protected override IProjectionProcessingPhase[] CreateProjectionProcessingPhases(
IPublisher publisher, Guid projectionCorrelationId, ProjectionNamesBuilder namingBuilder,
PartitionStateCache partitionStateCache, CoreProjection coreProjection, IODispatcher ioDispatcher,
IProjectionProcessingPhase firstPhase)
{
return new[] {firstPhase};
}
protected override IProjectionProcessingPhase[] CreateProjectionProcessingPhases(
IPublisher publisher, Guid projectionCorrelationId, ProjectionNamesBuilder namingBuilder,
PartitionStateCache partitionStateCache, CoreProjection coreProjection, IODispatcher ioDispatcher,
IProjectionProcessingPhase firstPhase)
{
var coreProjectionCheckpointWriter =
new CoreProjectionCheckpointWriter(
namingBuilder.MakeCheckpointStreamName(), ioDispatcher, _projectionVersion, _name);
var checkpointManager2 = new DefaultCheckpointManager(
publisher, projectionCorrelationId, _projectionVersion, _projectionConfig.RunAs, ioDispatcher,
_projectionConfig, _name, new PhasePositionTagger(1), namingBuilder, GetUseCheckpoints(), false,
_sourceDefinition.DefinesFold, coreProjectionCheckpointWriter);
IProjectionProcessingPhase writeResultsPhase;
if (GetProducesRunningResults() ||
!string.IsNullOrEmpty(_sourceDefinition.CatalogStream) && _sourceDefinition.ByStreams)
{
writeResultsPhase = new WriteQueryEofProjectionProcessingPhase(
1, namingBuilder.GetResultStreamName(), coreProjection, partitionStateCache, checkpointManager2,
checkpointManager2);
}
else
{
writeResultsPhase = new WriteQueryResultProjectionProcessingPhase(
1, namingBuilder.GetResultStreamName(), coreProjection, partitionStateCache, checkpointManager2,
checkpointManager2);
}
return(new[] { firstPhase, writeResultsPhase });
}
protected override IProjectionProcessingPhase[] CreateProjectionProcessingPhases(
IPublisher publisher, Guid projectionCorrelationId, ProjectionNamesBuilder namingBuilder,
PartitionStateCache partitionStateCache, CoreProjection coreProjection, IODispatcher ioDispatcher,
IProjectionProcessingPhase firstPhase)
{
var coreProjectionCheckpointWriter =
new CoreProjectionCheckpointWriter(
namingBuilder.MakeCheckpointStreamName(), ioDispatcher, _projectionVersion, _name);
var checkpointManager2 = new DefaultCheckpointManager(
publisher, projectionCorrelationId, _projectionVersion, _projectionConfig.RunAs, ioDispatcher,
_projectionConfig, _name, new PhasePositionTagger(1), namingBuilder, GetUseCheckpoints(), false,
_sourceDefinition.DefinesFold, coreProjectionCheckpointWriter);
IProjectionProcessingPhase writeResultsPhase;
if (GetProducesRunningResults()
|| !string.IsNullOrEmpty(_sourceDefinition.CatalogStream) && _sourceDefinition.ByStreams)
writeResultsPhase = new WriteQueryEofProjectionProcessingPhase(
1, namingBuilder.GetResultStreamName(), coreProjection, partitionStateCache, checkpointManager2,
checkpointManager2);
else
writeResultsPhase = new WriteQueryResultProjectionProcessingPhase(
1, namingBuilder.GetResultStreamName(), coreProjection, partitionStateCache, checkpointManager2,
checkpointManager2);
return new[] {firstPhase, writeResultsPhase};
}
protected override IProjectionProcessingPhase[] CreateProjectionProcessingPhases(
IPublisher publisher, Guid projectionCorrelationId, ProjectionNamesBuilder namingBuilder,
PartitionStateCache partitionStateCache, CoreProjection coreProjection, IODispatcher ioDispatcher,
IProjectionProcessingPhase firstPhase)
{
return(new [] { firstPhase });
}
private void BeginPhase(IProjectionProcessingPhase processingPhase, CheckpointTag startFrom)
{
_projectionProcessingPhase = processingPhase;
_checkpointManager = processingPhase.CheckpointManager;
_projectionProcessingPhase.InitializeFromCheckpoint(startFrom);
_checkpointManager.Start(startFrom);
}
private void BeginPhase(IProjectionProcessingPhase processingPhase, CheckpointTag startFrom, PartitionState rootPartitionState)
{
_projectionProcessingPhase = processingPhase;
_projectionProcessingPhase.SetProjectionState(PhaseState.Starting);
_checkpointManager = processingPhase.CheckpointManager;
_projectionProcessingPhase.InitializeFromCheckpoint(startFrom);
_checkpointManager.Start(startFrom, rootPartitionState);
}
protected abstract IProjectionProcessingPhase[] CreateProjectionProcessingPhases(
IPublisher publisher,
IPublisher inputQueue,
Guid projectionCorrelationId,
ProjectionNamesBuilder namingBuilder,
PartitionStateCache partitionStateCache,
CoreProjection coreProjection,
IODispatcher ioDispatcher,
IProjectionProcessingPhase firstPhase);
private void EnterInitial()
{
_completed = false;
_partitionStateCache.Initialize();
_projectionProcessingPhase = null;
_checkpointManager = _projectionProcessingPhases[0].CheckpointManager;
_checkpointManager.Initialize();
_checkpointReader.Initialize();
_tickPending = false;
if (_requiresRootPartition)
{
_partitionStateCache.CacheAndLockPartitionState("", new PartitionState("", null, CheckpointTag.Empty), null);
}
// NOTE: this is to workaround exception in GetState requests submitted by client
}
protected override IProjectionProcessingPhase[] CreateProjectionProcessingPhases(
IPublisher publisher, IPublisher inputQueue, Guid projectionCorrelationId,
ProjectionNamesBuilder namingBuilder,
PartitionStateCache partitionStateCache, CoreProjection coreProjection, IODispatcher ioDispatcher,
IProjectionProcessingPhase firstPhase)
{
var coreProjectionCheckpointWriter =
new CoreProjectionCheckpointWriter(
namingBuilder.MakeCheckpointStreamName(), ioDispatcher, _projectionVersion, _name);
var checkpointManager2 = new DefaultCheckpointManager(
publisher, projectionCorrelationId, _projectionVersion, SystemAccount.Principal, ioDispatcher,
_projectionConfig, _name, new PhasePositionTagger(1), namingBuilder, GetUseCheckpoints(), false,
_sourceDefinition.DefinesFold, coreProjectionCheckpointWriter);
IProjectionProcessingPhase writeResultsPhase;
if (GetProducesRunningResults())
{
writeResultsPhase = new WriteQueryEofProjectionProcessingPhase(
publisher,
1,
namingBuilder.GetResultStreamName(),
coreProjection,
partitionStateCache,
checkpointManager2,
checkpointManager2,
firstPhase.EmittedStreamsTracker);
}
else
{
writeResultsPhase = new WriteQueryResultProjectionProcessingPhase(
publisher,
1,
namingBuilder.GetResultStreamName(),
coreProjection,
partitionStateCache,
checkpointManager2,
checkpointManager2,
firstPhase.EmittedStreamsTracker);
}
return(new[] { firstPhase, writeResultsPhase });
}
protected override IProjectionProcessingPhase[] CreateProjectionProcessingPhases(
IPublisher publisher,
IPublisher inputQueue,
Guid projectionCorrelationId,
ProjectionNamesBuilder namingBuilder,
PartitionStateCache partitionStateCache,
CoreProjection coreProjection,
IODispatcher ioDispatcher,
IProjectionProcessingPhase firstPhase)
{
var coreProjectionCheckpointWriter =
new CoreProjectionCheckpointWriter(
namingBuilder.MakeCheckpointStreamName(),
ioDispatcher,
_projectionVersion,
_name);
var checkpointManager2 = new DefaultCheckpointManager(
publisher,
projectionCorrelationId,
_projectionVersion,
_projectionConfig.RunAs,
ioDispatcher,
_projectionConfig,
_name,
new PhasePositionTagger(1),
namingBuilder,
GetUseCheckpoints(),
false,
_sourceDefinition.DefinesFold,
coreProjectionCheckpointWriter);
var writeResultsPhase = new WriteQueryEofProjectionProcessingPhase(
publisher,
1,
namingBuilder.GetResultStreamName(),
coreProjection,
partitionStateCache,
checkpointManager2,
checkpointManager2,
firstPhase.EmittedStreamsTracker);
return new[] {firstPhase, writeResultsPhase};
}
protected abstract IProjectionProcessingPhase[] CreateProjectionProcessingPhases(
IPublisher publisher,
IPublisher inputQueue,
Guid projectionCorrelationId,
ProjectionNamesBuilder namingBuilder,
PartitionStateCache partitionStateCache,
CoreProjection coreProjection,
IODispatcher ioDispatcher,
IProjectionProcessingPhase firstPhase);