code: public void handleEvent(Event event) {
          String topic = event.getTopic();
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
              Tr.debug(tc, "Received event topic: " + topic);
          }
          HttpInboundLink link = event.getProperty(CallbackIDs.CALLBACK_HTTPICL.getName(), HttpInboundLink.class);
          if (null != link) {
              if (tc.isEventEnabled()) {
                  Tr.event(tc, "Processing request on new thread; " + link);
              }
              link.ready(link.getVirtualConnection());
          } else {
              if (TraceComponent.isAnyTracingEnabled() && tc.isEventEnabled()) {
                  Tr.event(tc, "Unable to process pipelined request with null link");
              }
          }
      }
docs: /*
  @see
  org.osgi.service.event.EventHandler#handleEvent(org.osgi.service.event.
  Event)