FKRule (celesta-parent 8.1.0 API)

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

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	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