Merge "Clean up ConditionTracker variables for tracking unsliced condition" into rvc-dev am: 9d94c092ed

Change-Id: Id4ec3f34c5904b1f636e24cf2c335e4ee09e769a

cmds/statsd/src/condition/CombinationConditionTracker.cpp

@@ -141,17 +141,14 @@ void CombinationConditionTracker::evaluateCondition(
     ConditionState newCondition =
             evaluateCombinationCondition(mChildren, mLogicalOperation, nonSlicedConditionCache);
     if (!mSliced) {
+        bool nonSlicedChanged = (mUnSlicedPartCondition != newCondition);
+        mUnSlicedPartCondition = newCondition;
 
-        bool nonSlicedChanged = (mNonSlicedConditionState != newCondition);
-        mNonSlicedConditionState = newCondition;
-
-        nonSlicedConditionCache[mIndex] = mNonSlicedConditionState;
-
+        nonSlicedConditionCache[mIndex] = mUnSlicedPartCondition;
         conditionChangedCache[mIndex] = nonSlicedChanged;
-        mUnSlicedPart = newCondition;
     } else {
-        mUnSlicedPart = evaluateCombinationCondition(
-            mUnSlicedChildren, mLogicalOperation, nonSlicedConditionCache);
+        mUnSlicedPartCondition = evaluateCombinationCondition(mUnSlicedChildren, mLogicalOperation,
+                                                              nonSlicedConditionCache);
 
         for (const int childIndex : mChildren) {
             // If any of the sliced condition in children condition changes, the combination

cmds/statsd/src/condition/ConditionTracker.h

@@ -36,7 +36,7 @@ public:
           mIndex(index),
           mInitialized(false),
           mTrackerIndex(),
-          mNonSlicedConditionState(ConditionState::kUnknown),
+          mUnSlicedPartCondition(ConditionState::kUnknown),
           mSliced(false){};
 
     virtual ~ConditionTracker(){};
@@ -72,11 +72,6 @@ public:
                                    std::vector<ConditionState>& conditionCache,
                                    std::vector<bool>& conditionChanged) = 0;
 
-    // Return the current condition state.
-    virtual ConditionState isConditionMet() const {
-        return mNonSlicedConditionState;
-    };
-
     // Query the condition with parameters.
     // [conditionParameters]: a map from condition name to the HashableDimensionKey to query the
     //                       condition.
@@ -125,8 +120,9 @@ public:
         const std::vector<sp<ConditionTracker>>& allConditions,
         const vector<Matcher>& dimensions) const = 0;
 
+    // Return the current condition state of the unsliced part of the condition.
     inline ConditionState getUnSlicedPartConditionState() const  {
-        return mUnSlicedPart;
+        return mUnSlicedPartCondition;
     }
 
 protected:
@@ -141,10 +137,16 @@ protected:
     // the list of LogMatchingTracker index that this ConditionTracker uses.
     std::set<int> mTrackerIndex;
 
-    ConditionState mNonSlicedConditionState;
+    // This variable is only used for CombinationConditionTrackers.
+    // SimpleConditionTrackers technically don't have an unsliced part because
+    // they are either sliced or unsliced.
+    //
+    // CombinationConditionTrackers have multiple children ConditionTrackers
+    // that can be a mixture of sliced or unsliced. This tracks the
+    // condition of the unsliced part of the combination condition.
+    ConditionState mUnSlicedPartCondition;
 
     bool mSliced;
-    ConditionState mUnSlicedPart;
 };
 
 }  // namespace statsd

cmds/statsd/src/condition/SimpleConditionTracker.cpp

@@ -85,12 +85,6 @@ SimpleConditionTracker::SimpleConditionTracker(
         mInitialValue = ConditionState::kUnknown;
     }
 
-    mNonSlicedConditionState = mInitialValue;
-
-    if (!mSliced) {
-        mUnSlicedPart = mInitialValue;
-    }
-
     mInitialized = true;
 }
 
@@ -141,9 +135,6 @@ void SimpleConditionTracker::handleStopAll(std::vector<ConditionState>& conditio
     mInitialValue = ConditionState::kFalse;
     mSlicedConditionState.clear();
     conditionCache[mIndex] = ConditionState::kFalse;
-    if (!mSliced) {
-        mUnSlicedPart = ConditionState::kFalse;
-    }
 }
 
 bool SimpleConditionTracker::hitGuardRail(const HashableDimensionKey& newKey) {
@@ -305,9 +296,7 @@ void SimpleConditionTracker::evaluateCondition(
                 conditionCache[mIndex] =
                         itr->second > 0 ? ConditionState::kTrue : ConditionState::kFalse;
             }
-            mUnSlicedPart = conditionCache[mIndex];
         }
-
         return;
     }
 
@@ -333,9 +322,6 @@ void SimpleConditionTracker::evaluateCondition(
     }
     conditionCache[mIndex] = overallState;
     conditionChangedCache[mIndex] = overallChanged;
-    if (!mSliced) {
-        mUnSlicedPart = overallState;
-    }
 }
 
 void SimpleConditionTracker::isConditionMet(