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Safely scope workers in demo implementation. (#19)

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This commit is contained in:
Ryan Hughes
2023-02-23 10:19:38 +00:00
committed by GitHub
parent 2dc2d452e6
commit d563e5cfe5
2 changed files with 168 additions and 170 deletions
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GrasshopperAsyncComponentDemo/SampleImplementations/Sample_UslessCyclesComponent.cs
+77 -78
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@@ -10,84 +10,83 @@ using System.Windows.Forms;
namespace GrasshopperAsyncComponentDemo.SampleImplementations
{
public class Sample_UselessCyclesAsyncComponent : GH_AsyncComponent
{
public override Guid ComponentGuid { get => new Guid("DF2B93E2-052D-4BE4-BC62-90DC1F169BF6"); }
protected override System.Drawing.Bitmap Icon { get => Properties.Resources.logo32; }
public override GH_Exposure Exposure => GH_Exposure.primary;
public Sample_UselessCyclesAsyncComponent() : base("Sample Async Component", "CYCLOMATRON-X", "Spins uselessly.", "Samples", "Async")
public class Sample_UselessCyclesAsyncComponent : GH_AsyncComponent
{
BaseWorker = new UselessCyclesWorker();
public override Guid ComponentGuid { get => new Guid("DF2B93E2-052D-4BE4-BC62-90DC1F169BF6"); }
protected override System.Drawing.Bitmap Icon { get => Properties.Resources.logo32; }
public override GH_Exposure Exposure => GH_Exposure.primary;
public Sample_UselessCyclesAsyncComponent() : base("Sample Async Component", "CYCLOMATRON-X", "Spins uselessly.", "Samples", "Async")
{
BaseWorker = new UselessCyclesWorker();
}
private class UselessCyclesWorker : WorkerInstance
{
int MaxIterations { get; set; } = 100;
public UselessCyclesWorker() : base(null) { }
public override void DoWork(Action<string, double> ReportProgress, Action Done)
{
// Checking for cancellation
if (CancellationToken.IsCancellationRequested) { return; }
for (int i = 0; i <= MaxIterations; i++)
{
var sw = new SpinWait();
for (int j = 0; j <= 100; j++)
sw.SpinOnce();
ReportProgress(Id, ((double)(i + 1) / (double)MaxIterations));
// Checking for cancellation
if (CancellationToken.IsCancellationRequested) { return; }
}
Done();
}
public override WorkerInstance Duplicate() => new UselessCyclesWorker();
public override void GetData(IGH_DataAccess DA, GH_ComponentParamServer Params)
{
if (CancellationToken.IsCancellationRequested) return;
int _maxIterations = 100;
DA.GetData(0, ref _maxIterations);
if (_maxIterations > 1000) _maxIterations = 1000;
if (_maxIterations < 10) _maxIterations = 10;
MaxIterations = _maxIterations;
}
public override void SetData(IGH_DataAccess DA)
{
if (CancellationToken.IsCancellationRequested) return;
DA.SetData(0, $"Hello world. Worker {Id} has spun for {MaxIterations} iterations.");
}
}
protected override void RegisterInputParams(GH_InputParamManager pManager)
{
pManager.AddIntegerParameter("N", "N", "Number of spins.", GH_ParamAccess.item);
}
protected override void RegisterOutputParams(GH_OutputParamManager pManager)
{
pManager.AddTextParameter("Output", "O", "Nothing really interesting.", GH_ParamAccess.item);
}
public override void AppendAdditionalMenuItems(ToolStripDropDown menu)
{
base.AppendAdditionalMenuItems(menu);
Menu_AppendItem(menu, "Cancel", (s, e) =>
{
RequestCancellation();
});
}
}
protected override void RegisterInputParams(GH_InputParamManager pManager)
{
pManager.AddIntegerParameter("N", "N", "Number of spins.", GH_ParamAccess.item);
}
protected override void RegisterOutputParams(GH_OutputParamManager pManager)
{
pManager.AddTextParameter("Output", "O", "Nothing really interesting.", GH_ParamAccess.item);
}
public override void AppendAdditionalMenuItems(ToolStripDropDown menu)
{
base.AppendAdditionalMenuItems(menu);
Menu_AppendItem(menu, "Cancel", (s, e) =>
{
RequestCancellation();
});
}
}
public class UselessCyclesWorker : WorkerInstance
{
int MaxIterations { get; set; } = 100;
public UselessCyclesWorker() : base(null) { }
public override void DoWork(Action<string, double> ReportProgress, Action Done)
{
// Checking for cancellation
if (CancellationToken.IsCancellationRequested) { return; }
for (int i = 0; i <= MaxIterations; i++)
{
var sw = new SpinWait();
for (int j = 0; j <= 100; j++)
sw.SpinOnce();
ReportProgress(Id, ((double)(i + 1) / (double)MaxIterations));
// Checking for cancellation
if (CancellationToken.IsCancellationRequested) { return; }
}
Done();
}
public override WorkerInstance Duplicate() => new UselessCyclesWorker();
public override void GetData(IGH_DataAccess DA, GH_ComponentParamServer Params)
{
if (CancellationToken.IsCancellationRequested) return;
int _maxIterations = 100;
DA.GetData(0, ref _maxIterations);
if (_maxIterations > 1000) _maxIterations = 1000;
if (_maxIterations < 10) _maxIterations = 10;
MaxIterations = _maxIterations;
}
public override void SetData(IGH_DataAccess DA)
{
if (CancellationToken.IsCancellationRequested) return;
DA.SetData(0, $"Hello world. Worker {Id} has spun for {MaxIterations} iterations.");
}
}
}