Class: Canals::Session

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Includes:
Enumerable
Defined in:
lib/canals/session.rb

Constant Summary collapse

BASIC_FIELDS = 
[:name, :pid, :socket]

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Session

Returns a new instance of Session.



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# File 'lib/canals/session.rb', line 13

def initialize
  @session = load_session(session_file)
end

Instance Method Details

#add(session, save = true) ⇒ Object 



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# File 'lib/canals/session.rb', line 31

def add(session, save=true)
  @session.push(session)
  save! if save
end

#alive?(session_id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/canals/session.rb', line 62

def alive?(session_id)
  sess = get(session_id)
  File.exist?(sess[:socket])
end

#del(name, save = true) ⇒ Object 



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# File 'lib/canals/session.rb', line 36

def del(name, save=true)
  @session.delete_if{ |s| s[:name] == name }
  save! if save
end

#each(&block) ⇒ Object 



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# File 'lib/canals/session.rb', line 19

def each(&block)
  @session.each(&block)
end

#each_obj(&block) ⇒ Object 



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# File 'lib/canals/session.rb', line 23

def each_obj(&block)
  @session.map{|sess| CanalOptions.new(fill_from_repository(sess))}.each(&block)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/canals/session.rb', line 27

def empty?
  @session.empty?
end

#get(session_id) ⇒ Object 



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# File 'lib/canals/session.rb', line 41

def get(session_id)
  sess = nil
  case session_id
  when Numeric
    sess = @session.find{ |s| s[:pid] == session_id }
  when String
    sess = @session.find{ |s| s[:name] == session_id }
  end
  fill_from_repository(sess) if sess
end

#get_obj(session_id) ⇒ Object 



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# File 'lib/canals/session.rb', line 52

def get_obj(session_id)
  sess = get(session_id)
  return nil if sess.nil?
  CanalOptions.new(sess)
end

#has?(session_id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/canals/session.rb', line 58

def has?(session_id)
  get(session_id) != nil
end

#save! ⇒ Object 



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# File 'lib/canals/session.rb', line 67

def save!
  FileUtils.mkdir_p(session_file.dirname)
  Canals::Tools::YAML.dump_file(session_file, @session)
end