jiajunwang commented on a change in pull request #362: The WAGED rebalancer
cluster model implementation
URL: https://github.com/apache/helix/pull/362#discussion_r309898755
##########
File path:
helix-core/src/main/java/org/apache/helix/controller/rebalancer/waged/model/AssignableNode.java
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@@ -19,10 +19,293 @@
* under the License.
*/
+import org.apache.helix.HelixException;
+import
org.apache.helix.controller.dataproviders.ResourceControllerDataProvider;
+import org.apache.helix.model.ClusterConfig;
+import org.apache.helix.model.InstanceConfig;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import static java.lang.Math.max;
+
/**
- * A placeholder before we have the implementation.
- *
- * This class represents a potential allocation of the replication.
- * Note that AssignableNode is not thread safe.
+ * This class represents a possible allocation of the replication.
+ * Note that any usage updates to the AssignableNode are not thread safe.
*/
-public class AssignableNode { }
+public class AssignableNode {
+ private static final Logger _logger =
LoggerFactory.getLogger(AssignableNode.class.getName());
Review comment:
I'm fine with LOG. Just to confirm, using LOG is because of static final,
right?
I think it's a good call.
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