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 static CompletionHelper GetNew()
{
CompletionHelper temp = new CompletionHelper();
temp.source = new TaskCompletionSource <object> ();
return(temp);
}
public BroadcastOutgoingQueue(
ISourceBlock <T> block, CompletionHelper compHelper,
Func <bool> externalCompleteTester, Action <int> decreaseItemsCount,
DataflowBlockOptions options, bool hasCloner)
: base(compHelper, externalCompleteTester, decreaseItemsCount, options)
{
targets = new BroadcastTargetCollection <T> (block, hasCloner);
}
public PassingMessageBox(BlockingCollection <TInput> messageQueue,
CompletionHelper compHelper,
Func <bool> externalCompleteTester,
Action processQueue,
DataflowBlockOptions dataflowBlockOptions) : base(messageQueue, compHelper, externalCompleteTester)
{
this.dataflowBlockOptions = dataflowBlockOptions;
this.processQueue = processQueue;
}
TransformBlock(ExecutionDataflowBlockOptions dataflowBlockOptions)
{
if (dataflowBlockOptions == null)
{
throw new ArgumentNullException("dataflowBlockOptions");
}
this.dataflowBlockOptions = dataflowBlockOptions;
this.compHelper = new CompletionHelper(dataflowBlockOptions);
}
public PassingMessageBox(
ITargetBlock <TInput> target, BlockingCollection <TInput> messageQueue,
CompletionHelper compHelper, Func <bool> externalCompleteTester,
Action <bool> processQueue, DataflowBlockOptions dataflowBlockOptions,
bool greedy = true, Func <bool> canAccept = null)
: base(target, messageQueue, compHelper, externalCompleteTester,
dataflowBlockOptions, greedy, canAccept)
{
this.processQueue = processQueue;
}
public OutgoingQueue(
ISourceBlock <T> block, CompletionHelper compHelper,
Func <bool> externalCompleteTester, Action <int> decreaseItemsCount,
DataflowBlockOptions options, Func <T, int> countSelector = null)
: base(compHelper, externalCompleteTester,
decreaseItemsCount, options)
{
targets = new TargetCollection <T> (block);
this.countSelector = countSelector;
}
protected ExecutingMessageBoxBase(
ITargetBlock <TInput> target, BlockingCollection <TInput> messageQueue,
CompletionHelper compHelper, Func <bool> externalCompleteTester,
Action outgoingQueueComplete, ExecutionDataflowBlockOptions options)
: base(
target, messageQueue, compHelper, externalCompleteTester,
options)
{
this.Options = options;
this.outgoingQueueComplete = outgoingQueueComplete;
}
public ExecutingMessageBox(
ITargetBlock <TInput> target, BlockingCollection <TInput> messageQueue,
CompletionHelper compHelper, Func <bool> externalCompleteTester,
Func <bool> processItem, Action outgoingQueueComplete,
ExecutionDataflowBlockOptions options)
: base(
target, messageQueue, compHelper, externalCompleteTester,
outgoingQueueComplete, options)
{
this.processItem = processItem;
}
public JoinTarget(
IDataflowBlock joinBlock, Action signal, CompletionHelper helper,
Func <bool> externalCompleteTester, DataflowBlockOptions options,
bool greedy, Func <bool> canAccept)
: base(null, new BlockingCollection <TTarget> (), helper, externalCompleteTester,
options, greedy, canAccept)
{
this.joinBlock = joinBlock;
this.signal = signal;
Target = this;
}
protected OutgoingQueueBase(
CompletionHelper compHelper, Func <bool> externalCompleteTester,
Action <int> decreaseItemsCount, DataflowBlockOptions options)
{
IsProcessing = new AtomicBoolean();
Store = new ConcurrentQueue <T> ();
Outgoing = new BlockingCollection <T> (Store);
this.compHelper = compHelper;
this.externalCompleteTester = externalCompleteTester;
this.options = options;
this.decreaseItemsCount = decreaseItemsCount;
}
protected MessageBox(
ITargetBlock <TInput> target, BlockingCollection <TInput> messageQueue,
CompletionHelper compHelper, Func <bool> externalCompleteTester,
DataflowBlockOptions options, bool greedy = true, Func <bool> canAccept = null)
{
this.Target = target;
this.CompHelper = compHelper;
this.MessageQueue = messageQueue;
this.externalCompleteTester = externalCompleteTester;
this.options = options;
this.greedy = greedy;
this.canAccept = canAccept;
}
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 BroadcastBlock(Func <T, T> cloningFunction,
DataflowBlockOptions dataflowBlockOptions)
{
if (dataflowBlockOptions == null)
{
throw new ArgumentNullException("dataflowBlockOptions");
}
this.cloningFunction = cloningFunction;
this.dataflowBlockOptions = dataflowBlockOptions;
this.compHelper = new CompletionHelper(dataflowBlockOptions);
this.messageBox = new PassingMessageBox <T> (this, messageQueue, compHelper,
() => outgoing.IsCompleted, _ => BroadcastProcess(), dataflowBlockOptions);
this.outgoing = new BroadcastOutgoingQueue <T> (this, compHelper,
() => messageQueue.IsCompleted, messageBox.DecreaseCount,
dataflowBlockOptions, cloningFunction != null);
}
public WriteOnceBlock(Func <T, T> cloningFunction,
DataflowBlockOptions dataflowBlockOptions)
{
if (dataflowBlockOptions == null)
{
throw new ArgumentNullException("dataflowBlockOptions");
}
this.cloningFunction = cloningFunction;
this.dataflowBlockOptions = dataflowBlockOptions;
this.compHelper = CompletionHelper.GetNew(dataflowBlockOptions);
this.messageBox = new PassingMessageBox <T> (this, messageQueue, compHelper,
() => true, _ => BroadcastProcess(), dataflowBlockOptions,
canAccept: () => written.TrySet());
this.outgoing = new BroadcastOutgoingQueue <T> (this, compHelper,
() => messageQueue.IsCompleted, messageBox.DecreaseCount,
dataflowBlockOptions, cloningFunction != null);
}
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);
}
public MessageOutgoingQueue(CompletionHelper compHelper, Func <bool> externalCompleteTester)
{
this.outgoing = new BlockingCollection <T> (store);
this.compHelper = compHelper;
this.externalCompleteTester = externalCompleteTester;
}
public void Setup ()
{
helper = CompletionHelper.GetNew ();
}
public JoinTarget(JoinBlock <T1, T2> joinBlock, Action signal, BlockingCollection <TTarget> buffer, CompletionHelper helper)
: base(buffer, helper, () => joinBlock.outgoing.IsCompleted)
{
this.joinBlock = joinBlock;
this.buffer = buffer;
this.signal = signal;
}
public MessageBox(BlockingCollection <TInput> messageQueue, CompletionHelper compHelper, Func <bool> externalCompleteTester)
{
this.compHelper = compHelper;
this.messageQueue = messageQueue;
this.externalCompleteTester = externalCompleteTester;
}
public static CompletionHelper GetNew ()
{
CompletionHelper temp = new CompletionHelper ();
temp.source = new TaskCompletionSource<object> ();
return temp;
}
