jerryshao commented on code in PR #7610: URL: https://github.com/apache/gravitino/pull/7610#discussion_r2196480635
########## api/src/main/java/org/apache/gravitino/stats/SupportsPartitionStatistics.java: ########## @@ -0,0 +1,65 @@ +/* + * 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.gravitino.stats; + +import java.util.List; +import java.util.Map; +import java.util.Optional; +import org.apache.gravitino.exceptions.UnmodifiableStatisticException; + +/** SupportsPartitionStatistics provides methods to list and update statistics for partitions. */ +interface SupportsPartitionStatistics { + + /** + * Lists statistics for partitions from one partition name to another partition name. + * + * @param fromPartitionName Optional partition name to start listing from, inclusive. + * @param toPartitionName Optional partition name to end listing at, exclusive. + * @throws IllegalArgumentException if fromPartitionName and toPartitionName are empty at the same + * time or the toPartitionName partition key must be greater than fromPartitionName partition + * key. + * @return a map where the key is the partition name and the value is a list of statistics + */ + Map<String, List<Statistic>> listStatistics( + Optional<String> fromPartitionName, Optional<String> toPartitionName) + throws IllegalArgumentException; Review Comment: It is better if we could impose some restrictions on the input parameters to avoid user to choose `Optional` for both from and to. Can you refer to other projects to see how they implement this? -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
