Package org.datanucleus.metadata
Enum NullValue
- All Implemented Interfaces:
Serializable
,Comparable<NullValue>
Representation of how to handle a null value (in a field).
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Enum Constant Summary
Enum Constants -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionstatic NullValue
getNullValue
(String value) Obtain a NullValue for the given name byvalue
static NullValue
Returns the enum constant of this type with the specified name.static NullValue[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Details
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EXCEPTION
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DEFAULT
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NONE
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Constructor Details
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NullValue
private NullValue()
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Method Details
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values
Returns an array containing the constants of this enum type, in the order they are declared.- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
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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getNullValue
Obtain a NullValue for the given name byvalue
- Parameters:
value
- the name- Returns:
- the NullValue found or NullValue.NONE if not found. If
value
is null, returns NullValue.NONE.
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