sebwrede commented on a change in pull request #1060:
URL: https://github.com/apache/systemds/pull/1060#discussion_r493274070
##########
File path:
src/main/java/org/apache/sysds/runtime/privacy/propagation/PrivacyPropagator.java
##########
@@ -64,7 +64,61 @@ public static Data parseAndSetPrivacyConstraint(Data cd,
JSONObject mtd)
}
return cd;
}
-
+
+ private static boolean anyInputHasLevel(PrivacyLevel[] inputLevels,
PrivacyLevel targetLevel){
+ return Arrays.stream(inputLevels).anyMatch(i -> i ==
targetLevel);
+ }
+
+ /**
+ * Returns the output privacy level based on the given input privacy
levels and operator type.
+ * It represents the basic logic of privacy propagation:
+ *
+ * Unary input:
+ * Input | NonAggregate | Aggregate
+ * -----------------------------------
+ * priv | priv | priv
+ * privAgg | privAgg | none
+ * none | none | none
+ *
+ * Binary input:
+ * Input | NonAggregate | Aggregate
+ * -----------------------------------
Review comment:
I am not sure, what you believe should be aligned, but now I added
additional "-------".
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