Class: LazyTsquery

Inherits:
Tsquery show all
Defined in:
lib/lazy_tsquery.rb

Overview

LazyTsquery delays the connection and the execution of following commands (‘use`, `login`) until another command is executed. This allows to create ready-to-use Tsquery objects without ever hitting the server.

Instance Method Summary collapse

Methods inherited from Tsquery

#initialize

Constructor Details

This class inherits a constructor from Tsquery

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(command, *args) ⇒ Object 



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# File 'lib/lazy_tsquery.rb', line 44

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

Instance Method Details

#close ⇒ Object 



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# File 'lib/lazy_tsquery.rb', line 67

def close
  __getobj__.close
rescue NoMethodError
end

#connect(lazy: true, **kwargs) ⇒ Object 



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

def connect(lazy: true, **kwargs)
  if lazy
    @connection_info = kwargs
    nil
  else
    super(**kwargs)
  end
end

#execute(command, *args) ⇒ Object 



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# File 'lib/lazy_tsquery.rb', line 21

def execute(command, *args)
  case command
  when 'use', 'login'
    @commands ||= []
    @commands << [command, args]

    nil
  else
    connect **@connection_info, lazy: false

    @commands.each do |command, args|
      super(command, *args)
    end
    @commands = []

    super
  end
end

#inspect ⇒ Object 



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# File 'lib/lazy_tsquery.rb', line 62

def inspect
  __getobj__.inspect
end

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



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# File 'lib/lazy_tsquery.rb', line 54

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

#respond_to_missing?(command) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lazy_tsquery.rb', line 49

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