Class: Colloquy::Helpers::MySQL::MySQLProxy

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/colloquy/helpers/mysql.rb

Constant Summary collapse

DEFAULT_OPTIONS = 
{ :host => "localhost", :port => 3306, :socket => "/tmp/mysql.sock", :username => "root", :password => "", :reconnect => true, :pool => 5}

Instance Method Summary collapse

Constructor Details

#initialize ⇒ MySQLProxy

Returns a new instance of MySQLProxy.



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# File 'lib/colloquy/helpers/mysql.rb', line 26

def initialize
  @configured = false
end

Instance Method Details

#[](identifier) ⇒ Object 



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# File 'lib/colloquy/helpers/mysql.rb', line 60

def [](identifier)
  unless @mysql_db_connections[identifier.to_sym]
    raise Colloquy::MySQLConnectionNotFoundException, "A connection for #{identifier} was not found, did you mis-spell or forget to configure it?"
  end
        
  @mysql_db_connections[identifier.to_sym]
end

#configuration ⇒ Object 



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# File 'lib/colloquy/helpers/mysql.rb', line 68

def configuration
  @mysql_configuration_entries
end

#configure ⇒ Object 



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# File 'lib/colloquy/helpers/mysql.rb', line 30

def configure
  return if configured?
  configure!
end

#configure! ⇒ Object 



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# File 'lib/colloquy/helpers/mysql.rb', line 35

def configure!
  unless mysql_configuration_file.exist?
    raise Colloquy::MySQLConfigurationNotFoundException, "Cannot find #{mysql_configuration_file}"
  end

  begin
    require_mysql_libraries
  rescue LoadError
    raise Colloquy::MySQLGemsNotFoundException, "Cannot load the mysql2 gem."
  end    

  @mysql_db_connections ||= {}
  mysql_configuration_load
  
  @configured = true
end

#configured? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/colloquy/helpers/mysql.rb', line 52

def configured?
  @configured
end

#require_mysql_libraries ⇒ Object 



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# File 'lib/colloquy/helpers/mysql.rb', line 56

def require_mysql_libraries
  require "em-synchrony/mysql2"
end