Github user clharris commented on a diff in the pull request:
https://github.com/apache/incubator-pirk/pull/74#discussion_r75539766
--- Diff:
src/main/java/org/apache/pirk/responder/wideskies/common/ComputeEncryptedRow.java
---
@@ -319,4 +314,80 @@ public static void loadCacheFromHDFS(FileSystem fs,
String hdfsFileName, Query q
return returnPairs;
}
+
+ /**
+ * Method to compute the encrypted row elements for a query from
extracted data partitions in the form of ArrayList<<BigInteger>>
+ * <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>>}
+ */
+ public static ArrayList<Tuple2<Long,BigInteger>>
computeEncRow(ArrayList<BigInteger> dataPartitions, Query query, int rowIndex,
int colIndex)
+ throws IOException
+ {
+ ArrayList<Tuple2<Long,BigInteger>> returnPairs = new
ArrayList<Tuple2<Long,BigInteger>>();
--- End diff --
Will do.
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