private ListBlock <T> Convert <T>(ProtoListBlock protoListBlock, bool fillBlock = false)
{
if (protoListBlock == null)
{
return(null);
}
var block = new ListBlock <T>();
block.Attempt = protoListBlock.Attempt;
if (fillBlock)
{
block.Items = Convert <T>(protoListBlock.Items);
}
block.ListBlockId = protoListBlock.ListBlockId;
return(block);
}
private ListBlock <TItem, THeader> Convert <TItem, THeader>(ProtoListBlock protoListBlock, bool fillBlock = false)
{
if (protoListBlock == null)
{
return(null);
}
var block = new ListBlock <TItem, THeader>();
block.Attempt = protoListBlock.Attempt;
if (fillBlock)
{
block.Items = Convert <TItem>(protoListBlock.Items);
}
block.ListBlockId = protoListBlock.ListBlockId;
block.Header = JsonGenericSerializer.Deserialize <THeader>(protoListBlock.Header);
return(block);
}
public async Task <ProtoListBlock> GetLastListBlockAsync(LastBlockRequest lastRangeBlockRequest)
{
var taskDefinition = await _taskRepository.EnsureTaskDefinitionAsync(lastRangeBlockRequest.TaskId).ConfigureAwait(false);
try
{
using (var connection = await CreateNewConnectionAsync(lastRangeBlockRequest.TaskId).ConfigureAwait(false))
{
var command = connection.CreateCommand();
command.CommandText = ListBlockQueryBuilder.GetLastListBlock;
command.CommandTimeout = ConnectionStore.Instance.GetConnection(lastRangeBlockRequest.TaskId).QueryTimeoutSeconds;
command.Parameters.Add("@TaskDefinitionId", SqlDbType.Int).Value = taskDefinition.TaskDefinitionId;
using (var reader = await command.ExecuteReaderAsync().ConfigureAwait(false))
{
while (await reader.ReadAsync().ConfigureAwait(false))
{
var listBlock = new ProtoListBlock();
listBlock.ListBlockId = reader["BlockId"].ToString();
listBlock.Items = await GetListBlockItemsAsync(lastRangeBlockRequest.TaskId, listBlock.ListBlockId).ConfigureAwait(false);
listBlock.Header = SerializedValueReader.ReadValueAsString(reader, "ObjectData", "CompressedObjectData");
return(listBlock);
}
}
}
}
catch (SqlException sqlEx)
{
if (TransientErrorDetector.IsTransient(sqlEx))
{
throw new TransientException("A transient exception has occurred", sqlEx);
}
throw;
}
return(null);
}
private IListBlockContext <TItem, THeader> CreateListBlockContext <TItem, THeader>(ListBlockRequest blockRequest, ProtoListBlock listBlock, int forcedBlockQueueId = 0)
{
var attempt = listBlock.Attempt + 1;
var createRequest = new BlockExecutionCreateRequest(new TaskId(blockRequest.ApplicationName, blockRequest.TaskName),
blockRequest.TaskExecutionId,
blockRequest.BlockType,
listBlock.ListBlockId,
attempt);
var blockExecutionId = _blockRepository.AddListBlockExecution(createRequest);
var listBlockOfT = Convert <TItem, THeader>(listBlock);
var blockContext = new ListBlockContext <TItem, THeader>(_listBlockRepository,
_taskExecutionRepository,
blockRequest.ApplicationName,
blockRequest.TaskName,
blockRequest.TaskExecutionId,
blockRequest.ListUpdateMode,
blockRequest.UncommittedItemsThreshold,
listBlockOfT,
blockExecutionId,
blockRequest.MaxStatusReasonLength,
forcedBlockQueueId.ToString());
return(blockContext);
}
private async Task <IListBlockContext <T> > CreateListBlockContextAsync <T>(ListBlockRequest blockRequest, ProtoListBlock listBlock, int forcedBlockQueueId = 0)
{
var attempt = listBlock.Attempt + 1;
var createRequest = new BlockExecutionCreateRequest(new TaskId(blockRequest.ApplicationName, blockRequest.TaskName),
blockRequest.TaskExecutionId,
BlockType.List,
listBlock.ListBlockId,
attempt);
var blockExecutionId = await _blockRepository.AddListBlockExecutionAsync(createRequest).ConfigureAwait(false);
var listBlockOfT = Convert <T>(listBlock);
var blockContext = new ListBlockContext <T>(_listBlockRepository,
_taskExecutionRepository,
blockRequest.ApplicationName,
blockRequest.TaskName,
blockRequest.TaskExecutionId,
blockRequest.ListUpdateMode,
blockRequest.UncommittedItemsThreshold,
listBlockOfT,
blockExecutionId,
blockRequest.MaxStatusReasonLength,
forcedBlockQueueId.ToString());
return(blockContext);
}