async Task InitializeStoresAsync() //throws InterruptedException, ExecutionException, ExceptionWithAction
{
// Make sure the lease store exists
ILeaseManager leaseManager = this.host.LeaseManager;
if (!await leaseManager.LeaseStoreExistsAsync().ConfigureAwait(false))
{
await RetryAsync(() => leaseManager.CreateLeaseStoreIfNotExistsAsync(), null, "Failure creating lease store for this Event Hub, retrying",
"Out of retries creating lease store for this Event Hub", EventProcessorHostActionStrings.CreatingLeaseStore, 5).ConfigureAwait(false);
}
// else
// lease store already exists, no work needed
var partitionIds = await this.GetPartitionIdsAsync().ConfigureAwait(false);
// Now make sure the leases exist
var createLeaseTasks = new List <Task>();
foreach (string id in partitionIds)
{
var subjectId = id;
createLeaseTasks.Add(RetryAsync(() => leaseManager.CreateLeaseIfNotExistsAsync(subjectId), subjectId, $"Failure creating lease for partition {subjectId}, retrying",
$"Out of retries creating lease for partition {subjectId}", EventProcessorHostActionStrings.CreatingLease, 5));
}
await Task.WhenAll(createLeaseTasks).ConfigureAwait(false);
// Make sure the checkpoint store exists
ICheckpointManager checkpointManager = this.host.CheckpointManager;
if (!await checkpointManager.CheckpointStoreExistsAsync().ConfigureAwait(false))
{
await RetryAsync(() => checkpointManager.CreateCheckpointStoreIfNotExistsAsync(), null, "Failure creating checkpoint store for this Event Hub, retrying",
"Out of retries creating checkpoint store for this Event Hub", EventProcessorHostActionStrings.CreatingCheckpointStore, 5).ConfigureAwait(false);
}
// else
// checkpoint store already exists, no work needed
// Now make sure the checkpoints exist
var createCheckpointTasks = new List <Task>();
foreach (string id in partitionIds)
{
var subjectId = id;
createCheckpointTasks.Add(RetryAsync(() => checkpointManager.CreateCheckpointIfNotExistsAsync(subjectId), subjectId, $"Failure creating checkpoint for partition {subjectId}, retrying",
$"Out of retries creating checkpoint for partition {subjectId}", EventProcessorHostActionStrings.CreatingCheckpoint, 5));
}
await Task.WhenAll(createCheckpointTasks).ConfigureAwait(false);
}
async Task InitializeStoresAsync() //throws InterruptedException, ExecutionException, ExceptionWithAction
{
// Make sure the lease store exists
ILeaseManager leaseManager = this.host.LeaseManager;
if (!await leaseManager.LeaseStoreExistsAsync().ConfigureAwait(false))
{
await RetryAsync(() => leaseManager.CreateLeaseStoreIfNotExistsAsync(), null, "Failure creating lease store for this Event Hub, retrying",
"Out of retries creating lease store for this Event Hub", EventProcessorHostActionStrings.CreatingLeaseStore, 5).ConfigureAwait(false);
}
// else
// lease store already exists, no work needed
// Now make sure the leases exist
foreach (string id in await this.GetPartitionIdsAsync().ConfigureAwait(false))
{
await RetryAsync(() => leaseManager.CreateLeaseIfNotExistsAsync(id), id, "Failure creating lease for partition, retrying",
"Out of retries creating lease for partition", EventProcessorHostActionStrings.CreatingLease, 5).ConfigureAwait(false);
}
// Make sure the checkpoint store exists
ICheckpointManager checkpointManager = this.host.CheckpointManager;
if (!await checkpointManager.CheckpointStoreExistsAsync().ConfigureAwait(false))
{
await RetryAsync(() => checkpointManager.CreateCheckpointStoreIfNotExistsAsync(), null, "Failure creating checkpoint store for this Event Hub, retrying",
"Out of retries creating checkpoint store for this Event Hub", EventProcessorHostActionStrings.CreatingCheckpointStore, 5).ConfigureAwait(false);
}
// else
// checkpoint store already exists, no work needed
// Now make sure the checkpoints exist
foreach (string id in await this.GetPartitionIdsAsync().ConfigureAwait(false))
{
await RetryAsync(() => checkpointManager.CreateCheckpointIfNotExistsAsync(id), id, "Failure creating checkpoint for partition, retrying",
"Out of retries creating checkpoint blob for partition", EventProcessorHostActionStrings.CreatingCheckpoint, 5).ConfigureAwait(false);
}
}