protected virtual PersistentPropertyCollection UpdateOrCreatePropertyCollection(Guid collectionId, ProcessDbContext ctx, List <PersistentSchemaElement> schemaElements,
List <PersistentPropertyElement> dataElements)
{
PersistentPropertyCollection persistancePropertyCollection = ctx.PropertySet.Find(collectionId);
if (persistancePropertyCollection == null)
{
ctx.PropertySet.Add(persistancePropertyCollection = new PersistentPropertyCollection
{
Id = collectionId,
Schemas = schemaElements,
Elements = dataElements
});
}
else
{
schemaElements.ForEach(
s =>
persistancePropertyCollection.Schemas.FirstOrDefault(c => c.SchemaName == s.SchemaName)?
.CopyFrom(s));
dataElements.ForEach(
e => persistancePropertyCollection.Elements.FirstOrDefault(c => c.Name == e.Name)?.CopyFrom(e));
}
return(persistancePropertyCollection);
}
/// <summary>
/// Create and persist runtime processor
/// </summary>
/// <param name="pd"></param>
/// <param name="collection"></param>
/// <returns></returns>
/// <exception cref="NotImplementedException"></exception>
public override IProcessRuntime Create(ProcessDefinition pd, IPropertySetCollection collection)
{
IProcessRuntime runtime = base.Create(pd, collection);
Md5CalcVisitor visitor = new Md5CalcVisitor();
pd.Accept(visitor);
string md5 = visitor.CalculateMd5();
using (var ctx = new ProcessDbContext())
{
var pdList = ctx.ProcessDefinition
.Where(p => p.FlowId == pd.FlowId && p.Md5 == md5).ToList();
if (pdList.Count() != 1)
{
throw new ArgumentException($"Process definition is not persisted.");
}
// save or update the collection
PersistentPropertyCollection persistedCollection =
_propertySepPersistenceService.SaveCollection(ctx, runtime.Id, collection);
ProcessRuntimePersistence rtp = new ProcessRuntimePersistence
{
Id = runtime.Id,
SuspendedStepId = runtime.LastExecutedStep?.StepId,
Status = (int)runtime.State,
LastUpdated = DateTime.UtcNow,
PropertyCollection = persistedCollection,
ProcessDefinition = pdList.ElementAt(0)
};
ctx.Process.Add(rtp);
ctx.SaveChanges();
}
return(new ProcessRuntimePersistenProxy(runtime, this));
}
private static PersistentPropertyCollection CreatePersistentPropertyCollection(IProcessRuntime runtime,
IPropertySetCollection collection)
{
List <PersistentSchemaElement> schemaElements;
List <PersistentPropertyElement> dataElements;
collection.CreatePersistentSchemaElements(out schemaElements, out dataElements);
PersistentPropertyCollection persistedCollection = new PersistentPropertyCollection
{
Id = runtime.Id,
Version = 1,
Elements = dataElements,
Schemas = schemaElements
};
return(persistedCollection);
}
