jiajunwang commented on a change in pull request #698: Implement Azure cloud 
instance information processor
URL: https://github.com/apache/helix/pull/698#discussion_r373214601
 
 

 ##########
 File path: 
helix-core/src/main/java/org/apache/helix/cloud/azure/AzureCloudInstanceInformationProcessor.java
 ##########
 @@ -19,38 +19,111 @@
  * under the License.
  */
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
+import org.apache.helix.HelixCloudProperty;
+import org.apache.helix.HelixException;
 import org.apache.helix.api.cloud.CloudInstanceInformationProcessor;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.util.EntityUtils;
+import org.codehaus.jackson.JsonNode;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
+public class AzureCloudInstanceInformationProcessor
+    implements CloudInstanceInformationProcessor<String> {
+  private CloseableHttpClient _closeableHttpClient;
+  private HelixCloudProperty _helixCloudProperty;
 
-public class AzureCloudInstanceInformationProcessor implements 
CloudInstanceInformationProcessor<String> {
+  public AzureCloudInstanceInformationProcessor(HelixCloudProperty 
helixCloudProperty) {
+    _closeableHttpClient = AzureHttpUtil.getHttpClient(helixCloudProperty);
+    _helixCloudProperty = helixCloudProperty;
+  }
 
-  public AzureCloudInstanceInformationProcessor() {
+  /**
+   * This constructor is for unit test purpose only.
+   * User could provide helixCloudProperty and a mocked http client to test 
the functionality of
+   * this class.
+   */
+  public AzureCloudInstanceInformationProcessor(HelixCloudProperty 
helixCloudProperty,
 
 Review comment:
   Try to put the test in the same package. So this method can be protected.
   And the public method should call this one instead of duplicating the code.

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