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1 =head1 LICENSE
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2
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3 Copyright (c) 1999-2012 The European Bioinformatics Institute and
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4 Genome Research Limited. All rights reserved.
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5
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6 This software is distributed under a modified Apache license.
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7 For license details, please see
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8
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9 http://www.ensembl.org/info/about/code_licence.html
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10
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11 =head1 CONTACT
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12
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13 Please email comments or questions to the public Ensembl
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14 developers list at <dev@ensembl.org>.
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15
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16 Questions may also be sent to the Ensembl help desk at
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17 <helpdesk@ensembl.org>.
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18
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19 =cut
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20
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21 #
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22 # EnsEMBL module for Bio::EnsEMBL::Variation::DBSQL::MetaContainer
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23 #
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24 # Cared for by Daniel Rios
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25 #
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26 #
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27 # You may distribute this module under the same terms as perl itself
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28
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29 # POD documentation - main docs before the code
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30
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31 =head1 NAME
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32
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33 Bio::EnsEMBL::Variation::DBSQL::MetaContainer -
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34 Encapsulates all access to variation database meta information
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35
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36 =head1 SYNOPSIS
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37
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38 my $meta_container = $db_adaptor->get_MetaContainer();
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39
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40 my $default_population = $meta_container->get_default_LDPopulation();
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41
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42 =head1 DESCRIPTION
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43
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44 An object that encapsulates specific access to variation db meta data
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45
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46 =head1 METHODS
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47
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48 =cut
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49
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50 package Bio::EnsEMBL::Variation::DBSQL::MetaContainer;
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51
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52 use vars qw(@ISA);
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53 use strict;
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54
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55 use Bio::EnsEMBL::DBSQL::BaseMetaContainer;
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56 use Bio::EnsEMBL::Utils::Exception;
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57
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58
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59 @ISA = qw(Bio::EnsEMBL::DBSQL::BaseMetaContainer);
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60
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61
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62 sub get_schema_version {
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63 my $self = shift;
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64
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65 my $arrRef = $self->list_value_by_key( 'schema_version' );
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66
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67 if( @$arrRef ) {
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68 my ($ver) = ($arrRef->[0] =~ /^\s*(\d+)\s*$/);
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69 if(!defined($ver)){ # old style format
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70 return 0;
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71 }
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72 return $ver;
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73 } else {
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74 warning("Please insert meta_key 'schema_version' " .
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75 "in meta table at variation db.\n");
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76 }
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77 return 0;
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78 }
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79
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80 sub ploidy {
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81 my $self = shift;
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82
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83 my $values = $self->list_value_by_key('ploidy');
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84
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85 # default to 2
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86 return scalar @$values ? $values->[0] : 2;
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87 }
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88
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89 1;
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