/// <summary>
/// Constructor
/// </summary>
/// <param name="plane">Plane</param>
/// <param name="normal">Normal</param>
protected BSPTree(BSPTree <T> parent, ICollection <T> items, PartitionHandler partitionHandler)
{
this.parent = parent;
bounds = GetBounds(items);
partition = DeterminePartition(items, bounds, partitionHandler);
if (items.Count == 1)
{
this.items.AddRange(items);
}
else
{
var backItems = new List <T>();
var frontItems = new List <T>();
foreach (var item in items)
{
Add(item, backItems, frontItems);
}
if (backItems.Count > 0)
{
back = new BSPTree <T>(this, backItems, partitionHandler);
}
if (frontItems.Count > 0)
{
front = new BSPTree <T>(this, frontItems, partitionHandler);
}
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="plane">Plane</param>
/// <param name="normal">Normal</param>
protected BSPTree(BSPTree parent, IList <IBSPItem> items, PartitionHandler partitionHandler)
{
this.parent = parent;
bounds = GetBounds(items);
partition = DeterminePartition(items, bounds, partitionHandler);
if (items.Count == 1)
{
this.items.Add(items[0]);
}
else
{
List <IBSPItem> backItems = new List <IBSPItem>();
List <IBSPItem> frontItems = new List <IBSPItem>();
foreach (IBSPItem item in items)
{
Add(item, backItems, frontItems);
}
if (backItems.Count > 0)
{
back = new BSPTree(this, backItems, partitionHandler);
}
if (frontItems.Count > 0)
{
front = new BSPTree(this, frontItems, partitionHandler);
}
}
}
public PartitioningInterceptor(IApplicationContext applicationContext, IBindingOptions bindingOptions, IPartitionKeyExtractorStrategy partitionKeyExtractorStrategy, IPartitionSelectorStrategy partitionSelectorStrategy)
{
_bindingOptions = bindingOptions;
_partitionHandler = new PartitionHandler(
applicationContext,
_bindingOptions.Producer,
partitionKeyExtractorStrategy,
partitionSelectorStrategy);
}
public PartitioningInterceptor(IExpressionParser expressionParser, IEvaluationContext evaluationContext, IBindingOptions bindingOptions, IPartitionKeyExtractorStrategy partitionKeyExtractorStrategy, IPartitionSelectorStrategy partitionSelectorStrategy)
{
_bindingOptions = bindingOptions;
_partitionHandler = new PartitionHandler(
expressionParser,
evaluationContext,
_bindingOptions.Producer,
partitionKeyExtractorStrategy,
partitionSelectorStrategy);
}
/// <summary>
/// Delegates execution to the provided <see cref="IPartitionHandler"/>. The
/// <see cref="StepExecution"/> passed in here becomes the parent or master
/// execution for the partition, summarising the status on exit of the
/// logical grouping of work carried out by the PartitionHandler. The
/// individual step executions and their input parameters (through
/// ExecutionContext) for the partition elements are provided by the
/// StepExecutionSplitter.
/// </summary>
/// <param name="stepExecution">the master step execution for the partition</param>
/// <exception cref="Exception"> </exception>
protected override void DoExecute(StepExecution stepExecution)
{
stepExecution.ExecutionContext.Put(StepConstants.StepTypeKey, GetType().Name);
// Wait for task completion and then aggregate the results
ICollection <StepExecution> executions = PartitionHandler.Handle(StepExecutionSplitter, stepExecution);
stepExecution.UpgradeStatus(BatchStatus.Completed);
StepExecutionAggregator.Aggregate(stepExecution, executions);
// If anything failed or had a problem we need to crap out
if (stepExecution.BatchStatus.IsUnsuccessful())
{
throw new JobExecutionException("Partition handler returned an unsuccessful step");
}
}
public async ValueTask ExecuteAsync(IConsole console)
{
var tcs = new TaskCompletionSource <bool>();
EventHubClient client = EventHubClient.CreateFromConnectionString($"Endpoint=sb://{Namespace}.servicebus.windows.net;EntityPath={EventHub};SharedAccessKeyName={SasKeyName};SharedAccessKey={SasKeyValue}");
var runtimeInformation = await client.GetRuntimeInformationAsync();
var partitionReceivers = runtimeInformation.PartitionIds.Select(partitionId => client.CreateReceiver("$Default", partitionId, ShouldReadFromStart ? EventPosition.FromStart() : EventPosition.FromEnd())).ToList();
Channel <string> queue = Channel.CreateBounded <string>(10000);
PartitionHandler pr = new PartitionHandler(queue);
Task readerTask = Task.Run(async() =>
{
while (await queue.Reader.WaitToReadAsync())
{
await foreach (string s in queue.Reader.ReadAllAsync())
{
await console.Output.WriteLineAsync(s);
}
}
});
foreach (var partitionReceiver in partitionReceivers)
{
partitionReceiver.SetReceiveHandler(pr);
}
Console.CancelKeyPress += async(s, e) =>
{
await client.CloseAsync();
queue.Writer.TryComplete();
await readerTask;
tcs.TrySetResult(true);
};
await tcs.Task;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="plane">Plane</param>
/// <param name="normal">Normal</param>
protected BSPTree( BSPTree parent, IList<IBSPItem> items, PartitionHandler partitionHandler )
{
this.parent = parent;
bounds = GetBounds( items );
partition = DeterminePartition( items, bounds, partitionHandler );
if ( items.Count == 1 )
{
this.items.Add( items[ 0 ] );
}
else
{
List<IBSPItem> backItems = new List<IBSPItem>();
List<IBSPItem> frontItems = new List<IBSPItem>();
foreach ( IBSPItem item in items )
{
Add( item, backItems, frontItems );
}
if ( backItems.Count > 0 ) back = new BSPTree( this, backItems, partitionHandler );
if ( frontItems.Count > 0 ) front = new BSPTree( this, frontItems, partitionHandler );
}
}
/// <summary>
/// Determine partition
/// </summary>
/// <param name="items">Items</param>
/// <param name="bounds">Bounds</param>
/// <returns>Partition</returns>
protected virtual Plane DeterminePartition(IEnumerable <T> items, BoundingBox bounds, PartitionHandler partitionHandler)
{
Vector3D size = bounds.Max - bounds.Min;
double length;
Vector3D normal;
if (size.Z >= size.X && size.Z >= size.Y)
{
length = size.Z;
normal = new Vector3D(0, 0, 1);
}
else if (size.X >= size.Y && size.X >= size.Z)
{
length = size.X;
normal = new Vector3D(1, 0, 0);
}
else
{
length = size.Y;
normal = new Vector3D(0, 1, 0);
}
float position = (float)((partitionHandler != null) ? partitionHandler(length, normal) : 0.5);
return(new Plane((Vector3D)(bounds.Min + (size * position)), normal));
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="normal">Normal</param>
public BSPTree(ICollection <T> items, PartitionHandler partitionHandler)
: this(null, items, partitionHandler)
{
}
/// <summary>
/// Determine partition
/// </summary>
/// <param name="items">Items</param>
/// <param name="bounds">Bounds</param>
/// <returns>Partition</returns>
protected virtual Plane DeterminePartition( IList<IBSPItem> items, BoundingBox bounds, PartitionHandler partitionHandler )
{
Vector3D size = bounds.Max - bounds.Min;
double length;
Vector3D normal;
if ( size.Z >= size.X && size.Z >= size.Y )
{
length = size.Z;
normal = new Vector3D( 0, 0, 1 );
}
else if ( size.X >= size.Y && size.X >= size.Z )
{
length = size.X;
normal = new Vector3D( 1, 0, 0 );
}
else
{
length = size.Y;
normal = new Vector3D( 0, 1, 0 );
}
double position = ( partitionHandler != null ) ? partitionHandler( length, normal ) : 0.5;
return new Plane( bounds.Min + ( size * position ), normal );
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="normal">Normal</param>
public BSPTree( IList<IBSPItem> items, PartitionHandler partitionHandler ) : this( null, items, partitionHandler )
{
}
/// <summary>
/// Determine partition
/// </summary>
/// <param name="items">Items</param>
/// <param name="bounds">Bounds</param>
/// <returns>Partition</returns>
protected virtual Plane DeterminePartition(IList <IBSPItem> items, BoundingBox bounds, PartitionHandler partitionHandler)
{
Vector3D size = bounds.Max - bounds.Min;
double length;
Vector3D normal;
if (size.Z >= size.X && size.Z >= size.Y)
{
length = size.Z;
normal = new Vector3D(0, 0, 1);
}
else if (size.X >= size.Y && size.X >= size.Z)
{
length = size.X;
normal = new Vector3D(1, 0, 0);
}
else
{
length = size.Y;
normal = new Vector3D(0, 1, 0);
}
double position = (partitionHandler != null) ? partitionHandler(length, normal) : 0.5;
return(new Plane(bounds.Min + (size * position), normal));
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="normal">Normal</param>
public BSPTree(IList <IBSPItem> items, PartitionHandler partitionHandler) : this(null, items, partitionHandler)
{
}
