package votorola.a.trust; // Copyright 2008, 2010-2011, Michael Allan.  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Votorola Software"), to deal in the Votorola Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicence, and/or sell copies of the Votorola Software, and to permit persons to whom the Votorola Software is furnished to do so, subject to the following conditions: The preceding copyright notice and this permission notice shall be included in all copies or substantial portions of the Votorola Software. THE VOTOROLA SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE VOTOROLA SOFTWARE OR THE USE OR OTHER DEALINGS IN THE VOTOROLA SOFTWARE.

import votorola.a.voter.*;
import votorola.g.lang.*;


/** A null implementation of a node in a compiled network trace.
  */
public @ThreadSafe final class TraceNode0 implements TraceNode
{

    private static final long serialVersionUID = 0L;



    /** Creates a TraceNode0.
      */
    public TraceNode0( IDPair _registrant )
    {
        if( _registrant == null ) throw new NullPointerException(); // fail fast

        registrant = _registrant;
    }



   // - T r a c e - N o d e --------------------------------------------------------------


    /** @return null
      */
    public String getArea() { return null; }



    /** @return null
      */
    public String getCountryCode() { return null; }



    /** @return null
      */
    public String getGeohandle() { return null; }



    /** @return null
      */
    public String getOtherProperties() { return null; }



    /** @return zero
      */
    public int primaryTrustEdgeCount() { return 0; }



    public IDPair registrant() { return registrant; }


        private final IDPair registrant;



    /** @return zero
      */
    public int trustLevel() { return 0; }



   // - O b j e c t ----------------------------------------------------------------------


    /** Returns the registrant's username.
      */
    public @Override final String toString() { return registrant.username(); }



}