- All Implemented Interfaces:
Serializable
,Comparable<ForeignKeyRule>
,Constable
Java class for ForeignKeyRule.
The following schema fragment specifies the expected content contained within this class.
<simpleType name="ForeignKeyRule"> <restriction base="{http://www.w3.org/2001/XMLSchema}string"> <enumeration value="CASCADE"/> <enumeration value="SET NULL"/> <enumeration value="SET DEFAULT"/> <enumeration value="RESTRICT"/> <enumeration value="NO ACTION"/> </restriction> </simpleType>
-
Nested Class Summary
Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
-
Enum Constant Summary
Enum ConstantDescriptionThe DELETE or UPDATE rule is for changes to the referenced table to CASCADE to the referencing table.The DELETE or UPDATE rule is to take NO ACTION on changes to the referenced table.The DELETE or UPDATE rule is to RESTRICT changes to the referenced table.The DELETE or UPDATE rule is for changes to the referenced table to result in SET DELETE actions in the referencing table.The DELETE or UPDATE rule is for changes to the referenced table to result in SET NULL actions in the referencing table. -
Method Summary
Modifier and TypeMethodDescriptionstatic ForeignKeyRule
toString()
value()
static ForeignKeyRule
Returns the enum constant of this class with the specified name.static ForeignKeyRule[]
values()
Returns an array containing the constants of this enum class, in the order they are declared.
-
Enum Constant Details
-
CASCADE
The DELETE or UPDATE rule is for changes to the referenced table to CASCADE to the referencing table. -
SET_NULL
The DELETE or UPDATE rule is for changes to the referenced table to result in SET NULL actions in the referencing table. -
SET_DEFAULT
The DELETE or UPDATE rule is for changes to the referenced table to result in SET DELETE actions in the referencing table. -
RESTRICT
The DELETE or UPDATE rule is to RESTRICT changes to the referenced table. -
NO_ACTION
The DELETE or UPDATE rule is to take NO ACTION on changes to the referenced table. This is similar toRESTRICT
, but allows for checks to be deferred.
-
-
Method Details
-
values
Returns an array containing the constants of this enum class, in the order they are declared.- Returns:
- an array containing the constants of this enum class, in the order they are declared
-
valueOf
Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified nameNullPointerException
- if the argument is null
-
value
-
fromValue
-
toString
- Overrides:
toString
in classEnum<ForeignKeyRule>
-