public override async Task <bool> CompensateAsync(WorkLog item, IRoutingSlip routingSlip)
{
Guid tokenId = item.Result.WorkId;
Guid cancelId = await PostCompensationEndpointAddress <Guid>();
Console.WriteLine("Compensate token {0} - confirmation Id: {1}.", tokenId, cancelId);
return(true);
}
private async Task ProcessForwardMessageAsync(IRoutingSlip routingSlip)
{
if (routingSlip.IsCompleted == false)
{
if (await routingSlip.ProcessNextAsync())
await this._send(routingSlip.ProgressUri, routingSlip);
else
await this._send(routingSlip.CompensationUri, routingSlip);
}
}
private async Task ProcessBackwardMessageAsync(IRoutingSlip routingSlip)
{
if (routingSlip.IsInProgress)
{
if (await routingSlip.UndoLastAsync())
await this._send(routingSlip.CompensationUri, routingSlip);
else
await this._send(routingSlip.ProgressUri, routingSlip);
}
}
private async Task SendAsync(Uri uri, IRoutingSlip routingSlip)
{
foreach (IHostProcess process in this._processHosts)
{
if (await process.AcceptMessageAsync(uri, routingSlip))
{
break;
}
}
}
public override async Task <bool> CompensateAsync(WorkLog item, IRoutingSlip routingSlip)
{
await Task.Delay(TimeSpan.FromSeconds(3));
Guid fileId = item.Result.WorkId;
Guid cancelId = Guid.NewGuid();
Console.WriteLine("Compensate move file {0} - confirmation Id: {1}.", fileId, cancelId);
return(true);
}
public override async Task <bool> CompensateAsync(WorkLog item, IRoutingSlip routingSlip)
{
return(await Task.Run(() =>
{
Guid fileId = item.Result.WorkId;
Guid cancelId = Guid.NewGuid();
Console.WriteLine("Compensate send file {0} - confirmation Id: {1}.", fileId, cancelId);
return true;
}));
}
public async Task<bool> AcceptMessageAsync(Uri uri, IRoutingSlip routingSlip)
{
TProcess process = new TProcess();
if (process.WorkItemEndpointAddress.Equals(uri))
{
await this.ProcessForwardMessageAsync(routingSlip);
return true;
}
if (!process.CompensationEndpointAddress.Equals(uri)) return false;
await this.ProcessBackwardMessageAsync(routingSlip);
return true;
}
public abstract Task <bool> CompensateAsync(WorkLog item, IRoutingSlip routingSlip);
public Builder()
{
this._routingSlip = new RoutingSlip.RoutingSlip();
this._processHosts = new List <IHostProcess>();
}
