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package Bio::Phylo::Identifiable; |
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use Bio::Phylo::Util::IDPool; |
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use Bio::Phylo::Util::Exceptions 'throw'; |
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use strict; |
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use warnings; |
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=head1 NAME |
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Bio::Phylo::Identifiable - Objects with unique identifiers |
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=head1 SYNOPSIS |
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# Actually, you would almost never use this module directly. This is |
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# the base class for other modules. |
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use Bio::Phylo::Identifiable; |
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my $obj = Bio::Phylo::Identifiable->new; |
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print $obj->get_id; |
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=head1 DESCRIPTION |
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This is the base class for objects in the Bio::Phylo package |
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that need unique identifiers. |
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=head1 METHODS |
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=head2 CONSTRUCTOR |
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=over |
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=item new() |
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Type : Constructor |
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Title : new |
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Usage : my $phylo = Bio::Phylo::Identifiable->new; |
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Function: Instantiates Bio::Phylo::Identifiable object |
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Returns : a Bio::Phylo::Identifiable object |
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Args : NONE |
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=cut |
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sub new { |
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my $class = shift; |
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# happens only and exactly once because this |
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# root class is visited from every constructor |
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my $self = Bio::Phylo::Util::IDPool->_initialize(); |
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# bless in child class, not __PACKAGE__ |
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bless $self, $class; |
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return $self; |
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} |
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=item get_id() |
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Gets invocant's UID. |
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Type : Accessor |
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Title : get_id |
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Usage : my $id = $obj->get_id; |
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Function: Returns the object's unique ID |
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Returns : INT |
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Args : None |
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=cut |
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sub get_id { |
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2614590
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2614590
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my ($self) = @_; |
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2614590
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if ( UNIVERSAL::isa( $self, 'SCALAR' ) ) { |
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return $$self; |
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} |
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else { |
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throw 'API' => "Not a SCALAR reference"; |
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} |
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} |
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=item is_equal() |
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Compares invocant's UID with argument's UID |
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Type : Test |
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Title : is_equal |
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Usage : do_something() if $obj->is_equal($other); |
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Function: Compares objects by UID |
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Returns : BOOLEAN |
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Args : Another object to compare with |
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=cut |
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sub is_equal { |
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my ($self,$other) = @_; |
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return $self->get_id == $other->get_id; |
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} |
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=back |
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99
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=head1 SEE ALSO |
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101
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There is a mailing list at L |
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for any user or developer questions and discussions. |
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Also see the manual: L and L |
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106
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=head1 CITATION |
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108
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If you use Bio::Phylo in published research, please cite it: |
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110
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B, B, B, B |
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and B, 2011. Bio::Phylo - phyloinformatic analysis using Perl. |
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I B<12>:63. |
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L |
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115
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=cut |
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1; |