Пример #1
0
        public void When_I_Scan_with_a_PrefixFilter_I_get_the_expected_results()
        {
            FilterTestRecord example = _allExpectedRecords.First();
            byte[] rawRowkey = Encoding.UTF8.GetBytes(example.RowKey);

            const int prefixLength = 4;
            var prefix = new byte[prefixLength];
            Array.Copy(rawRowkey, prefix, prefixLength);

            List<FilterTestRecord> expectedRecords = (from r in _allExpectedRecords
                let rawKey = Encoding.UTF8.GetBytes(r.RowKey)
                where rawKey[0] == prefix[0] && rawKey[1] == prefix[1] && rawKey[2] == prefix[2] && rawKey[3] == prefix[3]
                select r).ToList();

            var client = new HBaseClient(_credentials);
            var scanner = new Scanner();
            var filter = new PrefixFilter(prefix);
            scanner.filter = filter.ToEncodedString();
            RequestOptions scanOptions = RequestOptions.GetDefaultOptions();
            scanOptions.AlternativeEndpoint = Constants.RestEndpointBaseZero;
            ScannerInformation scanInfo = null;
            try
            {
                scanInfo = client.CreateScannerAsync(_tableName, scanner, scanOptions).Result;
                List<FilterTestRecord> actualRecords = RetrieveResults(scanInfo, scanOptions).ToList();

                actualRecords.ShouldContainOnly(expectedRecords);
            }
            finally
            {
                if (scanInfo != null)
                {
                    client.DeleteScannerAsync(_tableName, scanInfo, scanOptions).Wait();
                }
            }
        }
        public void When_I_Scan_with_a_PrefixFilter_I_get_the_expected_results()
        {
            FilterTestRecord example = _allExpectedRecords.First();
            byte[] rawRowkey = Encoding.UTF8.GetBytes(example.RowKey);

            const int prefixLength = 4;
            var prefix = new byte[prefixLength];
            Array.Copy(rawRowkey, prefix, prefixLength);

            List<FilterTestRecord> expectedRecords = (from r in _allExpectedRecords
                let rawKey = Encoding.UTF8.GetBytes(r.RowKey)
                where rawKey[0] == prefix[0] && rawKey[1] == prefix[1] && rawKey[2] == prefix[2] && rawKey[3] == prefix[3]
                select r).ToList();

            var client = new HBaseClient(_credentials);
            var scanner = new Scanner();
            var filter = new PrefixFilter(prefix);
            scanner.filter = filter.ToEncodedString();

            ScannerInformation scanInfo = client.CreateScanner(_tableName, scanner);
            List<FilterTestRecord> actualRecords = RetrieveResults(scanInfo).ToList();

            actualRecords.ShouldContainOnly(expectedRecords);
        }