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Allow sorting StateChange callbacks

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If the key of the callback is a number, it will be used to invoke
callbacks with the correct ordering.
This commit is contained in:
Giulio Eulisse 2023-09-05 14:36:08 +02:00 committed by Alexey Rybalchenko
parent c3418cc7b8
commit f03805a280
1 changed files with 3 additions and 1 deletions
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4
fairmq/StateMachine.cxx
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@ -310,7 +310,9 @@ try {
void StateMachine::SubscribeToStateChange(const string& key, function<void(const State)> callback) void StateMachine::SubscribeToStateChange(const string& key, function<void(const State)> callback)
{ {
static_pointer_cast<FairMQFSM>(fFsm)->fStateChangeSignalsMap.insert({key, static_pointer_cast<FairMQFSM>(fFsm)->fStateChangeSignal.connect(callback)}); // Check if the key has a integer value as prefix, if yes, decode it.
int i = strtol(key.c_str(), nullptr, 10);
static_pointer_cast<FairMQFSM>(fFsm)->fStateChangeSignalsMap.insert({key, static_pointer_cast<FairMQFSM>(fFsm)->fStateChangeSignal.connect(i, callback)});
} }
void StateMachine::UnsubscribeFromStateChange(const string& key) void StateMachine::UnsubscribeFromStateChange(const string& key)