Facilities/Prevalence/Castle.Facilities.Prevalence/PrevalenceSystemComponentActivator.cs

   1 // Copyright 2004-2008 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace Castle.Facilities.Prevalence
  16 {
  17         using System;
  18
  19         using Bamboo.Prevalence;
  20
  21         using Castle.Core;
  22
  23         using Castle.MicroKernel.ComponentActivator;
  24         using Castle.MicroKernel;
  25
  26         /// <summary>
  27         /// Summary description for PrevalenceSystemComponentActivator.
  28         /// </summary>
  29         public class PrevalenceSystemComponentActivator : DefaultComponentActivator
  30         {
  31                 public PrevalenceSystemComponentActivator(ComponentModel model, IKernel kernel,
  32                         ComponentInstanceDelegate onCreation,
  33                         ComponentInstanceDelegate onDestruction) : base(model, kernel, onCreation, onDestruction)
  34                 {
  35                 }
  36
  37                 /// <summary>
  38                 /// To obtain the system instance, we obtain
  39                 /// the engine id that holds this system and use the
  40                 /// apropriate property
  41                 /// </summary>
  42                 /// <returns></returns>
  43                 protected override object Instantiate(Castle.MicroKernel.CreationContext context)
  44                 {
  45                         String engineId = (String)
  46                                 Model.ExtendedProperties[PrevalenceFacility.EngineIdPropertyKey];
  47
  48                         PrevalenceEngine engine = (PrevalenceEngine) Kernel[engineId];
  49
  50                         return engine.PrevalentSystem;
  51                 }
  52         }
  53 }