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+# Base.pm - provides empty base of the OpenSLX OSSetup::MetaPackager API.
+#
+# (c) 2006 - OpenSLX.com
+#
+# Oliver Tappe <ot@openslx.com>
+#
+package OpenSLX::OSSetup::MetaPackager::Base;
+
+use vars qw($VERSION);
+$VERSION = 1.01;		# API-version . implementation-version
+
+use strict;
+use Carp;
+
+################################################################################
+### interface methods
+################################################################################
+sub new
+{
+	confess "Creating OpenSLX::OSSetup::MetaPackager::Base-objects directly makes no sense!";
+}
+
+sub initialize
+{
+	my $self = shift;
+	my $engine = shift;
+
+	$self->{'engine'} = $engine;
+}
+
+sub setupPackageSource
+{
+}
+
+1;
+################################################################################
+
+=pod
+
+=head1 NAME
+
+OpenSLX::OSSetup::MetaPackager::Base - the base class for all OSSetup::MetaPackagers
+
+=head1 SYNOPSIS
+
+  package OpenSLX::OSSetup::MetaPackager::coolnewpkg;
+
+  use vars qw(@ISA $VERSION);
+  @ISA = ('OpenSLX::OSSetup::MetaPackager::Base');
+  $VERSION = 1.01;
+
+  use coolnewpkg;
+
+  sub new
+  {
+      my $class = shift;
+      my $self = {};
+      return bless $self, $class;
+  }
+
+  # override all methods of OpenSLX::OSSetup::MetaPackager::Base in order to
+  # implement the support for a new meta-packager
+  ...
+
+I<The synopsis above outlines a class that implements a
+OSSetup::MetaPackager for the (imaginary) meta-packager B<coolnewpkg>>
+
+=cut