return 0;
}
public void validate() throws IOException {
final SearchRequestBuilder builder = toSearchRequest();
_request = builder.request();
final XContentBuilder xBuilder = XContentFactory.jsonBuilder();
builder.internalBuilder().toXContent(xBuilder, null);
_requestString = builder.toString();
_response = builder.execute().actionGet();
final TermsFacet facet = _response.getFacets().facet("bucket_check");