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Code Issues Actions 4 Packages Projects Releases Wiki Activity

Fixing random exceptions in Orchard.Workflows

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--HG--
branch : 1.x
This commit is contained in:
Sebastien Ros
2013-02-20 12:19:00 -08:00
parent ab9d9d2d79
commit 9d081860cb
5 changed files with 97 additions and 90 deletions
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6
src/Orchard.Web/Modules/Orchard.Workflows/Models/WorkflowContext.cs
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@@ -43,7 +43,11 @@ namespace Orchard.Workflows.Models {
}
public object GetState(string key) {
return GetState<object>(key);
if (State == null) {
return null;
}
return State[key];
}
public void SetStateFor<T>(ActivityRecord record, string key, T value) {

3
src/Orchard.Web/Modules/Orchard.Workflows/ResourceManifest.cs
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@@ -20,7 +20,8 @@ namespace Orchard.Workflows {
builder.Add().DefineStyle("WorkflowsActivities-Timer").SetUrl("workflows-activity-timer.css").SetDependencies("WorkflowsAdmin");
builder.Add().DefineStyle("WorkflowsActivities-UserTask").SetUrl("workflows-activity-usertask.css").SetDependencies("WorkflowsAdmin");
builder.Add().DefineStyle("WorkflowsActivities").SetDependencies(
builder.Add().DefineStyle("WorkflowsActivities").SetUrl("workflows-activity.css")
.SetDependencies(
"WorkflowsActivities-Branch",
"WorkflowsActivities-ContentCreate",
"WorkflowsActivities-ContentPublished",

98
src/Orchard.Web/Modules/Orchard.Workflows/Services/WorkflowManager.cs
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@@ -17,7 +17,6 @@ namespace Orchard.Workflows.Services {
private readonly IRepository<ActivityRecord> _activityRepository;
private readonly IRepository<WorkflowRecord> _workflowRepository;
private readonly IRepository<AwaitingActivityRecord> _awaitingActivityRepository;
private readonly IRepository<WorkflowDefinitionRecord> _workflowDefinitionRepository;
private readonly ITokenizer _tokenizer;
public WorkflowManager(
@@ -25,13 +24,11 @@ namespace Orchard.Workflows.Services {
IRepository<ActivityRecord> activityRepository,
IRepository<WorkflowRecord> workflowRepository,
IRepository<AwaitingActivityRecord> awaitingActivityRepository,
IRepository<WorkflowDefinitionRecord> workflowDefinitionRepository,
ITokenizer tokenizer) {
_activitiesManager = activitiesManager;
_activityRepository = activityRepository;
_workflowRepository = workflowRepository;
_awaitingActivityRepository = awaitingActivityRepository;
_workflowDefinitionRepository = workflowDefinitionRepository;
_tokenizer = tokenizer;
Logger = NullLogger.Instance;
@@ -75,41 +72,6 @@ namespace Orchard.Workflows.Services {
return;
}
var workflowContext = new WorkflowContext {
Content = target,
Tokens = tokens
};
// evaluate processing condition
awaitingActivities = awaitingActivities.Where(a => {
var activityContext = CreateActivityContext(a.ActivityRecord, tokens);
// check the condition
try {
return activity.CanExecute(workflowContext, activityContext);
}
catch (Exception e) {
Logger.Error("Error while evaluating an activity condition on {0}: {1}", name, e.ToString());
return false;
}
}).ToList();
// evaluate processing condition
startedWorkflows = startedWorkflows.Where(a => {
var activityContext = CreateActivityContext(a, tokens);
// check the condition
try {
return activity.CanExecute(workflowContext, activityContext);
}
catch (Exception e) {
Logger.Error("Error while evaluating an activity condition on {0}: {1}", name, e.ToString());
return false;
}
}).ToList();
// if no activity record is matching the event, do nothing
if (!startedWorkflows.Any() && !awaitingActivities.Any()) {
return;
@@ -117,11 +79,57 @@ namespace Orchard.Workflows.Services {
// resume halted workflows
foreach (var awaitingActivityRecord in awaitingActivities) {
var workflowContext = new WorkflowContext {
Content = target,
Tokens = tokens,
Record = awaitingActivityRecord.WorkflowRecord
};
var activityContext = CreateActivityContext(awaitingActivityRecord.ActivityRecord, tokens);
// check the condition
try {
if (!activity.CanExecute(workflowContext, activityContext)) {
continue;
}
}
catch (Exception e) {
Logger.Error("Error while evaluating an activity condition on {0}: {1}", name, e.ToString());
continue;
}
ResumeWorkflow(awaitingActivityRecord, workflowContext, tokens);
}
// start new workflows
foreach (var activityRecord in startedWorkflows) {
var workflowContext = new WorkflowContext {
Content = target,
Tokens = tokens,
};
var workflowRecord = new WorkflowRecord {
WorkflowDefinitionRecord = activityRecord.WorkflowDefinitionRecord,
State = "{}",
ContentItemRecord = workflowContext.Content.ContentItem.Record
};
workflowContext.Record = workflowRecord;
var activityContext = CreateActivityContext(activityRecord, tokens);
// check the condition
try {
if(!activity.CanExecute(workflowContext, activityContext)) {
continue;
}
}
catch (Exception e) {
Logger.Error("Error while evaluating an activity condition on {0}: {1}", name, e.ToString());
continue;
}
StartWorkflow(workflowContext, activityRecord, tokens);
}
}
@@ -136,15 +144,6 @@ namespace Orchard.Workflows.Services {
private void StartWorkflow(WorkflowContext workflowContext, ActivityRecord activityRecord, IDictionary<string, object> tokens) {
// workflow halted, create a workflow state
var workflow = new WorkflowRecord {
WorkflowDefinitionRecord = activityRecord.WorkflowDefinitionRecord,
State = "{}",
ContentItemRecord = workflowContext.Content.ContentItem.Record
};
workflowContext.Record = workflow;
// signal every activity that the workflow is about to start
var cancellationToken = new CancellationToken();
InvokeActivities(activity => activity.OnWorkflowStarting(workflowContext, cancellationToken));
@@ -165,11 +164,12 @@ namespace Orchard.Workflows.Services {
}
else {
// workflow halted, create a workflow state
_workflowRepository.Create(workflow);
_workflowRepository.Create(workflowContext.Record);
foreach (var blocking in blockedOn) {
workflow.AwaitingActivities.Add(new AwaitingActivityRecord {
workflowContext.Record.AwaitingActivities.Add(new AwaitingActivityRecord {
ActivityRecord = blocking,
WorkflowRecord = workflowContext.Record
});
}
}

1
src/Orchard.Web/Modules/Orchard.Workflows/Styles/workflows-activity.css Normal file
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@@ -0,0 +1 @@


3
src/Orchard.Web/Modules/Orchard.Workflows/Views/Admin/List.cshtml
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@@ -2,6 +2,7 @@
@using Orchard.Workflows.Models
<h1>@Html.TitleForPage(T("Running workflows").ToString()) </h1>
@using (Html.BeginFormAntiForgeryPost()) {
<fieldset>
<table class="items">
<thead>
@@ -39,4 +40,4 @@
}
</table>
</fieldset>
}