Class: Tsquery

Inherits:
Object
  • Object
show all
Defined in:
lib/tsquery.rb

Direct Known Subclasses

LazyTsquery, RetryingTsquery

Defined Under Namespace

Classes: Error, UnknownCommand

Instance Method Summary collapse

Constructor Details

#initialize(logger: Logger.new(STDOUT)) ⇒ Tsquery

Returns a new instance of Tsquery.



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# File 'lib/tsquery.rb', line 6

def initialize(logger: Logger.new(STDOUT))
  @logger = logger
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(command, *args) ⇒ Object 



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# File 'lib/tsquery.rb', line 59

def method_missing(command, *args)
  execute(command.to_s, *args)
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/tsquery.rb', line 75

def close
  @telnet.close
end

#connect(server: '127.0.0.1', port: '10011', telnet_class: Net::Telnet) ⇒ Object 



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# File 'lib/tsquery.rb', line 69

def connect(server: '127.0.0.1', port: '10011', telnet_class: Net::Telnet)
  @telnet = telnet_class.new('Host' => server, 'Port' => port, 'Waittime' => 0.1)
  @telnet.waitfor 'Match' => /^TS3\n/
end

#execute(command, *args) ⇒ Object 



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# File 'lib/tsquery.rb', line 11

def execute(command, *args)
  args = args.each_with_object([]) do |arg, array|
    case arg
    when Integer
      array << arg.to_s
    when String
      array << arg
    when Hash
      arg.each do |key, value|
        array << "#{key}=#{value.to_s.gsub(ESCAPE_PATTERNS_REGEXP, ESCAPE_PATTERNS)}"
      end
    end
  end

  full_command = ([command] + args).join(' ')
  @logger.info "=> #{full_command}"

  case command
  when /list$/
    parse_list(@telnet.cmd(
      'String'  => full_command,
      'Timeout' => 3,
      'Match'   => /error id=\d+/
    ))
  when /info$/, 'whoami', 'version', 'clientgetdbidfromuid'
    parse_info(@telnet.cmd(
      'String'  => full_command,
      'Timeout' => 3,
      'Match'   => /error id=\d+/
    ))
  else
    parse(@telnet.cmd(
      'String'  => full_command,
      'Timeout' => 3,
      'Match'   => /^error id=\d+/
    ))
  end
end

#login(username: 'serveradmin', password:) ⇒ Object 



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# File 'lib/tsquery.rb', line 51

def (username: 'serveradmin', password:)
  execute 'login', username, password
  true
rescue Error
  false
end

#respond_to_missing?(command) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tsquery.rb', line 64

def respond_to_missing?(command, *)
  !!(command =~ /[[:alnum:]]$/)
end