[FLINK-7443] [metrics] MetricFetcher store and deserializer fields no…

…w final This closes apache#4539.
PangZhi · Aug 15, 2017 · 9eeb5b2 · 9eeb5b2
1 parent 61ed131
commit 9eeb5b2
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/...-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/metrics/MetricFetcher.java b/...-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/metrics/MetricFetcher.java
@@ -58,8 +58,8 @@ public class MetricFetcher {
 	private final Executor executor;
 	private final Time timeout;
 
-	private MetricStore metrics = new MetricStore();
-	private MetricDumpDeserializer deserializer = new MetricDumpDeserializer();
+	private final MetricStore metrics = new MetricStore();
+	private final MetricDumpDeserializer deserializer = new MetricDumpDeserializer();
 
 	private long lastUpdateTime;