protected void createPropertyProviders()

in ambari-server/src/main/java/org/apache/ambari/server/controller/internal/AbstractProviderModule.java [332:431]
91 lines of code
5 McCabe index (conditional complexity)

  protected void createPropertyProviders(Resource.Type type) {

    List<PropertyProvider> providers = new LinkedList<PropertyProvider>();

    ComponentSSLConfiguration configuration = ComponentSSLConfiguration.instance();
    URLStreamProvider streamProvider = new URLStreamProvider(
        PROPERTY_REQUEST_CONNECT_TIMEOUT, PROPERTY_REQUEST_READ_TIMEOUT,
        configuration.getTruststorePath(), configuration.getTruststorePassword(), configuration.getTruststoreType());

    switch (type){
      case Cluster :
        providers.add(createGangliaReportPropertyProvider(
            type,
            streamProvider,
            ComponentSSLConfiguration.instance(),
            this,
            PropertyHelper.getPropertyId("Clusters", "cluster_name")));
        break;
      case Host :
        providers.add(createGangliaHostPropertyProvider(
            type,
            streamProvider,
            ComponentSSLConfiguration.instance(),
            this,
            PropertyHelper.getPropertyId("Hosts", "cluster_name"),
            PropertyHelper.getPropertyId("Hosts", "host_name")
        ));
        break;
      case Component : {
        // TODO as we fill out stack metric definitions, these can be phased out
        PropertyProvider jpp = createJMXPropertyProvider(
            type,
            streamProvider,
            this,
            PropertyHelper.getPropertyId("ServiceComponentInfo", "cluster_name"),
            null,
            PropertyHelper.getPropertyId("ServiceComponentInfo", "component_name"),
            PropertyHelper.getPropertyId("ServiceComponentInfo", "state"),
            Collections.singleton("STARTED"));

        PropertyProvider gpp = createGangliaComponentPropertyProvider(
            type,
            streamProvider,
            ComponentSSLConfiguration.instance(),
            this,
            PropertyHelper.getPropertyId("ServiceComponentInfo", "cluster_name"),
            PropertyHelper.getPropertyId("ServiceComponentInfo", "component_name"));
        
        providers.add(new StackDefinedPropertyProvider(
            type,
            this,
            this,
            streamProvider,
            PropertyHelper.getPropertyId("ServiceComponentInfo", "cluster_name"),
            PropertyHelper.getPropertyId("ServiceComponentInfo", "host_name"),
            PropertyHelper.getPropertyId("ServiceComponentInfo", "component_name"),
            PropertyHelper.getPropertyId("ServiceComponentInfo", "state"),
            jpp,
            gpp));
        }
        break;
      case HostComponent: {
        // TODO as we fill out stack metric definitions, these can be phased out
        PropertyProvider jpp = createJMXPropertyProvider(
            type,
            streamProvider,
            this,
            PropertyHelper.getPropertyId("HostRoles", "cluster_name"),
            PropertyHelper.getPropertyId("HostRoles", "host_name"),
            PropertyHelper.getPropertyId("HostRoles", "component_name"),
            PropertyHelper.getPropertyId("HostRoles", "state"),
            Collections.singleton("STARTED"));

        PropertyProvider gpp = createGangliaHostComponentPropertyProvider(
            type,
            streamProvider,
            ComponentSSLConfiguration.instance(),
            this,
            PropertyHelper.getPropertyId("HostRoles", "cluster_name"),
            PropertyHelper.getPropertyId("HostRoles", "host_name"),
            PropertyHelper.getPropertyId("HostRoles", "component_name"));
        
        providers.add(new StackDefinedPropertyProvider(
            type,
            this,
            this,
            streamProvider,
            PropertyHelper.getPropertyId("HostRoles", "cluster_name"),
            PropertyHelper.getPropertyId("HostRoles", "host_name"),
            PropertyHelper.getPropertyId("HostRoles", "component_name"),
            PropertyHelper.getPropertyId("HostRoles", "state"),
            jpp,
            gpp));
        }
        break;
      default :
        break;
    }
    putPropertyProviders(type, providers);
  }