class Ensembl::Core::Exon
The Exon
class describes an exon.
This class uses ActiveRecord
to access data in the Ensembl
database. See the general documentation of the Ensembl
module for more information on what this means and what methods are available.
This class includes the mixin Sliceable
, which means that it is mapped to a SeqRegion
object and a Slice
can be created for objects of this class. See Sliceable
and Slice
for more information.
@example
seq_region = SeqRegion.find(1) puts seq_region.exons.length
Public Class Methods
find_by_stable_id(stable_id)
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# File lib/bio-ensembl/core/activerecord.rb, line 682 def self.find_by_stable_id(stable_id) exon_stable_id = ExonStableId.find_by_stable_id(stable_id) if exon_stable_id.nil? return nil else return exon_stable_id.exon end end
Public Instance Methods
seq()
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The Exon#seq
method returns the sequence of the exon.
# File lib/bio-ensembl/core/activerecord.rb, line 669 def seq seq_region = nil if Ensembl::SESSION.seq_regions.has_key?(self.seq_region_id) seq_region = Ensembl::SESSION.seq_regions[self.seq_region_id] else seq_region = self.seq_region Ensembl::SESSION.seq_regions[seq_region.id] = seq_region end slice = Ensembl::Core::Slice.new(seq_region, seq_region_start, seq_region_end, seq_region_strand) return slice.seq end
stable_id()
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# File lib/bio-ensembl/core/activerecord.rb, line 664 def stable_id return self.exon_stable_id.stable_id end