private IEnumerable <CommandExecutionStatus> ExecuteMassCommand(IMassCommand arg)
{
var states = new MultiThreadedPersistance <CommandExecutionStatus>();
var handles = new List <WaitHandle>();
foreach (var instanceId in arg.InstanceIds)
{
var handle = new AutoResetEvent(false);
handles.Add(handle);
var state = new MultipleExportState
{
InstanceId = instanceId,
States = states,
WaitHandle = handle,
AuthorizationService = AuthorizationService,
Identity = AuthenticationService.GetCurrentIdentity(),
Comment = arg.Comment,
CommandToExecute = arg.Command,
StateToSet =
(arg is IContainsStateName) ? (arg as IContainsStateName).StateNameToSet : null
};
ThreadPool.QueueUserWorkItem(RaiseCommandTask, state);
}
WaitHandle.WaitAll(handles.ToArray(), new TimeSpan(0, 0, 10, 0));
return(states.Items);
}
private void AddErrorResult(MultipleExportState multipleExportState)
{
multipleExportState.States.AddItem(new CommandExecutionStatus()
{
InstanceId = multipleExportState.InstanceId,
Result = CommandExecutionResult.Error
});
}
private void RaiseAction(MultipleExportState multipleExportState, Action <Guid, ServiceIdentity> action)
{
FireCommandWithWaiting(multipleExportState.InstanceId, delegate(Guid arg1)
{
using (var sync = GetWorkflowSync(arg1))
{
action.Invoke(arg1, multipleExportState.Identity);
sync.WaitHandle.WaitOne(60000);
}
}, arg2 => arg2);
}
private void RaiseSetStateAction(MultipleExportState multipleExportState)
{
FireCommandWithWaiting(multipleExportState.InstanceId, delegate(Guid arg1)
{
using (var sync = GetWorkflowSync(arg1))
{
WorkflowInitService.SetWorkflowState(arg1, multipleExportState.Identity, multipleExportState.StateToSet, multipleExportState.Comment);
sync.WaitHandle.WaitOne(60000);
}
}, arg2 => arg2);
}
private void TryRaiseCommand(MultipleExportState multipleExportState)
{
if (multipleExportState.CommandToExecute != WorkflowCommandType.SetWorkflowState &&
!multipleExportState.AuthorizationService.IsAllowedToExecuteCommand(multipleExportState.InstanceId,
multipleExportState.CommandToExecute))
{
AddErrorResult(multipleExportState);
}
else
{
try
{
switch (multipleExportState.CommandToExecute)
{
case WorkflowCommandType.Sighting:
RaiseAction(multipleExportState, WorkflowInitService.RaiseSighting);
break;
case WorkflowCommandType.StartProcessing:
WorkflowInitService.CreateWorkflowIfNotExists(multipleExportState.InstanceId);
using (var sync = GetWorkflowSync(multipleExportState.InstanceId))
{
sync.WaitHandle.WaitOne(4000);
}
RaiseAction(multipleExportState, WorkflowInitService.RaiseStartProcessing);
break;
case WorkflowCommandType.Denial:
RaiseActionWithComment(multipleExportState, WorkflowInitService.RaiseDenial);
break;
case WorkflowCommandType.Rollback:
RaiseActionWithComment(multipleExportState, WorkflowInitService.RaiseRollback);
break;
case WorkflowCommandType.SetWorkflowState:
RaiseSetStateAction(multipleExportState);
break;
default:
throw new ActionNotSupportedException();
}
}
catch (Exception ex)
{
AddErrorResult(multipleExportState);
throw;
}
AddOkResult(multipleExportState);
}
}
