Class: CGI::Session::MemoryStore

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

Overview

In-memory session storage class.

Implements session storage as a global in-memory hash. Session data will only persist for as long as the Ruby interpreter instance does.

Constant Summary collapse

GLOBAL_HASH_TABLE =

:nodoc:

{}

Instance Method Summary collapse

Constructor Details

#initialize(session, option = nil) ⇒ MemoryStore

Create a new MemoryStore instance.

session is the session this instance is associated with. option is a list of initialisation options. None are currently recognized.



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# File 'lib/cgi/session.rb', line 488

def initialize(session, option=nil)
  @session_id = session.session_id
  unless GLOBAL_HASH_TABLE.key?(@session_id)
    unless session.new_session
      raise CGI::Session::NoSession, "uninitialized session"
    end
    GLOBAL_HASH_TABLE[@session_id] = {}
  end
end

Instance Method Details

#close ⇒ Object

Close session storage.

A no-op.



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# File 'lib/cgi/session.rb', line 515

def close
  # don't need to close
end

#delete ⇒ Object

Delete the session state.



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# File 'lib/cgi/session.rb', line 520

def delete
  GLOBAL_HASH_TABLE.delete(@session_id)
end

#restore ⇒ Object

Restore session state.

Returns session data as a hash.



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# File 'lib/cgi/session.rb', line 501

def restore
  GLOBAL_HASH_TABLE[@session_id]
end

#update ⇒ Object

Update session state.

A no-op.



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# File 'lib/cgi/session.rb', line 508

def update
  # don't need to update; hash is shared
end