code: @Override
    public IAppSessionDataFactory<? extends IAppSessionData> getDataFactory(Class<? extends IAppSessionData> x) {
      return this.appSessionDataFactories.get(x);
    }
docs: /*
  (non-Javadoc)
  
  @see
  org.jdiameter.common.api.data.ISessionDatasource#getDataFactory(java.
  lang.Class)