public synchronized static HortonMachine getInstance() {
        if (hortonMachine == null) {
            hortonMachine = new HortonMachine(null);
            hortonMachine.gatherInformations();
        }
        return hortonMachine;
    }
public synchronized static HortonMachine getInstance ( ) { if ( hortonMachine == null ) { hortonMachine = new HortonMachine ( null ) ; hortonMachine . gatherInformations ( ) ; } return hortonMachine ; }
Retrieves the {@link HortonMachine}. If it exists, that instance is returned.

@return the horton machine annotations class.