private void HandleDelayedComputation(Computation computation, ITransformationContext context, OutputDelay delay)
        {
            var inCollection = Selector(computation);

            if (inCollection != null)
            {
                if (Persistor != null)
                {
                    Type  listType = (typeof(List <>)).MakeGenericType(DependencyTransformation.OutputType);
                    IList list     = System.Activator.CreateInstance(listType) as IList;

                    MultipleResultAwaitingPersistor delayPersistor = new MultipleResultAwaitingPersistor()
                    {
                        List      = list,
                        Persistor = Persistor
                    };
                    if (context.IsThreadSafe)
                    {
                        Parallel.ForEach(inCollection, dependencyInput =>
                        {
                            HandleDelayedDependencyInput(computation, context, list, delayPersistor, dependencyInput);
                        });
                    }
                    else
                    {
                        foreach (var dependencyInput in inCollection)
                        {
                            HandleDelayedDependencyInput(computation, context, list, delayPersistor, dependencyInput);
                        }
                    }
                    delay.Persistors.Add(delayPersistor);
                }
                else
                {
                    if (context.IsThreadSafe)
                    {
                        Parallel.ForEach(inCollection, dependencyInput =>
                        {
                            GeneralTransformationRule dependent = DependencyTransformation;
                            var comp2 = context.CallTransformation(dependent, dependencyInput);

                            computation.MarkRequireInternal(comp2, ExecuteBefore, this);
                        });
                    }
                    else
                    {
                        foreach (var dependencyInput in inCollection)
                        {
                            GeneralTransformationRule dependent = DependencyTransformation;
                            var comp2 = context.CallTransformation(dependent, dependencyInput);

                            computation.MarkRequireInternal(comp2, ExecuteBefore, this);
                        }
                    }
                }
            }
        }
        private bool HandleNonDelayedPersistedDependencyInput(Computation computation, ITransformationContext context, IList list, MultipleResultAwaitingPersistor delayPersistor, GeneralTransformationRule dependent, object[] dependencyInput)
        {
            var needDelayedPersistor = false;
            var comp2 = context.CallTransformation(dependent, dependencyInput);

            if (!comp2.IsDelayed)
            {
                if (comp2.Output != null)
                {
                    var lockList = context.IsThreadSafe;
                    if (lockList)
                    {
                        lock (list)
                        {
                            list.Add(comp2.Output);
                        }
                    }
                    else
                    {
                        list.Add(comp2.Output);
                    }
                }
            }
            else
            {
                needDelayedPersistor = true;
                delayPersistor.WaitFor(comp2);
            }

            computation.MarkRequireInternal(comp2, ExecuteBefore, this);
            return(needDelayedPersistor);
        }
        private void HandleNonDelayedComputation(Computation computation, ITransformationContext context)
        {
            var output       = computation.Output;
            var inCollection = Selector(computation);

            if (inCollection != null)
            {
                if (Persistor != null)
                {
                    Type  listType = (typeof(List <>)).MakeGenericType(DependencyTransformation.OutputType);
                    IList list     = System.Activator.CreateInstance(listType) as IList;

                    MultipleResultAwaitingPersistor delayPersistor = new MultipleResultAwaitingPersistor()
                    {
                        List      = list,
                        Persistor = Persistor,
                        Target    = output
                    };
                    bool needDependencyPersistor        = false;
                    GeneralTransformationRule dependent = DependencyTransformation;
                    if (context.IsThreadSafe)
                    {
                        Parallel.ForEach(inCollection, dependencyInput =>
                        {
                            if (HandleNonDelayedPersistedDependencyInput(computation, context, list, delayPersistor, dependent, dependencyInput))
                            {
                                needDependencyPersistor = true;
                            }
                        });
                    }
                    else
                    {
                        foreach (var dependencyInput in inCollection)
                        {
                            if (HandleNonDelayedPersistedDependencyInput(computation, context, list, delayPersistor, dependent, dependencyInput))
                            {
                                needDependencyPersistor = true;
                            }
                        }
                    }
                    if (!needDependencyPersistor)
                    {
                        Persistor(output, list);
                    }
                }
                else
                {
                    GeneralTransformationRule dependent = DependencyTransformation;
                    if (context.IsThreadSafe)
                    {
                        Parallel.ForEach(inCollection, dependencyInput =>
                        {
                            var comp2 = context.CallTransformation(dependent, dependencyInput);
                            computation.MarkRequireInternal(comp2, ExecuteBefore, this);
                        });
                    }
                    else
                    {
                        foreach (var dependencyInput in inCollection)
                        {
                            var comp2 = context.CallTransformation(dependent, dependencyInput);
                            computation.MarkRequireInternal(comp2, ExecuteBefore, this);
                        }
                    }
                }
            }
        }
Exemple #4
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        private void HandleNonDelayedComputation(Computation computation, ITransformationContext context)
        {
            var output = computation.Output;
            var inCollection = Selector(computation);
            if (inCollection != null)
            {
                if (Persistor != null)
                {
                    Type listType = (typeof(List<>)).MakeGenericType(DependencyTransformation.OutputType);
                    IList list = System.Activator.CreateInstance(listType) as IList;

                    MultipleResultAwaitingPersistor delayPersistor = new MultipleResultAwaitingPersistor()
                    {
                        List = list,
                        Persistor = Persistor,
                        Target = output
                    };
                    bool needDependencyPersistor = false;
                    GeneralTransformationRule dependent = DependencyTransformation;
                    if (context.IsThreadSafe)
                    {
                        Parallel.ForEach(inCollection, dependencyInput =>
                        {
                            if (HandleNonDelayedPersistedDependencyInput(computation, context, list, delayPersistor, dependent, dependencyInput))
                            {
                                needDependencyPersistor = true;
                            }
                        });
                    }
                    else
                    {
                        foreach (var dependencyInput in inCollection)
                        {
                            if (HandleNonDelayedPersistedDependencyInput(computation, context, list, delayPersistor, dependent, dependencyInput))
                            {
                                needDependencyPersistor = true;
                            }
                        }
                    }
                    if (!needDependencyPersistor) Persistor(output, list);
                }
                else
                {
                    GeneralTransformationRule dependent = DependencyTransformation;
                    if (context.IsThreadSafe)
                    {
                        Parallel.ForEach(inCollection, dependencyInput =>
                        {
                            var comp2 = context.CallTransformation(dependent, dependencyInput);
                            computation.MarkRequireInternal(comp2, ExecuteBefore, this);
                        });
                    }
                    else
                    {
                        foreach (var dependencyInput in inCollection)
                        {
                            var comp2 = context.CallTransformation(dependent, dependencyInput);
                            computation.MarkRequireInternal(comp2, ExecuteBefore, this);
                        }
                    }
                }
            }
        }
Exemple #5
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        private void HandleDelayedComputation(Computation computation, ITransformationContext context, OutputDelay delay)
        {
            var inCollection = Selector(computation);
            if (inCollection != null)
            {
                if (Persistor != null)
                {
                    Type listType = (typeof(List<>)).MakeGenericType(DependencyTransformation.OutputType);
                    IList list = System.Activator.CreateInstance(listType) as IList;

                    MultipleResultAwaitingPersistor delayPersistor = new MultipleResultAwaitingPersistor()
                    {
                        List = list,
                        Persistor = Persistor
                    };
                    if (context.IsThreadSafe)
                    {
                        Parallel.ForEach(inCollection, dependencyInput =>
                        {
                            HandleDelayedDependencyInput(computation, context, list, delayPersistor, dependencyInput);
                        });
                    }
                    else
                    {
                        foreach (var dependencyInput in inCollection)
                        {
                            HandleDelayedDependencyInput(computation, context, list, delayPersistor, dependencyInput);
                        }
                    }
                    delay.Persistors.Add(delayPersistor);
                }
                else
                {
                    if (context.IsThreadSafe)
                    {
                        Parallel.ForEach(inCollection, dependencyInput =>
                        {
                            GeneralTransformationRule dependent = DependencyTransformation;
                            var comp2 = context.CallTransformation(dependent, dependencyInput);

                            computation.MarkRequireInternal(comp2, ExecuteBefore, this);
                        });
                    }
                    else
                    {
                        foreach (var dependencyInput in inCollection)
                        {
                            GeneralTransformationRule dependent = DependencyTransformation;
                            var comp2 = context.CallTransformation(dependent, dependencyInput);

                            computation.MarkRequireInternal(comp2, ExecuteBefore, this);
                        }
                    }
                }
            }
        }
Exemple #6
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        private bool HandleNonDelayedPersistedDependencyInput(Computation computation, ITransformationContext context, IList list, MultipleResultAwaitingPersistor delayPersistor, GeneralTransformationRule dependent, object[] dependencyInput)
        {
            var needDelayedPersistor = false;
            var comp2 = context.CallTransformation(dependent, dependencyInput);
            if (!comp2.IsDelayed)
            {
                if (comp2.Output != null)
                {
                    var lockList = context.IsThreadSafe;
                    if (lockList)
                    {
                        lock (list)
                        {
                            list.Add(comp2.Output);
                        }
                    }
                    else
                    {
                        list.Add(comp2.Output);
                    }
                }
            }
            else
            {
                needDelayedPersistor = true;
                delayPersistor.WaitFor(comp2);
            }

            computation.MarkRequireInternal(comp2, ExecuteBefore, this);
            return needDelayedPersistor;
        }
        /// <summary>
        /// Calls the transformation dependency for the given computation
        /// </summary>
        /// <param name="computation">The computation that this dependency is to be called</param>
        public override void HandleDependency(Computation computation)
        {
            if (computation == null)
            {
                throw new ArgumentNullException("computation");
            }

            if (computation.IsDelayed && NeedOutput)
            {
                computation.OutputInitialized += CallComputation;
                return;
            }

            if (Filter == null || Filter(computation))
            {
                var context = computation.TransformationContext;
                if (Selector != null)
                {
                    if (computation.IsDelayed)
                    {
                        //case delayed
                        var delay = computation.OutputDelay;
                        if (!NeedOutput)
                        {
                            object[] dependencyInput = Selector(computation);
                            if (dependencyInput != null)
                            {
                                GeneralTransformationRule dependent = DependencyTransformation;
                                var comp2 = context.CallTransformation(dependent, dependencyInput);
                                if (Persistor != null)
                                {
                                    if (!comp2.IsDelayed)
                                    {
                                        delay.Persistors.Add(new SingleItemPersistor()
                                        {
                                            Persistor = Persistor,
                                            Output    = comp2.Output
                                        });
                                    }
                                    else
                                    {
                                        computation.DelayOutputAtLeast(comp2.Context.MinOutputDelayLevel);
                                        var delayPersistor = new SingleResultAwaitingPersistor(Persistor);
                                        delayPersistor.WaitFor(comp2);
                                        delay.Persistors.Add(delayPersistor);
                                    }
                                }
                                else // persistor is null
                                {
                                    if (ExecuteBefore)
                                    {
                                        if (comp2.IsDelayed)
                                        {
                                            computation.DelayOutputAtLeast(comp2.Context.MinOutputDelayLevel);
                                        }
                                    }
                                }

                                computation.MarkRequireInternal(comp2, ExecuteBefore, this);
                            }
                        }
                    }
                    else // not delayed
                    {
                        // case output is already created
                        var      output          = computation.Output;
                        object[] dependencyInput = Selector(computation);
                        if (dependencyInput != null)
                        {
                            GeneralTransformationRule dependent = DependencyTransformation;
                            var comp2 = context.CallTransformation(dependent, dependencyInput);
                            if (Persistor != null)
                            {
                                if (!comp2.IsDelayed)
                                {
                                    Persistor(output, comp2.Output);
                                }
                                else
                                {
                                    var delay = new SingleResultAwaitingPersistor(Persistor, computation.Output);
                                    delay.WaitFor(comp2);
                                }
                            }

                            computation.MarkRequireInternal(comp2, ExecuteBefore, this);
                        }
                    }
                }
            }
        }
Exemple #8
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        /// <summary>
        /// Calls the transformation dependency for the given computation
        /// </summary>
        /// <param name="computation">The computation that this dependency is to be called</param>
        public override void HandleDependency(Computation computation)
        {
            if (computation == null) throw new ArgumentNullException("computation");

            if (computation.IsDelayed && NeedOutput)
            {
                computation.OutputInitialized += CallComputation;
                return;
            }

            if (Filter == null || Filter(computation))
            {
                var context = computation.TransformationContext;
                if (Selector != null)
                {
                    if (computation.IsDelayed)
                    {
                        //case delayed
                        var delay = computation.OutputDelay;
                        if (!NeedOutput)
                        {
                            object[] dependencyInput = Selector(computation);
                            if (dependencyInput != null)
                            {
                                GeneralTransformationRule dependent = DependencyTransformation;
                                var comp2 = context.CallTransformation(dependent, dependencyInput);
                                if (Persistor != null)
                                {
                                    if (!comp2.IsDelayed)
                                    {
                                        delay.Persistors.Add(new SingleItemPersistor()
                                        {
                                            Persistor = Persistor,
                                            Output = comp2.Output
                                        });
                                    }
                                    else
                                    {
                                        computation.DelayOutputAtLeast(comp2.Context.MinOutputDelayLevel);
                                        var delayPersistor = new SingleResultAwaitingPersistor(Persistor);
                                        delayPersistor.WaitFor(comp2);
                                        delay.Persistors.Add(delayPersistor);
                                    }
                                }
                                else // persistor is null
                                {
                                    if (ExecuteBefore)
                                    {
                                        if (comp2.IsDelayed)
                                        {
                                            computation.DelayOutputAtLeast(comp2.Context.MinOutputDelayLevel);
                                        }
                                    }
                                }

                                computation.MarkRequireInternal(comp2, ExecuteBefore, this);
                            }
                        }
                    }
                    else // not delayed
                    {
                        // case output is already created
                        var output = computation.Output;
                        object[] dependencyInput = Selector(computation);
                        if (dependencyInput != null)
                        {
                            GeneralTransformationRule dependent = DependencyTransformation;
                            var comp2 = context.CallTransformation(dependent, dependencyInput);
                            if (Persistor != null)
                            {
                                if (!comp2.IsDelayed)
                                {
                                    Persistor(output, comp2.Output);
                                }
                                else
                                {
                                    var delay = new SingleResultAwaitingPersistor(Persistor, computation.Output);
                                    delay.WaitFor(comp2);
                                }
                            }

                            computation.MarkRequireInternal(comp2, ExecuteBefore, this);
                        }
                    }
                }
            }
        }