void ConfigureProjections()
{
_checkpointTracker.SetUp(_allProjections, 1);
var lastCommit = GetLastCommitId();
foreach (var slot in _projectionsBySlot)
{
var maxCheckpointDispatchedInSlot = slot.Value
.Select(projection =>
{
var checkpoint = _checkpointTracker.GetCheckpoint(projection);
var longCheckpoint = LongCheckpoint.Parse(checkpoint);
return(longCheckpoint.LongValue);
})
.Max();
foreach (var projection in slot.Value)
{
if (_checkpointTracker.NeedsRebuild(projection))
{
//Check if this slot has ever dispatched at least one commit
if (maxCheckpointDispatchedInSlot > 0)
{
_checkpointTracker.SetCheckpoint(projection.GetCommonName(),
maxCheckpointDispatchedInSlot.ToString());
projection.Drop();
projection.StartRebuild(_rebuildContext);
_checkpointTracker.RebuildStarted(projection, lastCommit);
}
else
{
//this is a new slot, all the projection should execute
//as if they are not in rebuild, because they are new
//so we need to immediately stop rebuilding.
projection.StopRebuild();
}
}
projection.SetUp();
}
}
var errors = _checkpointTracker.GetCheckpointErrors();
if (errors.Any())
{
StringBuilder fullError = new StringBuilder();
foreach (var error in errors)
{
Logger.ErrorFormat("CheckpointError: {0}", error);
fullError.AppendLine(error);
}
throw new Exception(String.Format("Found {0} errors in checkpoint status: {1}", errors.Count, fullError.ToString()));
}
}