Esempio n. 1
0
        public IServiceResult GetORIsOfService(IServiceDescription serviceDescription, ExecuteServiceDelegate executeServiceDelegate)
        {
            if (!UseResultCache)
            {
                return(executeServiceDelegate.Invoke(serviceDescription));
            }
            ServiceResultCacheKey key = BuildKey(serviceDescription);
            IServiceResult        serviceResult;

            lock (serviceCallToPendingResult)
            {
                serviceResult = serviceCallToResult.Get(key);
                if (serviceResult != null)
                {
                    return(CreateServiceResult(serviceResult));
                }
                while (serviceCallToPendingResult.Contains(key))
                {
                    Monitor.Wait(serviceCallToPendingResult);
                }
                serviceResult = serviceCallToResult.Get(key);
                if (serviceResult != null)
                {
                    return(CreateServiceResult(serviceResult));
                }
                serviceCallToPendingResult.Add(key);
            }
            bool success = false;

            try
            {
                if (SecurityActivation != null)
                {
                    serviceResult = SecurityActivation.ExecuteWithoutFiltering(new IResultingBackgroundWorkerDelegate <IServiceResult>(delegate()
                    {
                        return(executeServiceDelegate.Invoke(serviceDescription));
                    }));
                }
                else
                {
                    serviceResult = executeServiceDelegate.Invoke(serviceDescription);
                }
                success = true;
            }
            finally
            {
                lock (serviceCallToPendingResult)
                {
                    serviceCallToPendingResult.Remove(key);

                    if (success)
                    {
                        serviceCallToResult.Put(key, serviceResult);
                    }
                    Monitor.PulseAll(serviceCallToPendingResult);
                }
            }
            return(CreateServiceResult(serviceResult));
        }
Esempio n. 2
0
        public IList <IObjRelationResult> GetObjRelations(IList <IObjRelation> objRels, ICacheIntern targetCache, CacheDirective cacheDirective)
        {
            CheckNotDisposed();
            IEventQueue eventQueue = EventQueue;

            if (eventQueue != null)
            {
                eventQueue.Pause(this);
            }
            try
            {
                bool oldCacheModificationValue = CacheModification.Active;
                bool acquireSuccess            = AcquireHardRefTLIfNotAlready(objRels.Count);
                CacheModification.Active = true;
                try
                {
                    if (SecurityActive && ((targetCache == null && Privileged) || (targetCache != null && targetCache.Privileged) &&                 //
                                           SecurityActivation != null && SecurityActivation.FilterActivated))
                    {
                        return(SecurityActivation.ExecuteWithoutFiltering(delegate()
                        {
                            return Parent.GetObjRelations(objRels, targetCache, cacheDirective);
                        }));
                    }
                    else
                    {
                        return(Parent.GetObjRelations(objRels, targetCache, cacheDirective));
                    }
                }
                finally
                {
                    CacheModification.Active = oldCacheModificationValue;
                    ClearHardRefs(acquireSuccess);
                }
            }
            finally
            {
                if (eventQueue != null)
                {
                    eventQueue.Resume(this);
                }
            }
        }