// Search in index for a query
  private CursorPage<DProduct, String> searchInIndexWithQuery(
      com.google.appengine.api.search.Query query, Index index) {

    CursorPage<DProduct, String> cursorPage = null;

    try {
      // Query the index.
      Results<ScoredDocument> results = index.search(query);

      // Collect all the primary keys
      Collection<String> ids = new ArrayList<String>();
      for (ScoredDocument document : results) {
        ids.add(document.getId());
      }

      if (ids.size() != 0) {
        // We got results, get the places from datastore
        Iterator<DProduct> dProductIterator = queryByPrimaryKeys(null, ids).iterator();

        Collection<DProduct> dProducts = new ArrayList<DProduct>(ids.size());
        while (dProductIterator.hasNext()) {
          dProducts.add(dProductIterator.next());
        }

        // Build a cursor page
        cursorPage = new CursorPage<DProduct, String>();
        cursorPage.setCursorKey(results.getCursor().toWebSafeString());
        cursorPage.setItems(dProducts);
      }
    } catch (SearchException e) {
      if (StatusCode.TRANSIENT_ERROR.equals(e.getOperationResult().getCode())) {
        LOG.error("Search index failed");
        // TODO: Error handling missing
      }
      throw new SearchException("Searching index failed");
    }

    return cursorPage;
  }
Esempio n. 2
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 @Override
 public Map<String, Object> from(ScoredDocument from) {
   Map<String, Object> results = new HashMap<String, Object>();
   results.put("___id___", from.getId());
   for (Field field : from.getFields()) {
     FieldType fieldType = field.getType();
     Object value = null;
     if (FieldType.TEXT.equals(fieldType)) {
       value = field.getText();
     } else if (FieldType.NUMBER.equals(fieldType)) {
       value = field.getNumber();
     } else if (FieldType.DATE.equals(fieldType)) {
       value = field.getDate();
     } else if (FieldType.ATOM.equals(fieldType)) {
       value = field.getAtom();
     } else if (FieldType.HTML.equals(fieldType)) {
       value = field.getHTML();
     } else if (FieldType.GEO_POINT.equals(fieldType)) {
       value = field.getGeoPoint();
     }
     results.put(field.getName(), value);
   }
   return results;
 }
Esempio n. 3
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 @Override
 public String from(ScoredDocument from) {
   return from.getId();
 }