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| <h2 title="Class ComputeEncryptedRow" class="title">Class ComputeEncryptedRow</h2> |
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| <pre>public class <span class="strong">ComputeEncryptedRow</span> |
| extends java.lang.Object</pre> |
| <div class="block">Class to compute the encrypted row elements for a query from extracted data partitions</div> |
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| <td class="colOne"><code><strong><a href="../../../../../../org/apache/pirk/responder/wideskies/common/ComputeEncryptedRow.html#ComputeEncryptedRow()">ComputeEncryptedRow</a></strong>()</code> </td> |
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| <td class="colFirst"><code>static java.util.List<scala.Tuple2<java.lang.Long,java.math.BigInteger>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/pirk/responder/wideskies/common/ComputeEncryptedRow.html#computeEncRow(org.apache.pirk.inputformat.hadoop.BytesArrayWritable,%20org.apache.pirk.query.wideskies.Query,%20int,%20int)">computeEncRow</a></strong>(<a href="../../../../../../org/apache/pirk/inputformat/hadoop/BytesArrayWritable.html" title="class in org.apache.pirk.inputformat.hadoop">BytesArrayWritable</a> dataPartitions, |
| <a href="../../../../../../org/apache/pirk/query/wideskies/Query.html" title="class in org.apache.pirk.query.wideskies">Query</a> query, |
| int rowIndex, |
| int colIndex)</code> |
| <div class="block">Method to compute the encrypted row elements for a query from extracted data partitions in the form of BytesArrayWritable</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static java.util.List<scala.Tuple2<java.lang.Long,java.math.BigInteger>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/pirk/responder/wideskies/common/ComputeEncryptedRow.html#computeEncRow(java.lang.Iterable,%20org.apache.pirk.query.wideskies.Query,%20int,%20boolean,%20int,%20boolean)">computeEncRow</a></strong>(java.lang.Iterable<<a href="../../../../../../org/apache/pirk/inputformat/hadoop/BytesArrayWritable.html" title="class in org.apache.pirk.inputformat.hadoop">BytesArrayWritable</a>> dataPartitionsIter, |
| <a href="../../../../../../org/apache/pirk/query/wideskies/Query.html" title="class in org.apache.pirk.query.wideskies">Query</a> query, |
| int rowIndex, |
| boolean limitHitsPerSelector, |
| int maxHitsPerSelector, |
| boolean useCache)</code> |
| <div class="block">Method to compute the encrypted row elements for a query from extracted data partitions in the form of Iterable<BytesArrayWritable></div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static java.util.List<scala.Tuple2<java.lang.Long,java.math.BigInteger>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/pirk/responder/wideskies/common/ComputeEncryptedRow.html#computeEncRowBI(java.lang.Iterable,%20org.apache.pirk.query.wideskies.Query,%20int,%20boolean,%20int,%20boolean)">computeEncRowBI</a></strong>(java.lang.Iterable<java.util.List<java.math.BigInteger>> dataPartitionsIter, |
| <a href="../../../../../../org/apache/pirk/query/wideskies/Query.html" title="class in org.apache.pirk.query.wideskies">Query</a> query, |
| int rowIndex, |
| boolean limitHitsPerSelector, |
| int maxHitsPerSelector, |
| boolean useCache)</code> |
| <div class="block">Method to compute the encrypted row elements for a query from extracted data partitions in the form of Iterable<code>* * * * </code></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static java.util.List<scala.Tuple2<java.lang.Long,java.math.BigInteger>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/pirk/responder/wideskies/common/ComputeEncryptedRow.html#computeEncRowCacheInput(java.lang.Iterable,%20java.util.HashMap,%20int,%20boolean,%20int)">computeEncRowCacheInput</a></strong>(java.lang.Iterable<java.util.List<java.math.BigInteger>> dataPartitionsIter, |
| java.util.HashMap<java.lang.Integer,java.math.BigInteger> cache, |
| int rowIndex, |
| boolean limitHitsPerSelector, |
| int maxHitsPerSelector)</code> |
| <div class="block">Method to compute the encrypted row elements for a query from extracted data partitions in the form of Iterable<BytesArrayWritable> * * * * given |
| an input modular exponentiation table for the row</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/pirk/responder/wideskies/common/ComputeEncryptedRow.html#loadCacheFromHDFS(org.apache.hadoop.fs.FileSystem,%20java.lang.String,%20org.apache.pirk.query.wideskies.Query)">loadCacheFromHDFS</a></strong>(org.apache.hadoop.fs.FileSystem fs, |
| java.lang.String hdfsFileName, |
| <a href="../../../../../../org/apache/pirk/query/wideskies/Query.html" title="class in org.apache.pirk.query.wideskies">Query</a> query)</code> |
| <div class="block">Populate the cache based on the pre-generated exp table in hdfs</div> |
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| <a name="ComputeEncryptedRow()"> |
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| <h4>ComputeEncryptedRow</h4> |
| <pre>public ComputeEncryptedRow()</pre> |
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| <h4>loadCacheFromHDFS</h4> |
| <pre>public static void loadCacheFromHDFS(org.apache.hadoop.fs.FileSystem fs, |
| java.lang.String hdfsFileName, |
| <a href="../../../../../../org/apache/pirk/query/wideskies/Query.html" title="class in org.apache.pirk.query.wideskies">Query</a> query) |
| throws java.io.IOException</pre> |
| <div class="block">Populate the cache based on the pre-generated exp table in hdfs</div> |
| <dl><dt><span class="strong">Throws:</span></dt> |
| <dd><code>java.io.IOException</code></dd></dl> |
| </li> |
| </ul> |
| <a name="computeEncRow(java.lang.Iterable, org.apache.pirk.query.wideskies.Query, int, boolean, int, boolean)"> |
| <!-- --> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>computeEncRow</h4> |
| <pre>public static java.util.List<scala.Tuple2<java.lang.Long,java.math.BigInteger>> computeEncRow(java.lang.Iterable<<a href="../../../../../../org/apache/pirk/inputformat/hadoop/BytesArrayWritable.html" title="class in org.apache.pirk.inputformat.hadoop">BytesArrayWritable</a>> dataPartitionsIter, |
| <a href="../../../../../../org/apache/pirk/query/wideskies/Query.html" title="class in org.apache.pirk.query.wideskies">Query</a> query, |
| int rowIndex, |
| boolean limitHitsPerSelector, |
| int maxHitsPerSelector, |
| boolean useCache) |
| throws java.io.IOException</pre> |
| <div class="block">Method to compute the encrypted row elements for a query from extracted data partitions in the form of Iterable<BytesArrayWritable> |
| <p> |
| For each row (as indicated by key = hash(selector)), iterates over the dataPartitions and calculates the column values. |
| <p> |
| Optionally uses a static LRU cache for the modular exponentiation |
| <p> |
| Emits <code>Tuple2<<colNum, colVal>></code></div> |
| <dl><dt><span class="strong">Throws:</span></dt> |
| <dd><code>java.io.IOException</code></dd></dl> |
| </li> |
| </ul> |
| <a name="computeEncRowBI(java.lang.Iterable, org.apache.pirk.query.wideskies.Query, int, boolean, int, boolean)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>computeEncRowBI</h4> |
| <pre>public static java.util.List<scala.Tuple2<java.lang.Long,java.math.BigInteger>> computeEncRowBI(java.lang.Iterable<java.util.List<java.math.BigInteger>> dataPartitionsIter, |
| <a href="../../../../../../org/apache/pirk/query/wideskies/Query.html" title="class in org.apache.pirk.query.wideskies">Query</a> query, |
| int rowIndex, |
| boolean limitHitsPerSelector, |
| int maxHitsPerSelector, |
| boolean useCache) |
| throws java.io.IOException</pre> |
| <div class="block">Method to compute the encrypted row elements for a query from extracted data partitions in the form of Iterable<code>* * * * </code> |
| <p> |
| For each row (as indicated by key = hash(selector)), iterates over the dataPartitions and calculates the column values. |
| <p> |
| Optionally uses a static LRU cache for the modular exponentiation |
| <p> |
| Emits <code>Tuple2<<colNum, colVal>></code></div> |
| <dl><dt><span class="strong">Throws:</span></dt> |
| <dd><code>java.io.IOException</code></dd></dl> |
| </li> |
| </ul> |
| <a name="computeEncRowCacheInput(java.lang.Iterable, java.util.HashMap, int, boolean, int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>computeEncRowCacheInput</h4> |
| <pre>public static java.util.List<scala.Tuple2<java.lang.Long,java.math.BigInteger>> computeEncRowCacheInput(java.lang.Iterable<java.util.List<java.math.BigInteger>> dataPartitionsIter, |
| java.util.HashMap<java.lang.Integer,java.math.BigInteger> cache, |
| int rowIndex, |
| boolean limitHitsPerSelector, |
| int maxHitsPerSelector) |
| throws java.io.IOException</pre> |
| <div class="block">Method to compute the encrypted row elements for a query from extracted data partitions in the form of Iterable<BytesArrayWritable> * * * * given |
| an input modular exponentiation table for the row |
| <p> |
| For each row (as indicated by key = hash(selector)), iterates over the dataPartitions and calculates the column values. |
| <p> |
| Emits <code>Tuple2<<colNum, colVal>></code></div> |
| <dl><dt><span class="strong">Throws:</span></dt> |
| <dd><code>java.io.IOException</code></dd></dl> |
| </li> |
| </ul> |
| <a name="computeEncRow(org.apache.pirk.inputformat.hadoop.BytesArrayWritable, org.apache.pirk.query.wideskies.Query, int, int)"> |
| <!-- --> |
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| <h4>computeEncRow</h4> |
| <pre>public static java.util.List<scala.Tuple2<java.lang.Long,java.math.BigInteger>> computeEncRow(<a href="../../../../../../org/apache/pirk/inputformat/hadoop/BytesArrayWritable.html" title="class in org.apache.pirk.inputformat.hadoop">BytesArrayWritable</a> dataPartitions, |
| <a href="../../../../../../org/apache/pirk/query/wideskies/Query.html" title="class in org.apache.pirk.query.wideskies">Query</a> query, |
| int rowIndex, |
| int colIndex) |
| throws java.io.IOException</pre> |
| <div class="block">Method to compute the encrypted row elements for a query from extracted data partitions in the form of BytesArrayWritable |
| <p> |
| For each row (as indicated by key = hash(selector)), iterates over the dataPartitions and calculates the column values. |
| <p> |
| Uses a static LRU cache for the modular exponentiation |
| <p> |
| Caller is responsible for keeping track of the colIndex and the the maxHitsPerSelector values |
| <p> |
| Emits <code>Tuple2<<colNum, colVal>></code></div> |
| <dl><dt><span class="strong">Throws:</span></dt> |
| <dd><code>java.io.IOException</code></dd></dl> |
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