public final Enum NotFoundAction

Class Inheritance

java.lang.Object
java.lang.Enum
org.hibernate.annotations.NotFoundAction

Specifies how Hibernate should handle the case of an orphaned foreign key with no associated row in the referenced table. This is a situation that can only occur in a database with missing foreign key constraints.

When a database lacks foreign key constraints, it's normal for it to accumulate data with referential integrity violations over time. Alternatively, this situation is also sometimes encountered in legacy foreign key schemes where some "magic value", instead of NULL, indicates a missing reference.

Author: Emmanuel Bernard
See Also: NotFound

Field Summary

Modifier and Type	Field and Description
public static final NotFoundAction	EXCEPTION Raise an exception when a foreign key value has no corresponding primary key value in the referenced table.
public static final NotFoundAction	IGNORE Treat a foreign key value with no corresponding primary key value in the referenced table as a null reference.

Constructor Summary

Access	Constructor and Description
private	NotFoundAction()

Method Summary

Modifier and Type	Method and Description
public static NotFoundAction	valueOf(String name)
public static NotFoundAction[]	values()

Inherited from java.lang.Enum:: clone compareTo describeConstable equals finalize getDeclaringClass hashCode name ordinal toString valueOf

Field Detail

EXCEPTION	back to summary
public static final NotFoundAction EXCEPTION Raise an exception when a foreign key value has no corresponding primary key value in the referenced table.

IGNORE	back to summary
public static final NotFoundAction IGNORE Treat a foreign key value with no corresponding primary key value in the referenced table as a null reference.

Constructor Detail

NotFoundAction	back to summary
private NotFoundAction()

Method Detail

valueOf	back to summary
public static NotFoundAction valueOf(String name)

values	back to summary
public static NotFoundAction[] values()