private Response.OTSResponse DecodeGetRange(byte[] body, out IMessage _message)
{
var builder = PB.GetRangeResponse.CreateBuilder();
builder.MergeFrom(body);
var message = builder.Build();
var response = new Response.GetRangeResponse
{
ConsumedCapacityUnit = ParseCapacityUnit(message.Consumed.CapacityUnit)
};
if (!message.HasNextStartPrimaryKey)
{
response.NextPrimaryKey = null;
}
else
{
var inputStream = new PB.PlainBufferCodedInputStream(message.NextStartPrimaryKey.CreateCodedInput());
var rows = inputStream.ReadRowsWithHeader();
if (rows.Count != 1)
{
throw new IOException("Expect only one row return. Row count: " + rows.Count);
}
PB.PlainBufferRow row = rows[0];
if (row.HasDeleteMarker() || row.HasCells())
{
throw new IOException("The next primary key should only have primary key: " + row);
}
response.NextPrimaryKey = PB.PlainBufferConversion.ToPrimaryKey(row.GetPrimaryKey());
}
if (message.HasRows && !message.Rows.IsEmpty)
{
List <DataModel.Row> rows = new List <DataModel.Row>();
var inputStream = new PB.PlainBufferCodedInputStream(message.Rows.CreateCodedInput());
List <PB.PlainBufferRow> pbRows = inputStream.ReadRowsWithHeader();
foreach (var pbRow in pbRows)
{
rows.Add((DataModel.Row)PB.PlainBufferConversion.ToRow(pbRow));
}
response.RowDataList = rows;
}
if (message.HasNextToken)
{
response.NextToken = message.NextToken.ToByteArray();
}
_message = message;
return(response);
}
private DataModel.Row ParseRow(ByteString row)
{
PB.PlainBufferCodedInputStream inputStream = new PB.PlainBufferCodedInputStream(row.CreateCodedInput());
List <PB.PlainBufferRow> rows = inputStream.ReadRowsWithHeader();
if (rows.Count != 1)
{
throw new IOException("Expect only returns one row. Row count: " + rows.Count);
}
return(PB.PlainBufferConversion.ToRow(rows[0]) as DataModel.Row);
}
private IList <Response.BatchGetRowResponseItem> ParseTableInBatchGetRowResponse(PB.TableInBatchGetRowResponse table)
{
var ret = new List <Response.BatchGetRowResponseItem>();
int index = 0;
foreach (var row in table.RowsList)
{
DataModel.IRow result = null;
if (!row.IsOk)
{
ret.Add(new Response.BatchGetRowResponseItem(row.Error.Code, row.Error.Message));
continue;
}
if (row.HasRow && !row.Row.IsEmpty)
{
var inputStream = new PB.PlainBufferCodedInputStream(row.Row.CreateCodedInput());
List <PB.PlainBufferRow> rows = inputStream.ReadRowsWithHeader();
if (rows.Count != 1)
{
throw new IOException("Expect only returns one row. Row count: " + rows.Count);
}
result = PB.PlainBufferConversion.ToRow(rows[0]);
}
Response.BatchGetRowResponseItem item = null;
var capacityUnit = ParseCapacityUnit(row.Consumed.CapacityUnit);
if (row.HasNextToken)
{
item = new Response.BatchGetRowResponseItem(table.TableName, result, capacityUnit, index, row.NextToken.ToByteArray());
}
else
{
item = new Response.BatchGetRowResponseItem(table.TableName, result, capacityUnit, index);
}
index++;
ret.Add(item);
}
return(ret);
}
private IList <Response.BatchWriteRowResponseItem> ParseBatchWriteRowResponseItems(string tableName, IList <PB.RowInBatchWriteRowResponse> responseItems)
{
var ret = new List <Response.BatchWriteRowResponseItem>();
int index = 0;
foreach (var responseItem in responseItems)
{
DataModel.IRow row = null;
if (responseItem.IsOk)
{
if (responseItem.HasRow && !responseItem.Row.IsEmpty)
{
try
{
var inputStream = new PB.PlainBufferCodedInputStream(responseItem.Row.CreateCodedInput());
List <PB.PlainBufferRow> rows = inputStream.ReadRowsWithHeader();
if (rows.Count != 1)
{
throw new IOException("Expect only returns one row. Row count: " + rows.Count);
}
row = PB.PlainBufferConversion.ToRow(rows[0]);
}
catch (Exception e)
{
throw new OTSException("Failed to parse row data." + e.Message);
}
}
ret.Add(new Response.BatchWriteRowResponseItem(
ParseCapacityUnit(responseItem.Consumed.CapacityUnit), tableName, index++, row));
}
else
{
ret.Add(new Response.BatchWriteRowResponseItem(
responseItem.Error.Code, responseItem.Error.Message, tableName, index++));
}
}
return(ret);
}
