internal bool InitializeRelationship(Activity parent, ActivityCollectionType collectionType, ref IList <ValidationError> validationErrors)
        {
            if (this.cacheId == parent.CacheId)
            {
                Activity owner = parent.MemberOf.Owner;
                if (owner == null)
                {
                    Activity activity2 = this.Handler;
                    if (activity2 == null)
                    {
                        ActivityUtilities.Add <ValidationError>(ref validationErrors, new ValidationError(System.Activities.SR.ActivityDelegateCannotBeReferencedWithoutTargetNoHandler(parent.DisplayName, this.owner.DisplayName), false, parent));
                    }
                    else
                    {
                        ActivityUtilities.Add <ValidationError>(ref validationErrors, new ValidationError(System.Activities.SR.ActivityDelegateCannotBeReferencedWithoutTarget(activity2.DisplayName, parent.DisplayName, this.owner.DisplayName), false, parent));
                    }
                    return(false);
                }
                if (owner.Delegates.Contains(this) || owner.ImportedDelegates.Contains(this))
                {
                    return(true);
                }
                Activity handler = this.Handler;
                if (handler == null)
                {
                    ActivityUtilities.Add <ValidationError>(ref validationErrors, new ValidationError(System.Activities.SR.ActivityDelegateCannotBeReferencedNoHandler(parent.DisplayName, owner.DisplayName, this.owner.DisplayName), false, parent));
                }
                else
                {
                    ActivityUtilities.Add <ValidationError>(ref validationErrors, new ValidationError(System.Activities.SR.ActivityDelegateCannotBeReferenced(handler.DisplayName, parent.DisplayName, owner.DisplayName, this.owner.DisplayName), false, parent));
                }
                return(false);
            }
            this.owner   = parent;
            this.cacheId = parent.CacheId;
            this.parentCollectionType = collectionType;
            this.InternalCacheMetadata();
            LocationReferenceEnvironment implementationEnvironment = null;

            if (collectionType == ActivityCollectionType.Implementation)
            {
                implementationEnvironment = parent.ImplementationEnvironment;
            }
            else
            {
                implementationEnvironment = parent.PublicEnvironment;
            }
            if (this.RuntimeDelegateArguments.Count > 0)
            {
                ActivityLocationReferenceEnvironment environment2 = new ActivityLocationReferenceEnvironment(implementationEnvironment);
                implementationEnvironment = environment2;
                for (int i = 0; i < this.RuntimeDelegateArguments.Count; i++)
                {
                    RuntimeDelegateArgument argument      = this.RuntimeDelegateArguments[i];
                    DelegateArgument        boundArgument = argument.BoundArgument;
                    if (boundArgument != null)
                    {
                        if (boundArgument.Direction != argument.Direction)
                        {
                            ActivityUtilities.Add <ValidationError>(ref validationErrors, new ValidationError(System.Activities.SR.RuntimeDelegateArgumentDirectionIncorrect, parent));
                        }
                        if (boundArgument.Type != argument.Type)
                        {
                            ActivityUtilities.Add <ValidationError>(ref validationErrors, new ValidationError(System.Activities.SR.RuntimeDelegateArgumentTypeIncorrect, parent));
                        }
                        environment2.Declare(boundArgument, this.owner, ref validationErrors);
                    }
                }
            }
            this.Environment = implementationEnvironment;
            if (this.Handler != null)
            {
                return(this.Handler.InitializeRelationship(this, collectionType, ref validationErrors));
            }
            return(true);
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Initializes the relationship.
        /// </summary>
        /// <param name="parent">The parent.</param>
        /// <param name="collectionType">Type of the collection.</param>
        /// <param name="validationErrors">The validation errors.</param>
        /// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
        internal bool InitializeRelationship(Activity parent, ActivityCollectionType collectionType, ref IList <ValidationError> validationErrors)
        {
            if (this.cacheId == parent.CacheId)
            {
                Fx.Assert(this.Owner != null, "We must have set the owner when we set the cache ID");

                // This means that we've already encountered a parent in the tree

                // Validate that it is visible.

                // In order to see the activity the new parent must be in the implementation IdSpace
                // of an activity which has a public reference to it.
                var referenceTarget = parent.MemberOf.Owner;

                if (referenceTarget == null)
                {
                    var handler = this.Handler;

                    if (handler == null)
                    {
                        ActivityUtilities.Add(
                            ref validationErrors,
                            new ValidationError(SR.ActivityDelegateCannotBeReferencedWithoutTargetNoHandler(parent.DisplayName, this.Owner.DisplayName),
                                                false,
                                                parent));
                    }
                    else
                    {
                        ActivityUtilities.Add(
                            ref validationErrors,
                            new ValidationError(SR.ActivityDelegateCannotBeReferencedWithoutTarget(handler.DisplayName, parent.DisplayName, this.Owner.DisplayName),
                                                false,
                                                parent));
                    }

                    return(false);
                }
                else if (!referenceTarget.Delegates.Contains(this) && !referenceTarget.ImportedDelegates.Contains(this))
                {
                    var handler = this.Handler;

                    if (handler == null)
                    {
                        ActivityUtilities.Add(
                            ref validationErrors,
                            new ValidationError(SR.ActivityDelegateCannotBeReferencedNoHandler(parent.DisplayName, referenceTarget.DisplayName, this.Owner.DisplayName),
                                                false,
                                                parent));
                    }
                    else
                    {
                        ActivityUtilities.Add(
                            ref validationErrors,
                            new ValidationError(SR.ActivityDelegateCannotBeReferenced(handler.DisplayName, parent.DisplayName, referenceTarget.DisplayName, this.Owner.DisplayName),
                                                false,
                                                parent));
                    }

                    return(false);
                }

                // This is a valid reference so we want to allow normal processing to proceed.
                return(true);
            }

            this.Owner   = parent;
            this.cacheId = parent.CacheId;
            this.ParentCollectionType = collectionType;
            this.InternalCacheMetadata();

            // We need to setup the delegate environment so that it is available when we process the Handler.
            var delegateEnvironment = collectionType == ActivityCollectionType.Implementation ? parent.ImplementationEnvironment : parent.PublicEnvironment;

            if (this.RuntimeDelegateArguments.Count > 0)
            {
                var newEnvironment = new ActivityLocationReferenceEnvironment(delegateEnvironment);
                delegateEnvironment = newEnvironment;

                for (var argumentIndex = 0; argumentIndex < this.RuntimeDelegateArguments.Count; argumentIndex++)
                {
                    var runtimeDelegateArgument = this.RuntimeDelegateArguments[argumentIndex];
                    var delegateArgument        = runtimeDelegateArgument.BoundArgument;

                    if (delegateArgument != null)
                    {
                        if (delegateArgument.Direction != runtimeDelegateArgument.Direction)
                        {
                            ActivityUtilities.Add(ref validationErrors, new ValidationError(SR.RuntimeDelegateArgumentDirectionIncorrect, parent));
                        }

                        if (delegateArgument.Type != runtimeDelegateArgument.Type)
                        {
                            ActivityUtilities.Add(ref validationErrors, new ValidationError(SR.RuntimeDelegateArgumentTypeIncorrect, parent));
                        }

                        // NOTE: We don't initialize this relationship here because at runtime we'll
                        // actually just place these variables in the environment of the Handler.
                        // We'll initialize and set an ID when we process the Handler.
                        newEnvironment.Declare(delegateArgument, this.Owner, ref validationErrors);
                    }
                }
            }

            this.Environment = delegateEnvironment;

            return(this.Handler == null ? true : this.Handler.InitializeRelationship(this, collectionType, ref validationErrors));
        }
 private static void ProcessDelegates(Activity parent, IList <ActivityDelegate> delegates, ActivityCollectionType collectionType, bool addChildren, ref ChildActivity nextActivity, ref Stack <ChildActivity> activitiesRemaining, ref IList <ValidationError> validationErrors)
 {
     for (int i = 0; i < delegates.Count; i++)
     {
         ActivityDelegate activityDelegate = delegates[i];
         if (activityDelegate.InitializeRelationship(parent, collectionType, ref validationErrors) && addChildren)
         {
             SetupForProcessing(activityDelegate, collectionType != ActivityCollectionType.Imports, ref nextActivity, ref activitiesRemaining);
         }
     }
 }
 private static void ProcessVariables(Activity parent, IList <Variable> variables, ActivityCollectionType collectionType, bool addChildren, ref ActivityLocationReferenceEnvironment environment, ref int nextEnvironmentId, ref ChildActivity nextActivity, ref Stack <ChildActivity> activitiesRemaining, ref IList <ValidationError> validationErrors)
 {
     if (variables.Count > 0)
     {
         if (environment == null)
         {
             environment = new ActivityLocationReferenceEnvironment(parent.GetParentEnvironment());
         }
         for (int i = 0; i < variables.Count; i++)
         {
             Variable locationReference = variables[i];
             if (locationReference.InitializeRelationship(parent, collectionType == ActivityCollectionType.Public, ref validationErrors))
             {
                 locationReference.Id = nextEnvironmentId;
                 nextEnvironmentId++;
                 environment.Declare(locationReference, locationReference.Owner, ref validationErrors);
                 if (addChildren)
                 {
                     SetupForProcessing(locationReference, ref nextActivity, ref activitiesRemaining);
                 }
             }
         }
     }
 }
Ejemplo n.º 5
0
        internal bool InitializeRelationship(Activity parent, ActivityCollectionType collectionType, ref IList<ValidationError> validationErrors)
        {
            if (this.cacheId == parent.CacheId)
            {
                Fx.Assert(this.owner != null, "We must have set the owner when we set the cache ID");

                // This means that we've already encountered a parent in the tree

                // Validate that it is visible.

                // In order to see the activity the new parent must be
                // in the implementation IdSpace of an activity which has
                // a public reference to it.
                Activity referenceTarget = parent.MemberOf.Owner;

                if (referenceTarget == null)
                {
                    Activity handler = this.Handler;

                    if (handler == null)
                    {
                        ActivityUtilities.Add(ref validationErrors, new ValidationError(SR.ActivityDelegateCannotBeReferencedWithoutTargetNoHandler(parent.DisplayName, this.owner.DisplayName), false, parent));
                    }
                    else
                    {
                        ActivityUtilities.Add(ref validationErrors, new ValidationError(SR.ActivityDelegateCannotBeReferencedWithoutTarget(handler.DisplayName, parent.DisplayName, this.owner.DisplayName), false, parent));
                    }

                    return false;
                }
                else if (!referenceTarget.Delegates.Contains(this) && !referenceTarget.ImportedDelegates.Contains(this))
                {
                    Activity handler = this.Handler;

                    if (handler == null)
                    {
                        ActivityUtilities.Add(ref validationErrors, new ValidationError(SR.ActivityDelegateCannotBeReferencedNoHandler(parent.DisplayName, referenceTarget.DisplayName, this.owner.DisplayName), false, parent));
                    }
                    else
                    {
                        ActivityUtilities.Add(ref validationErrors, new ValidationError(SR.ActivityDelegateCannotBeReferenced(handler.DisplayName, parent.DisplayName, referenceTarget.DisplayName, this.owner.DisplayName), false, parent));
                    }

                    return false;
                }

                // This is a valid reference so we want to allow
                // normal processing to proceed.
                return true;
            }

            this.owner = parent;
            this.cacheId = parent.CacheId;
            this.parentCollectionType = collectionType;
            InternalCacheMetadata();

            // We need to setup the delegate environment so that it is
            // available when we process the Handler.
            LocationReferenceEnvironment delegateEnvironment = null;

            if (collectionType == ActivityCollectionType.Implementation)
            {
                delegateEnvironment = parent.ImplementationEnvironment;
            }
            else
            {
                delegateEnvironment = parent.PublicEnvironment;
            }

            if (this.RuntimeDelegateArguments.Count > 0)
            {
                ActivityLocationReferenceEnvironment newEnvironment = new ActivityLocationReferenceEnvironment(delegateEnvironment);
                delegateEnvironment = newEnvironment;

                for (int argumentIndex = 0; argumentIndex < this.RuntimeDelegateArguments.Count; argumentIndex++)
                {
                    RuntimeDelegateArgument runtimeDelegateArgument = this.RuntimeDelegateArguments[argumentIndex];
                    DelegateArgument delegateArgument = runtimeDelegateArgument.BoundArgument;

                    if (delegateArgument != null)
                    {
                        if (delegateArgument.Direction != runtimeDelegateArgument.Direction)
                        {
                            ActivityUtilities.Add(ref validationErrors, new ValidationError(SR.RuntimeDelegateArgumentDirectionIncorrect, parent));
                        }

                        if (delegateArgument.Type != runtimeDelegateArgument.Type)
                        {
                            ActivityUtilities.Add(ref validationErrors, new ValidationError(SR.RuntimeDelegateArgumentTypeIncorrect, parent));
                        }

                        // NOTE: We don't initialize this relationship here because
                        // at runtime we'll actually just place these variables in the
                        // environment of the Handler.  We'll initialize and set an
                        // ID when we process the Handler.
                        newEnvironment.Declare(delegateArgument, this.owner, ref validationErrors);
                    }
                }
            }

            this.Environment = delegateEnvironment;

            if (this.Handler != null)
            {
                return this.Handler.InitializeRelationship(this, collectionType, ref validationErrors);
            }

            return true;
        }