@Override
 public JSON getDescriptor(ModuleMetaModel metaModel) {
   JSON json = new JSON();
   for (ApplicationMetaModel application : metaModel.getChildren(ApplicationMetaModel.class)) {
     json.set(application.getHandle().getPackage().toString(), new JSON());
   }
   return json;
 }
  @Override
  public void postActivate(ModuleMetaModel metaModel) {
    for (ApplicationMetaModelPlugin plugin : context.getPlugins()) {
      plugin.postActivate(metaModel);
    }

    //
    context.postActivate(metaModel.processingContext);
    for (ApplicationMetaModel application : metaModel.getChildren(ApplicationMetaModel.class)) {
      for (ApplicationMetaModelPlugin plugin : context.getPlugins()) {
        plugin.postActivate(application);
      }
    }
  }
  @Override
  public void postProcessAnnotations(ModuleMetaModel metaModel) {

    // Resolve applications
    for (ApplicationMetaModel application : metaModel.getChildren(ApplicationMetaModel.class)) {
      if (application.modified) {
        metaModel.queue(MetaModelEvent.createUpdated(application));
        application.modified = false;
      }
    }

    //
    context.postProcessAnnotations();
  }
  private void emitConfig(ModuleMetaModel metaModel) {
    JSON descriptor = new JSON();

    // Application configs
    for (ApplicationMetaModel application : metaModel.getChildren(ApplicationMetaModel.class)) {

      //
      metaModel.processingContext.log(
          "Emitting application " + application.getHandle() + " config");

      // Recycle
      descriptor.clear();

      // Emit config
      for (ApplicationMetaModelPlugin plugin : context.getPlugins()) {
        JSON pluginDescriptor = plugin.getDescriptor(application);
        if (pluginDescriptor != null) {
          descriptor.set(plugin.getName(), pluginDescriptor);
        }
      }

      //
      Writer writer = null;
      try {
        FileObject fo =
            metaModel.processingContext.createResource(
                StandardLocation.CLASS_OUTPUT, application.getName(), "config.json");
        writer = fo.openWriter();
        descriptor.toString(writer, 2);
      } catch (IOException e) {
        throw ApplicationMetaModel.CANNOT_WRITE_APPLICATION_CONFIG.failure(
            e, metaModel.processingContext.get(application.getHandle()), application.getName());
      } finally {
        Tools.safeClose(writer);
      }
    }
  }