org.datanucleus.metadata

Enum FieldPersistenceModifier

java.lang.Object

java.lang.Enum<FieldPersistenceModifier>

org.datanucleus.metadata.FieldPersistenceModifier

All Implemented Interfaces:

Serializable, Comparable<FieldPersistenceModifier>

public enum FieldPersistenceModifier
extends Enum<FieldPersistenceModifier>

Class defining the possibilities for persistence, in terms of the type of persistence, and the types that are capable to be supported.

Enum Constant Summary

Enum Constants

Enum Constant and Description
DEFAULT
NONE
PERSISTENT
TRANSACTIONAL

Method Summary

Methods

Modifier and Type	Method and Description
static FieldPersistenceModifier	getFieldPersistenceModifier(String value) Return FieldPersistenceModifier from String.
static FieldPersistenceModifier	valueOf(String name) Returns the enum constant of this type with the specified name.
static FieldPersistenceModifier[]	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

PERSISTENT

public static final FieldPersistenceModifier PERSISTENT

TRANSACTIONAL

public static final FieldPersistenceModifier TRANSACTIONAL

NONE

public static final FieldPersistenceModifier NONE

DEFAULT

public static final FieldPersistenceModifier DEFAULT

Method Detail

values

public static FieldPersistenceModifier[] 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 (FieldPersistenceModifier c : FieldPersistenceModifier.values())
    System.out.println(c);

Returns:

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

valueOf

public static FieldPersistenceModifier 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

getFieldPersistenceModifier

public static FieldPersistenceModifier getFieldPersistenceModifier(String value)

Return FieldPersistenceModifier from String.

Parameters:

value - persistence-modifier attribute value

Returns:

Instance of FieldPersistenceModifier. If value invalid, return null.