public void Process(PurgeBatchIssued purgeBatchIssued, EffectTracker effects)
{
var purgeRequest = (PurgeRequestReceived)this.PendingQueries[purgeBatchIssued.QueryEventId];
purgeRequest.NumberInstancesPurged += purgeBatchIssued.Purged.Count;
if (!effects.IsReplaying)
{
// lets the query that is currently in progress know that this batch is done
purgeBatchIssued.WhenProcessed.TrySetResult(null);
}
}
public void Process(PurgeBatchIssued purgeBatchIssued, EffectTracker effects)
{
OrchestrationState state = this.OrchestrationState;
if (this.OrchestrationState != null &&
purgeBatchIssued.InstanceQuery.Matches(this.OrchestrationState))
{
this.OrchestrationState = null;
purgeBatchIssued.Purged.Add(this.InstanceId);
effects.Add(TrackedObjectKey.History(this.InstanceId));
}
}
public async override Task OnQueryCompleteAsync(IAsyncEnumerable <OrchestrationState> instances, Partition partition)
{
int batchCount = 0;
PurgeBatchIssued makeNewBatchObject()
=> new PurgeBatchIssued()
{
PartitionId = partition.PartitionId,
QueryEventId = this.EventIdString,
BatchNumber = batchCount++,
InstanceIds = new List <string>(),
WhenProcessed = new TaskCompletionSource <object>(TaskCreationOptions.RunContinuationsAsynchronously),
InstanceQuery = this.InstanceQuery,
};
PurgeBatchIssued batch = makeNewBatchObject();
async Task ExecuteBatch()
{
await partition.State.Prefetch(batch.KeysToPrefetch);
partition.SubmitInternalEvent(batch);
await batch.WhenProcessed.Task;
}
await foreach (var orchestrationState in instances)
{
batch.InstanceIds.Add(orchestrationState.OrchestrationInstance.InstanceId);
if (batch.InstanceIds.Count == MaxBatchSize)
{
await ExecuteBatch();
batch = makeNewBatchObject();
}
}
if (batch.InstanceIds.Count > 0)
{
await ExecuteBatch();
}
partition.Send(new PurgeResponseReceived()
{
ClientId = this.ClientId,
RequestId = this.RequestId,
NumberInstancesPurged = this.NumberInstancesPurged,
});
}
public void Process(PurgeBatchIssued purgeBatchIssued, EffectTracker effects)
{
this.DeleteHistory();
}
