webgui/lib/Spectre/Workflow.pm
2006-02-01 22:36:17 +00:00

124 lines
2.6 KiB
Perl

package Spectre::Workflow;
=head1 LEGAL
-------------------------------------------------------------------
WebGUI is Copyright 2001-2006 Plain Black Corporation.
-------------------------------------------------------------------
Please read the legal notices (docs/legal.txt) and the license
(docs/license.txt) that came with this distribution before using
this software.
-------------------------------------------------------------------
http://www.plainblack.com info@plainblack.com
-------------------------------------------------------------------
=cut
use strict;
#-------------------------------------------------------------------
=head2 addJob ( config, job )
Adds a workflow job to the workflow processing queue.
=head3 config
The config file name for the site that this job belongs to.
=head3 job
A hash reference containing a row of data from the WorkflowInstance table.
=cut
sub addJob {
my $self = shift;
my $config = shift;
my $job = shift;
$self->{"_priority".$job->{priority}}{$job->{instanceId}} = {
config=>$config,
status=>"waiting"
};
}
#-------------------------------------------------------------------
=head2 deleteJob ( instanceId )
Removes a workflow job from the processing queue.
=cut
sub deleteJob {
my $self = shift;
delete $self->{_priority1}{shift};
delete $self->{_priority2}{shift};
delete $self->{_priority3}{shift};
}
#-------------------------------------------------------------------
=head2 DESTROY ( )
Deconstructor.
=cut
sub DESTROY {
my $self = shift;
undef $self;
}
#-------------------------------------------------------------------
=head2 getNextJob ( )
=cut
sub getNextJob {
my $self = shift;
foreach my $priority (1..3) {
foreach my $instanceId (keys %{$self->{"_priority".$priority}}) {
if ($self->{"_priority".$priority}{status} eq "waiting") {
}
}
return undef;
}
#-------------------------------------------------------------------
=head2 new ( webguiRoot )
Constructor. Loads all active workflows from each WebGUI site and begins executing them.
=head3 webguiRoot
The path to the root of the WebGUI installation.
=cut
sub new {
my $class = shift;
my $webguiRoot = shift;
my $self = {_webguiRoot=>$webguiRoot};
bless $self, $class;
my $configs = WebGUI::Config->readAllConfigs($webguiRoot);
foreach my $config (keys %{$configs}) {
my $session = WebGUI::Session->open($webguiRoot, $config);
my $result = $session->db->read("select * from WorkflowInstance");
while (my $data = $result->hashRef) {
$self->addJob($config, $data);
}
$session->close;
}
}
1;