public void Suggest(object newValue)
{
if (newValue == null && !CanBeAssignedNull(this.Type))
{
throw(new AttributeAssignmentException("Attribute of type " + this.Type
+ " can not be assigned from provided value" + newValue + " of type " + newValue.GetType()));
}
try
{
var convertedValue = convertValueToAttributeType(newValue);
if (World.Instance.ContainsEntity(ParentComponent.ContainingEntity.Guid))
{
var proposedChange =
new ProposeAttributeChangeEventArgs(ParentComponent.ContainingEntity,
ParentComponent.Name,
Definition.Name,
convertedValue);
ParentComponent.ContainingEntity.PublishAttributeChangeSuggestion(proposedChange);
}
else
{
Set(convertedValue);
}
}
catch
{
throw new AttributeAssignmentException("Attribute of type " + this.Type
+ " can not be assigned from provided value" + newValue + " of type " + newValue.GetType());
}
}
internal void PublishAttributeChangeSuggestion(ProposeAttributeChangeEventArgs e)
{
if (this.ProposedAttributeChange != null)
{
this.ProposedAttributeChange(this, e);
}
else
{
// if ProposedAttributeChange is null, then Service Bus is uninitialized and we fall back onto normal
// change propagation, i.e. via ChangedAttribute event.
e.Entity[e.ComponentName][e.AttributeName].Set(e.Value);
}
}
internal void PublishAttributeChangeSuggestion(ProposeAttributeChangeEventArgs e)
{
if (this.ProposedAttributeChange != null)
{
this.ProposedAttributeChange(this, e);
}
else
{
// if ProposedAttributeChange is null, then Service Bus is uninitialized and we fall back onto normal
// change propagation, i.e. via ChangedAttribute event.
e.Entity[e.ComponentName][e.AttributeName].Set(e.Value);
}
}
private void HandleTransformation(object sender, ProposeAttributeChangeEventArgs transform)
{
Dictionary<string, Dictionary<string, object>> initialAccumulation = new Dictionary<string, Dictionary<string, object>>();
Dictionary<string, object> initialAttributeUpdates = new Dictionary<string, object>();
initialAttributeUpdates.Add(transform.AttributeName, transform.Value);
initialAccumulation.Add(transform.ComponentName, initialAttributeUpdates);
AccumulatedAttributeTransform initialTransform = new AccumulatedAttributeTransform(transform.Entity, initialAccumulation);
string topic = transform.ComponentName + "." + transform.AttributeName;
if (topicSubscriptions.ContainsKey(topic) && topicSubscriptions[topic].Count > 0)
{
InvokeTopicHandlers(topic, initialTransform);
}
else
{
CloseComputation(initialTransform);
}
}
