Class: Mysql::ParserProvider
- Inherits:
-
Object
- Object
- Mysql::ParserProvider
- Defined in:
- lib/flydata/parser_provider.rb
Constant Summary collapse
- @@mutex =
Mutex.new
- @@parsers =
{}
Class Method Summary collapse
Class Method Details
.parser(db_type, parser_type) ⇒ Object
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# File 'lib/flydata/parser_provider.rb', line 11 def self.parser(db_type, parser_type) key = [db_type.to_s, parser_type.to_s].join("::").to_s @@mutex.synchronize do if @@parsers[key] return @@parsers[key] else # lazy load treetop_path = File.join( File.(File.dirname(__FILE__)), "parser/#{db_type}/#{parser_type}.treetop") Treetop.load treetop_path @@parsers[key] = "#{parser_type}_parser".camelize.constantize end end end |