Package org.datanucleus.metadata
Enum FieldPersistenceModifier
- java.lang.Object
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- java.lang.Enum<FieldPersistenceModifier>
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- org.datanucleus.metadata.FieldPersistenceModifier
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- 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.
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Enum Constant Summary
Enum Constants Enum Constant Description DEFAULT
NONE
PERSISTENT
TRANSACTIONAL
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method 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.
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Enum Constant Detail
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PERSISTENT
public static final FieldPersistenceModifier PERSISTENT
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TRANSACTIONAL
public static final FieldPersistenceModifier TRANSACTIONAL
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NONE
public static final FieldPersistenceModifier NONE
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DEFAULT
public static final FieldPersistenceModifier DEFAULT
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Method Detail
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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
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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 nameNullPointerException
- if the argument is null
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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.
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