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.\"
.IX Title "Net::DBus::ASyncReply 3pm"
.TH Net::DBus::ASyncReply 3pm "2020-11-09" "perl v5.32.0" "User Contributed Perl Documentation"
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.SH "NAME"
Net::DBus::ASyncReply \- asynchronous method reply handler
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&  use Net::DBus::Annotation qw(:call);
\&
\&  my $object = $service\->get_object("/org/example/systemMonitor");
\&
\&  # List processes & get on with other work until
\&  # the list is returned.
\&  my $asyncreply = $object\->list_processes(dbus_call_async, "someuser");
\&
\&  while (!$asyncreply\->is_ready) {
\&    ... do some background work..
\&  }
\&
\&  my $processes = $asyncreply\->get_result;
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This object provides a handler for receiving asynchronous
method replies. An asynchronous reply object is generated
when making remote method call with the \f(CW\*(C`dbus_call_async\*(C'\fR
annotation set.
.SH "METHODS"
.IX Header "METHODS"
.ie n .IP "$asyncreply\->discard_result;" 4
.el .IP "\f(CW$asyncreply\fR\->discard_result;" 4
.IX Item "$asyncreply->discard_result;"
Indicates that the caller is no longer interested in
receiving the reply & that it should be discarded. After
calling this method, this object should not be used again.
.ie n .IP "$asyncreply\->wait_for_result;" 4
.el .IP "\f(CW$asyncreply\fR\->wait_for_result;" 4
.IX Item "$asyncreply->wait_for_result;"
Blocks the caller waiting for completion of the of the
asynchronous reply. Upon returning from this method, the
result can be obtained with the \f(CW\*(C`get_result\*(C'\fR method.
.ie n .IP "my $boolean = $asyncreply\->is_ready;" 4
.el .IP "my \f(CW$boolean\fR = \f(CW$asyncreply\fR\->is_ready;" 4
.IX Item "my $boolean = $asyncreply->is_ready;"
Returns a true value if the asynchronous reply is now
complete (or a timeout has occurred). When this method
returns true, the result can be obtained with the \f(CW\*(C`get_result\*(C'\fR
method.
.ie n .IP "$asyncreply\->set_notify($coderef);" 4
.el .IP "\f(CW$asyncreply\fR\->set_notify($coderef);" 4
.IX Item "$asyncreply->set_notify($coderef);"
Sets a notify function which will be invoked when the
asynchronous reply finally completes. The callback will
be invoked with a single parameter which is this object.
.ie n .IP "my @data = $asyncreply\->get_result;" 4
.el .IP "my \f(CW@data\fR = \f(CW$asyncreply\fR\->get_result;" 4
.IX Item "my @data = $asyncreply->get_result;"
Retrieves the data associated with the asynchronous reply.
If a timeout occurred, then this method will throw an
exception. This method can only be called once the reply
is complete, as indicated by the \f(CW\*(C`is_ready\*(C'\fR method
returning a true value. After calling this method, this
object should no longer be used.
.SH "AUTHOR"
.IX Header "AUTHOR"
Daniel Berrange <dan@berrange.com>
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copright (C) 2006\-2011, Daniel Berrange.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Net::DBus, Net::DBus::RemoteObject, Net::DBus::Annotation