public DispatchHandler addBinding(Expression<Boolean> condition,Handler handler,URI baseURI){
  bindings.add(new Binding(condition,handler,baseURI));
  return this;
}

public DispatchHandler addBinding ( Expression < Boolean > condition , Handler handler , URI baseURI ) { bindings . add ( new Binding ( condition , handler , baseURI ) ) ; return this ; }
binds an expression to the current handler to dispatch to .
