private void populateTableRowFromCollection(Collection collection, TableRow row) {
    int id = collection.getID();
    Bitstream logo = collection.getLogo();
    Item templateItem = collection.getTemplateItem();
    Group admins = collection.getAdministrators();
    Group[] workflowGroups = collection.getWorkflowGroups();

    if (logo == null) {
      row.setColumnNull("logo_bitstream_id");
    } else {
      row.setColumn("logo_bitstream_id", logo.getID());
    }

    if (templateItem == null) {
      row.setColumnNull("template_item_id");
    } else {
      row.setColumn("template_item_id", templateItem.getID());
    }

    if (admins == null) {
      row.setColumnNull("admin");
    } else {
      row.setColumn("admin", admins.getID());
    }

    for (int i = 1; i <= workflowGroups.length; i++) {
      Group g = workflowGroups[i - 1];
      if (g == null) {
        row.setColumnNull("workflow_step_" + i);
      } else {
        row.setColumn("workflow_step_" + i, g.getID());
      }
    }

    // Now loop over all allowed metadata fields and set the value into the
    // TableRow.
    for (CollectionMetadataField field : CollectionMetadataField.values()) {
      String value = collection.getMetadata(field.toString());
      if (value == null) {
        row.setColumnNull(field.toString());
      } else {
        row.setColumn(field.toString(), value);
      }
    }

    row.setColumn("uuid", collection.getIdentifier().getUUID().toString());
  }