public async Task Start()
{
if (queueAdapter.Direction.Equals(StreamProviderDirection.ReadOnly) ||
queueAdapter.Direction.Equals(StreamProviderDirection.ReadWrite))
{
var siloRuntime = providerRuntime as ISiloSideStreamProviderRuntime;
if (siloRuntime != null)
{
pullingAgentManager = await siloRuntime.InitializePullingAgents(Name, adapterFactory, queueAdapter, myConfig);
// TODO: No support yet for DeliveryDisabled, only Stopped and Started
if (startupState == PersistentStreamProviderState.AgentsStarted)
{
await pullingAgentManager.StartAgents();
}
}
}
}
public Task InitializePullingAgents(
string streamProviderName,
StreamQueueBalancerType balancerType,
StreamPubSubType pubSubType,
IQueueAdapterFactory adapterFactory,
IQueueAdapter queueAdapter,
TimeSpan getQueueMsgsTimerPeriod,
TimeSpan initQueueTimeout,
TimeSpan maxEventDeliveryTime)
{
IStreamQueueBalancer queueBalancer = StreamQueueBalancerFactory.Create(
balancerType, streamProviderName, Silo.CurrentSilo.LocalSiloStatusOracle, Silo.CurrentSilo.OrleansConfig, this, adapterFactory.GetStreamQueueMapper());
var managerId = GrainId.NewSystemTargetGrainIdByTypeCode(Constants.PULLING_AGENTS_MANAGER_SYSTEM_TARGET_TYPE_CODE);
var manager = new PersistentStreamPullingManager(managerId, streamProviderName, this, this.PubSub(pubSubType), adapterFactory, queueBalancer, getQueueMsgsTimerPeriod, initQueueTimeout, maxEventDeliveryTime);
this.RegisterSystemTarget(manager);
// Init the manager only after it was registered locally.
pullingAgentManager = manager.AsReference <IPersistentStreamPullingManager>();
// Need to call it as a grain reference though.
return(pullingAgentManager.Initialize(queueAdapter.AsImmutable()));
}
private async Task Start(CancellationToken token)
{
if (!this.stateManager.PresetState(ProviderState.Started))
{
return;
}
if (this.queueAdapter.Direction.Equals(StreamProviderDirection.ReadOnly) ||
this.queueAdapter.Direction.Equals(StreamProviderDirection.ReadWrite))
{
var siloRuntime = this.runtime as ISiloSideStreamProviderRuntime;
if (siloRuntime != null)
{
this.pullingAgentManager = await siloRuntime.InitializePullingAgents(this.Name, this.adapterFactory, this.queueAdapter);
// TODO: No support yet for DeliveryDisabled, only Stopped and Started
if (this.lifeCycleOptions.StartupState == StreamLifecycleOptions.RunState.AgentsStarted)
{
await pullingAgentManager.StartAgents();
}
}
}
stateManager.CommitState();
}
