Package org.apache.empire.db

Enum DBJoinType

java.lang.Object

java.lang.Enum<DBJoinType>

org.apache.empire.db.DBJoinType

All Implemented Interfaces:

Serializable, Comparable<DBJoinType>, java.lang.constant.Constable

public enum DBJoinType
extends Enum<DBJoinType>

DBJoinType contains the possibilities to join two database tables.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
FULL	SQL Full join
INNER	SQL Inner join
LEFT	SQL Left join
RIGHT	SQL Right join

Method Summary

Modifier and Type	Method	Description
static DBJoinType	reversed(DBJoinType type)
static DBJoinType	valueOf(String name)	Returns the enum constant of this type with the specified name.
static DBJoinType[]	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, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

LEFT

public static final DBJoinType LEFT

SQL Left join

INNER

public static final DBJoinType INNER

SQL Inner join

RIGHT

public static final DBJoinType RIGHT

SQL Right join

FULL

public static final DBJoinType FULL

SQL Full join

Method Details

values

public static DBJoinType[] values()

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

Returns:

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

valueOf

public static DBJoinType 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

reversed

public static DBJoinType reversed(DBJoinType type)