———#-----------------------------------------------------------------
# OWL::Data::Object
# Author: Edward Kawas <edward.kawas@gmail.com>,
# Martin Senger <martin.senger@gmail.com>
# For copyright and disclaimer see below.
#
# $Id: Object.pm,v 1.2 2010-01-07 21:46:39 ubuntu Exp $
#-----------------------------------------------------------------
package
OWL::Data::Object;
use
strict;
# add versioning to this module
$VERSION
=
sprintf
"%d.%02d"
,
q$Revision: 1.2 $
=~ /: (\d+)\.(\d+)/;
=head1 NAME
OWL::Data::Object
=head1 SYNOPSIS
use OWL::Data::Object;
# create an object with a namespace of NCBI_gi and id 545454
my $data = OWL::Data::Object->new (namespace=>"NCBI_gi", id=>"545454");
# set/get an article name for this data object
$data->name ('myObject');
print $data->name;
# set/get an id for this data object
$data->id ('myID');
print $data->id;
# check if this data object is a primitive type
print "a primitive" if $data->primitive;
print "not a primitive" if not $data->primitive;
# get a formatted string representation of this data object
print $data->toString;
=head1 DESCRIPTION
An object representing an owl object (usually consisting of a namespace and id)
=head1 AUTHORS
Edward Kawas (edward.kawas [at] gmail [dot] com)
Martin Senger (martin.senger [at] gmail [dot] com)
=cut
#-----------------------------------------------------------------
# A list of allowed attribute names. See OWL::Base for details.
#-----------------------------------------------------------------
=head1 ACCESSIBLE ATTRIBUTES
Details are in L<OWL::Base>. Here just a list of them:
=over
=item B<namespace>
=item B<id>
=item B<name>
An article name for this datatype. Note that the article name depends
on the context where this object is used.
=item B<primitive>
A boolean property indicating if this data type is a primitive owl
type or not.
=back
=cut
{
my
%_allowed
=
(
id
=>
undef
,
namespace
=>
undef
,
primitive
=> {
type
=> OWL::Base->BOOLEAN},
);
sub
_accessible {
my
(
$self
,
$attr
) =
@_
;
exists
$_allowed
{
$attr
} or
$self
->SUPER::_accessible (
$attr
);
}
sub
_attr_prop {
my
(
$self
,
$attr_name
,
$prop_name
) =
@_
;
my
$attr
=
$_allowed
{
$attr_name
};
return
ref
(
$attr
) ?
$attr
->{
$prop_name
} :
$attr
if
$attr
;
return
$self
->SUPER::_attr_prop (
$attr_name
,
$prop_name
);
}
}
#-----------------------------------------------------------------
=head1 SUBROUTINES
=cut
#-----------------------------------------------------------------
# init
#-----------------------------------------------------------------
sub
init {
my
(
$self
) =
shift
;
$self
->SUPER::init();
$self
->id (
''
);
$self
->namespace (
''
);
$self
->primitive (
'no'
);
}
# return the same value as given (but others may override it - eg,
# Boolean changes here 1 to 'true'
sub
_express_value {
shift
;
shift
;
}
1;
__END__