From a2241dd72616869db521cc18724f7beab85be168 Mon Sep 17 00:00:00 2001
From: Kristen Kozak <sebright@google.com>
Date: Wed, 20 Dec 2017 10:46:38 -0800
Subject: Rename NullnessUtils to CheckerFrameworkUtils.

---
 .../io/opencensus/implcore/stats/MutableAggregation.java  | 13 ++++++++-----
 .../io/opencensus/implcore/stats/MutableViewData.java     | 15 +++++++++------
 2 files changed, 17 insertions(+), 11 deletions(-)

(limited to 'impl_core/src/main/java/io/opencensus/implcore/stats')

diff --git a/impl_core/src/main/java/io/opencensus/implcore/stats/MutableAggregation.java b/impl_core/src/main/java/io/opencensus/implcore/stats/MutableAggregation.java
index 1a5771eb..49124b00 100644
--- a/impl_core/src/main/java/io/opencensus/implcore/stats/MutableAggregation.java
+++ b/impl_core/src/main/java/io/opencensus/implcore/stats/MutableAggregation.java
@@ -20,7 +20,7 @@ import static com.google.common.base.Preconditions.checkArgument;
 import static com.google.common.base.Preconditions.checkNotNull;
 
 import io.opencensus.common.Function;
-import io.opencensus.implcore.internal.NullnessUtils;
+import io.opencensus.implcore.internal.CheckerFrameworkUtils;
 import io.opencensus.stats.Aggregation;
 import io.opencensus.stats.BucketBoundaries;
 
@@ -100,7 +100,8 @@ abstract class MutableAggregation {
         Function<? super MutableCount, T> p1,
         Function<? super MutableMean, T> p2,
         Function<? super MutableDistribution, T> p3) {
-      return NullnessUtils.<MutableSum, T>removeSuperFromFunctionParameterType(p0).apply(this);
+      return CheckerFrameworkUtils.<MutableSum, T>removeSuperFromFunctionParameterType(p0)
+          .apply(this);
     }
   }
 
@@ -146,7 +147,8 @@ abstract class MutableAggregation {
         Function<? super MutableCount, T> p1,
         Function<? super MutableMean, T> p2,
         Function<? super MutableDistribution, T> p3) {
-      return NullnessUtils.<MutableCount, T>removeSuperFromFunctionParameterType(p1).apply(this);
+      return CheckerFrameworkUtils.<MutableCount, T>removeSuperFromFunctionParameterType(p1)
+          .apply(this);
     }
   }
 
@@ -214,7 +216,8 @@ abstract class MutableAggregation {
         Function<? super MutableCount, T> p1,
         Function<? super MutableMean, T> p2,
         Function<? super MutableDistribution, T> p3) {
-      return NullnessUtils.<MutableMean, T>removeSuperFromFunctionParameterType(p2).apply(this);
+      return CheckerFrameworkUtils.<MutableMean, T>removeSuperFromFunctionParameterType(p2)
+          .apply(this);
     }
   }
 
@@ -356,7 +359,7 @@ abstract class MutableAggregation {
         Function<? super MutableCount, T> p1,
         Function<? super MutableMean, T> p2,
         Function<? super MutableDistribution, T> p3) {
-      return NullnessUtils.<MutableDistribution, T>removeSuperFromFunctionParameterType(p3)
+      return CheckerFrameworkUtils.<MutableDistribution, T>removeSuperFromFunctionParameterType(p3)
           .apply(this);
     }
   }
diff --git a/impl_core/src/main/java/io/opencensus/implcore/stats/MutableViewData.java b/impl_core/src/main/java/io/opencensus/implcore/stats/MutableViewData.java
index 4963ce59..8ecb7dca 100644
--- a/impl_core/src/main/java/io/opencensus/implcore/stats/MutableViewData.java
+++ b/impl_core/src/main/java/io/opencensus/implcore/stats/MutableViewData.java
@@ -26,7 +26,7 @@ import io.opencensus.common.Duration;
 import io.opencensus.common.Function;
 import io.opencensus.common.Functions;
 import io.opencensus.common.Timestamp;
-import io.opencensus.implcore.internal.NullnessUtils;
+import io.opencensus.implcore.internal.CheckerFrameworkUtils;
 import io.opencensus.implcore.stats.MutableAggregation.MutableCount;
 import io.opencensus.implcore.stats.MutableAggregation.MutableDistribution;
 import io.opencensus.implcore.stats.MutableAggregation.MutableMean;
@@ -313,7 +313,7 @@ abstract class MutableViewData {
           getTagValues(getTagMap(context), super.view.getColumns());
       refreshBucketList(timestamp);
       // It is always the last bucket that does the recording.
-      NullnessUtils.castNonNull(buckets.peekLast()).record(tagValues, value);
+      CheckerFrameworkUtils.castNonNull(buckets.peekLast()).record(tagValues, value);
     }
 
     @Override
@@ -351,7 +351,8 @@ abstract class MutableViewData {
       if (buckets.size() != N + 1) {
         throw new AssertionError("Bucket list must have exactly " + (N + 1) + " buckets.");
       }
-      Timestamp startOfLastBucket = NullnessUtils.castNonNull(buckets.peekLast()).getStart();
+      Timestamp startOfLastBucket =
+          CheckerFrameworkUtils.castNonNull(buckets.peekLast()).getStart();
       // TODO(songya): decide what to do when time goes backwards
       checkArgument(
           now.compareTo(startOfLastBucket) >= 0,
@@ -368,7 +369,9 @@ abstract class MutableViewData {
 
       if (!buckets.isEmpty()) {
         startOfNewBucket =
-            NullnessUtils.castNonNull(buckets.peekLast()).getStart().addDuration(bucketDuration);
+            CheckerFrameworkUtils.castNonNull(buckets.peekLast())
+                .getStart()
+                .addDuration(bucketDuration);
       } else {
         // Initialize bucket list. Should only enter this block once.
         startOfNewBucket = subtractDuration(now, totalDuration);
@@ -418,8 +421,8 @@ abstract class MutableViewData {
         Aggregation aggregation,
         Timestamp now) {
       // Put fractional stats of the head (oldest) bucket.
-      IntervalBucket head = NullnessUtils.castNonNull(buckets.peekFirst());
-      IntervalBucket tail = NullnessUtils.castNonNull(buckets.peekLast());
+      IntervalBucket head = CheckerFrameworkUtils.castNonNull(buckets.peekFirst());
+      IntervalBucket tail = CheckerFrameworkUtils.castNonNull(buckets.peekLast());
       double fractionTail = tail.getFraction(now);
       // TODO(songya): decide what to do when time goes backwards
       checkArgument(
-- 
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