/// <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));
}
public override void Freeze(IProcessRuntime runtime, IPropertySetCollection collection)
{
using (var ctx = new ProcessDbContext())
{
ProcessRuntimePersistence persistence = ctx.Process.Find(runtime.Id);
if (persistence == null)
{
throw new ArgumentException("Invalid Workflow Id:" + runtime.Id.ToString());
}
_propertySepPersistenceService.SaveCollection(ctx, runtime.Id, collection);
persistence.Status = (int)runtime.State;
persistence.LastUpdated = DateTime.UtcNow;
persistence.SuspendedStepId = runtime.SuspendedInStep?.StepId;
ctx.SaveChanges();
}
}
protected virtual void OnExecute(IProcessRuntime runtime, Tuple <ExecutionResult, StepRuntime> result, IProcessRuntimeEnvironment env)
{
using (var ctx = new ProcessDbContext())
{
ProcessRuntimePersistence persistence = ctx.Process.Find(runtime.Id);
if (persistence == null)
{
throw new ArgumentException("Invalid Workflow Id:" + runtime.Id);
}
_propertySepPersistenceService.SaveCollection(ctx, runtime.Id, env.PropertySet);
persistence.Status = (int)runtime.State;
persistence.LastUpdated = DateTime.UtcNow;
persistence.SuspendedStepId = runtime.SuspendedInStep?.StepId;
persistence.NextStepId = runtime.State == ProcessStateEnum.Completed? null: result.Item2?.StepId;
ctx.SaveChanges();
}
}
