exclusion of set elements of the set on the right-hand side.

EXCEPT_ALL

public static final SetOperator EXCEPT_ALL

Exclusion of bag elements of the bag on the right-hand side that retains duplicates.

Method Detail

values

public static SetOperator[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (SetOperator c : SetOperator.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static SetOperator valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

sqlString

public String sqlString()