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| <div class="title">CharBlockPool.cs</div> </div> |
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| <a href="_char_block_pool_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> </div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">namespace </span>Lucene.Net.Index</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>  </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_char_block_pool.html"> 23</a></span>  sealed <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_char_block_pool.html">CharBlockPool</a></div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  {</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> InitBlock()</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  {</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  charUpto = <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_documents_writer.html" title="This class accepts multiple added documents and directly writes a single segment file. It does this more efficiently than creating a single segment per document (with DocumentWriter) and doing standard merges on those segments.">DocumentsWriter</a>.CHAR_BLOCK_SIZE;</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>  </div> |
| <div class="line"><a name="l00030"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_char_block_pool.html#a7d69cf039c232cac8989ac6186ff0f2b"> 30</a></span>  <span class="keyword">public</span> <span class="keywordtype">char</span>[][] buffers = <span class="keyword">new</span> <span class="keywordtype">char</span>[10][];</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">internal</span> <span class="keywordtype">int</span> numBuffer;</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">internal</span> <span class="keywordtype">int</span> bufferUpto = - 1; <span class="comment">// Which buffer we are upto</span></div> |
| <div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_char_block_pool.html#a5d0d7777562463980e1d404f9bc289ab"> 34</a></span>  <span class="keyword">public</span> <span class="keywordtype">int</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_char_block_pool.html#a5d0d7777562463980e1d404f9bc289ab">charUpto</a>; <span class="comment">// Where we are in head buffer</span></div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div> |
| <div class="line"><a name="l00036"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_char_block_pool.html#a62d6cee0f0b0f34a4fc1abfe797b49b7"> 36</a></span>  <span class="keyword">public</span> <span class="keywordtype">char</span>[] <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_char_block_pool.html#a62d6cee0f0b0f34a4fc1abfe797b49b7">buffer</a>; <span class="comment">// Current head buffer</span></div> |
| <div class="line"><a name="l00037"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_char_block_pool.html#a27dcbd231303c2d828ae90a9db3e7bee"> 37</a></span>  <span class="keyword">public</span> <span class="keywordtype">int</span> charOffset = - <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_documents_writer.html" title="This class accepts multiple added documents and directly writes a single segment file. It does this more efficiently than creating a single segment per document (with DocumentWriter) and doing standard merges on those segments.">DocumentsWriter</a>.CHAR_BLOCK_SIZE; <span class="comment">// Current head offset</span></div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">private</span> readonly <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_documents_writer.html" title="This class accepts multiple added documents and directly writes a single segment file. It does this more efficiently than creating a single segment per document (with DocumentWriter) and doing standard merges on those segments.">DocumentsWriter</a> docWriter;</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_index_1_1_char_block_pool.html#a7c4260f7309b7208388b6f037c5988af"> 40</a></span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_char_block_pool.html">CharBlockPool</a>(<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_documents_writer.html" title="This class accepts multiple added documents and directly writes a single segment file. It does this more efficiently than creating a single segment per document (with DocumentWriter) and doing standard merges on those segments.">DocumentsWriter</a> docWriter)</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>  InitBlock();</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  this.docWriter = docWriter;</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  }</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div> |
| <div class="line"><a name="l00046"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_char_block_pool.html#ab31589d6a8e39a7c91edf83ee58148ef"> 46</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> Reset()</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  {</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  docWriter.RecycleCharBlocks(buffers, 1 + bufferUpto);</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  bufferUpto = - 1;</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  charUpto = <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_documents_writer.html" title="This class accepts multiple added documents and directly writes a single segment file. It does this more efficiently than creating a single segment per document (with DocumentWriter) and doing standard merges on those segments.">DocumentsWriter</a>.CHAR_BLOCK_SIZE;</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  charOffset = - <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_documents_writer.html" title="This class accepts multiple added documents and directly writes a single segment file. It does this more efficiently than creating a single segment per document (with DocumentWriter) and doing standard merges on those segments.">DocumentsWriter</a>.CHAR_BLOCK_SIZE;</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>  </div> |
| <div class="line"><a name="l00054"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_char_block_pool.html#ac06531a3c01be63f2f4c3b9c47ee9b17"> 54</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> NextBuffer()</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  {</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">if</span> (1 + bufferUpto == buffers.Length)</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>  var newBuffers = <span class="keyword">new</span> <span class="keywordtype">char</span>[(int) (buffers.Length * 1.5)][];</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  Array.Copy(buffers, 0, newBuffers, 0, buffers.Length);</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  buffers = newBuffers;</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>  buffer = buffers[1 + bufferUpto] = docWriter.GetCharBlock();</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  bufferUpto++;</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  charUpto = 0;</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  charOffset += <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_documents_writer.html" title="This class accepts multiple added documents and directly writes a single segment file. It does this more efficiently than creating a single segment per document (with DocumentWriter) and doing standard merges on those segments.">DocumentsWriter</a>.CHAR_BLOCK_SIZE;</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> |
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