Enum NullValue

java.lang.Object
java.lang.Enum<NullValue>
org.datanucleus.metadata.NullValue
All Implemented Interfaces:
Serializable, Comparable<NullValue>

public enum NullValue extends Enum<NullValue>
Representation of how to handle a null value (in a field).
  • Enum Constant Details

    • EXCEPTION

      public static final NullValue EXCEPTION
    • DEFAULT

      public static final NullValue DEFAULT
    • NONE

      public static final NullValue NONE
  • Constructor Details

    • NullValue

      private NullValue()
  • Method Details

    • values

      public static NullValue[] 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
    • 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 name
      NullPointerException - if the argument is null
    • getNullValue

      public static NullValue getNullValue(String value)
      Obtain a NullValue for the given name by value
      Parameters:
      value - the name
      Returns:
      the NullValue found or NullValue.NONE if not found. If value is null, returns NullValue.NONE.