Package de.digitalcollections.model.api.paging.enums

Enum NullHandling

java.lang.Object
java.lang.Enum<NullHandling>
de.digitalcollections.model.api.paging.enums.NullHandling
All Implemented Interfaces:
java.io.Serializable, java.lang.Comparable<NullHandling>, java.lang.constant.Constable
public enum NullHandling
extends java.lang.Enum<NullHandling>
Enumeration for null handling hints that can be used in Order expressions. See Spring Data Commons, but more flat design and independent of Spring libraries.

  • Nested Class Summary

    Nested classes/interfaces inherited from class java.lang.Enum

    java.lang.Enum.EnumDesc<E extends java.lang.Enum<E>>

  • Enum Constant Summary

    Enum Constants
    Enum Constant Description
    NATIVE
    Lets the data store decide what to do with nulls.
    NULLS_FIRST
    A hint to the used data store to order entries with null values before non null entries.
    NULLS_LAST
    A hint to the used data store to order entries with null values after non null entries.

  • Method Summary

    Modifier and Type Method Description
    static NullHandling valueOf​(java.lang.String name)
    Returns the enum constant of this type with the specified name.
    static NullHandling[] 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, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

    Methods inherited from class java.lang.Object

    getClass, notify, notifyAll, wait, wait, wait

  • Enum Constant Details

    • NATIVE

      public static final NullHandling NATIVE
      Lets the data store decide what to do with nulls.

    • NULLS_FIRST

      public static final NullHandling NULLS_FIRST
      A hint to the used data store to order entries with null values before non null entries.

    • NULLS_LAST

      public static final NullHandling NULLS_LAST
      A hint to the used data store to order entries with null values after non null entries.

  • Method Details

    • values

      public static NullHandling[] 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 NullHandling valueOf​(java.lang.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:
      java.lang.IllegalArgumentException - if this enum type has no constant with the specified name
      java.lang.NullPointerException - if the argument is null