public JoinBlock(GroupingDataflowBlockOptions dataflowBlockOptions)
{
if (dataflowBlockOptions == null)
{
throw new ArgumentNullException("dataflowBlockOptions");
}
this.dataflowBlockOptions = dataflowBlockOptions;
this.compHelper = new CompletionHelper(dataflowBlockOptions);
target1 = new JoinTarget <T1> (this, SignalArrivalTarget, compHelper,
() => outgoing.IsCompleted, dataflowBlockOptions,
dataflowBlockOptions.Greedy, TryAdd1);
target2 = new JoinTarget <T2> (this, SignalArrivalTarget, compHelper,
() => outgoing.IsCompleted, dataflowBlockOptions,
dataflowBlockOptions.Greedy, TryAdd2);
target3 = new JoinTarget <T3> (this, SignalArrivalTarget, compHelper,
() => outgoing.IsCompleted, dataflowBlockOptions,
dataflowBlockOptions.Greedy, TryAdd3);
outgoing = new OutgoingQueue <Tuple <T1, T2, T3> > (
this, compHelper,
() => target1.Buffer.IsCompleted || target2.Buffer.IsCompleted ||
target3.Buffer.IsCompleted,
_ =>
{
target1.DecreaseCount();
target2.DecreaseCount();
target3.DecreaseCount();
}, dataflowBlockOptions);
}
public BatchedJoinBlock(int batchSize,
GroupingDataflowBlockOptions dataflowBlockOptions)
{
if (batchSize <= 0)
{
throw new ArgumentOutOfRangeException(
"batchSize", batchSize, "The batchSize must be positive.");
}
if (dataflowBlockOptions == null)
{
throw new ArgumentNullException("dataflowBlockOptions");
}
if (!dataflowBlockOptions.Greedy)
{
throw new ArgumentException(
"Greedy must be true for this dataflow block.", "dataflowBlockOptions");
}
if (dataflowBlockOptions.BoundedCapacity != DataflowBlockOptions.Unbounded)
{
throw new ArgumentException(
"BoundedCapacity must be Unbounded or -1 for this dataflow block.",
"dataflowBlockOptions");
}
BatchSize = batchSize;
options = dataflowBlockOptions;
completionHelper = CompletionHelper.GetNew(options);
target1 = new JoinTarget <T1> (
this, SignalTarget, completionHelper, () => outgoing.IsCompleted,
dataflowBlockOptions, true, TryAdd);
target2 = new JoinTarget <T2> (
this, SignalTarget, completionHelper, () => outgoing.IsCompleted,
dataflowBlockOptions, true, TryAdd);
target3 = new JoinTarget <T3> (
this, SignalTarget, completionHelper, () => outgoing.IsCompleted,
dataflowBlockOptions, true, TryAdd);
outgoing = new OutgoingQueue <Tuple <IList <T1>, IList <T2>, IList <T3> > > (
this, completionHelper,
() => target1.Buffer.IsCompleted || target2.Buffer.IsCompleted ||
target3.Buffer.IsCompleted,
_ =>
{
target1.DecreaseCount();
target2.DecreaseCount();
target3.DecreaseCount();
}, options);
}
public BufferBlock(DataflowBlockOptions dataflowBlockOptions)
{
if (dataflowBlockOptions == null)
{
throw new ArgumentNullException("dataflowBlockOptions");
}
this.dataflowBlockOptions = dataflowBlockOptions;
this.compHelper = new CompletionHelper(dataflowBlockOptions);
this.messageBox = new PassingMessageBox <T> (this, messageQueue, compHelper,
() => outgoing.IsCompleted, _ => ProcessQueue(), dataflowBlockOptions);
this.outgoing = new OutgoingQueue <T> (this, compHelper,
() => messageQueue.IsCompleted, messageBox.DecreaseCount,
dataflowBlockOptions);
}
public TransformManyBlock(Func <TInput, Task <IEnumerable <TOutput> > > transform,
ExecutionDataflowBlockOptions dataflowBlockOptions)
: this(dataflowBlockOptions)
{
if (transform == null)
{
throw new ArgumentNullException("transform");
}
this.asyncTransform = transform;
this.messageBox = new AsyncExecutingMessageBox <TInput, Task <IEnumerable <TOutput> > > (this, messageQueue, compHelper,
() => outgoing.IsCompleted, AsyncTransformProcess, ProcessFinishedTask, () => outgoing.Complete(),
dataflowBlockOptions);
this.outgoing = new OutgoingQueue <TOutput> (this, compHelper,
() => messageQueue.IsCompleted, messageBox.DecreaseCount,
dataflowBlockOptions);
}
public TransformBlock(Func <TInput, TOutput> transform,
ExecutionDataflowBlockOptions dataflowBlockOptions)
: this(dataflowBlockOptions)
{
if (transform == null)
{
throw new ArgumentNullException("transform");
}
this.transform = transform;
this.messageBox = new ExecutingMessageBox <TInput> (
this, messageQueue, compHelper,
() => outgoing.IsCompleted, TransformProcess, () => outgoing.Complete(),
dataflowBlockOptions);
this.outgoing = new OutgoingQueue <TOutput> (this, compHelper,
() => messageQueue.IsCompleted, messageBox.DecreaseCount,
dataflowBlockOptions);
}
public BatchBlock(int batchSize, GroupingDataflowBlockOptions dataflowBlockOptions)
{
if (batchSize <= 0)
{
throw new ArgumentOutOfRangeException("batchSize", batchSize,
"The batchSize must be positive.");
}
if (dataflowBlockOptions == null)
{
throw new ArgumentNullException("dataflowBlockOptions");
}
if (dataflowBlockOptions.BoundedCapacity != -1 &&
batchSize > dataflowBlockOptions.BoundedCapacity)
{
throw new ArgumentOutOfRangeException("batchSize",
"The batchSize must be smaller than the value of BoundedCapacity.");
}
this.batchSize = batchSize;
this.dataflowBlockOptions = dataflowBlockOptions;
this.compHelper = CompletionHelper.GetNew(dataflowBlockOptions);
Action <bool> processQueue;
Func <bool> canAccept;
if (dataflowBlockOptions.MaxNumberOfGroups == -1)
{
processQueue = newItem => BatchProcess(newItem ? 1 : 0);
canAccept = null;
}
else
{
processQueue = _ => BatchProcess();
canAccept = TryAdd;
}
this.messageBox = new PassingMessageBox <T> (this, messageQueue, compHelper,
() => outgoing.IsCompleted, processQueue, dataflowBlockOptions,
dataflowBlockOptions.Greedy, canAccept);
this.outgoing = new OutgoingQueue <T[]> (this, compHelper,
() => messageQueue.IsCompleted, messageBox.DecreaseCount,
dataflowBlockOptions, batch => batch.Length);
}
