org.hibernate.annotations

Enum OptimisticLockType

java.lang.Object

java.lang.Enum<OptimisticLockType>

org.hibernate.annotations.OptimisticLockType

All Implemented Interfaces:

Serializable, Comparable<OptimisticLockType>

public enum OptimisticLockType
extends Enum<OptimisticLockType>

Possible optimistic locking strategies.

Enum Constant Summary

Enum Constants

Enum Constant and Description
ALL Perform optimistic locking based on *all* fields as part of an expanded WHERE clause restriction for the UPDATE/DELETE SQL statement.
DIRTY Perform optimistic locking based on *dirty* fields as part of an expanded WHERE clause restriction for the UPDATE/DELETE SQL statement.
NONE Perform no optimistic locking.
VERSION Perform optimistic locking using a dedicated version column.

Method Summary

Methods

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

NONE

public static final OptimisticLockType NONE

Perform no optimistic locking.

VERSION

public static final OptimisticLockType VERSION

Perform optimistic locking using a dedicated version column.

See Also:

Version

DIRTY

public static final OptimisticLockType DIRTY

Perform optimistic locking based on *dirty* fields as part of an expanded WHERE clause restriction for the UPDATE/DELETE SQL statement.

ALL

public static final OptimisticLockType ALL

Perform optimistic locking based on *all* fields as part of an expanded WHERE clause restriction for the UPDATE/DELETE SQL statement.

Method Detail

values

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

Returns:

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

valueOf

public static OptimisticLockType 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