示例#1
0
        public static void SetAfterUpdateDelegate(Type type, string member, AfterUpdateDelegate afterUpdateDelegate)
        {
            PropertyComparer propertyComparer =
                mPropertyComparers[type];

            propertyComparer.SetAfterUpdateDelegateForMember(member, afterUpdateDelegate);
        }
        public Task UpdateAtomicAsync(Func <Task <TDocument> > updateAsync, Func <TDocument, Task> afterUpdateAsync = null)
        {
            if (updateAsync == null)
            {
                return(Task.CompletedTask);
            }

            _updateDelegateAsync += () => updateAsync();

            if (afterUpdateAsync != null)
            {
                _afterUpdateDelegateAsync += document => afterUpdateAsync(document);
            }

            DocumentStore.AfterCommitSuccess <TDocument>(async() =>
            {
                (var locker, var locked) = await _distributedLock.TryAcquireLockAsync(
                    _options.CacheKey + "_LOCK",
                    TimeSpan.FromMilliseconds(_options.LockTimeout),
                    TimeSpan.FromMilliseconds(_options.LockExpiration));

                if (!locked)
                {
                    return;
                }

                await using var acquiredLock = locker;

                TDocument document = null;
                foreach (var d in _updateDelegateAsync.GetInvocationList())
                {
                    document = await((UpdateDelegate)d)();
                }

                document.Identifier ??= IdGenerator.GenerateId();

                await SetInternalAsync(document);

                if (_afterUpdateDelegateAsync != null)
                {
                    foreach (var d in _afterUpdateDelegateAsync.GetInvocationList())
                    {
                        await((AfterUpdateDelegate)d)(document);
                    }
                }
            });

            return(Task.CompletedTask);
        }
示例#3
0
        public Task UpdateAtomicAsync(Func <Task <TDocument> > updateAsync, Func <TDocument, Task> afterUpdateAsync = null,
                                      TimeSpan?lockAcquireTimeout = null, TimeSpan?lockExpirationTime = null)
        {
            if (updateAsync == null)
            {
                return(Task.CompletedTask);
            }

            _updateDelegateAsync += () => updateAsync();

            if (afterUpdateAsync != null)
            {
                _afterUpdateDelegateAsync += document => afterUpdateAsync(document);
            }

            _documentStore.AfterCommitSuccess <TDocument>(async() =>
            {
                var timeout    = lockAcquireTimeout ?? DefaultLockTimeout;
                var expiration = lockExpirationTime ?? DefaultLockExpiration;

                (var locker, var locked) = await _distributedLock.TryAcquireLockAsync(_lockKey, timeout, expiration);
                if (!locked)
                {
                    return;
                }

                await using var acquiredLock = locker;

                TDocument document = null;
                foreach (var d in _updateDelegateAsync.GetInvocationList())
                {
                    document = await((UpdateDelegate)d)();
                }

                document.Identifier ??= IdGenerator.GenerateId();

                await SetInternalAsync(document);

                if (_afterUpdateDelegateAsync != null)
                {
                    foreach (var d in _afterUpdateDelegateAsync.GetInvocationList())
                    {
                        await((AfterUpdateDelegate)d)(document);
                    }
                }
            });

            return(Task.CompletedTask);
        }
示例#4
0
 public void SetAfterUpdateDelegateForMember(string memberName, AfterUpdateDelegate afterUpdateDelegate)
 {
     mAfterUpdateDelegates.Add(memberName, afterUpdateDelegate);
 }
 public void SetAfterUpdateDelegateForMember(string memberName, AfterUpdateDelegate afterUpdateDelegate)
 {
     mAfterUpdateDelegates.Add(memberName, afterUpdateDelegate);
 }
示例#6
0
        public static void EndOfFrameActivity()
        {
            UpdateListDisplayWindow();

            #region Perform Undos if pushed Control+Z

            if (InputManager.Keyboard.ControlZPushed() &&
                mInstructions.Count != 0)
            {
                InstructionList instructionList = mInstructions[mInstructions.Count - 1];

                for (int i = 0; i < instructionList.Count; i++)
                {
                    Instruction instruction = instructionList[i];

                    // See if the instruction is one that has an associated delegate
                    if (instruction is GenericInstruction)
                    {
                        GenericInstruction asGenericInstruction = instruction as GenericInstruction;

                        Type targetType = asGenericInstruction.Target.GetType();

                        PropertyComparer propertyComparerForType = null;

                        if (mPropertyComparers.ContainsKey(targetType))
                        {
                            // There is a PropertyComparer for this exact type
                            propertyComparerForType = mPropertyComparers[targetType];
                        }
                        else
                        {
                            // There isn't a PropertyComparer for this exact type, so climb up the inheritance tree
                            foreach (PropertyComparer pc in mPropertyComparers.Values)
                            {
                                if (pc.GenericType.IsAssignableFrom(targetType))
                                {
                                    propertyComparerForType = pc;
                                    break;
                                }
                            }
                        }

                        // If there's no PropertyComparer, then the app might be a UI-only app.  If that's
                        // the case, we don't want to run afterUpdateDelegates
                        if (propertyComparerForType != null)
                        {
                            AfterUpdateDelegate afterUpdateDelegate =
                                propertyComparerForType.GetAfterUpdateDelegateForMember(asGenericInstruction.Member);

                            if (afterUpdateDelegate != null)
                            {
                                afterUpdateDelegate(asGenericInstruction.Target);
                            }
                        }
                    }

                    instruction.Execute();
                }
                mInstructions.RemoveAt(mInstructions.Count - 1);
            }

            #endregion

            // Vic says that this will break if undos are added through this and through
            // the property comparers in the same frame.
            if (mUndosAddedThisFrame.Count != 0)
            {
                mInstructions.Add(mUndosAddedThisFrame);

                mUndosAddedThisFrame = new InstructionList();
            }
        }