How to use

addMeta

method

in

com.nexitia.emaginplatform.core.commons.bridge.MultipleResult$Builder

/**
 * @throws OperationException
 * @{inheritedDoc}
 */
@Override
public IOperationResult loadAllNotification(JsonObject query) throws OperationException {
 try {
  List<JsonObject> jsons = new ArrayList<JsonObject>();
  String status = query.get("status").getAsString();
  for (String key : allNotifications.keySet()) {
   JsonObject value = allNotifications.get(key);
   if (status != null) {
    String curStatus = value.get("status").getAsString();
    if (curStatus.equalsIgnoreCase(status)) {
     jsons.add(value);
    }
   }
   else {
    jsons.add(value);
   }
  }
  IOperationResult result = new MultipleResult.Builder().addMeta("total-pages", 1).addMeta("total-elements", jsons.size()).addMeta("current-page", 0).addMeta("current-elements", jsons.size())
    .data(toOperationData(jsons)).build();
  return result;
 }
 catch (Exception e) {
  e.printStackTrace();
  throw new OperationException(e);
 }
}

.addMeta(MultipleResult.hasPreviousPage, false)
.addMeta(MultipleResult.hasNextPage, false)
.addMeta(MultipleResult.totalPages, 1)
.addMeta(MultipleResult.pageNumber, 0)
.addMeta(MultipleResult.totalPages, 1)
.addMeta(MultipleResult.pageElements, 1)
.addMeta(MultipleResult.totalElements, 1).build();

 @Override
 protected Void call() throws Exception {
  if (contentConfiguration != null) {
   if (loadFirstPageData) {
    getItems().clear();
    if (dataProvider != null) {
     setLoading();
     // @formatter:off
     final MultipleResult zero =
       new MultipleResult.Builder()
       .addMeta(IOperationResult.pageSize, pagination != null ? pagination.getCurrentPageSize() : 5)
       .addMeta(IOperationResult.pageNumber, -1).build();
     // @formatter:on
     dataProvider.navigate(controller, zero, Direction.NEXT, e -> {
      model.set(null);
      model.set(e);
     });
    } else {
     setNoContent();
    }
   } else {
    setNoContent();
   }
  }
  return null;
 }
};