internal bool InitializeRelationship(Activity parent, ActivityCollectionType collectionType, ref IList <ValidationError> validationErrors)
{
if (_cacheId == parent.CacheId)
{
Fx.Assert(_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, _owner.DisplayName), false, parent));
}
else
{
ActivityUtilities.Add(ref validationErrors, new ValidationError(SR.ActivityDelegateCannotBeReferencedWithoutTarget(handler.DisplayName, parent.DisplayName, _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, _owner.DisplayName), false, parent));
}
else
{
ActivityUtilities.Add(ref validationErrors, new ValidationError(SR.ActivityDelegateCannotBeReferenced(handler.DisplayName, parent.DisplayName, referenceTarget.DisplayName, _owner.DisplayName), false, parent));
}
return(false);
}
// This is a valid reference so we want to allow
// normal processing to proceed.
return(true);
}
_owner = parent;
_cacheId = parent.CacheId;
_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, _owner, ref validationErrors);
}
}
}
this.Environment = delegateEnvironment;
if (this.Handler != null)
{
return(this.Handler.InitializeRelationship(this, collectionType, ref validationErrors));
}
return(true);
}
internal void Bind(RuntimeDelegateArgument runtimeArgument)
{
_runtimeArgument = runtimeArgument;
}