org.castor.cpa.persistence.sql.query

Enum JoinOperator

java.lang.Object

java.lang.Enum<JoinOperator>

org.castor.cpa.persistence.sql.query.JoinOperator

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<JoinOperator>

public enum JoinOperator
extends java.lang.Enum<JoinOperator>

Class holding different join types.

Version:

$Revision: 8469 $ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $

Author:

Dennis Butterstein, Ralf Joachim

Enum Constant Summary

Enum Constants

Enum Constant and Description
FULL Keyword to construct full outer join.
INNER Keyword to construct inner join.
LEFT Keyword to construct left outer join.
RIGHT Keyword to construct right outer join.

Method Summary

Methods

Modifier and Type	Method and Description
static JoinOperator	valueOf(java.lang.String name) Returns the enum constant of this type with the specified name.
static JoinOperator[]	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

INNER

public static final JoinOperator INNER

Keyword to construct inner join.

LEFT

public static final JoinOperator LEFT

Keyword to construct left outer join.

RIGHT

public static final JoinOperator RIGHT

Keyword to construct right outer join.

FULL

public static final JoinOperator FULL

Keyword to construct full outer join.

Method Detail

values

public static JoinOperator[] 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 (JoinOperator c : JoinOperator.values())
    System.out.println(c);

Returns:

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

valueOf

public static JoinOperator valueOf(java.lang.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:

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

java.lang.NullPointerException - if the argument is null