Enum OrderByItem.NullOrdering

java.lang.Object
java.lang.Enum<OrderByItem.NullOrdering>
org.eclipse.persistence.jpa.jpql.parser.OrderByItem.NullOrdering
All Implemented Interfaces:
Serializable, Comparable<OrderByItem.NullOrdering>, java.lang.constant.Constable
Enclosing class:
OrderByItem

public static enum OrderByItem.NullOrdering extends Enum<OrderByItem.NullOrdering>
This enumeration lists all the possible choices for ordering nulls in an item.
  • Enum Constant Details

    • DEFAULT

      public static final OrderByItem.NullOrdering DEFAULT
      The constant used when the ordering is not specify.
    • NULLS_FIRST

      public static final OrderByItem.NullOrdering NULLS_FIRST
      The constant for 'NULLS FIRST', which tells to order nulls first.
    • NULLS_LAST

      public static final OrderByItem.NullOrdering NULLS_LAST
      The constant for 'NULLS LAST', which tells to order nulls last.
  • Method Details

    • values

      public static OrderByItem.NullOrdering[] 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 OrderByItem.NullOrdering 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
    • getIdentifier

      public String getIdentifier()
      Returns the actual JPQL composite identifiers identified by this enum constant.
      Returns:
      The composite identifiers
    • toString

      public String toString()
      Overrides:
      toString in class Enum<OrderByItem.NullOrdering>