[ONOS-6470] Method names are confusing, needs to be changed

Change-Id: I620cf5225b34f22dd176a65f211886d386f62872
diff --git a/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/PortStatsCollector.java b/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/PortStatsCollector.java
index 15cab14..18b939f 100644
--- a/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/PortStatsCollector.java
+++ b/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/PortStatsCollector.java
@@ -62,7 +62,7 @@
 
         @Override
         public void run() {
-            sendPortStatistic();
+            sendPortStatisticRequest();
         }
     }
 
@@ -101,7 +101,7 @@
     /**
      * Sends port statistic request to switch.
      */
-    private void sendPortStatistic() {
+    private void sendPortStatisticRequest() {
         if (sw.getRole() != RoleState.MASTER) {
             return;
         }
diff --git a/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/GroupStatsCollector.java b/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/GroupStatsCollector.java
index 146ccc3..d13a5b0 100644
--- a/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/GroupStatsCollector.java
+++ b/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/GroupStatsCollector.java
@@ -60,7 +60,7 @@
     public void run(Timeout timeout) throws Exception {
         log.trace("Collecting stats for {}", sw.getStringId());
 
-        sendGroupStatistic();
+        sendGroupStatisticRequest();
 
         if (!this.stopTimer) {
             log.trace("Scheduling stats collection in {} seconds for {}",
@@ -70,7 +70,7 @@
         }
     }
 
-    private void sendGroupStatistic() {
+    private void sendGroupStatisticRequest() {
         if (log.isTraceEnabled()) {
             log.trace("sendGroupStatistics {}:{}", sw.getStringId(), sw.getRole());
         }
diff --git a/providers/openflow/meter/src/main/java/org/onosproject/provider/of/meter/impl/MeterStatsCollector.java b/providers/openflow/meter/src/main/java/org/onosproject/provider/of/meter/impl/MeterStatsCollector.java
index 4c44dfc..38af8db0 100644
--- a/providers/openflow/meter/src/main/java/org/onosproject/provider/of/meter/impl/MeterStatsCollector.java
+++ b/providers/openflow/meter/src/main/java/org/onosproject/provider/of/meter/impl/MeterStatsCollector.java
@@ -63,7 +63,7 @@
 
         log.trace("Collecting stats for {}", sw.getStringId());
 
-        sendMeterStatistic();
+        sendMeterStatisticRequest();
 
         if (!this.stopTimer) {
             log.trace("Scheduling stats collection in {} seconds for {}",
@@ -73,7 +73,7 @@
         }
     }
 
-    public void sendMeterStatistic() {
+    public void sendMeterStatisticRequest() {
         if (log.isTraceEnabled()) {
             log.trace("sendMeterStatistics {}:{}", sw.getStringId(), sw.getRole());
         }
diff --git a/providers/openflow/meter/src/main/java/org/onosproject/provider/of/meter/impl/OpenFlowMeterProvider.java b/providers/openflow/meter/src/main/java/org/onosproject/provider/of/meter/impl/OpenFlowMeterProvider.java
index f111576..147e124 100644
--- a/providers/openflow/meter/src/main/java/org/onosproject/provider/of/meter/impl/OpenFlowMeterProvider.java
+++ b/providers/openflow/meter/src/main/java/org/onosproject/provider/of/meter/impl/OpenFlowMeterProvider.java
@@ -194,7 +194,7 @@
         OpenFlowSwitch sw = controller.getSwitch(dpid);
 
         MeterStatsCollector once = new MeterStatsCollector(sw, 1);
-        once.sendMeterStatistic();
+        once.sendMeterStatisticRequest();
 
     }