Module io.jenetics.ext
Package io.jenetics.ext.grammar

Record Class Cfg.Expression<T>

java.lang.Object
java.lang.Record
io.jenetics.ext.grammar.Cfg.Expression<T>
Type Parameters:
T - the terminal symbol value type
All Implemented Interfaces:
Cfg.Annotatable<T>, Cfg.Element<T>
Enclosing class:
Cfg<T>
public static record Cfg.Expression<T>(List<Cfg.Symbol<T>> symbols, Object annotation) extends Record implements Cfg.Element<T>
Represents one expression (list of alternative symbols) a production rule consists of.

  • Constructor Details

    • Expression

      public Expression(List<Cfg.Symbol<T>> symbols, Object annotation)
      Creates an instance of a Expression record class.
      Parameters:
      symbols - the value for the symbols record component
      annotation - the value for the annotation record component

    • Expression

      public Expression(List<Cfg.Symbol<T>> symbols)

  • Method Details

    • at

      public Cfg.Expression<T> at(Object annotation)
      Description copied from interface: Cfg.Annotatable
      Create a new copy of the CFG element, with the given annotation.
      Specified by:
      at in interface Cfg.Annotatable<T>
      Parameters:
      annotation - the annotation of the newly created element, may be null
      Returns:
      a copy of the element with the given annotation

    • toString

      public final String toString()
      Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.
      Specified by:
      toString in class Record
      Returns:
      a string representation of this object

    • hashCode

      public final int hashCode()
      Returns a hash code value for this object. The value is derived from the hash code of each of the record components.
      Specified by:
      hashCode in class Record
      Returns:
      a hash code value for this object

    • equals

      public final boolean equals(Object o)
      Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with Objects::equals(Object,Object).
      Specified by:
      equals in class Record
      Parameters:
      o - the object with which to compare
      Returns:
      true if this object is the same as the o argument; false otherwise.

    • symbols

      public List<Cfg.Symbol<T>> symbols()
      Returns the value of the symbols record component.
      Returns:
      the value of the symbols record component

    • annotation

      public Object annotation()
      Returns the value of the annotation record component.
      Specified by:
      annotation in interface Cfg.Annotatable<T>
      Returns:
      the value of the annotation record component