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using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL;
using Tango.BL.Entities;
using Tango.BL.Enumerations;
using Tango.Telemetry.Mappers;
using Tango.Telemetry.Telemetries;
namespace Tango.Telemetry.Sources
{
public class TelemetryMachineUpdatesStreamingSource : ITelemetryStreamingSource
{
public string Name { get; } = "Machine Updates Streaming";
public bool RequiresTelemetryDuplicationTracking { get; } = true;
public bool IsStarted { get; private set; }
public event EventHandler<TelemetryAvailableEventArgs> TelemetryAvailable;
public void Start()
{
if (!IsStarted)
{
IsStarted = true;
TangoUpdate.TangoUpdateSaved += TangoUpdate_UpdateSaved;
}
}
public void Stop()
{
if (IsStarted)
{
IsStarted = false;
TangoUpdate.TangoUpdateSaved -= TangoUpdate_UpdateSaved;
}
}
private void TangoUpdate_UpdateSaved(object sender, TangoUpdate update)
{
if (IsStarted)
{
if (!update.IsSynchronization)
{
using (ObservablesContext db = ObservablesContext.CreateDefault())
{
if (db.TangoUpdates.Any(x => x.Guid == update.Guid)) return;
TelemetryMachineUpdate tUpdate = MachineUpdateMapper.MapMachineUpdate(update);
TelemetryAvailable?.Invoke(this, new TelemetryAvailableEventArgs() { TelemetryObject = tUpdate });
}
}
}
}
public void Dispose()
{
Stop();
}
}
}
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