/// <summary>
/// Set the next Step in the process
/// </summary>
/// <param name="nextStep">Nest Step in the process</param>
public void SetSuccessor(StepHandler nextStep)
{
this.nextStep = nextStep;
}
/// <summary>
/// Build process step chaing base on process type configuration
/// </summary>
/// <param name="processTypeId"></param>
/// <returns></returns>
private List <StepHandler> BuildChain(string processTypeId)
{
StepHandler prevStep = null;
List <StepHandler> auxSteps = new List <StepHandler>();
string jsonTxt;
try
{
jsonTxt = ReadConfigOrDefault(processTypeId + ".ChainConfig");
if (string.IsNullOrEmpty(jsonTxt))
{
throw new Exception(processTypeId + " Not Found, check ButlerConfiguration Table");
}
}
catch (Exception X)
{
throw new Exception("[Error at BuildChain] Process " + X.Message);
}
//Sensible config manually
List <stepTypeInfo> StepList = Newtonsoft.Json.JsonConvert.DeserializeObject <List <stepTypeInfo> >(jsonTxt);
foreach (stepTypeInfo item in StepList)
{
//Build the chain
//1. is the Assembly in bin?
if (!File.Exists(item.AssemblyName))
{
//try to download from storage
try
{
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(myProcessConfigConn);
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
CloudBlobContainer container = blobClient.GetContainerReference("mediabutlerbin");
//TODO: fix this is DLL exis and is it on use
foreach (IListBlobItem dll in container.ListBlobs(null, false))
{
Uri myUri = dll.Uri;
int seg = myUri.Segments.Length - 1;
string name = myUri.Segments[seg];
CloudBlockBlob blockBlob = container.GetBlockBlobReference(name);
using (var fileStream = System.IO.File.OpenWrite(@".\" + name))
{
blockBlob.DownloadToStream(fileStream);
}
}
if (!File.Exists(item.AssemblyName))
{
throw new Exception(item.AssemblyName + " don't exist");
}
}
catch (Exception X)
{
string txt = string.Format("[{0}] Error BuildChain Assembly {1} error: {2}", this.GetType().FullName, item.AssemblyName, X.Message);
Trace.TraceError(txt);
throw X;
}
}
StepHandler obj = (StepHandler)Activator.CreateComInstanceFrom(item.AssemblyName, item.TypeName).Unwrap();
if ((item.ConfigKey != null) && (item.ConfigKey != ""))
{
//LOAD STRING CONFIGURATION FOR CONFIG TABLE
obj.StepConfiguration = this.ReadConfigOrDefault(item.ConfigKey + ".StepConfig");
}
auxSteps.Add(obj);
if (prevStep != null)
{
prevStep.SetSuccessor(obj);
}
prevStep = obj;
}
return(auxSteps);
}
