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| <li class="navelem"><a class="el" href="dir_1efe588324fc547683bba4a3f1bac847.html">core</a></li><li class="navelem"><a class="el" href="dir_42d6a63c575cefe61684dace41b3efd9.html">Support</a></li> </ul> |
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| <div class="title">HashMap.cs</div> </div> |
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| <a href="_hash_map_8cs.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * distributed with this work for additional information</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * with the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * software distributed under the License is distributed on an</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * KIND, either express or implied. See the License for the</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * specific language governing permissions and limitations</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * under the License.</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">*/</span></div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">using</span> System;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">using</span> System.Collections;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">using</span> System.Collections.Generic;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>Lucene.Net.Support</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> {</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  [Serializable]</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html"> 56</a></span>  <span class="keyword">public</span> <span class="keyword">class </span>HashMap<TKey, TValue> : IDictionary<TKey, TValue></div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  {</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">internal</span> IEqualityComparer<TKey> _comparer;</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">internal</span> Dictionary<TKey, TValue> _dict;</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// Indicates if a null key has been assigned, used for iteration</span></div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">private</span> <span class="keywordtype">bool</span> _hasNullValue;</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// stores the value for the null key</span></div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">private</span> TValue _nullValue;</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// Indicates the type of key is a non-nullable valuetype</span></div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">private</span> <span class="keywordtype">bool</span> _isValueType;</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> |
| <div class="line"><a name="l00068"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#a1dfbc33a47a0b463169d32a031247167"> 68</a></span>  <span class="keyword">public</span> HashMap()</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  : this(0)</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  { }</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div> |
| <div class="line"><a name="l00072"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#a072b3b1a1e134eceeacde75c6d4bb53b"> 72</a></span>  <span class="keyword">public</span> HashMap(IEqualityComparer<TKey> comparer)</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  : this(0, comparer)</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  {</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  </div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div> |
| <div class="line"><a name="l00078"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#a26532a78386b48f52407cdf601de7ffe"> 78</a></span>  <span class="keyword">public</span> HashMap(<span class="keywordtype">int</span> initialCapacity)</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  : this(initialCapacity, EqualityComparer<TKey>.Default)</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  {</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div> |
| <div class="line"><a name="l00084"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#a177fd2ff24dadb5926e136f6890f1171"> 84</a></span>  <span class="keyword">public</span> HashMap(<span class="keywordtype">int</span> initialCapacity, IEqualityComparer<TKey> comparer)</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  {</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  _comparer = comparer;</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  _dict = <span class="keyword">new</span> Dictionary<TKey, TValue>(initialCapacity, _comparer);</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  _hasNullValue = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> (typeof(TKey).IsValueType)</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  _isValueType = Nullable.GetUnderlyingType(typeof(TKey)) == null;</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div> |
| <div class="line"><a name="l00096"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#ab0487538b3ca27c7fcbec3578ab203e6"> 96</a></span>  <span class="keyword">public</span> HashMap(IEnumerable<KeyValuePair<TKey, TValue>> other)</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  : this(0)</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  {</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">foreach</span> (var kvp <span class="keywordflow">in</span> other)</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  {</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  Add(kvp.Key, kvp.Value);</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> |
| <div class="line"><a name="l00105"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#a3f4ee118496e60dfa1da970bba3c4e82"> 105</a></span>  <span class="keyword">public</span> <span class="keywordtype">bool</span> ContainsValue(TValue value)</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  {</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">if</span> (!_isValueType && _hasNullValue && _nullValue.Equals(value))</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> _dict.ContainsValue(value);</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor"> #region Implementation of IEnumerable</span></div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00115"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#aff0464bbe53bad82c72208f89e45a8a1"> 115</a></span>  <span class="keyword">public</span> IEnumerator<KeyValuePair<TKey, TValue>> GetEnumerator()</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  {</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (!_isValueType && _hasNullValue)</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  {</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  yield <span class="keywordflow">return</span> <span class="keyword">new</span> KeyValuePair<TKey, TValue>(<span class="keywordflow">default</span>(TKey), _nullValue);</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">foreach</span> (var kvp <span class="keywordflow">in</span> _dict)</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  {</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  yield <span class="keywordflow">return</span> kvp;</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  IEnumerator IEnumerable.GetEnumerator()</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  {</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">return</span> GetEnumerator();</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="preprocessor"> #endregion</span></div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor"> #region Implementation of ICollection<KeyValuePair<TKey,TValue>></span></div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordtype">void</span> ICollection<KeyValuePair<TKey, TValue>>.Add(KeyValuePair<TKey, TValue> item)</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  {</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  Add(item.Key, item.Value);</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div> |
| <div class="line"><a name="l00141"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#a428bcf750f124ae6f8a412e78abdd0e3"> 141</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> Clear()</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  {</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  _hasNullValue = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  _nullValue = <span class="keywordflow">default</span>(TValue);</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  _dict.Clear();</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordtype">bool</span> ICollection<KeyValuePair<TKey, TValue>>.Contains(KeyValuePair<TKey, TValue> item)</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  {</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> (!_isValueType && _comparer.Equals(item.Key, <span class="keywordflow">default</span>(TKey)))</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  {</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">return</span> _hasNullValue && EqualityComparer<TValue>.Default.Equals(item.Value, _nullValue);</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">return</span> ((ICollection<KeyValuePair<TKey, TValue>>)_dict).Contains(item);</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordtype">void</span> ICollection<KeyValuePair<TKey, TValue>>.CopyTo(KeyValuePair<TKey, TValue>[] array, <span class="keywordtype">int</span> arrayIndex)</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  {</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  ((ICollection<KeyValuePair<TKey, TValue>>) _dict).CopyTo(array, arrayIndex);</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span>(!_isValueType && _hasNullValue)</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  {</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  array[array.Length - 1] = <span class="keyword">new</span> KeyValuePair<TKey, TValue>(<span class="keywordflow">default</span>(TKey), _nullValue);</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  }</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div> |
| <div class="line"><a name="l00167"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#ac053def3b2354686f35ccda0b746fc21"> 167</a></span>  <span class="keyword">public</span> <span class="keywordtype">bool</span> Remove(KeyValuePair<TKey, TValue> item)</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  {</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (!_isValueType && _comparer.Equals(item.Key, <span class="keywordflow">default</span>(TKey)))</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  {</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> (!_hasNullValue)</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  _hasNullValue = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  _nullValue = <span class="keywordflow">default</span>(TValue);</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> ((ICollection<KeyValuePair<TKey, TValue>>)_dict).Remove(item);</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keyword">public</span> <span class="keywordtype">int</span> Count</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#a40c4a4e928fa245b719baf358c634601"> 183</a></span>  {</div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> _dict.Count + (_hasNullValue ? 1 : 0); }</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">public</span> <span class="keywordtype">bool</span> IsReadOnly</div> |
| <div class="line"><a name="l00188"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#aad3d523155ad6c8f5a2a8c69679758c1"> 188</a></span>  {</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="preprocessor"> #endregion</span></div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="preprocessor"> #region Implementation of IDictionary<TKey,TValue></span></div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00196"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#a2ff192eb5c8b6a42511c33eb1928b638"> 196</a></span>  <span class="keyword">public</span> <span class="keywordtype">bool</span> ContainsKey(TKey key)</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  {</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> (!_isValueType && _comparer.Equals(key, <span class="keywordflow">default</span>(TKey)))</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  {</div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (_hasNullValue)</div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  {</div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  }</div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span> _dict.ContainsKey(key);</div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div> |
| <div class="line"><a name="l00210"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#ab773be5725b6687260c25f6f63c62661"> 210</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> Add(TKey key, TValue value)</div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  {</div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">if</span> (!_isValueType && _comparer.Equals(key, <span class="keywordflow">default</span>(TKey)))</div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  {</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  _hasNullValue = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  _nullValue = value;</div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  }</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  {</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  _dict[key] = value;</div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  }</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div> |
| <div class="line"><a name="l00223"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#a1e5772005ad2226e1fc426d14f4eb858"> 223</a></span>  <span class="keyword">public</span> <span class="keywordtype">bool</span> Remove(TKey key)</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  {</div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">if</span> (!_isValueType && _comparer.Equals(key, <span class="keywordflow">default</span>(TKey)))</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  {</div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  _hasNullValue = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  _nullValue = <span class="keywordflow">default</span>(TValue);</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  {</div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> _dict.Remove(key);</div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  }</div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span> </div> |
| <div class="line"><a name="l00237"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#a91fbf23aa1ee2356c23438da3dca0bcf"> 237</a></span>  <span class="keyword">public</span> <span class="keywordtype">bool</span> TryGetValue(TKey key, out TValue value)</div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  {</div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">if</span> (!_isValueType && _comparer.Equals(key, <span class="keywordflow">default</span>(TKey)))</div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  {</div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">if</span> (_hasNullValue)</div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  {</div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  value = _nullValue;</div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  }</div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span> </div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  value = <span class="keywordflow">default</span>(TValue);</div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</div> |
| <div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  {</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">return</span> _dict.TryGetValue(key, out value);</div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  }</div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  }</div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keyword">public</span> TValue <span class="keyword">this</span>[TKey key]</div> |
| <div class="line"><a name="l00257"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#a0d4f0551d9ddcbf12330915abe31ccc9"> 257</a></span>  {</div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keyword">get</span></div> |
| <div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  {</div> |
| <div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordflow">if</span> (!_isValueType && _comparer.Equals(key, <span class="keywordflow">default</span>(TKey)))</div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  {</div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">if</span> (!_hasNullValue)</div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  {</div> |
| <div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">return</span> <span class="keywordflow">default</span>(TValue);</div> |
| <div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">return</span> _nullValue;</div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  }</div> |
| <div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">return</span> _dict.ContainsKey(key) ? _dict[key] : <span class="keywordflow">default</span>(TValue);</div> |
| <div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  }</div> |
| <div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keyword">set</span> { Add(key, value); }</div> |
| <div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  }</div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span> </div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keyword">public</span> ICollection<TKey> Keys</div> |
| <div class="line"><a name="l00274"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#ae70897c4d190b88a25b908d1d8769e53"> 274</a></span>  {</div> |
| <div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keyword">get</span></div> |
| <div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  {</div> |
| <div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">if</span> (!_hasNullValue) <span class="keywordflow">return</span> _dict.Keys;</div> |
| <div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div> |
| <div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">// Using a List<T> to generate an ICollection<TKey></span></div> |
| <div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">// would incur a costly copy of the dict's KeyCollection</span></div> |
| <div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="comment">// use out own wrapper instead</span></div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> NullKeyCollection(_dict);</div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  }</div> |
| <div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  }</div> |
| <div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div> |
| <div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keyword">public</span> ICollection<TValue> Values</div> |
| <div class="line"><a name="l00287"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_hash_map_3_01_t_key_00_01_t_value_01_4.html#a6edd88a62e7eb9ad487ecafb1d6459f0"> 287</a></span>  {</div> |
| <div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keyword">get</span></div> |
| <div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  {</div> |
| <div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">if</span> (!_hasNullValue) <span class="keywordflow">return</span> _dict.Values;</div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div> |
| <div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="comment">// Using a List<T> to generate an ICollection<TValue></span></div> |
| <div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="comment">// would incur a costly copy of the dict's ValueCollection</span></div> |
| <div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="comment">// use out own wrapper instead</span></div> |
| <div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> NullValueCollection(_dict, _nullValue);</div> |
| <div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  }</div> |
| <div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  }</div> |
| <div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div> |
| <div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="preprocessor"> #endregion</span></div> |
| <div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="preprocessor"> #region NullValueCollection</span></div> |
| <div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keyword">class </span>NullValueCollection : ICollection<TValue></div> |
| <div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  {</div> |
| <div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keyword">private</span> readonly TValue _nullValue;</div> |
| <div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keyword">private</span> readonly Dictionary<TKey, TValue> _internalDict;</div> |
| <div class="line"><a name="l00311"></a><span class="lineno"> 311</span> </div> |
| <div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keyword">public</span> NullValueCollection(Dictionary<TKey, TValue> dict, TValue nullValue)</div> |
| <div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  {</div> |
| <div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  _internalDict = dict;</div> |
| <div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  _nullValue = nullValue;</div> |
| <div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  }</div> |
| <div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div> |
| <div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="preprocessor"> #region Implementation of IEnumerable</span></div> |
| <div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keyword">public</span> IEnumerator<TValue> GetEnumerator()</div> |
| <div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  {</div> |
| <div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  yield <span class="keywordflow">return</span> _nullValue;</div> |
| <div class="line"><a name="l00323"></a><span class="lineno"> 323</span> </div> |
| <div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="keywordflow">foreach</span> (var val <span class="keywordflow">in</span> _internalDict.Values)</div> |
| <div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  {</div> |
| <div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  yield <span class="keywordflow">return</span> val;</div> |
| <div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  }</div> |
| <div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  }</div> |
| <div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div> |
| <div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  IEnumerator IEnumerable.GetEnumerator()</div> |
| <div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  {</div> |
| <div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">return</span> GetEnumerator();</div> |
| <div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  }</div> |
| <div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div> |
| <div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="preprocessor"> #endregion</span></div> |
| <div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="preprocessor"> #region Implementation of ICollection<TValue></span></div> |
| <div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keyword">public</span> <span class="keywordtype">void</span> CopyTo(TValue[] array, <span class="keywordtype">int</span> arrayIndex)</div> |
| <div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  {</div> |
| <div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> NotImplementedException(<span class="stringliteral">"Implement as needed"</span>);</div> |
| <div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  }</div> |
| <div class="line"><a name="l00343"></a><span class="lineno"> 343</span> </div> |
| <div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keyword">public</span> <span class="keywordtype">int</span> Count</div> |
| <div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  {</div> |
| <div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> _internalDict.Count + 1; }</div> |
| <div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  }</div> |
| <div class="line"><a name="l00348"></a><span class="lineno"> 348</span> </div> |
| <div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keyword">public</span> <span class="keywordtype">bool</span> IsReadOnly</div> |
| <div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  {</div> |
| <div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div> |
| <div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  }</div> |
| <div class="line"><a name="l00353"></a><span class="lineno"> 353</span> </div> |
| <div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="preprocessor"> #region Explicit Interface Methods</span></div> |
| <div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordtype">void</span> ICollection<TValue>.Add(TValue item)</div> |
| <div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  {</div> |
| <div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> NotSupportedException();</div> |
| <div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  }</div> |
| <div class="line"><a name="l00360"></a><span class="lineno"> 360</span> </div> |
| <div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordtype">void</span> ICollection<TValue>.Clear()</div> |
| <div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  {</div> |
| <div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> NotSupportedException();</div> |
| <div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  }</div> |
| <div class="line"><a name="l00365"></a><span class="lineno"> 365</span> </div> |
| <div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordtype">bool</span> ICollection<TValue>.Contains(TValue item)</div> |
| <div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  {</div> |
| <div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> NotSupportedException();</div> |
| <div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  }</div> |
| <div class="line"><a name="l00370"></a><span class="lineno"> 370</span> </div> |
| <div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordtype">bool</span> ICollection<TValue>.Remove(TValue item)</div> |
| <div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  {</div> |
| <div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> NotSupportedException(<span class="stringliteral">"Collection is read only!"</span>);</div> |
| <div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  }</div> |
| <div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="preprocessor"> #endregion</span></div> |
| <div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="preprocessor"> #endregion</span></div> |
| <div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="preprocessor"></span> }</div> |
| <div class="line"><a name="l00379"></a><span class="lineno"> 379</span> </div> |
| <div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="preprocessor"> #endregion</span></div> |
| <div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="preprocessor"> #region NullKeyCollection</span></div> |
| <div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00384"></a><span class="lineno"> 384</span> </div> |
| <div class="line"><a name="l00385"></a><span class="lineno"> 385</span> </div> |
| <div class="line"><a name="l00386"></a><span class="lineno"> 386</span> </div> |
| <div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keyword">class </span>NullKeyCollection : ICollection<TKey></div> |
| <div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  {</div> |
| <div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keyword">private</span> readonly Dictionary<TKey, TValue> _internalDict;</div> |
| <div class="line"><a name="l00390"></a><span class="lineno"> 390</span> </div> |
| <div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keyword">public</span> NullKeyCollection(Dictionary<TKey, TValue> dict)</div> |
| <div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  {</div> |
| <div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  _internalDict = dict;</div> |
| <div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  }</div> |
| <div class="line"><a name="l00395"></a><span class="lineno"> 395</span> </div> |
| <div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keyword">public</span> IEnumerator<TKey> GetEnumerator()</div> |
| <div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  {</div> |
| <div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  yield <span class="keywordflow">return</span> <span class="keywordflow">default</span>(TKey);</div> |
| <div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">foreach</span> (var key <span class="keywordflow">in</span> _internalDict.Keys)</div> |
| <div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  {</div> |
| <div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  yield <span class="keywordflow">return</span> key;</div> |
| <div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  }</div> |
| <div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  }</div> |
| <div class="line"><a name="l00404"></a><span class="lineno"> 404</span> </div> |
| <div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  IEnumerator IEnumerable.GetEnumerator()</div> |
| <div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  {</div> |
| <div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">return</span> GetEnumerator();</div> |
| <div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  }</div> |
| <div class="line"><a name="l00409"></a><span class="lineno"> 409</span> </div> |
| <div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="keyword">public</span> <span class="keywordtype">void</span> CopyTo(TKey[] array, <span class="keywordtype">int</span> arrayIndex)</div> |
| <div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  {</div> |
| <div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> NotImplementedException(<span class="stringliteral">"Implement this as needed"</span>);</div> |
| <div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  }</div> |
| <div class="line"><a name="l00414"></a><span class="lineno"> 414</span> </div> |
| <div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keyword">public</span> <span class="keywordtype">int</span> Count</div> |
| <div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  {</div> |
| <div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> _internalDict.Count + 1; }</div> |
| <div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  }</div> |
| <div class="line"><a name="l00419"></a><span class="lineno"> 419</span> </div> |
| <div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keyword">public</span> <span class="keywordtype">bool</span> IsReadOnly</div> |
| <div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  {</div> |
| <div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div> |
| <div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  }</div> |
| <div class="line"><a name="l00424"></a><span class="lineno"> 424</span> </div> |
| <div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="preprocessor"> #region Explicit Interface Definitions</span></div> |
| <div class="line"><a name="l00426"></a><span class="lineno"> 426</span> <span class="preprocessor"></span> <span class="keywordtype">bool</span> ICollection<TKey>.Contains(TKey item)</div> |
| <div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  {</div> |
| <div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> NotSupportedException();</div> |
| <div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div> |
| <div class="line"><a name="l00430"></a><span class="lineno"> 430</span> </div> |
| <div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keywordtype">void</span> ICollection<TKey>.Add(TKey item)</div> |
| <div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  {</div> |
| <div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> NotSupportedException();</div> |
| <div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  }</div> |
| <div class="line"><a name="l00435"></a><span class="lineno"> 435</span> </div> |
| <div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordtype">void</span> ICollection<TKey>.Clear()</div> |
| <div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  {</div> |
| <div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> NotSupportedException();</div> |
| <div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  }</div> |
| <div class="line"><a name="l00440"></a><span class="lineno"> 440</span> </div> |
| <div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordtype">bool</span> ICollection<TKey>.Remove(TKey item)</div> |
| <div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  {</div> |
| <div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> NotSupportedException();</div> |
| <div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  }</div> |
| <div class="line"><a name="l00445"></a><span class="lineno"> 445</span> <span class="preprocessor"> #endregion</span></div> |
| <div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="preprocessor"></span> }</div> |
| <div class="line"><a name="l00447"></a><span class="lineno"> 447</span> <span class="preprocessor"> #endregion</span></div> |
| <div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="preprocessor"></span> }</div> |
| <div class="line"><a name="l00449"></a><span class="lineno"> 449</span> }</div> |
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