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# BioPerl module for Bio::DBLinkContainerI
# Please direct questions and support issues to <>
# Cared for by Heikki Lehvaslaiho <heikki-at-bioperl-dot-org>
# Copyright Heikki Lehvaslaiho
# You may distribute this module under the same terms as perl itself
# POD documentation - main docs before the code
=head1 NAME
Bio::DBLinkContainerI - Abstract interface for any object wanting to use
database cross references
# get an objects containing database cross reference
foreach $obj ( @objs ) {
if( $obj->isa('Bio::DBLinkContainerI') ) {
foreach $dblink ( $obj->each_DBLink() ) {
# do stuff
This interface defines the functions one can expect for any object
wanting to use database cross-references. This class does not actually
provide any implementation, it just provides the definitions of what
methods one can call.
The database cross-references are implemented as L<Bio::Annotation::DBLink>
=head2 Mailing Lists
User feedback is an integral part of the evolution of this and other
Bioperl modules. Send your comments and suggestions preferably to one
of the Bioperl mailing lists. Your participation is much appreciated. - General discussion - About the mailing lists
=head2 Support
Please direct usage questions or support issues to the mailing list:
rather than to the module maintainer directly. Many experienced and
reponsive experts will be able look at the problem and quickly
address it. Please include a thorough description of the problem
with code and data examples if at all possible.
=head2 Reporting Bugs
Report bugs to the Bioperl bug tracking system to help us keep track
the bugs and their resolution. Bug reports can be submitted via the
=head1 AUTHOR - Heikki Lehvaslaiho
Email: heikki-at-bioperl-dot-org
The rest of the documentation details each of the object
methods. Internal methods are usually preceded with a _
# Let the code begin...
package Bio::DBLinkContainerI;
use strict;
use Carp;
use base qw(Bio::Root::RootI);
=head2 each_DBLink
Title : each_DBLink
Usage : foreach $ref ( $self->each_DBlink() )
Function: gets an array of DBlink of objects
Example :
Returns : an array of Bio::Annotation::DBLink objects
Args : none
sub each_DBLink{
my ($self) = @_;
my $class = ref($self) || $self;
$self->throw("Class $class did not define method 'each_DBLink' for interface DBLinkContainerI");
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