public async Task <bool> StartupAsync(BatchHandler <TRequest, TResponse> batchHandler, TimeSpan minimumTimeInterval, TimeSpan maximumTimeInterval, int maximumCount)
{
await ShutdownAsync();
if (minimumTimeInterval > maximumTimeInterval)
{
throw new ArgumentException("Maximum time interval cannot be less than the minimum time interval");
}
if (minimumTimeInterval <= TimeSpan.Zero)
{
throw new ArgumentException("Minimum time interval must be greater than zero");
}
this.userBatchProcessorHandler = batchHandler;
this.MinimumTimeInterval = minimumTimeInterval;
this.MaximumTimeInterval = maximumTimeInterval;
this.MaximumCount = maximumCount;
IsRunning = true;
batchProcessor = new AsyncListProcessor <List <InternalBatchProcessorItem> >(batchProcessor_DoWork, () => IsRunning);
if (!await batchProcessor.StartupAsync())
{
TraceQueue.Trace(this, TracingLevel.Warning, "Failed to startup batch processor. Shutting down...");
await ShutdownAsync();
return(false);
}
return(true);
}
public async Task StartupShutdownTest()
{
var processor = new AsyncListProcessor <AsyncListTestObject>(processItem);
Assert.IsTrue(await processor.StartupAsync(), "Failed to startup list processor");
Assert.IsTrue(processor.IsRunning, "IsRunning was false after startup");
//Process some items
var items = new List <AsyncListTestObject>();
for (int i = 0; i < 10; i++)
{
var item = new AsyncListTestObject();
items.Add(item);
processor.Add(item);
}
Assert.IsTrue(Task.WaitAll(items.Select(item => item.Task).ToArray(), 10000), "Failed to process task lists");
await processor.ShutdownAsync();
Assert.IsFalse(processor.IsRunning, "IsRunning still true after shutdown");
}
/// <summary>
/// Shutdown the current batch processor
/// </summary>
/// <param name="maxWait">Maximum amount of time, in milliseconds, to wait for any pending operation to finish</param>
/// <returns></returns>
public async Task ShutdownAsync(int maxWait = -1)
{
IsRunning = false;
using (var releaser = await queueLock.LockAsync())
{
if (batchTimer != null)
{
batchTimer.Change(-1, -1);
batchTimer.Dispose();
batchTimer = null;
}
}
if (batchProcessor != null)
{
await batchProcessor.ShutdownAsync(maxWait);
batchProcessor = null;
}
queue = null;
}