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| <div class="subTitle">org.apache.pirk.responder.wideskies.mapreduce</div> |
| <h2 title="Class RowCalcReducer" class="title">Class RowCalcReducer</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
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| <ul class="inheritance"> |
| <li>org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,<a href="../../../../../../org/apache/pirk/inputformat/hadoop/BytesArrayWritable.html" title="class in org.apache.pirk.inputformat.hadoop">BytesArrayWritable</a>,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text></li> |
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| <ul class="inheritance"> |
| <li>org.apache.pirk.responder.wideskies.mapreduce.RowCalcReducer</li> |
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| <pre>public class <span class="strong">RowCalcReducer</span> |
| extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,<a href="../../../../../../org/apache/pirk/inputformat/hadoop/BytesArrayWritable.html" title="class in org.apache.pirk.inputformat.hadoop">BytesArrayWritable</a>,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text></pre> |
| <div class="block">Reducer class to calculate the encrypted rows of the encrypted query |
| <p> |
| For each row (as indicated by key = hash(selector)), iterates over each dataElement and calculates the column values. |
| <p> |
| Emits <code><colNum, colVal></code></div> |
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| <h3>Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer</h3> |
| <code>org.apache.hadoop.mapreduce.Reducer.Context</code></li> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <tr class="altColor"> |
| <td class="colOne"><code><strong><a href="../../../../../../org/apache/pirk/responder/wideskies/mapreduce/RowCalcReducer.html#RowCalcReducer()">RowCalcReducer</a></strong>()</code> </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/pirk/responder/wideskies/mapreduce/RowCalcReducer.html#cleanup(org.apache.hadoop.mapreduce.Reducer.Context)">cleanup</a></strong>(org.apache.hadoop.mapreduce.Reducer.Context ctx)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/pirk/responder/wideskies/mapreduce/RowCalcReducer.html#reduce(org.apache.hadoop.io.IntWritable,%20java.lang.Iterable,%20org.apache.hadoop.mapreduce.Reducer.Context)">reduce</a></strong>(org.apache.hadoop.io.IntWritable rowIndex, |
| java.lang.Iterable<<a href="../../../../../../org/apache/pirk/inputformat/hadoop/BytesArrayWritable.html" title="class in org.apache.pirk.inputformat.hadoop">BytesArrayWritable</a>> dataElementPartitions, |
| org.apache.hadoop.mapreduce.Reducer.Context ctx)</code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/pirk/responder/wideskies/mapreduce/RowCalcReducer.html#setup(org.apache.hadoop.mapreduce.Reducer.Context)">setup</a></strong>(org.apache.hadoop.mapreduce.Reducer.Context ctx)</code> </td> |
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| <code>run</code></li> |
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| <code>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
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| <h3>Constructor Detail</h3> |
| <a name="RowCalcReducer()"> |
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| <h4>RowCalcReducer</h4> |
| <pre>public RowCalcReducer()</pre> |
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| <a name="setup(org.apache.hadoop.mapreduce.Reducer.Context)"> |
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| <h4>setup</h4> |
| <pre>public void setup(org.apache.hadoop.mapreduce.Reducer.Context ctx) |
| throws java.io.IOException, |
| java.lang.InterruptedException</pre> |
| <dl> |
| <dt><strong>Overrides:</strong></dt> |
| <dd><code>setup</code> in class <code>org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,<a href="../../../../../../org/apache/pirk/inputformat/hadoop/BytesArrayWritable.html" title="class in org.apache.pirk.inputformat.hadoop">BytesArrayWritable</a>,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text></code></dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code>java.io.IOException</code></dd> |
| <dd><code>java.lang.InterruptedException</code></dd></dl> |
| </li> |
| </ul> |
| <a name="reduce(org.apache.hadoop.io.IntWritable, java.lang.Iterable, org.apache.hadoop.mapreduce.Reducer.Context)"> |
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| <h4>reduce</h4> |
| <pre>public void reduce(org.apache.hadoop.io.IntWritable rowIndex, |
| java.lang.Iterable<<a href="../../../../../../org/apache/pirk/inputformat/hadoop/BytesArrayWritable.html" title="class in org.apache.pirk.inputformat.hadoop">BytesArrayWritable</a>> dataElementPartitions, |
| org.apache.hadoop.mapreduce.Reducer.Context ctx) |
| throws java.io.IOException, |
| java.lang.InterruptedException</pre> |
| <dl> |
| <dt><strong>Overrides:</strong></dt> |
| <dd><code>reduce</code> in class <code>org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,<a href="../../../../../../org/apache/pirk/inputformat/hadoop/BytesArrayWritable.html" title="class in org.apache.pirk.inputformat.hadoop">BytesArrayWritable</a>,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text></code></dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code>java.io.IOException</code></dd> |
| <dd><code>java.lang.InterruptedException</code></dd></dl> |
| </li> |
| </ul> |
| <a name="cleanup(org.apache.hadoop.mapreduce.Reducer.Context)"> |
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| <h4>cleanup</h4> |
| <pre>public void cleanup(org.apache.hadoop.mapreduce.Reducer.Context ctx) |
| throws java.io.IOException, |
| java.lang.InterruptedException</pre> |
| <dl> |
| <dt><strong>Overrides:</strong></dt> |
| <dd><code>cleanup</code> in class <code>org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,<a href="../../../../../../org/apache/pirk/inputformat/hadoop/BytesArrayWritable.html" title="class in org.apache.pirk.inputformat.hadoop">BytesArrayWritable</a>,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text></code></dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code>java.io.IOException</code></dd> |
| <dd><code>java.lang.InterruptedException</code></dd></dl> |
| </li> |
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