Method: Bio::FlatFileIndex#include?

Defined in:
lib/bio/io/flatfile/index.rb

#include?(key) ⇒ Boolean

Searching databank. If some entries are found, returns an array of unique IDs (primary identifiers). If not found anything, returns nil.

This method is useful when search result is very large and #search method is very slow.

Returns:

  • (Boolean) 


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# File 'lib/bio/io/flatfile/index.rb', line 210

def include?(key)
  check_closed?
  if @names then
    r = @db.search_namespaces_get_unique_id(key, *@names)
  else
    r = @db.search_all_get_unique_id(key)
  end
  if r.empty? then
    nil
  else
    r
  end
end