[sling-org-apache-sling-commons-metrics] 04/44: SLING-4080 - API to capture/measure application-level metrics

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rombert pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/sling-org-apache-sling-commons-metrics.git

commit 8ffd002dea23b378d5c83a87d6bceeeb1a0bbb78
Author: Chetan Mehrotra <ch...@apache.org>
AuthorDate: Thu Jan 7 05:09:22 2016 +0000

    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
---
 src/main/java/org/apache/sling/commons/metrics/NoopMetric.java | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

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 @@ package org.apache.sling.commons.metrics;
 
 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 @@ final class NoopMetric implements Counter, Histogram, Timer, Meter{
         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() {

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