ru.curs.celesta.score

Enum FKRule

java.lang.Object

java.lang.Enum<FKRule>

ru.curs.celesta.score.FKRule

All Implemented Interfaces:

Serializable, Comparable<FKRule>

public enum FKRule
extends Enum<FKRule>

Foreign key rule type when deleting or updating primary key of the parent record.

Enum Constant Summary

Enum Constants

Enum Constant and Description
CASCADE Cascade modification of referring records.
NO_ACTION Prohibits modification of the parent record.
SET_NULL Setting referring fields to null.

Method Summary

Modifier and Type	Method and Description
static FKRule	valueOf(String name) Returns the enum constant of this type with the specified name.
static FKRule[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

compareTo, equals, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

NO_ACTION

public static final FKRule NO_ACTION

Prohibits modification of the parent record.

CASCADE

public static final FKRule CASCADE

Cascade modification of referring records.

SET_NULL

public static final FKRule SET_NULL

Setting referring fields to null.

Method Detail

values

public static FKRule[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (FKRule c : FKRule.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static FKRule valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (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 type has no constant with the specified name

NullPointerException - if the argument is null