public void Handle(CoreProjectionManagementMessage.CreateAndPrepareSlave message)
{
try
{
//TODO: factory method can throw!
IProjectionStateHandler stateHandler = message.HandlerFactory();
string name = message.Name;
var sourceDefinition = ProjectionSourceDefinition.From(name, stateHandler.GetSourceDefinition(), null, null);
var projectionVersion = message.Version;
var projectionConfig = message.Config.SetIsSlave();
var projectionProcessingStrategy =
_processingStrategySelector.CreateSlaveProjectionProcessingStrategy(
name, projectionVersion, sourceDefinition, projectionConfig, stateHandler,
message.ResultsPublisher, message.MasterCoreProjectionId, this);
CreateCoreProjection(message.ProjectionId, projectionConfig.RunAs, projectionProcessingStrategy);
message.Envelope.ReplyWith(
new CoreProjectionManagementMessage.Prepared(
message.ProjectionId, sourceDefinition, slaveProjections: null));
}
catch (Exception ex)
{
message.Envelope.ReplyWith(
new CoreProjectionManagementMessage.Faulted(message.ProjectionId, ex.Message));
}
}
public void Handle(CoreProjectionManagementMessage.CreateAndPrepareSlave message)
{
try
{
var stateHandler = CreateStateHandler(_timeoutScheduler, _logger, message.HandlerType, message.Query);
string name = message.Name;
var sourceDefinition = ProjectionSourceDefinition.From(stateHandler.GetSourceDefinition());
var projectionVersion = message.Version;
var projectionConfig = message.Config.SetIsSlave();
var projectionProcessingStrategy =
_processingStrategySelector.CreateSlaveProjectionProcessingStrategy(
name,
projectionVersion,
sourceDefinition,
projectionConfig,
stateHandler,
message.MasterWorkerId,
_publisher,
message.MasterCoreProjectionId,
this);
CreateCoreProjection(message.ProjectionId, projectionConfig.RunAs, projectionProcessingStrategy);
_publisher.Publish(
new CoreProjectionStatusMessage.Prepared(
message.ProjectionId,
sourceDefinition));
}
catch (Exception ex)
{
_publisher.Publish(new CoreProjectionStatusMessage.Faulted(message.ProjectionId, ex.Message));
}
}
public void Handle(CoreProjectionManagementMessage.CreateAndPrepareSlave message)
{
var command = new CreateAndPrepareSlaveCommand {
Config = new PersistedProjectionConfig(message.Config),
HandlerType = message.HandlerType,
Id = message.ProjectionId.ToString("N"),
Name = message.Name,
Query = message.Query,
Version = message.Version,
MasterCoreProjectionId = message.MasterCoreProjectionId.ToString("N"),
MasterWorkerId = message.MasterWorkerId.ToString("N")
};
_commandWriter.PublishResponse("$create-and-prepare-slave", message.WorkerId, command);
}
