Github user imesh commented on a diff in the pull request:
https://github.com/apache/stratos/pull/419#discussion_r36939218
--- Diff:
extensions/load-balancer/gce-extension/src/main/java/org/apache/stratos/gce/extension/GCEStatisticsReader.java
---
@@ -0,0 +1,52 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.stratos.gce.extension;
+
+
+import org.apache.stratos.common.constants.StratosConstants;
+import
org.apache.stratos.load.balancer.common.statistics.LoadBalancerStatisticsReader;
+import org.apache.stratos.load.balancer.common.topology.TopologyProvider;
+
+/**
+ * GCE extension statistics reader class.
+ */
+public class GCEStatisticsReader implements LoadBalancerStatisticsReader {
+
+ private TopologyProvider topologyProvider;
+ private String clusterInstanceId;
+
+ public GCEStatisticsReader(TopologyProvider topologyProvider) {
+ this.topologyProvider = topologyProvider;
+ this.clusterInstanceId = System.getProperty(StratosConstants.
+ CLUSTER_INSTANCE_ID, StratosConstants.NOT_DEFINED);
+
+ }
+
+ @Override
+ public String getClusterInstanceId() {
+ return clusterInstanceId;
+ }
+
+ @Override
+ public int getInFlightRequestCount(String clusterId) {
+ //There is no way in GCE API to get in flight request count!
--- End diff --
Here we might need to say that its not possible to read the request count
via the GCE API at the moment. Say "no way" might be misleading at a different
point of time if GCE introduce a new API method.
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