Enum Class ArithmeticOperator

java.lang.Object
java.lang.Enum<ArithmeticOperator>
com.yahoo.searchlib.rankingexpression.rule.ArithmeticOperator
All Implemented Interfaces:
Serializable, Comparable<ArithmeticOperator>, Constable

public enum ArithmeticOperator extends Enum<ArithmeticOperator>
A mathematical operator
Author:
bratseth
  • Enum Constant Details

  • Field Details

    • operatorsByPrecedence

      public static final List<ArithmeticOperator> operatorsByPrecedence
      A list of all the operators in this in order of decreasing precedence
  • Method Details

    • values

      public static ArithmeticOperator[] 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 ArithmeticOperator 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
    • hasPrecedenceOver

      public boolean hasPrecedenceOver(ArithmeticOperator op)
      Returns true if this operator has precedence over the given operator
    • evaluate

      public abstract Value evaluate(Value x, Value y)
    • toString

      public String toString()
      Overrides:
      toString in class Enum<ArithmeticOperator>