/// <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;
}
/// <inheritdoc />
public override bool IsImmutable(Interfaces.FileSystem.AbsolutePath dbFile)
{
return(false);
}
/// <inheritdoc />
protected override BoolResult RestoreCheckpointCore(OperationContext context, Interfaces.FileSystem.AbsolutePath checkpointDirectory)
{
return(BoolResult.Success);
}
