protected virtual IResultWriter CreateFirstPhaseResultWriter(
IEmittedEventWriter emittedEventWriter, CheckpointTag zeroCheckpointTag,
ProjectionNamesBuilder namingBuilder)
{
return(new ResultWriter(
CreateFirstPhaseResultEmitter(namingBuilder), emittedEventWriter, GetProducesRunningResults(),
zeroCheckpointTag, namingBuilder.GetPartitionCatalogStreamName()));
}
public ProjectionSourceDefinition Build(ProjectionNamesBuilder namingBuilder)
{
return new ProjectionSourceDefinition
{
AllEvents = _allEvents,
AllStreams = _allStreams,
ByStream = _byStream,
ByCustomPartitions = _byCustomPartitions,
Categories = (_categories ?? new List<string>()).ToArray(),
Events = (_events ?? new List<string>()).ToArray(),
Streams = (_streams ?? new List<string>()).ToArray(),
DefinesStateTransform = _definesStateTransform,
Options = _options,
ResultStreamName = namingBuilder.GetResultStreamName(),
PartitionResultStreamNamePattern = namingBuilder.GetPartitionResultStreamNamePattern(),
PartitionResultCatalogStream = namingBuilder.GetPartitionResultCatalogStreamName(),
PartitionCatalogStream = namingBuilder.GetPartitionCatalogStreamName(),
};
}
public ProjectionSourceDefinition Build(ProjectionNamesBuilder namingBuilder)
{
return(new ProjectionSourceDefinition
{
AllEvents = _allEvents,
AllStreams = _allStreams,
ByStream = _byStream,
ByCustomPartitions = _byCustomPartitions,
Categories = (_categories ?? new List <string>()).ToArray(),
Events = (_events ?? new List <string>()).ToArray(),
Streams = (_streams ?? new List <string>()).ToArray(),
DefinesStateTransform = _definesStateTransform,
Options = _options,
ResultStreamName = namingBuilder.GetResultStreamName(),
PartitionResultStreamNamePattern = namingBuilder.GetPartitionResultStreamNamePattern(),
PartitionResultCatalogStream = namingBuilder.GetPartitionResultCatalogStreamName(),
PartitionCatalogStream = namingBuilder.GetPartitionCatalogStreamName(),
});
}
public static ProjectionSourceDefinition From(
string name, IQuerySources sources, string handlerType, string query)
{
var namingBuilder = new ProjectionNamesBuilder(name, sources);
return(new ProjectionSourceDefinition
{
AllEvents = sources.AllEvents,
AllStreams = sources.AllStreams,
ByStream = sources.ByStreams,
ByCustomPartitions = sources.ByCustomPartitions,
Categories = (sources.Categories ?? new string[0]).ToArray(),
Events = (sources.Events ?? new string[0]).ToArray(),
Streams = (sources.Streams ?? new string[0]).ToArray(),
CatalogStream = sources.CatalogStream,
LimitingCommitPosition = sources.LimitingCommitPosition,
Options =
new QuerySourceOptions
{
DefinesStateTransform = sources.DefinesStateTransform,
DefinesCatalogTransform = sources.DefinesCatalogTransform,
ProducesResults = sources.ProducesResults,
DefinesFold = sources.DefinesFold,
HandlesDeletedNotifications = sources.HandlesDeletedNotifications,
ForceProjectionName = sources.ForceProjectionNameOption,
IncludeLinks = sources.IncludeLinksOption,
DisableParallelism = sources.DisableParallelismOption,
PartitionResultStreamNamePattern = sources.PartitionResultStreamNamePatternOption,
ProcessingLag = sources.ProcessingLagOption.GetValueOrDefault(),
IsBiState = sources.IsBiState,
ReorderEvents = sources.ReorderEventsOption,
ResultStreamName = sources.ResultStreamNameOption,
},
ResultStreamName = namingBuilder.GetResultStreamName(),
PartitionResultStreamNamePattern = namingBuilder.GetPartitionResultStreamNamePattern(),
PartitionResultCatalogStream = namingBuilder.GetPartitionResultCatalogStreamName(),
PartitionCatalogStream = namingBuilder.GetPartitionCatalogStreamName(),
HandlerType = handlerType,
Query = query
});
}
protected virtual IResultWriter CreateFirstPhaseResultWriter(
IEmittedEventWriter emittedEventWriter, CheckpointTag zeroCheckpointTag,
ProjectionNamesBuilder namingBuilder)
{
return new ResultWriter(
CreateFirstPhaseResultEmitter(namingBuilder), emittedEventWriter, GetProducesRunningResults(),
zeroCheckpointTag, namingBuilder.GetPartitionCatalogStreamName());
}
private static List<EmittedEvent> CreateStateUpdatedEvents(ProjectionNamesBuilder projectionNamesBuilder, CheckpointTag zeroCheckpointTag, string partition, PartitionStateCache.State oldState, PartitionStateCache.State newState)
{
var result = new List<EmittedEvent>();
if (!String.IsNullOrEmpty(partition)
&& (oldState.CausedBy == null || oldState.CausedBy == zeroCheckpointTag))
{
result.Add(
new EmittedEvent(
projectionNamesBuilder.GetPartitionCatalogStreamName(), Guid.NewGuid(), "PartitionCreated", partition, newState.CausedBy,
null));
}
result.Add(
new EmittedEvent(
projectionNamesBuilder.MakePartitionStateStreamName(partition), Guid.NewGuid(), "StateUpdated", newState.Data,
newState.CausedBy, oldState.CausedBy));
return result;
}
public static ProjectionSourceDefinition From(
string name, IQuerySources sources, string handlerType, string query)
{
var namingBuilder = new ProjectionNamesBuilder(name, sources);
return new ProjectionSourceDefinition
{
AllEvents = sources.AllEvents,
AllStreams = sources.AllStreams,
ByStream = sources.ByStreams,
ByCustomPartitions = sources.ByCustomPartitions,
Categories = (sources.Categories ?? new string[0]).ToArray(),
Events = (sources.Events ?? new string[0]).ToArray(),
Streams = (sources.Streams ?? new string[0]).ToArray(),
CatalogStream = sources.CatalogStream,
LimitingCommitPosition = sources.LimitingCommitPosition,
Options =
new QuerySourceOptions
{
DefinesStateTransform = sources.DefinesStateTransform,
ProducesResults = sources.ProducesResults,
DefinesFold = sources.DefinesFold,
ForceProjectionName = sources.ForceProjectionNameOption,
IncludeLinks = sources.IncludeLinksOption,
PartitionResultStreamNamePattern = sources.PartitionResultStreamNamePatternOption,
ProcessingLag = sources.ProcessingLagOption.GetValueOrDefault(),
ReorderEvents = sources.ReorderEventsOption,
ResultStreamName = sources.ResultStreamNameOption,
},
ResultStreamName = namingBuilder.GetResultStreamName(),
PartitionResultStreamNamePattern = namingBuilder.GetPartitionResultStreamNamePattern(),
PartitionResultCatalogStream = namingBuilder.GetPartitionResultCatalogStreamName(),
PartitionCatalogStream = namingBuilder.GetPartitionCatalogStreamName(),
HandlerType = handlerType,
Query = query
};
}