# Copyright (c) 2002-2010 bivio Software, Inc.  All Rights Reserved.
#
# Visit http://www.bivio.biz for more info.
# 
# This library is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2.1 of the
# License, or (at your option) any later version.
# 
# This library is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this library;  If not, you may get a copy from:
# http://www.opensource.org/licenses/lgpl-license.html
# 
# $Id: JobBase.pm,v 2.6 2010/04/22 20:05:40 nagler Exp $
package Bivio::Biz::Action::JobBase;
use strict;
use Bivio::Base 'Biz.Action';

our($VERSION) = sprintf('%d.%02d', q$Revision: 2.6 $ =~ /\d+/g);
my($_SENTINEL) = __PACKAGE__ . '.internal_execute';

sub enqueue_task {
    my($proto, $task_id, $attrs, $req) = @_;
    b_use('AgentJob.Dispatcher')->enqueue(
	$req,
	$task_id,
	{
	    %{$attrs || {}},
	    $_SENTINEL => 1,
	},
    );
    return;
}

sub execute {
    my($proto, $req) = @_;
    die($proto, ': does not implement internal_execute')
	unless $proto->can('internal_execute');
    return $proto->internal_execute($req)
	if $req->unsafe_get($_SENTINEL);
    $proto->enqueue_task($req->get('task_id'), undef, $req);
    my($buffer) = '';
    $req->get('reply')->set_output(\$buffer);
    return 0;
}

sub set_sentinel {
    my(undef, $req) = @_;
    return $req->put($_SENTINEL => 1);
}

1;