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| <a href="_equatable_list_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="l00033"></a><span class="lineno"> 33</span>  [Serializable]</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_equatable_list_3_01_t_01_4.html"> 34</a></span>  <span class="keyword">public</span> <span class="keyword">class </span>EquatableList<T> : System.Collections.Generic.List<T>,</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  IEquatable<System.Collections.Generic.IEnumerable<T>>,</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  ICloneable</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  {</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_equatable_list_3_01_t_01_4.html#adf689c4de329afb85090abda9d8ac19a"> 41</a></span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_support_1_1_equatable_list_3_01_t_01_4.html#adf689c4de329afb85090abda9d8ac19a" title="Initializes a new instance of the EquatableList{T} class that is empty and has the default initial ca...">EquatableList</a>() : base() { }</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> |
| <div class="line"><a name="l00047"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_equatable_list_3_01_t_01_4.html#a39696505e112a3aa7a8bf20842c19bf7"> 47</a></span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_support_1_1_equatable_list_3_01_t_01_4.html#a39696505e112a3aa7a8bf20842c19bf7" title="Initializes a new instance of the EquatableList{T} class that contains elements copied from the speci...">EquatableList</a>(System.Collections.Generic.IEnumerable<T> collection) : base(collection) { }</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> |
| <div class="line"><a name="l00052"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_equatable_list_3_01_t_01_4.html#a35b040598987b0580405b54a1c286518"> 52</a></span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_support_1_1_equatable_list_3_01_t_01_4.html#a35b040598987b0580405b54a1c286518" title="Initializes a new instance of the EquatableList{T} class that is empty and has the specified initial ...">EquatableList</a>(<span class="keywordtype">int</span> capacity) : base(capacity) { }</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_equatable_list_3_01_t_01_4.html#a230c2cc107e144b58dd00e788e90ce1a"> 58</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> AddRange(ICollection c)</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  {</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// If the collection is null, throw an exception.</span></div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">if</span> (c == null) <span class="keywordflow">throw</span> <span class="keyword">new</span> ArgumentNullException(<span class="stringliteral">"c"</span>);</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// Pre-compute capacity.</span></div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  Capacity = Math.Max(c.Count + Count, Capacity);</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// Cycle through the items and add.</span></div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">foreach</span> (T item <span class="keywordflow">in</span> c)</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  {</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// Add the item.</span></div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  Add(item);</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">bool</span>? EnumerableCountsEqual(System.Collections.Generic.IEnumerable<T> x, System.Collections.Generic.IEnumerable<T> y)</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  {</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// Get the ICollection<T> and ICollection interfaces.</span></div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  System.Collections.Generic.ICollection<T> xOfTCollection = x as System.Collections.Generic.ICollection<T>;</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  System.Collections.Generic.ICollection<T> yOfTCollection = y as System.Collections.Generic.ICollection<T>;</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  ICollection xCollection = x as ICollection;</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  ICollection yCollection = y as ICollection;</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// The count in x and y.</span></div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">int</span>? xCount = xOfTCollection != null ? xOfTCollection.Count : xCollection != null ? xCollection.Count : (<span class="keywordtype">int</span>?)null;</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">int</span>? yCount = yOfTCollection != null ? yOfTCollection.Count : yCollection != null ? yCollection.Count : (<span class="keywordtype">int</span>?)null;</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>  <span class="comment">// If either are null, return null, the result is indeterminate.</span></div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span> (xCount == null || yCount == null)</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>  <span class="comment">// Return null, indeterminate.</span></div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> null;</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> </div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">// Both counts are non-null, compare.</span></div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> xCount == yCount;</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">bool</span> Equals(System.Collections.Generic.IEnumerable<T> x,</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  System.Collections.Generic.IEnumerable<T> y)</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  {</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// If x and y are null, then return true, they are the same.</span></div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">if</span> (x == null && y == null)</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>  <span class="comment">// They are the same, return 0.</span></div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// If one is null, then return a value based on whether or not</span></div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">// one is null or not.</span></div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">if</span> (x == null || y == null)</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  {</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// Return false, one is null, the other is not.</span></div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</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>  <span class="comment">// Check to see if the counts on the IEnumerable implementations are equal.</span></div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// This is a shortcut, if they are not equal, then the lists are not equal.</span></div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// If the result is indeterminate, then get out.</span></div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordtype">bool</span>? enumerableCountsEqual = EnumerableCountsEqual(x, y);</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="comment">// If the enumerable counts have been able to be calculated (indicated by</span></div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">// a non-null value) and it is false, then no need to iterate through the items.</span></div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> (enumerableCountsEqual != null && !enumerableCountsEqual.Value)</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="comment">// The sequences are not equal.</span></div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> <span class="keyword">false</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> </div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">// The counts of the items in the enumerations are equal, or indeterminate</span></div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// so a full iteration needs to be made to compare each item.</span></div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// Get the default comparer for T first.</span></div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  System.Collections.Generic.EqualityComparer<T> defaultComparer =</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  EqualityComparer<T>.Default;</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="comment">// Get the enumerator for y.</span></div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  System.Collections.Generic.IEnumerator<T> otherEnumerator = y.GetEnumerator();</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>  <span class="comment">// Call Dispose on IDisposable if there is an implementation on the</span></div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// IEnumerator<T> returned by a call to y.GetEnumerator().</span></div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">using</span> (otherEnumerator as IDisposable)</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="comment">// Cycle through the items in this list.</span></div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">foreach</span> (T item <span class="keywordflow">in</span> x)</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  {</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// If there isn't an item to get, then this has more</span></div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">// items than that, they are not equal.</span></div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">if</span> (!otherEnumerator.MoveNext())</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  {</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// Return false.</span></div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">return</span> <span class="keyword">false</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> </div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// Perform a comparison. Must check this on the left hand side</span></div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// and that on the right hand side.</span></div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">bool</span> comparison = defaultComparer.Equals(item, otherEnumerator.Current);</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// If the value is false, return false.</span></div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> (!comparison)</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="comment">// Return the value.</span></div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span> comparison;</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</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="comment">// If there are no more items, then return true, the sequences</span></div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">// are equal.</span></div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">if</span> (!otherEnumerator.MoveNext())</div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  {</div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="comment">// The sequences are equal.</span></div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</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="comment">// The other sequence has more items than this one, return</span></div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="comment">// false, these are not equal.</span></div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">return</span> <span class="keyword">false</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>  }</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> <span class="preprocessor"> #region IEquatable<IEnumerable<T>> Members</span></div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="preprocessor"></span></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"> 210</span> </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> </div> |
| <div class="line"><a name="l00213"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_equatable_list_3_01_t_01_4.html#a5837d7c432b44d91b4c13345ce3762c7"> 213</a></span>  <span class="keyword">public</span> <span class="keywordtype">bool</span> Equals(System.Collections.Generic.IEnumerable<T> other)</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  {</div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="comment">// Compare to the other sequence. If 0, then equal.</span></div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span> Equals(<span class="keyword">this</span>, other);</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor"> #endregion</span></div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00224"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_equatable_list_3_01_t_01_4.html#a5c9e302b4b5037f49b7dbbc8bd004129"> 224</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">bool</span> Equals(<span class="keywordtype">object</span> obj)</div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  {</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// Call the strongly typed version.</span></div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">return</span> Equals(obj as System.Collections.Generic.IEnumerable<T>);</div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div> |
| <div class="line"><a name="l00232"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_equatable_list_3_01_t_01_4.html#a851ede559ffd7cf674d5023b8025bcf4"> 232</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> GetHashCode()</div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  {</div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">// Call the static method, passing this.</span></div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span> GetHashCode(<span class="keyword">this</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"> 237</span> </div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="preprocessor">#if __MonoCS__</span></div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="preprocessor"></span> <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">int</span> GetHashCode<T>(System.Collections.Generic.IEnumerable<T> source)</div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span> #<span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00245"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_equatable_list_3_01_t_01_4.html#ad4f9c7aaafb717c5d8e07ea4e3b4594e"> 245</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">int</span> GetHashCode(System.Collections.Generic.IEnumerable<T> source)</div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="preprocessor"></span> {</div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="comment">// If source is null, then return 0.</span></div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">if</span> (source == null) <span class="keywordflow">return</span> 0;</div> |
| <div class="line"><a name="l00250"></a><span class="lineno"> 250</span> </div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="comment">// Seed the hash code with the hash code of the type.</span></div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">// This is done so that you don't have a lot of collisions of empty</span></div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">// ComparableList instances when placed in dictionaries</span></div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="comment">// and things that rely on hashcodes.</span></div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordtype">int</span> hashCode = typeof(T).GetHashCode();</div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span> </div> |
| <div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="comment">// Iterate through the items in this implementation.</span></div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">foreach</span> (T item <span class="keywordflow">in</span> source)</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="comment">// Adjust the hash code.</span></div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  hashCode = 31 * hashCode + (item == null ? 0 : item.GetHashCode());</div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  }</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="comment">// Return the hash code.</span></div> |
| <div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordflow">return</span> hashCode;</div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  }</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="comment">// TODO: When diverging from Java version of Lucene, can uncomment these to adhere to best practices when overriding the Equals method and implementing IEquatable<T>.</span></div> |
| <div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment"></span> <span class="comment">//public static bool operator ==(EquatableList<T> x, System.Collections.Generic.IEnumerable<T> y)</span></div> |
| <div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="comment">//{</span></div> |
| <div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">// // Call Equals.</span></div> |
| <div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">// return Equals(x, y);</span></div> |
| <div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="comment">//}</span></div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="comment">//public static bool operator ==(System.Collections.Generic.IEnumerable<T> x, EquatableList<T> y)</span></div> |
| <div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="comment">//{</span></div> |
| <div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="comment">// // Call equals.</span></div> |
| <div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="comment">// return Equals(x, y);</span></div> |
| <div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="comment">//}</span></div> |
| <div class="line"><a name="l00296"></a><span class="lineno"> 296</span> </div> |
| <div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="comment">//public static bool operator !=(EquatableList<T> x, System.Collections.Generic.IEnumerable<T> y)</span></div> |
| <div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">//{</span></div> |
| <div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="comment">// // Return the negative of the equals operation.</span></div> |
| <div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="comment">// return !(x == y);</span></div> |
| <div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="comment">//}</span></div> |
| <div class="line"><a name="l00310"></a><span class="lineno"> 310</span> </div> |
| <div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="comment">//public static bool operator !=(System.Collections.Generic.IEnumerable<T> x, EquatableList<T> y)</span></div> |
| <div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="comment">//{</span></div> |
| <div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="comment">// // Return the negative of the equals operation.</span></div> |
| <div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">// return !(x == y);</span></div> |
| <div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="comment">//}</span></div> |
| <div class="line"><a name="l00324"></a><span class="lineno"> 324</span> </div> |
| <div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="preprocessor"> #region ICloneable Members</span></div> |
| <div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00331"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_support_1_1_equatable_list_3_01_t_01_4.html#af39edcd5b4faad9114303551408ec2fb"> 331</a></span>  <span class="keyword">public</span> <span class="keywordtype">object</span> Clone()</div> |
| <div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  {</div> |
| <div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="comment">// Just create a new one, passing this to the constructor.</span></div> |
| <div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_support_1_1_equatable_list_3_01_t_01_4.html" title="Represents a strongly typed list of objects that can be accessed by index. Provides methods to search...">EquatableList<T></a>(<span class="keyword">this</span>);</div> |
| <div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  }</div> |
| <div class="line"><a name="l00336"></a><span class="lineno"> 336</span> </div> |
| <div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="preprocessor"> #endregion</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> }</div> |
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