classinput__output__manager.html

来自「Aprior的C++实现算法」· HTML 代码 · 共 499 行 · 第 1/2 页

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          <td class="md" nowrap valign="top"> int Input_Output_Manager::read_in_a_line </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">set&lt; <a class="el" href="common_8hpp.html#a0">itemtype</a> &gt; &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>basket</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
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Reads in one transaction from the basketfile. 
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<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign=top><em>basket</em>&nbsp;</td><td>The basket that will be filled with the next row of the file. </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>0 if the end of file is reached, otherwise 1; </dd></dl>

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Definition at line <a class="el" href="Input__Output__Manager_8cpp-source.html#l00025">25</a> of file <a class="el" href="Input__Output__Manager_8cpp-source.html">Input_Output_Manager.cpp</a>.
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References <a class="el" href="Input__Output__Manager_8hpp-source.html#l00062">basket_file</a>, and <a class="el" href="common_8hpp-source.html#l00022">itemtype</a>.
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Referenced by <a class="el" href="Input__Output__Manager_8cpp-source.html#l00057">find_frequent_items()</a>, and <a class="el" href="MSApriori_8cpp-source.html#l00021">MSApriori::support()</a>.    </td>
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<a class="anchor" name="a6" doxytag="Input_Output_Manager::rewind" ></a><p>
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          <td class="md" nowrap valign="top"> void Input_Output_Manager::rewind </td>
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Definition at line <a class="el" href="Input__Output__Manager_8cpp-source.html#l00168">168</a> of file <a class="el" href="Input__Output__Manager_8cpp-source.html">Input_Output_Manager.cpp</a>.
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References <a class="el" href="Input__Output__Manager_8hpp-source.html#l00062">basket_file</a>.
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Referenced by <a class="el" href="MSApriori_8cpp-source.html#l00068">MSApriori::MSAPRIORI_alg()</a>.    </td>
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<a class="anchor" name="a4" doxytag="Input_Output_Manager::write_out_basket" ></a><p>
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          <td class="md" nowrap valign="top"> void Input_Output_Manager::write_out_basket </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const set&lt; <a class="el" href="common_8hpp.html#a0">itemtype</a> &gt; &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>itemset</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
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Writes out an itemset to the output file. 
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Definition at line <a class="el" href="Input__Output__Manager_8cpp-source.html#l00147">147</a> of file <a class="el" href="Input__Output__Manager_8cpp-source.html">Input_Output_Manager.cpp</a>.
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References <a class="el" href="Input__Output__Manager_8hpp-source.html#l00075">new_code_inverse</a>.
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Referenced by <a class="el" href="MSApriori__Trie_8cpp-source.html#l00240">MSApriori_Trie::assoc_rule_find()</a>.    </td>
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<a class="anchor" name="a5" doxytag="Input_Output_Manager::write_out_basket_and_counter" ></a><p>
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          <td class="md" nowrap valign="top"> void Input_Output_Manager::write_out_basket_and_counter </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const set&lt; <a class="el" href="common_8hpp.html#a0">itemtype</a> &gt; &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>itemset</em>, </td>
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          <td class="md" nowrap>const unsigned long&nbsp;</td>
          <td class="mdname" nowrap> <em>counter</em></td>
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          <td class="md">)&nbsp;</td>
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Writes out an itemset and its counter to the output file. 
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Definition at line <a class="el" href="Input__Output__Manager_8cpp-source.html#l00156">156</a> of file <a class="el" href="Input__Output__Manager_8cpp-source.html">Input_Output_Manager.cpp</a>.
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References <a class="el" href="Input__Output__Manager_8hpp-source.html#l00075">new_code_inverse</a>.
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Referenced by <a class="el" href="MSApriori__Trie_8cpp-source.html#l00278">MSApriori_Trie::write_content_to_file_assist()</a>.    </td>
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="r0" doxytag="Input_Output_Manager::basket_file" ></a><p>
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          <td class="md" nowrap valign="top"> ifstream&amp; <a class="el" href="classInput__Output__Manager.html#r0">Input_Output_Manager::basket_file</a><code> [private]</code>
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The file that contain the transactions. 
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Definition at line <a class="el" href="Input__Output__Manager_8hpp-source.html#l00062">62</a> of file <a class="el" href="Input__Output__Manager_8hpp-source.html">Input_Output_Manager.hpp</a>.
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Referenced by <a class="el" href="Input__Output__Manager_8cpp-source.html#l00025">read_in_a_line()</a>, and <a class="el" href="Input__Output__Manager_8cpp-source.html#l00168">rewind()</a>.    </td>
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<a class="anchor" name="r1" doxytag="Input_Output_Manager::new_code" ></a><p>
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          <td class="md" nowrap valign="top"> vector&lt;<a class="el" href="common_8hpp.html#a0">itemtype</a>&gt; <a class="el" href="classInput__Output__Manager.html#r1">Input_Output_Manager::new_code</a><code> [private]</code>
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The new codes of the frequent items. 
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if new_code[i] is 0, then i is not frequent, otherwise the new code of item i is new_code[i]-1. 
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Definition at line <a class="el" href="Input__Output__Manager_8hpp-source.html#l00069">69</a> of file <a class="el" href="Input__Output__Manager_8hpp-source.html">Input_Output_Manager.hpp</a>.
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Referenced by <a class="el" href="Input__Output__Manager_8cpp-source.html#l00138">basket_recode()</a>, and <a class="el" href="Input__Output__Manager_8cpp-source.html#l00057">find_frequent_items()</a>.    </td>
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<a class="anchor" name="r2" doxytag="Input_Output_Manager::new_code_inverse" ></a><p>
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          <td class="md" nowrap valign="top"> vector&lt;<a class="el" href="common_8hpp.html#a0">itemtype</a>&gt; <a class="el" href="classInput__Output__Manager.html#r2">Input_Output_Manager::new_code_inverse</a><code> [private]</code>
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<p>
The inverse of new_code vector. 
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new_code_inverse[new_code[i]-1]=i if i is a frequent item. 
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Definition at line <a class="el" href="Input__Output__Manager_8hpp-source.html#l00075">75</a> of file <a class="el" href="Input__Output__Manager_8hpp-source.html">Input_Output_Manager.hpp</a>.
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Referenced by <a class="el" href="Input__Output__Manager_8cpp-source.html#l00057">find_frequent_items()</a>, <a class="el" href="Input__Output__Manager_8cpp-source.html#l00147">write_out_basket()</a>, and <a class="el" href="Input__Output__Manager_8cpp-source.html#l00156">write_out_basket_and_counter()</a>.    </td>
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<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="Input__Output__Manager_8hpp-source.html">Input_Output_Manager.hpp</a><li><a class="el" href="Input__Output__Manager_8cpp-source.html">Input_Output_Manager.cpp</a></ul>
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