|
Berkeley DB version 5.3.21 |
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | ENUM CONSTANTS | FIELD | METHOD | DETAIL: ENUM CONSTANTS | FIELD | METHOD |
java.lang.Object java.lang.Enum<DeleteAction> com.sleepycat.persist.model.DeleteAction
public enum DeleteAction
Specifies the action to take when a related entity is deleted having a
primary key value that exists as a secondary key value for this entity.
This can be specified using a SecondaryKey.onRelatedEntityDelete()
annotation.
Enum Constant Summary | |
---|---|
ABORT
The default action, ABORT , means that an exception is thrown in
order to abort the current transaction. |
|
CASCADE
If CASCADE is specified, then this entity will be deleted also,
which could in turn trigger further deletions, causing a cascading
effect. |
|
NULLIFY
If NULLIFY is specified, then the secondary key in this entity
is set to null and this entity is updated. |
Method Summary | |
---|---|
static DeleteAction |
valueOf(String name)
Returns the enum constant of this type with the specified name. |
static DeleteAction[] |
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 |
---|
public static final DeleteAction ABORT
ABORT
, means that an exception is thrown in
order to abort the current transaction.
public static final DeleteAction CASCADE
CASCADE
is specified, then this entity will be deleted also,
which could in turn trigger further deletions, causing a cascading
effect.
public static final DeleteAction NULLIFY
NULLIFY
is specified, then the secondary key in this entity
is set to null and this entity is updated. For a secondary key field
that has an array or collection type, the array or collection element
will be removed by this action. The secondary key field must have a
reference (not a primitive) type in order to specify this action.
Method Detail |
---|
public static DeleteAction[] values()
for (DeleteAction c : DeleteAction.values()) System.out.println(c);
public static DeleteAction valueOf(String name)
name
- the name of the enum constant to be returned.
IllegalArgumentException
- if this enum type has no constant
with the specified name
NullPointerException
- if the argument is null
|
Berkeley DB version 5.3.21 |
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | ENUM CONSTANTS | FIELD | METHOD | DETAIL: ENUM CONSTANTS | FIELD | METHOD |