|
public Dispatch ( |
||
| @event | ||
| return | System.Threading.Tasks.Task | |
/// <summary>
/// This is the main entry point for your service's partition replica.
/// RunAsync executes when the primary replica for this partition has write status.
/// </summary>
/// <param name="cancellationToken">Canceled when Service Fabric terminates this partition's replica.</param>
protected override async Task RunAsync(CancellationToken cancellationToken)
{
var queue = await StateManager.GetOrAddAsync<IReliableQueue<string>>("eventBusQueue");
// We use the ServiceFabricEventBus as our way of dispatching in this service.
// The class has all the registered builders and can locate them through the ServiceClient.
var eventBus = new ServiceFabricEventBus();
Handlers.QueryModelBuilders.ToList().ForEach(eventBus.RegisterBuilder);
var deserializer = new Deserializer();
var count = (int)await queue.GetCountAsync();
if(count > 0)
{
_semaphore.Release(count);
}
while(true)
{
cancellationToken.ThrowIfCancellationRequested();
using(ITransaction tx = StateManager.CreateTransaction())
{
ConditionalResult<string> dequeueReply = await queue.TryDequeueAsync(tx);
if(dequeueReply.HasValue)
{
string message = dequeueReply.Value;
await eventBus.Dispatch(deserializer.CreateEvent(JObject.Parse(message)));
await tx.CommitAsync();
}
}
await _semaphore.WaitAsync(cancellationToken);
}
}
/// <summary>
/// This is the main entry point for your service's partition replica.
/// RunAsync executes when the primary replica for this partition has write status.
/// </summary>
/// <param name="cancellationToken">Canceled when Service Fabric terminates this partition's replica.</param>
protected override async Task RunAsync(CancellationToken cancellationToken)
{
var queue = await StateManager.GetOrAddAsync <IReliableQueue <string> >("eventBusQueue");
// We use the ServiceFabricEventBus as our way of dispatching in this service.
// The class has all the registered builders and can locate them through the ServiceClient.
var eventBus = new ServiceFabricEventBus();
Handlers.QueryModelBuilders.ToList().ForEach(eventBus.RegisterBuilder);
var deserializer = new Deserializer();
var count = (int)await queue.GetCountAsync();
if (count > 0)
{
_semaphore.Release(count);
}
while (true)
{
cancellationToken.ThrowIfCancellationRequested();
using (ITransaction tx = StateManager.CreateTransaction())
{
ConditionalResult <string> dequeueReply = await queue.TryDequeueAsync(tx);
if (dequeueReply.HasValue)
{
string message = dequeueReply.Value;
await eventBus.Dispatch(deserializer.CreateEvent(JObject.Parse(message)));
await tx.CommitAsync();
}
}
await _semaphore.WaitAsync(cancellationToken);
}
}
