/// <inheritdoc />
public EventHubContentLocationEventStore(
EventHubContentLocationEventStoreConfiguration configuration,
IContentLocationEventHandler eventHandler,
string localMachineName,
CentralStorage centralStorage,
Interfaces.FileSystem.AbsolutePath workingDirectory)
: base(configuration, nameof(EventHubContentLocationEventStore), eventHandler, centralStorage, workingDirectory)
{
Contract.Requires(configuration.MaxEventProcessingConcurrency >= 1);
_configuration = configuration;
_localMachineName = localMachineName;
if (configuration.MaxEventProcessingConcurrency > 1)
{
_eventProcessingBlocks =
Enumerable.Range(1, configuration.MaxEventProcessingConcurrency)
.Select(
_ =>
{
var serializer = new ContentLocationEventDataSerializer(configuration.SelfCheckSerialization ? ValidationMode.Trace : ValidationMode.Off);
return(new ActionBlock <ProcessEventsInput>(
t => ProcessEventsCoreAsync(t, serializer),
new ExecutionDataflowBlockOptions()
{
MaxDegreeOfParallelism = 1,
BoundedCapacity = configuration.EventProcessingMaxQueueSize,
}));
})
.ToArray();
}
}
/// <inheritdoc />
public MemoryContentLocationEventStore(
MemoryContentLocationEventStoreConfiguration configuration,
IContentLocationEventHandler handler,
CentralStorage centralStorage,
Interfaces.FileSystem.AbsolutePath workingDirectory)
: base(configuration, nameof(MemoryContentLocationEventStore), handler, centralStorage, workingDirectory)
{
_hub = configuration.Hub;
_hub.OnEvent += HubOnEvent;
}
public SlowedEventHubContentLocationEventStore(
ContentLocationEventStoreConfiguration configuration,
IContentLocationEventHandler eventHandler,
string localMachineName,
CentralStorage centralStorage,
AbsolutePath workingDirectory)
: base(configuration, eventHandler, localMachineName, centralStorage, workingDirectory)
{
Contract.Requires(configuration is SlowedContentLocationEventStoreConfiguration);
_configuration = (configuration as SlowedContentLocationEventStoreConfiguration) !;
}
private static ContentLocationEventStore CreateEventStore(
ContentLocationEventStoreConfiguration configuration,
IContentLocationEventHandler eventHandler,
string localMachineName,
LocalDiskCentralStorage centralStorage,
DisposableDirectory eventHubWorkingDirectory)
{
return(configuration switch
{
SlowedContentLocationEventStoreConfiguration _ =>
new SlowedEventHubContentLocationEventStore(configuration, eventHandler, localMachineName, centralStorage, eventHubWorkingDirectory.Path),
_ =>
ContentLocationEventStore.Create(configuration, eventHandler, localMachineName, centralStorage, eventHubWorkingDirectory.Path),
});
private async Task WithContentLocationEventStore(Func <Context, IClock, IAbsFileSystem, ContentLocationEventStore, Task> action, ContentLocationEventStoreConfiguration configuration, IContentLocationEventHandler eventHandler, string localMachineName = "Worker")
{
string centralStateKeyBase = "ThisIsUnused";
var clock = new MemoryClock();
using var fileSystem = new PassThroughFileSystem(TestGlobal.Logger);
var tracingContext = new Context(TestGlobal.Logger);
{
using var localDiskCentralStoreWorkingDirectory = new DisposableDirectory(fileSystem);
var localDiskCentralStoreConfiguration = new LocalDiskCentralStoreConfiguration(localDiskCentralStoreWorkingDirectory.Path, centralStateKeyBase);
var centralStorage = new LocalDiskCentralStorage(localDiskCentralStoreConfiguration);
{
using var eventHubWorkingDirectory = new DisposableDirectory(fileSystem);
var eventStore = CreateEventStore(configuration, eventHandler, localMachineName, centralStorage, eventHubWorkingDirectory, clock);
(await eventStore.StartupAsync(tracingContext)).ShouldBeSuccess();
await action(tracingContext, clock, fileSystem, eventStore);
if (!eventStore.ShutdownStarted)
{
(await eventStore.ShutdownAsync(tracingContext)).ShouldBeSuccess();
}
}
}
}
