NotFoundAction (hibernate-core JavaDocs)

java.lang.Object
- java.lang.Enum<NotFoundAction>
- - org.hibernate.annotations.NotFoundAction

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<NotFoundAction>
```
public enum NotFoundAction
extends java.lang.Enum<NotFoundAction>
```
Possible actions when an associated entity is not found in the database. Often seen with "legacy" foreign-key schemes which do not use NULL to indicate a missing reference, instead using a "magic value".

Enum Constant Summary

Enum Constants
Enum Constant Description

EXCEPTION
Raise an exception when an element is not found (default and recommended).

IGNORE
Ignore the element when not found in database.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static NotFoundAction`	`valueOf(java.lang.String name)`	Returns the enum constant of this type with the specified name.
`static NotFoundAction[]`	`values()`	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum
clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

- Enum Constant Detail
  - EXCEPTION
```
public static final NotFoundAction EXCEPTION
```
    Raise an exception when an element is not found (default and recommended).
  - IGNORE
```
public static final NotFoundAction IGNORE
```
    Ignore the element when not found in database.
- Method Detail
  - values
```
public static NotFoundAction[] 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 (NotFoundAction c : NotFoundAction.values()) System.out.println(c);
    Returns:
    
    an array containing the constants of this enum type, in the order they are declared
  - valueOf
```
public static NotFoundAction valueOf(java.lang.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:
    
    java.lang.IllegalArgumentException - if this enum type has no constant with the specified name
    
    java.lang.NullPointerException - if the argument is null