Jiri Daněk created PROTON-1627:
----------------------------------
Summary: [cpp] on_*_open handlers require a super call
Key: PROTON-1627
URL: https://issues.apache.org/jira/browse/PROTON-1627
Project: Qpid Proton
Issue Type: Bug
Components: cpp-binding
Affects Versions: proton-j-0.18.0
Reporter: Jiri Daněk
Assignee: Cliff Jansen
User needs to implement the on_*_ handlers like this
{code}
void on_connection_open(proton::connection &c) override {
proton::messaging_handler::on_connection_open(c);
[...]
{code}
The super implementation does
{code}
if (c.uninitialized()) {
pn_connection_open(unwrap(c));
}
{code}
There are issues with that. The rule for handlers seems to be. 1) do not call
super method in on_*_error, 2) call it everywhere else. This is complicated.
Next, handlers are generally expected not to require a super call.
https://martinfowler.com/bliki/CallSuper.html
Finally, this is not documented on the {{on_connection_open}} method. I only
went looking there when I figured what the problem was.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscr...@qpid.apache.org
For additional commands, e-mail: dev-h...@qpid.apache.org
