package org.lcsim.recon.tracking.trfbase;
   
   import org.lcsim.recon.tracking.trfbase.ETrack;
   import org.lcsim.recon.tracking.trfbase.Interactor;
   import org.lcsim.recon.tracking.trfbase.TrackError;
   
   // A file to test the abstract Interactor class.
   
   public class InteractorTest extends Interactor
  {
      
      // static methods
      
      // Return the type name.
      public static String get_type_name()
      {
          return "InteractorTest";
      }
      
      // Return the type.
      public static String get_static_type()
      {
          return get_type_name();
      }
      
      // attributes
      
      private double _errfac;
      
      // methods
      
      // constructor
      public InteractorTest(double errfac)
      {
          _errfac = errfac;
      }
      
      // copy Constructor
      public InteractorTest(InteractorTest it)
      {
          _errfac = it._errfac;
      }
      
      // Return the type.
      public String get_type()
      {
          return get_static_type();
      }
      
      // method for adding the interaction:
      public void interact(ETrack tre)
      {
          TrackError err = tre.error();
          err.set(0,0, err.get(0,0)*_errfac);
          tre.setError(err);
      }
      
      // return the error factor
      public double get_errfac()
      {
          return _errfac;
      }
      
      // make a clone
      public Interactor newCopy()
      {
          return new InteractorTest(this);
      }
      
      public String toString()
      {
          return "Test Interactor";
      }
      
  }