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|  <span id="projectnumber">3.0.3</span> |
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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_0fd6a22b48ba7ca96d8c1554e5fff3e1.html">Store</a></li> </ul> |
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| <div class="title">CheckSumIndexInput.cs</div> </div> |
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| <a href="_check_sum_index_input_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"> * Licensed to the Apache Software Foundation (ASF) under one or more</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * contributor license agreements. See the NOTICE file distributed with</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * this work for additional information regarding copyright ownership.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * (the "License"); you may not use this file except in compliance with</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</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"> * Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * limitations under the License.</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">using</span> System;</div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">using</span> Lucene.Net.Support;</div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">namespace </span>Lucene.Net.Store</div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> {</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div> |
| <div class="line"><a name="l00027"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_store_1_1_checksum_index_input.html"> 27</a></span>  <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_store_1_1_checksum_index_input.html" title="Writes bytes through to a primary IndexOutput, computing checksum as it goes. Note that you cannot us...">ChecksumIndexInput</a> : <a class="code" href="class_lucene_1_1_net_1_1_store_1_1_index_input.html" title="Abstract base class for input from a file in a Directory. A random-access input stream. Used for all Lucene index input operations. ">IndexInput</a></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  {</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">internal</span> <a class="code" href="class_lucene_1_1_net_1_1_store_1_1_index_input.html" title="Abstract base class for input from a file in a Directory. A random-access input stream. Used for all Lucene index input operations. ">IndexInput</a> main;</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">internal</span> <a class="code" href="interface_lucene_1_1_net_1_1_support_1_1_i_checksum.html" title="Contains conversion support elements such as classes, interfaces and static methods. ">IChecksum</a> digest;</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">private</span> <span class="keywordtype">bool</span> isDisposed;</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div> |
| <div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_store_1_1_checksum_index_input.html#afcd8e9c85e98ec99a0a3447c4ff2e96e"> 34</a></span>  <span class="keyword">public</span> <a class="code" href="_segment_infos_8cs.html#ad7d13fd4cca797d2019d50571a62bdf8">ChecksumIndexInput</a>(<a class="code" href="class_lucene_1_1_net_1_1_store_1_1_index_input.html" title="Abstract base class for input from a file in a Directory. A random-access input stream. Used for all Lucene index input operations. ">IndexInput</a> main)</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  {</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  this.main = main;</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  digest = <span class="keyword">new</span> <a class="code" href="_check_sum_index_output_8cs.html#a29d59eac6cfa225be71f3053f10d19af">CRC32</a>();</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div> |
| <div class="line"><a name="l00040"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_store_1_1_checksum_index_input.html#aaa4fddee4937a49b044e4cf2e3e588bc"> 40</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> byte ReadByte()</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  {</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  byte b = main.ReadByte();</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  digest.Update(b);</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">return</span> b;</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  }</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div> |
| <div class="line"><a name="l00047"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_store_1_1_checksum_index_input.html#a5c3d4bb4c5a131adcd9faadb978400e7"> 47</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> ReadBytes(byte[] b, <span class="keywordtype">int</span> offset, <span class="keywordtype">int</span> len)</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  {</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  main.ReadBytes(b, offset, len);</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  digest.Update(b, offset, len);</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">long</span> Checksum</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_store_1_1_checksum_index_input.html#ae9ab174b07cf470d037a9be2d4c989f5"> 54</a></span>  {</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> digest.Value; }</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_store_1_1_checksum_index_input.html#ab6fe916235f6dc9d7c581a6b960be367"> 58</a></span>  <span class="keyword">protected</span> <span class="keyword">override</span> <span class="keywordtype">void</span> Dispose(<span class="keywordtype">bool</span> disposing)</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="keywordflow">if</span> (isDisposed) <span class="keywordflow">return</span>;</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">if</span> (disposing)</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (main != null)</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>  main.Dispose();</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</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> </div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  main = null;</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  isDisposed = <span class="keyword">true</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="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">long</span> FilePointer</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_store_1_1_checksum_index_input.html#ad4fb8c297b0d713e955f0a045f0f5fa6"> 75</a></span>  {</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> main.FilePointer; }</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div> |
| <div class="line"><a name="l00079"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_store_1_1_checksum_index_input.html#a0612ee2fe36a407e8bf13af40e5ad258"> 79</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> Seek(<span class="keywordtype">long</span> pos)</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>  <span class="keywordflow">throw</span> <span class="keyword">new</span> System.SystemException(<span class="stringliteral">"not allowed"</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_store_1_1_checksum_index_input.html#ad95e59e78c37aa6b068f1165a6a74be3"> 84</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">long</span> Length()</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>  <span class="keywordflow">return</span> main.Length();</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> }</div> |
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