void Postdicate(ProcessContext processContext, ITransaction trans = null)
{
// 已处理，且状态有变化的才能执行结束检查
if (this.Status != ActivityStates.Dealed || !this.statesChanged || results == null)
{
return;
}
if (!this.Action.Postdicate(this, processContext))
{
return;
}
this.Status = ActivityStates.Done;
this.Entity.DoneTime = DateTime.Now;
if (this.Graph.Exports != null && this.Graph.Exports.Count > 0)
{
var parent = this.Parent as Activity;
var parentStates = parent.States as JObject;
foreach (var pair in this.Graph.Exports)
{
var value = JSON.GetPathValue(this.states, pair.Key);
JSON.SetPathValue(parentStates, pair.Value, value);
parent.statesChanged = true;
}
parent.SaveChanges(trans);
this.Todo(parent, null);
}
this.SaveChanges(trans);
}
void Postdicate(IActivity activity, object results, Context context)
{
// 已处理，且状态有变化的才能执行结束检查
if (this.Status != ActivityStates.Dealed || !this.statesChanged || results == null)
{
return;
}
if (!activity.Postdicate(results, this, context))
{
return;
}
this.Status = ActivityStates.Done;
if (this.Graph.Exports != null && this.Graph.Exports.Count > 0)
{
var parent = this.Parent;
var parentStates = parent.States as JObject;
foreach (var pair in this.Graph.Exports)
{
var value = JSON.GetPathValue(this.states, pair.Key);
JSON.SetPathValue(parentStates, pair.Value, value);
parent.statesChanged = true;
}
parent.SaveChanges();
this.DelayExecute((context) => {
parent.Deal(null, context.Dealer, context);
});
}
this.SaveChanges();
}
public virtual NavigateResults Navigate(IActivity activity, IAssociation assoc, object executeResults, ProcessContext processContext)
{
//未指定Key,看是否已经完成
if (string.IsNullOrEmpty(assoc.Key))
{
// 未完成，不能进行下一步
if (activity.Status != ActivityStates.Done)
{
return(null);
}
}
// 看是状态是否满足
else
{
if (activity.State <string>(assoc.Key) != assoc.Value)
{
return(null);
}
}
var nextDealerIdPath = assoc.NextDealerIdPath;
if (string.IsNullOrEmpty(nextDealerIdPath))
{
nextDealerIdPath = processContext.Engine.DefaultNextDealerIdPath;
}
var nextDealerNamePath = assoc.NextDealerNamePath;
if (string.IsNullOrEmpty(nextDealerNamePath))
{
nextDealerNamePath = processContext.Engine.DefaultNextDealerNamePath;
}
var nextDealerId = activity.State <string>(nextDealerIdPath);
if (string.IsNullOrEmpty(nextDealerId))
{
throw new Exception(string.Format("活动对象{0}在执行导航{1}时，已经通过，但未能找到下一处理人", activity.Id, assoc.Name));
}
var nextDealer = new User(nextDealerId, activity.State <string>(nextDealerNamePath));
object nextInputs;
if (assoc.NextInputsMaps != null)
{
var jObj = new JObject();
foreach (var pair in assoc.NextInputsMaps)
{
var value = activity.State(pair.Key);
JSON.SetPathValue(jObj, pair.Value, value);
}
nextInputs = jObj;
}
else
{
nextInputs = executeResults;
}
return(new NavigateResults(nextDealer, nextInputs));
}
public Activity State(string key, JToken value)
{
if (this.states == null)
{
if (!string.IsNullOrWhiteSpace(this.Entity.States))
{
this.states = JObject.Parse(this.Entity.States);
}
if (this.states == null)
{
this.states = new JObject();
}
}
JSON.SetPathValue(this.states, key, value);
this.statesChanged = true;
return(this);
}
public Activity(Engine engine, Activity parent, INode node, string version, object inputs, IUser creator, IUser owner, ProcessContext processContext)
{
this.Engine = engine;
this.graph = node;
this.parent = parent;
#region init entity
var entity = new ActivityEntity()
{
Id = Guid.NewGuid(),
NodeName = node.Name,
NodePath = parent == null ? node.Name : parent.NodePath + "/" + node.Name,
Status = ActivityStates.Creating,
Version = version ?? parent?.Version,
Domain = engine.Name,
ActionType = node.InstanceType ?? engine.DefaultActionType,
Graph = JSON.Stringify(node),
HasChildren = node.Nodes != null && node.Nodes.Count > 0,
Inputs = JSON.Stringify(inputs),
CreateTime = DateTime.Now,
CreatorId = creator.Id,
CreatorName = creator.Name
};
this.entity = entity;
this.Owner = owner;
#endregion
if (parent != null)
{
this.FlowRepository = parent.FlowRepository;
this.AddChild(this);
}
else
{
this.FlowRepository = engine.ResolveFlowRepository(processContext);
}
#region init states
var states = new JObject();
var metas = (node as Node).Metas;
if (metas != null)
{
foreach (var pair in metas)
{
states.Add(pair.Key, pair.Value.DeepClone());
}
}
if (parent != null && node.Imports != null)
{
var pStates = parent.States as JObject;
foreach (var pair in node.Imports)
{
var value = JSON.GetPathValue(pStates, pair.Value);
JSON.SetPathValue(states, pair.Key, value);
}
}
this.entity.States = states.ToString();
this.states = states;
#endregion
}
public Action(Engine engine, Action parent, Node node, string version, object inputs, IUser creator, IUser dealer = null)
{
this.Engine = engine;
this.graph = node;
this.parent = parent;
#region init entity
var entity = new ActivityEntity()
{
Id = Guid.NewGuid(),
NodeName = node.Name,
NodePath = parent == null?node.Name:parent.NodePath + "/" + node.Name,
Status = ActivityStates.Created,
Version = version ?? parent?.Version,
Domain = engine.Name,
ActivityType = node.InstanceType ?? engine.DefaultActivityInstanceType,
Graph = JSON.Stringify(node),
HasChildren = node.Nodes != null && node.Nodes.Count > 0,
Inputs = JSON.Stringify(inputs),
CreateTime = DateTime.Now,
CreatorId = creator.Id,
CreatorName = creator.Name
};
this.entity = entity;
if (dealer != null)
{
this.dealer = dealer;
entity.DealerId = dealer.Id;
entity.DealerName = dealer.Name;
}
#endregion
#region init states
var states = new JObject();
if (node.Meta != null)
{
foreach (var pair in node.Meta)
{
states.Add(pair.Key, pair.Value.DeepClone());
}
}
if (parent != null && node.Imports != null)
{
var pStates = parent.States as JObject;
foreach (var pair in node.Imports)
{
var value = JSON.GetPathValue(pStates, pair.Value);
JSON.SetPathValue(states, pair.Key, value);
}
}
if (inputs != null)
{
var inputObj = JObject.FromObject(inputs);
foreach (var pair in inputObj)
{
states[pair.Key] = pair.Value;
}
}
this.entity.States = states.ToString();
this.states = states;
#endregion
}
