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Subject [GitHub] paul-rogers commented on a change in pull request #1652: DRILL-7046: Support for loading and parsing new RM config file
Date Sat, 23 Feb 2019 23:05:17 GMT
paul-rogers commented on a change in pull request #1652: DRILL-7046: Support for loading and
parsing new RM config file
URL: https://github.com/apache/drill/pull/1652#discussion_r259596051
 
 

 ##########
 File path: exec/java-exec/src/main/java/org/apache/drill/exec/resourcemgr/QueueAssignmentResult.java
 ##########
 @@ -0,0 +1,73 @@
+/*
+ * 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.drill.exec.resourcemgr;
+
+import org.apache.drill.exec.ops.QueryContext;
+import org.apache.drill.shaded.guava.com.google.common.base.Preconditions;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Used to keep track of selected leaf and all rejected {@link ResourcePool} for the provided
query.
+ * It is used by {@link ResourcePoolImpl#visitAndSelectPool(QueueAssignmentResult, QueryContext)}
 
 Review comment:
   Javadoc comments are great. As a first-time reader, I find the comments tell me what this
is "list of selected leaf...". But, not its purpose. For example, is this the result of matching
a query request to a resource pool? Is there a .md or package-info.java file that explains
the flow so I can see how this class is supposed to fit into that context?

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