Core/Castle.Core/Model/ConstructorCandidateCollection.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.Core
  16 {
  17         using System;
  18         using System.Collections;
  19
  20         /// <summary>
  21         /// Collection of <see cref="ConstructorCandidate"/>
  22         /// </summary>
  23 #if !SILVERLIGHT
  24         [Serializable]
  25 #endif
  26         public class ConstructorCandidateCollection : ReadOnlyCollectionBase
  27         {
  28                 private bool hasAmbiguousFewerArgumentsCandidate;
  29                 private ConstructorCandidate fewerArgumentsCandidate;
  30
  31                 /// <summary>
  32                 /// Adds the specified candidate.
  33                 /// </summary>
  34                 /// <param name="candidate">The candidate.</param>
  35                 public void Add(ConstructorCandidate candidate)
  36                 {
  37                         if (fewerArgumentsCandidate == null)
  38                         {
  39                                 fewerArgumentsCandidate = candidate;
  40                                 hasAmbiguousFewerArgumentsCandidate = false;
  41                         }
  42                         else
  43                         {
  44                                 int constructorParamCount = candidate.Constructor.GetParameters().Length;
  45                                 int fewerArgumentsCount = fewerArgumentsCandidate.Constructor.GetParameters().Length;
  46
  47                                 if (constructorParamCount < fewerArgumentsCount)
  48                                 {
  49                                         fewerArgumentsCandidate = candidate;
  50                                 }
  51                                 else if (constructorParamCount == fewerArgumentsCount)
  52                                 {
  53                                         hasAmbiguousFewerArgumentsCandidate = true;
  54                                 }
  55                         }
  56
  57                         InnerList.Add(candidate);
  58                 }
  59
  60                 /// <summary>
  61                 /// Gets the fewer arguments candidate.
  62                 /// </summary>
  63                 /// <value>The fewer arguments candidate.</value>
  64                 public ConstructorCandidate FewerArgumentsCandidate
  65                 {
  66                         get { return fewerArgumentsCandidate; }
  67                 }
  68
  69                 public bool HasAmbiguousFewerArgumentsCandidate
  70                 {
  71                         get { return hasAmbiguousFewerArgumentsCandidate; }
  72                 }
  73
  74                 /// <summary>
  75                 /// Clears this instance.
  76                 /// </summary>
  77                 public void Clear()
  78                 {
  79                         InnerList.Clear();
  80                 }
  81         }
  82 }