xiaohui-sun commented on a change in pull request #4213: [TE] Refactor cube algorithm for adding ratio cube in the future. URL: https://github.com/apache/incubator-pinot/pull/4213#discussion_r287206242
########## File path: thirdeye/thirdeye-pinot/src/main/java/org/apache/pinot/thirdeye/cube/data/node/CubeNodeUtils.java ########## @@ -0,0 +1,72 @@ +/* + * 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.pinot.thirdeye.cube.data.node; + +import java.util.List; +import org.apache.commons.lang.ObjectUtils; + + +public class CubeNodeUtils { + + /** + * Check if the hierarchical tree of the given two root nodes are the same. + * + * @param node1 the root node of the first hierarchical tree. + * @param node2 the root node of the second hierarchical tree. + * + * @return true if both hierarchical tree are the same. + */ + public static boolean equalHierarchy(CubeNode node1, CubeNode node2) { + return equalHierarchy(node1, null, node2, null); + } + + public static boolean equalHierarchy(CubeNode node1, CubeNode node1Parent, CubeNode node2, CubeNode node2Parent) { + boolean sameData = ObjectUtils.equals(node1, node2); + if (sameData) { Review comment: It would be more clear if using: if (!sameData) return false; // other logics ..... ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org