/// <inheritdoc />
public override object FromBinary(byte[] bytes, Type type)
{
var selectionEnvelope = Proto.Msg.SelectionEnvelope.Parser.ParseFrom(bytes);
var message = _payloadSupport.PayloadFrom(selectionEnvelope.Payload);
var elements = new SelectionPathElement[selectionEnvelope.Pattern.Count];
for (var i = 0; i < selectionEnvelope.Pattern.Count; i++)
{
var p = selectionEnvelope.Pattern[i];
if (p.Type == Proto.Msg.Selection.Types.PatternType.ChildName)
{
elements[i] = new SelectChildName(p.Matcher);
}
if (p.Type == Proto.Msg.Selection.Types.PatternType.ChildPattern)
{
elements[i] = new SelectChildPattern(p.Matcher);
}
if (p.Type == Proto.Msg.Selection.Types.PatternType.Parent)
{
elements[i] = new SelectParent();
}
}
return(new ActorSelectionMessage(message, elements));
}
/// <summary>
/// Delivers the specified message.
/// </summary>
/// <param name="message">The message.</param>
/// <param name="sender">The sender.</param>
/// <param name="pathIndex">Index of the path.</param>
/// <param name="current">The current.</param>
private void Deliver(object message, ActorRef sender, int pathIndex, ActorRef current)
{
if (pathIndex == Elements.Length)
{
current.Tell(message, sender);
}
else
{
SelectionPathElement element = Elements[pathIndex];
if (current is ActorRefWithCell)
{
var withCell = (ActorRefWithCell)current;
if (element is SelectParent)
{
Deliver(message, sender, pathIndex + 1, withCell.Parent);
}
else if (element is SelectChildName)
{
Deliver(message, sender, pathIndex + 1,
withCell.GetSingleChild(element.AsInstanceOf <SelectChildName>().Name));
}
}
else
{
SelectionPathElement[] rest = Elements.Skip(pathIndex).ToArray();
current.Tell(new ActorSelectionMessage(message, rest), sender);
}
}
}
/// <inheritdoc />
public override object FromBinary(byte[] bytes, Type type)
{
var selectionEnvelope = Proto.Msg.SelectionEnvelope.Parser.ParseFrom(bytes);
var elements = new SelectionPathElement[selectionEnvelope.Pattern.Count];
for (var i = 0; i < selectionEnvelope.Pattern.Count; i++)
{
var p = selectionEnvelope.Pattern[i];
if (p.Type == Proto.Msg.Selection.Types.PatternType.ChildName)
{
elements[i] = new SelectChildName(p.Matcher);
}
if (p.Type == Proto.Msg.Selection.Types.PatternType.ChildPattern)
{
elements[i] = new SelectChildPattern(p.Matcher);
}
if (p.Type == Proto.Msg.Selection.Types.PatternType.Parent)
{
elements[i] = new SelectParent();
}
}
object message;
try
{
message = _payloadSupport.PayloadFrom(selectionEnvelope.Payload);
}
catch (Exception ex)
{
var payload = selectionEnvelope.Payload;
var manifest = !payload.MessageManifest.IsEmpty
? payload.MessageManifest.ToStringUtf8()
: string.Empty;
throw new SerializationException(
$"Failed to deserialize payload object when deserializing {nameof(ActorSelectionMessage)} with " +
$"payload [SerializerId={payload.SerializerId}, Manifest={manifest}] addressed to [" +
$"{string.Join(",", elements.Select(e => e.ToString()))}]. {GetErrorForSerializerId(payload.SerializerId)}", ex);
}
return(new ActorSelectionMessage(message, elements));
}
/// <summary>
/// Delivers the specified message.
/// </summary>
/// <param name="message">The message.</param>
/// <param name="sender">The sender.</param>
/// <param name="pathIndex">Index of the path.</param>
/// <param name="current">The current.</param>
private void Deliver(object message, ActorRef sender, int pathIndex, ActorRef current)
{
if (pathIndex == Elements.Length)
{
current.Tell(message, sender);
}
else
{
SelectionPathElement element = Elements[pathIndex];
if (current is ActorRefWithCell)
{
var withCell = (ActorRefWithCell)current;
if (element is SelectParent)
{
Deliver(message, sender, pathIndex + 1, withCell.Parent);
}
else if (element is SelectChildName)
{
Deliver(message, sender, pathIndex + 1,
withCell.GetSingleChild(element.AsInstanceOf <SelectChildName>().Name));
}
else if (element is SelectChildPattern)
{
var pattern = element as SelectChildPattern;
var children = withCell.Children.Where(c => c.Path.Name.Like(pattern.PatternStr));
foreach (var matchingChild in children)
{
Deliver(message, sender, pathIndex + 1, matchingChild);
}
}
}
else
{
SelectionPathElement[] rest = Elements.Skip(pathIndex).ToArray();
current.Tell(new ActorSelectionMessage(message, rest), sender);
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ActorSelection" /> class.
/// </summary>
/// <param name="anchor">The anchor.</param>
/// <param name="path">The path.</param>
public ActorSelection(ActorRef anchor, SelectionPathElement[] path)
{
Anchor = anchor;
Elements = path;
}
/// <summary>
/// Initializes a new instance of the <see cref="ActorSelectionMessage" /> class.
/// </summary>
/// <param name="message">The message.</param>
/// <param name="elements">The elements.</param>
public ActorSelectionMessage(object message, SelectionPathElement[] elements)
{
Message = message;
Elements = elements;
}
/// <summary>
/// Initializes a new instance of the <see cref="ActorSelectionMessage" /> class.
/// </summary>
/// <param name="message">The message.</param>
/// <param name="elements">The elements.</param>
public ActorSelectionMessage(object message, SelectionPathElement[] elements, bool wildCardFanOut=false)
{
Message = message;
Elements = elements;
WildCardFanOut = wildCardFanOut;
}
