public void Update(GoalId Id, Action<GoalAggreagate> execute)
{
while (true)
{
EventStream eventStream = _eventStore.LoadEventStream(Id);
GoalAggreagate goal = new GoalAggreagate(eventStream.Events);
execute(goal);
try
{
_eventStore.AppendToStream(Id, eventStream.Version, goal.Changes);
return;
}
catch (OptimisticConcurrencyException ex)
{
foreach (var goalEvent in goal.Changes)
{
foreach (var actualEvent in ex.ActualEvents)
{
if (ConflictsWith(goalEvent, actualEvent))
{
var msg = string.Format("Conflict between {0} and {1}",
goalEvent, actualEvent);
throw new RealConcurrencyException(msg, ex);
}
}
}
_eventStore.AppendToStream(Id, ex.ActualVersion, goal.Changes);
}
}
}
public void Update(GoalId Id, Action <GoalAggreagate> execute)
{
while (true)
{
EventStream eventStream = _eventStore.LoadEventStream(Id);
GoalAggreagate goal = new GoalAggreagate(eventStream.Events);
execute(goal);
try
{
_eventStore.AppendToStream(Id, eventStream.Version, goal.Changes);
return;
}
catch (OptimisticConcurrencyException ex)
{
foreach (var goalEvent in goal.Changes)
{
foreach (var actualEvent in ex.ActualEvents)
{
if (ConflictsWith(goalEvent, actualEvent))
{
var msg = string.Format("Conflict between {0} and {1}",
goalEvent, actualEvent);
throw new RealConcurrencyException(msg, ex);
}
}
}
_eventStore.AppendToStream(Id, ex.ActualVersion, goal.Changes);
}
}
}
