程序包 org.hibernate.boot.model.source.spi

接口 ForeignKeyContributingSource

所有已知子接口:

JoinedSubclassEntitySource, PluralAttributeElementSourceManyToMany, PluralAttributeKeySource, SecondaryTableSource, SingularAttributeSourceManyToOne, SingularAttributeSourceOneToOne, SingularAttributeSourceToOne

所有已知实现类:

AbstractToOneAttributeSourceImpl, CompositeIdentifierSingularAttributeSourceManyToOneImpl, JoinedSubclassEntitySourceImpl, PluralAttributeElementSourceManyToManyImpl, PluralAttributeKeySourceImpl

public interface ForeignKeyContributingSource

Additional contract for things which describe foreign keys.

作者:

Steve Ebersole

方法概要

修饰符和类型	方法	说明
boolean	createForeignKeyConstraint()	Primarily exists to support JPA's @ForeignKey(NO_CONSTRAINT).
String	getExplicitForeignKeyName()	Retrieve the name of the foreign key as supplied by the user, or null if the user supplied none.
boolean	isCascadeDeleteEnabled()	Is "cascade delete" enabled for the foreign key?

方法详细资料

getExplicitForeignKeyName

String getExplicitForeignKeyName()

Retrieve the name of the foreign key as supplied by the user, or null if the user supplied none.

返回:

The user supplied foreign key name.

createForeignKeyConstraint

boolean createForeignKeyConstraint()

Primarily exists to support JPA's @ForeignKey(NO_CONSTRAINT).

返回:

true if the FK constraint should be created, false if not.

isCascadeDeleteEnabled

boolean isCascadeDeleteEnabled()

Is "cascade delete" enabled for the foreign key? In other words, if a record in the parent (referenced) table is deleted, should the corresponding records in the child table automatically be deleted?

返回:

true, if the cascade delete is enabled; false, otherwise.