xo::MessageRelay method subscribe (public)

 <instance of xo::MessageRelay> subscribe [ -initmsg initmsg ] \
    [ -mode mode ] key

Defined in packages/xotcl-core/tcl/message-relay-procs.tcl

Subscribe to a service identified by a key.

Switches:

-initmsg (optional)

optional message to be sent, when subscription happens

-mode (optional, defaults to "default")

optional mode

Parameters:

key (required)

unique id for a (potentially new communication hub)

Testcases:

No testcase defined.

Source code:

XQL Not present:

Generic, PostgreSQL, Oracle