Package es.urjc.etsii.grafo.create

Class Constructive<S extends Solution<S,I>,I extends Instance>

java.lang.Object
es.urjc.etsii.grafo.create.Constructive<S,I>
Type Parameters:
S - Solution class
I - Instance class
Direct Known Subclasses:
__RNAME__RandomConstructive, Constructive.NullConstructive, FasterInvertedConstructive, RandomConstructive, Reconstructive, SlowConstructive, TSPRandomConstructive
public abstract class Constructive<S extends Solution<S,I>,I extends Instance> extends Object
Builds a new solution for the current problem. There are multiple strategies to create the solution: Using greedy strategies, GRASP, random, etc.

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static class 
    Constructive.NullConstructive<S extends Solution<S,I>,I extends Instance>
    No operation constructive method Returns the solution immediately without executing any operation Not included by default as an autoconfig component because most problems require a constructive method or solutions will not be valid

  • Constructor Summary

    Constructors
    Constructor
    Description
    Constructive()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    abstract S
    construct(S solution)
    Build a solution.
    static <S extends Solution<S, I>, I extends Instance>
    Constructive<S,I>
    nul()
    Create a no operation constructive method Returns the solution immediately without executing any operation
    String
    toString()

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

  • Constructor Details

    • Constructive

      public Constructive()

  • Method Details

    • construct

      public abstract S construct(S solution)
      Build a solution. Start with an empty solution, end when the solution is valid.
      Parameters:
      solution - Empty solution, the result of calling the constructor.
      Returns:
      A valid solution that fulfills all the problem constraints.

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • nul

      public static <S extends Solution<S, I>, I extends Instance> Constructive<S,I> nul()
      Create a no operation constructive method Returns the solution immediately without executing any operation
      Type Parameters:
      S - Solution class
      I - Instance class
      Returns:
      Null constructive method