Experiments/Attic/Generator/Castle.ActiveRecord.Generator.Components/BuildContext.cs

   1 // Copyright 2004-2007 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.ActiveRecord.Generator.Components
  16 {
  17         using System;
  18         using System.Collections;
  19
  20         using Castle.ActiveRecord.Generator.Components.Database;
  21
  22
  23         public class BuildContext
  24         {
  25                 private IDictionary _key2Desc = new Hashtable();
  26                 private IList _newlyCreated = new ArrayList();
  27
  28                 public BuildContext()
  29                 {
  30                 }
  31
  32                 public IList NewlyCreatedDescriptors
  33                 {
  34                         get { return _newlyCreated; }
  35                 }
  36
  37                 public void AddPendentDescriptor(object key, ActiveRecordDescriptor descriptor)
  38                 {
  39                         if (!_key2Desc.Contains(key))
  40                         {
  41                                 _key2Desc[key] = descriptor;
  42                         }
  43                 }
  44
  45                 public void IgnorePendent(object key)
  46                 {
  47                         _key2Desc.Remove(key);
  48                 }
  49
  50                 public void RemovePendent(ActiveRecordDescriptor descriptor)
  51                 {
  52                         foreach(DictionaryEntry entry in _key2Desc)
  53                         {
  54                                 if (entry.Value == descriptor)
  55                                 {
  56                                         _key2Desc.Remove(entry.Key);
  57                                         break;
  58                                 }
  59                         }
  60
  61                         AddToNewlyCreated(descriptor);
  62                 }
  63
  64                 private void AddToNewlyCreated(ActiveRecordDescriptor descriptor)
  65                 {
  66                         if (!_newlyCreated.Contains(descriptor))
  67                         {
  68                                 _newlyCreated.Add(descriptor);
  69                         }
  70                 }
  71
  72                 public bool HasPendents
  73                 {
  74                         get { return (_key2Desc.Count != 0); }
  75                 }
  76
  77                 public ActiveRecordDescriptor GetNextPendent()
  78                 {
  79                         if (HasPendents)
  80                         {
  81                                 foreach(DictionaryEntry entry in _key2Desc)
  82                                 {
  83                                         return entry.Value as ActiveRecordDescriptor;
  84                                 }
  85                         }
  86
  87                         return null;
  88                 }
  89         }
  90 }