/// <summary>
/// Cancel the process
/// </summary>
/// <param name="processRuntimeId"></param>
/// <param name="reason"></param>
/// <returns></returns>
public override bool Cancel(Guid processRuntimeId, string reason)
{
var filter = Builders <MongoProcessRuntimePersistence> .Filter.Eq(r => r.Id, processRuntimeId);
var updater = Builders <MongoProcessRuntimePersistence> .Update
.Set(p => p.Status, (int)ProcessStateEnum.Cancelled)
.Set(p => p.NextStepId, string.Empty)
.Set(p => p.SuspendedStepId, string.Empty)
.CurrentDate(p => p.LastUpdated);
MongoProcessRuntimePersistence item = _collection.FindOneAndUpdate(filter, updater);
return(item != null);
}
/// <summary>
/// Un-freeze the runtime process
/// </summary>
/// <param name="processRuntimeId"></param>
/// <param name="runtime"></param>
/// <param name="nextStep"></param>
/// <param name="collection"></param>
/// <returns></returns>
public override bool TryUnfreeze(Guid processRuntimeId, out IProcessRuntime runtime, out StepRuntime nextStep,
out IPropertySetCollection collection)
{
runtime = null;
nextStep = null;
collection = null;
var filter = Builders <MongoProcessRuntimePersistence> .Filter.Eq(r => r.Id, processRuntimeId);
MongoProcessRuntimePersistence rtp = _collection.Find(filter).SingleOrDefault();
if (rtp == null)
{
return(false);
}
var defFilter = Builders <ProcessDefinitionPersistence> .Filter.And(
Builders <ProcessDefinitionPersistence> .Filter.Eq(r => r.FlowId, rtp.DefinitionFlowId),
Builders <ProcessDefinitionPersistence> .Filter.Eq(r => r.Md5, rtp.DefinitionMd5)
);
ProcessDefinition definition;
ProcessDefStatusEnum status;
AccountData[] accounts;
if (!_processDefinitionService.TryFind(defFilter, out definition, out status, out accounts))
{
return(false);
}
collection = rtp.PropertyCollection.Deserialize();
if (!string.IsNullOrEmpty(rtp.NextStepId))
{
StepDefinition stepDef = definition.Steps.SingleOrDefault(s => s.StepId == rtp.NextStepId);
StepDefinitionId sid = new StepDefinitionId(stepDef.Id, stepDef.StepId);
LinkDefinition[] links = definition.Links.Where(l => l.Source == sid).ToArray();
nextStep = new StepRuntime(stepDef, links.Select(l => new LinkRuntime(l)).ToArray());
}
runtime = Create(rtp.Id, definition, rtp.SuspendedStepId, (ProcessStateEnum)rtp.Status);
return(true);
}
/// <summary>
/// Create persistent element
/// </summary>
/// <param name="runtime"></param>
/// <param name="collection"></param>
/// <param name="errors"></param>
/// <param name="processDefinitionDigest"></param>
/// <param name="nextStepId"></param>
/// <returns></returns>
private MongoProcessRuntimePersistence CreateMongoProcessRuntimePersistence(
IProcessRuntime runtime,
IPropertySetCollection collection,
string nextStepId,
List <string> errors,
ProcessDefinitionDigest processDefinitionDigest)
{
var persistedCollection = CreatePersistentPropertyCollection(runtime, collection);
MongoProcessRuntimePersistence rtp = new MongoProcessRuntimePersistence
{
Id = runtime.Id,
SuspendedStepId = runtime.LastExecutedStep?.StepId,
Status = (int)runtime.State,
LastUpdated = DateTime.UtcNow,
PropertyCollection = persistedCollection,
DefinitionFlowId = processDefinitionDigest.FlowId,
DefinitionMd5 = processDefinitionDigest.Md5,
NextStepId = null,
Errors = errors
};
return(rtp);
}
/// <summary>
/// Retrieve Process Runtime summary
/// </summary>
/// <param name="processRuntimeId"></param>
/// <param name="summary"></param>
/// <returns></returns>
public override bool TryGetProcessSummary(Guid processRuntimeId, out ProcessRuntimeSummary summary)
{
summary = null;
var filter = Builders <MongoProcessRuntimePersistence> .Filter.Eq(r => r.Id, processRuntimeId);
MongoProcessRuntimePersistence rtp = _collection.Find(filter).SingleOrDefault();
if (rtp == null)
{
return(false);
}
summary = new ProcessRuntimeSummary
{
Id = processRuntimeId,
Errors = rtp.Errors == null?new string[] {}:rtp.Errors.ToArray(),
Status = (ProcessStateEnum)rtp.Status,
LastUpdated = rtp.LastUpdated,
NextStepId = rtp.NextStepId,
SuspendedInStep = rtp.SuspendedStepId,
FlowDefinitionId = rtp.DefinitionFlowId,
FlowDefinitionMd5 = rtp.DefinitionMd5
};
return(true);
}
