public void Start(TimeSpan lockExpiry, CancellationToken cancellationToken)
{
if (_pipeInfos != null)
{
throw new ApplicationException("Reader instance already started");
}
_pipeInfos = new BlockingCollection <PipeInfo>();
_taskFunnel.ListenForPipeEvents(/*_taskExecutors.Keys, */ _pipeInfos);
ExecuteExisting(lockExpiry);
Parallel.ForEach(_pipeInfos.GetConsumingPartitioner(cancellationToken), new ParallelOptions()
{
MaxDegreeOfParallelism = _maxThreads, CancellationToken = cancellationToken
}, pipeInfo =>
{
var taskExecutor = _taskExecutors[pipeInfo.ParentPipeName];
var messageBatch = _taskFunnel.TryReadMessageBatch(true, pipeInfo, lockExpiry, 2);
ExecuteBatch(taskExecutor, pipeInfo, messageBatch);
});
}
private static void SendReadAndRelease(IRedisTaskFunnel redisTaskFunnel, string parentPipeName, string childPipeName)
{
//send a message
var messageBody = "body";
var sent = redisTaskFunnel.TrySendMessage(parentPipeName, childPipeName, messageBody, Int32.MaxValue,
TimeSpan.FromMinutes(1));
sent.sent.Should().BeTrue();
//sent.clients.Should().BeFalse();
//read the batch
var read = redisTaskFunnel.TryReadMessageBatch(true, PipeInfo.Create(parentPipeName, childPipeName), TimeSpan.FromSeconds(1), 1);
read.Should().NotBeNull();
read.HoldingList.Should().NotBeNull();
read.RedisValues.Should().NotBeEmpty();
read.RedisValues.First().HasValue.Should().BeTrue();
var actualRedisPipeValue = read.RedisPipeValues.First();
actualRedisPipeValue.ValueString.Should().Be(messageBody);
//try to release the lock without the wrong holdingListName
var redisPipeValue = new RedisPipeValue(PipeInfo.Create(parentPipeName, childPipeName), "body", Guid.NewGuid().ToString(), true);
var badExtend = redisTaskFunnel.RetainHoldingList(redisPipeValue, TimeSpan.FromSeconds(1));
badExtend.Should().BeFalse();
redisTaskFunnel.AfterExecute(redisPipeValue, true);
//retain with the correct name
var extended = redisTaskFunnel.RetainHoldingList(read, TimeSpan.FromSeconds(1));
extended.Should().BeTrue();
//complete the message and the batch
redisTaskFunnel.AfterExecute(actualRedisPipeValue, true);
redisTaskFunnel.AfterExecuteBatch(read);
//now check the holding list doesn't exist any more.
extended = redisTaskFunnel.RetainHoldingList(read, TimeSpan.FromSeconds(1));
extended.Should().BeFalse();
}