public void Handle(CoreProjectionManagementMessage.CreateAndPrepare message)
{
try
{
//TODO: factory method can throw
IProjectionStateHandler stateHandler = message.HandlerFactory();
string name = message.Name;
var sourceDefinition = ProjectionSourceDefinition.From(
name, stateHandler.GetSourceDefinition(), message.HandlerType, message.Query);
var projectionVersion = message.Version;
var projectionConfig = message.Config;
var namesBuilder = new ProjectionNamesBuilder(name, sourceDefinition);
var projectionProcessingStrategy = _processingStrategySelector.CreateProjectionProcessingStrategy(
name, projectionVersion, namesBuilder,
sourceDefinition, projectionConfig, message.HandlerFactory, stateHandler);
var slaveProjections = projectionProcessingStrategy.GetSlaveProjections();
CreateCoreProjection(message.ProjectionId, projectionConfig.RunAs, projectionProcessingStrategy);
message.Envelope.ReplyWith(
new CoreProjectionManagementMessage.Prepared(
message.ProjectionId, sourceDefinition, slaveProjections));
}
catch (Exception ex)
{
message.Envelope.ReplyWith(
new CoreProjectionManagementMessage.Faulted(message.ProjectionId, ex.Message));
}
}
public void Handle(CoreProjectionManagementMessage.CreateAndPrepare message)
{
try
{
//TODO: factory method can throw
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;
var namesBuilder = new ProjectionNamesBuilder(name, sourceDefinition);
var projectionProcessingStrategy = _processingStrategySelector.CreateProjectionProcessingStrategy(
name,
projectionVersion,
namesBuilder,
sourceDefinition,
projectionConfig,
stateHandler,
message.HandlerType,
message.Query);
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));
}
}
