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<title>Class: Ankusa::HBaseStorage</title>
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<div id="classHeader">
<table class="header-table">
<tr class="top-aligned-row">
<td><strong>Class</strong></td>
<td class="class-name-in-header">Ankusa::HBaseStorage</td>
</tr>
<tr class="top-aligned-row">
<td><strong>In:</strong></td>
<td>
<a href="../../files/lib/ankusa/hbase_storage_rb.html">
lib/ankusa/hbase_storage.rb
</a>
<br />
</td>
</tr>
<tr class="top-aligned-row">
<td><strong>Parent:</strong></td>
<td>
Object
</td>
</tr>
</table>
</div>
<!-- banner header -->
<div id="bodyContent">
<div id="contextContent">
</div>
<div id="method-list">
<h3 class="section-bar">Methods</h3>
<div class="name-list">
<a href="#M000027">classnames</a>
<a href="#M000039">close</a>
<a href="#M000038">doc_count_totals</a>
<a href="#M000029">drop_tables</a>
<a href="#M000042">freq_table</a>
<a href="#M000034">get_doc_count</a>
<a href="#M000040">get_summary</a>
<a href="#M000033">get_total_word_count</a>
<a href="#M000032">get_vocabulary_sizes</a>
<a href="#M000031">get_word_counts</a>
<a href="#M000037">incr_doc_count</a>
<a href="#M000036">incr_total_word_count</a>
<a href="#M000035">incr_word_count</a>
<a href="#M000030">init_tables</a>
<a href="#M000026">new</a>
<a href="#M000028">reset</a>
<a href="#M000041">summary_table</a>
</div>
</div>
</div>
<!-- if includes -->
<div id="section">
<div id="attribute-list">
<h3 class="section-bar">Attributes</h3>
<div class="name-list">
<table>
<tr class="top-aligned-row context-row">
<td class="context-item-name">hbase</td>
<td class="context-item-value"> [R] </td>
<td class="context-item-desc"></td>
</tr>
</table>
</div>
</div>
<!-- if method_list -->
<div id="methods">
<h3 class="section-bar">Public Class methods</h3>
<div id="method-M000026" class="method-detail">
<a name="M000026"></a>
<div class="method-heading">
<a href="#M000026" class="method-signature">
<span class="method-name">new</span><span class="method-args">(host='localhost', port=9090, frequency_tablename="ankusa_word_frequencies", summary_tablename="ankusa_summary")</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000026-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000026-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 8</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">host</span>=<span class="ruby-value str">'localhost'</span>, <span class="ruby-identifier">port</span>=<span class="ruby-value">9090</span>, <span class="ruby-identifier">frequency_tablename</span>=<span class="ruby-value str">"ankusa_word_frequencies"</span>, <span class="ruby-identifier">summary_tablename</span>=<span class="ruby-value str">"ankusa_summary"</span>)
<span class="ruby-ivar">@hbase</span> = <span class="ruby-constant">HBaseRb</span><span class="ruby-operator">::</span><span class="ruby-constant">Client</span>.<span class="ruby-identifier">new</span> <span class="ruby-identifier">host</span>, <span class="ruby-identifier">port</span>
<span class="ruby-ivar">@ftablename</span> = <span class="ruby-identifier">frequency_tablename</span>
<span class="ruby-ivar">@stablename</span> = <span class="ruby-identifier">summary_tablename</span>
<span class="ruby-ivar">@klass_word_counts</span> = {}
<span class="ruby-ivar">@klass_doc_counts</span> = {}
<span class="ruby-identifier">init_tables</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000027" class="method-detail">
<a name="M000027"></a>
<div class="method-heading">
<a href="#M000027" class="method-signature">
<span class="method-name">classnames</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000027-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000027-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 17</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">classnames</span>
<span class="ruby-identifier">cs</span> = []
<span class="ruby-identifier">summary_table</span>.<span class="ruby-identifier">create_scanner</span>(<span class="ruby-value str">""</span>, <span class="ruby-value str">"totals"</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">row</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">cs</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">row</span>.<span class="ruby-identifier">row</span>.<span class="ruby-identifier">intern</span>
}
<span class="ruby-identifier">cs</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000039" class="method-detail">
<a name="M000039"></a>
<div class="method-heading">
<a href="#M000039" class="method-signature">
<span class="method-name">close</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000039-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000039-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 103</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">close</span>
<span class="ruby-ivar">@hbase</span>.<span class="ruby-identifier">close</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000038" class="method-detail">
<a name="M000038"></a>
<div class="method-heading">
<a href="#M000038" class="method-signature">
<span class="method-name">doc_count_totals</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000038-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000038-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 99</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">doc_count_totals</span>
<span class="ruby-identifier">get_summary</span> <span class="ruby-value str">"totals:doccount"</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000029" class="method-detail">
<a name="M000029"></a>
<div class="method-heading">
<a href="#M000029" class="method-signature">
<span class="method-name">drop_tables</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000029-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000029-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 30</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">drop_tables</span>
<span class="ruby-identifier">freq_table</span>.<span class="ruby-identifier">delete</span>
<span class="ruby-identifier">summary_table</span>.<span class="ruby-identifier">delete</span>
<span class="ruby-ivar">@stable</span> = <span class="ruby-keyword kw">nil</span>
<span class="ruby-ivar">@ftable</span> = <span class="ruby-keyword kw">nil</span>
<span class="ruby-ivar">@klass_word_counts</span> = {}
<span class="ruby-ivar">@klass_doc_counts</span> = {}
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000034" class="method-detail">
<a name="M000034"></a>
<div class="method-heading">
<a href="#M000034" class="method-signature">
<span class="method-name">get_doc_count</span><span class="method-args">(klass)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000034-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000034-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 73</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">get_doc_count</span>(<span class="ruby-identifier">klass</span>)
<span class="ruby-ivar">@klass_doc_counts</span>.<span class="ruby-identifier">fetch</span>(<span class="ruby-identifier">klass</span>) {
<span class="ruby-ivar">@klass_doc_counts</span>[<span class="ruby-identifier">klass</span>] = <span class="ruby-identifier">summary_table</span>.<span class="ruby-identifier">get</span>(<span class="ruby-identifier">klass</span>, <span class="ruby-value str">"totals:doccount"</span>).<span class="ruby-identifier">first</span>.<span class="ruby-identifier">to_i64</span>.<span class="ruby-identifier">to_f</span>
}
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000033" class="method-detail">
<a name="M000033"></a>
<div class="method-heading">
<a href="#M000033" class="method-signature">
<span class="method-name">get_total_word_count</span><span class="method-args">(klass)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000033-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000033-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 67</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">get_total_word_count</span>(<span class="ruby-identifier">klass</span>)
<span class="ruby-ivar">@klass_word_counts</span>.<span class="ruby-identifier">fetch</span>(<span class="ruby-identifier">klass</span>) {
<span class="ruby-ivar">@klass_word_counts</span>[<span class="ruby-identifier">klass</span>] = <span class="ruby-identifier">summary_table</span>.<span class="ruby-identifier">get</span>(<span class="ruby-identifier">klass</span>, <span class="ruby-value str">"totals:wordcount"</span>).<span class="ruby-identifier">first</span>.<span class="ruby-identifier">to_i64</span>.<span class="ruby-identifier">to_f</span>
}
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000032" class="method-detail">
<a name="M000032"></a>
<div class="method-heading">
<a href="#M000032" class="method-signature">
<span class="method-name">get_vocabulary_sizes</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000032-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000032-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 63</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">get_vocabulary_sizes</span>
<span class="ruby-identifier">get_summary</span> <span class="ruby-value str">"totals:vocabsize"</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000031" class="method-detail">
<a name="M000031"></a>
<div class="method-heading">
<a href="#M000031" class="method-signature">
<span class="method-name">get_word_counts</span><span class="method-args">(word)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000031-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000031-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 49</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">get_word_counts</span>(<span class="ruby-identifier">word</span>)
<span class="ruby-identifier">counts</span> = <span class="ruby-constant">Hash</span>.<span class="ruby-identifier">new</span>(<span class="ruby-value">0</span>)
<span class="ruby-identifier">row</span> = <span class="ruby-identifier">freq_table</span>.<span class="ruby-identifier">get_row</span>(<span class="ruby-identifier">word</span>)
<span class="ruby-keyword kw">return</span> <span class="ruby-identifier">counts</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">row</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">==</span> <span class="ruby-value">0</span>
<span class="ruby-identifier">row</span>.<span class="ruby-identifier">first</span>.<span class="ruby-identifier">columns</span>.<span class="ruby-identifier">each</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">colname</span>, <span class="ruby-identifier">cell</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">classname</span> = <span class="ruby-identifier">colname</span>.<span class="ruby-identifier">split</span>(<span class="ruby-value str">':'</span>)[<span class="ruby-value">1</span>].<span class="ruby-identifier">intern</span>
<span class="ruby-comment cmt"># in case untrain has been called too many times</span>
<span class="ruby-identifier">counts</span>[<span class="ruby-identifier">classname</span>] = [<span class="ruby-identifier">cell</span>.<span class="ruby-identifier">to_i64</span>.<span class="ruby-identifier">to_f</span>, <span class="ruby-value">0</span>].<span class="ruby-identifier">max</span>
}
<span class="ruby-identifier">counts</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000037" class="method-detail">
<a name="M000037"></a>
<div class="method-heading">
<a href="#M000037" class="method-signature">
<span class="method-name">incr_doc_count</span><span class="method-args">(klass, count)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000037-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000037-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 95</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">incr_doc_count</span>(<span class="ruby-identifier">klass</span>, <span class="ruby-identifier">count</span>)
<span class="ruby-ivar">@klass_doc_counts</span>[<span class="ruby-identifier">klass</span>] = <span class="ruby-identifier">summary_table</span>.<span class="ruby-identifier">atomic_increment</span> <span class="ruby-identifier">klass</span>, <span class="ruby-value str">"totals:doccount"</span>, <span class="ruby-identifier">count</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000036" class="method-detail">
<a name="M000036"></a>
<div class="method-heading">
<a href="#M000036" class="method-signature">
<span class="method-name">incr_total_word_count</span><span class="method-args">(klass, count)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000036-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000036-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 91</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">incr_total_word_count</span>(<span class="ruby-identifier">klass</span>, <span class="ruby-identifier">count</span>)
<span class="ruby-ivar">@klass_word_counts</span>[<span class="ruby-identifier">klass</span>] = <span class="ruby-identifier">summary_table</span>.<span class="ruby-identifier">atomic_increment</span> <span class="ruby-identifier">klass</span>, <span class="ruby-value str">"totals:wordcount"</span>, <span class="ruby-identifier">count</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000035" class="method-detail">
<a name="M000035"></a>
<div class="method-heading">
<a href="#M000035" class="method-signature">
<span class="method-name">incr_word_count</span><span class="method-args">(klass, word, count)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000035-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000035-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 79</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">incr_word_count</span>(<span class="ruby-identifier">klass</span>, <span class="ruby-identifier">word</span>, <span class="ruby-identifier">count</span>)
<span class="ruby-identifier">size</span> = <span class="ruby-identifier">freq_table</span>.<span class="ruby-identifier">atomic_increment</span> <span class="ruby-identifier">word</span>, <span class="ruby-node">"classes:#{klass.to_s}"</span>, <span class="ruby-identifier">count</span>
<span class="ruby-comment cmt"># if this is a new word, increase the klass's vocab size. If the new word</span>
<span class="ruby-comment cmt"># count is 0, then we need to decrement our vocab size</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">size</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">count</span>
<span class="ruby-identifier">summary_table</span>.<span class="ruby-identifier">atomic_increment</span> <span class="ruby-identifier">klass</span>, <span class="ruby-value str">"totals:vocabsize"</span>
<span class="ruby-keyword kw">elsif</span> <span class="ruby-identifier">size</span> <span class="ruby-operator">==</span> <span class="ruby-value">0</span>
<span class="ruby-identifier">summary_table</span>.<span class="ruby-identifier">atomic_increment</span> <span class="ruby-identifier">klass</span>, <span class="ruby-value str">"totals:vocabsize"</span>, <span class="ruby-value">-1</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">size</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000030" class="method-detail">
<a name="M000030"></a>
<div class="method-heading">
<a href="#M000030" class="method-signature">
<span class="method-name">init_tables</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000030-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000030-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 39</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">init_tables</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-keyword kw">not</span> <span class="ruby-ivar">@hbase</span>.<span class="ruby-identifier">has_table?</span> <span class="ruby-ivar">@ftablename</span>
<span class="ruby-ivar">@hbase</span>.<span class="ruby-identifier">create_table</span> <span class="ruby-ivar">@ftablename</span>, <span class="ruby-value str">"classes"</span>, <span class="ruby-value str">"total"</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-keyword kw">not</span> <span class="ruby-ivar">@hbase</span>.<span class="ruby-identifier">has_table?</span> <span class="ruby-ivar">@stablename</span>
<span class="ruby-ivar">@hbase</span>.<span class="ruby-identifier">create_table</span> <span class="ruby-ivar">@stablename</span>, <span class="ruby-value str">"totals"</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000028" class="method-detail">
<a name="M000028"></a>
<div class="method-heading">
<a href="#M000028" class="method-signature">
<span class="method-name">reset</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000028-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000028-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 25</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">reset</span>
<span class="ruby-identifier">drop_tables</span>
<span class="ruby-identifier">init_tables</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<h3 class="section-bar">Protected Instance methods</h3>
<div id="method-M000042" class="method-detail">
<a name="M000042"></a>
<div class="method-heading">
<a href="#M000042" class="method-signature">
<span class="method-name">freq_table</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000042-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000042-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 120</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">freq_table</span>
<span class="ruby-ivar">@ftable</span> <span class="ruby-operator">||=</span> <span class="ruby-ivar">@hbase</span>.<span class="ruby-identifier">get_table</span> <span class="ruby-ivar">@ftablename</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000040" class="method-detail">
<a name="M000040"></a>
<div class="method-heading">
<a href="#M000040" class="method-signature">
<span class="method-name">get_summary</span><span class="method-args">(name)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000040-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000040-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 108</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">get_summary</span>(<span class="ruby-identifier">name</span>)
<span class="ruby-identifier">counts</span> = <span class="ruby-constant">Hash</span>.<span class="ruby-identifier">new</span> <span class="ruby-value">0</span>
<span class="ruby-identifier">summary_table</span>.<span class="ruby-identifier">create_scanner</span>(<span class="ruby-value str">""</span>, <span class="ruby-identifier">name</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">row</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">counts</span>[<span class="ruby-identifier">row</span>.<span class="ruby-identifier">row</span>.<span class="ruby-identifier">intern</span>] = <span class="ruby-identifier">row</span>.<span class="ruby-identifier">columns</span>[<span class="ruby-identifier">name</span>].<span class="ruby-identifier">to_i64</span>
}
<span class="ruby-identifier">counts</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000041" class="method-detail">
<a name="M000041"></a>
<div class="method-heading">
<a href="#M000041" class="method-signature">
<span class="method-name">summary_table</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000041-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000041-source">
<pre>
<span class="ruby-comment cmt"># File lib/ankusa/hbase_storage.rb, line 116</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">summary_table</span>
<span class="ruby-ivar">@stable</span> <span class="ruby-operator">||=</span> <span class="ruby-ivar">@hbase</span>.<span class="ruby-identifier">get_table</span> <span class="ruby-ivar">@stablename</span>
<span class="ruby-keyword kw">end</span>
</pre>
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