SLING-4080 - API to capture/measure application-level metrics
Use enum variant for singleton access
git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1723460 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/sling/commons/metrics/NoopMetric.java b/src/main/java/org/apache/sling/commons/metrics/NoopMetric.java
index f1595ff..ed7a25b 100644
--- a/src/main/java/org/apache/sling/commons/metrics/NoopMetric.java
+++ b/src/main/java/org/apache/sling/commons/metrics/NoopMetric.java
@@ -21,8 +21,9 @@
import java.util.concurrent.TimeUnit;
-final class NoopMetric implements Counter, Histogram, Timer, Meter{
- public static final NoopMetric INSTANCE = new NoopMetric();
+enum NoopMetric implements Counter, Histogram, Timer, Meter{
+ INSTANCE;
+
@Override
public long getCount() {
return 0;
@@ -78,8 +79,8 @@
return null;
}
- private static final class NoopContext implements Context {
- public static final NoopContext INSTANCE = new NoopContext();
+ private enum NoopContext implements Context {
+ INSTANCE;
@Override
public long stop() {
