io.requery

Annotation Type ForeignKey

@Documented
 @Target(value={FIELD,METHOD})
 @Retention(value=RUNTIME)
public @interface ForeignKey

Indicates that this field should be the foreign key for a reference to another type. Use Column to define the name and other database attributes for the field.

See Also:

Column

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
ReferentialAction	delete
String	referencedColumn
Class<?>	references
ReferentialAction	update

Element Detail

delete

public abstract ReferentialAction delete

Returns:

action when the object is deleted, defaults to ReferentialAction.CASCADE

See Also:

ReferentialAction

Default:

io.requery.ReferentialAction.CASCADE

update

public abstract ReferentialAction update

Returns:

action when the object is updated, defaults to ReferentialAction.CASCADE

See Also:

ReferentialAction

Default:

io.requery.ReferentialAction.CASCADE

referencedColumn

public abstract String referencedColumn

Returns:

column name in the foreign table this key references. Defaults to the foreign table's primary key.

Default:

""

references

public abstract Class<?> references

Returns:

referenced entity type (optional).

Default:

void.class