Enum Class Existence

java.lang.Object
java.lang.Enum<Existence>
org.umlg.sqlg.predicate.Existence
All Implemented Interfaces:
Serializable, Comparable<Existence>, Constable, BiPredicate<String,String>, org.apache.tinkerpop.gremlin.process.traversal.PBiPredicate<String,String>

public enum Existence extends Enum<Existence> implements org.apache.tinkerpop.gremlin.process.traversal.PBiPredicate<String,String>
abuse BiPredicate to represent nulls
Author:
JP Moresmau
  • Enum Constant Details

    • NULL

      public static final Existence NULL
    • NOTNULL

      public static final Existence NOTNULL
  • Method Details

    • values

      public static Existence[] values()
      Returns an array containing the constants of this enum class, in the order they are declared.
      Returns:
      an array containing the constants of this enum class, in the order they are declared
    • valueOf

      public static Existence valueOf(String name)
      Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified name
      NullPointerException - if the argument is null