# File merb-core/lib/merb-core/dispatch/session.rb, line 115
115:       def self.included(base)
116:         base.extend ClassMethods
117:         
118:         # Keep track of all known session store types.
119:         base.cattr_accessor :registered_session_types
120:         base.registered_session_types = Dictionary.new
121:         base.class_inheritable_accessor :_session_id_key, :_session_secret_key,
122:                                         :_session_expiry
123:         
124:         base._session_id_key        = Merb::Config[:session_id_key] || '_session_id'
125:         base._session_expiry        = Merb::Config[:session_expiry] || 0
126:         base._session_secret_key    = Merb::Config[:session_secret_key]
127:       end

     # File merb-core/lib/merb-core/dispatch/session.rb, line 231
231:       def default_cookies
232:         defaults = {}
233:         if route && route.allow_fixation? && params.key?(_session_id_key)
234:           Merb.logger.info("Fixated session id: #{_session_id_key}")
235:           defaults[_session_id_key] = params[_session_id_key]
236:         end
237:         defaults
238:       end

     # File merb-core/lib/merb-core/dispatch/session.rb, line 148
148:       def default_session_store
149:         Merb::Config[:session_store] && Merb::Config[:session_store].to_sym
150:       end

     # File merb-core/lib/merb-core/dispatch/session.rb, line 266
266:       def destroy_session_cookie
267:         cookies.delete(_session_id_key)
268:       end

     # File merb-core/lib/merb-core/dispatch/session.rb, line 223
223:       def finalize_session
224:         session_stores.each { |name, store| store.finalize(self) }
225:       end

     # File merb-core/lib/merb-core/dispatch/session.rb, line 176
176:       def session(session_store = nil)
177:         session_store ||= default_session_store
178:         if class_name = self.class.registered_session_types[session_store]
179:           session_stores[session_store] ||= Object.full_const_get(class_name).setup(self)
180:         elsif fallback = self.class.registered_session_types.keys.first
181:           Merb.logger.warn "Session store '#{session_store}' not found. Check your configuration in init file."
182:           Merb.logger.warn "Falling back to #{fallback} session store."
183:           session(fallback)
184:         else
185:           msg = "No session store set. Set it in init file like this: c[:session_store] = 'activerecord'"
186:           Merb.logger.error!(msg)
187:           raise NoSessionContainer, msg            
188:         end
189:       end

     # File merb-core/lib/merb-core/dispatch/session.rb, line 198
198:       def session=(new_session)
199:         if self.session?(new_session.class.session_store_type)
200:           original_session_id = self.session(new_session.class.session_store_type).session_id
201:           if new_session.session_id != original_session_id
202:             set_session_id_cookie(new_session.session_id)
203:           end
204:         end
205:         session_stores[new_session.class.session_store_type] = new_session
206:       end

     # File merb-core/lib/merb-core/dispatch/session.rb, line 214
214:       def session?(session_store = nil)
215:         (session_store ? [session_store] : session_stores).any? do |type, store|
216:           store.is_a?(Merb::SessionContainer)
217:         end
218:       end

     # File merb-core/lib/merb-core/dispatch/session.rb, line 258
258:       def session_cookie_value
259:         cookies[_session_id_key]
260:       end

     # File merb-core/lib/merb-core/dispatch/session.rb, line 156
156:       def session_stores
157:         @session_stores ||= {}
158:       end

     # File merb-core/lib/merb-core/dispatch/session.rb, line 247
247:       def set_session_cookie_value(value, options = {})
248:         defaults = {}
249:         defaults[:expires] = Time.now + _session_expiry if _session_expiry > 0
250:         cookies.set_cookie(_session_id_key, value, defaults.merge(options))
251:       end