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Add Broadcast message support to ShardedDaemonProcess #7451

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Jan 9, 2025
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Add Broadcast message support to ShardedDaemonProcess #7451

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21 changes: 16 additions & 5 deletions src/contrib/cluster/Akka.Cluster.Sharding/ShardedDaemonProcess.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -112,12 +112,23 @@ public DaemonMessageRouter(string[] entityIds, IActorRef shardingRef)

protected override void OnReceive(object message)
{
var nextId = _entityIds[_index % _entityIds.Length];
if (message is Broadcast broadcast)
{
var unwrapped = broadcast.Message;
foreach (var entityId in _entityIds)
{
_shardingRef.Forward(new ShardingEnvelope(entityId, unwrapped));
}
}
Comment on lines +115 to +122
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Special case, when message is wrapped inside the Broadcast envelope, send the payload to all worker entities.

else
{
var nextId = _entityIds[_index % _entityIds.Length];

// have to remember to always allow the sharding envelope to be forwarded
_shardingRef.Forward(new ShardingEnvelope(nextId, message));
if (_index == int.MaxValue) _index = 0;
else _index++;
// have to remember to always allow the sharding envelope to be forwarded
_shardingRef.Forward(new ShardingEnvelope(nextId, message));
if (_index == int.MaxValue) _index = 0;
else _index++;
}
}
}

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