documentclientwrapper.js
function () {
            var deferred = Q.defer();
            var that = this;
            this._innerQueryIterator.nextItem(function (error, item, responseHeaders) {
                if (error) {
                    addOrMergeHeadersForError(error, responseHeaders);
                    deferred.reject(error);
                } else {
                    deferred.resolve({ resource: item, headers: responseHeaders });
                }
            });

            return deferred.promise;
        }
function () {
            var deferred = Q.defer();
            var that = this;
            this._innerQueryIterator.nextItem(function (error, item, responseHeaders) {
                if (error) {
                    addOrMergeHeadersForError(error, responseHeaders);
                    deferred.reject(error);
                } else {
                    deferred.resolve({ resource: item, headers: responseHeaders });
                }
            });

            return deferred.promise;
        }
function ( ) { var deferred = Q . defer ( ) ; var that = this ; this . _innerQueryIterator . nextItem ( function ( error , item , responseHeaders ) { if ( error ) { addOrMergeHeadersForError ( error , responseHeaders ) ; deferred . reject ( error ) ; } else { deferred . resolve ( { resource : item , headers : responseHeaders } ) ; } } ) ; return deferred . promise ; }
Gets the next element in the QueryIterator.
@memberof QueryIteratorWrapper
@instance
@Returns {Object} A promise object for the request completion. The onFulfilled callback is of type {@link ResourceResponse} and onError callback is of type {@link ResponseError}
Gets the next element in the QueryIterator .