Sonar fixes
Rule: Use isEmpty() to check whether the collection is empty or not.
Change-Id: Ib5ab56b2263623b297db56c5cac2c2ee80e12725
diff --git a/core/api/src/main/java/org/onosproject/net/meter/DefaultMeter.java b/core/api/src/main/java/org/onosproject/net/meter/DefaultMeter.java
index e2e049d..f33c914 100644
--- a/core/api/src/main/java/org/onosproject/net/meter/DefaultMeter.java
+++ b/core/api/src/main/java/org/onosproject/net/meter/DefaultMeter.java
@@ -222,7 +222,7 @@
public DefaultMeter build() {
checkNotNull(deviceId, "Must specify a device");
checkNotNull(bands, "Must have bands.");
- checkArgument(bands.size() > 0, "Must have at least one band.");
+ checkArgument(!bands.isEmpty(), "Must have at least one band.");
checkNotNull(appId, "Must have an application id");
checkNotNull(id, "Must specify a meter id");
return new DefaultMeter(deviceId, id, appId, unit, burst, bands);