Package javax.jdo.annotations
Enum NullValue
- java.lang.Object
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- java.lang.Enum<NullValue>
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- javax.jdo.annotations.NullValue
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- All Implemented Interfaces:
Serializable
,Comparable<NullValue>
public enum NullValue extends Enum<NullValue>
Enumeration of the "null-value" behavior values. This corresponds to the "null-value" attribute of the "field" and "property" elements.- Since:
- 2.1
- Version:
- 2.1
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static NullValue
valueOf(String name)
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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Method Detail
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values
public static NullValue[] 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 (NullValue c : NullValue.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 NullValue 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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