final BulkRequestBuilder bulkRequest = client.prepareBulk();
                    for (final SearchHit hit : hits) {
                        bulkRequest.add(client.prepareDelete().setIndex(hit.getIndex()).setId(hit.getId()));
                    }
                    return bulkRequest.execute();
                });
                if (bulkResponse.hasFailures()) {

        this.emptySource = emptySource;
    }

    /**
     * Sets the ID of the suggest item.
     * @param id The ID to set.
     */
    public void setId(final String id) {
        this.id = id;
    }

    /**
     * Returns an empty map with default values for suggest item fields.
     * @return An empty map.
     */

            IndexRequestBuilder indexRequestBuilder = new IndexRequestBuilder(client, IndexAction.INSTANCE);
            indexRequestBuilder.setIndex(indexName).setId(String.valueOf(i)).setCreate(true).setSource(source);
            bulkRequestBuilder.add(indexRequestBuilder);
        }
        bulkRequestBuilder.execute().actionGet();
        runner.refresh();