RussellSpitzer commented on code in PR #4377: URL: https://github.com/apache/iceberg/pull/4377#discussion_r843993120
########## api/src/main/java/org/apache/iceberg/RewriteJobOrder.java: ########## @@ -0,0 +1,68 @@ +/* + * 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.iceberg; + +import org.apache.iceberg.relocated.com.google.common.base.Preconditions; + +/** + * Enum of supported rewrite job order, it defines the order in which the file groups should be + * written. + * <p> + * 1. bytes-asc: rewrite the smallest job groups first. + * <p> + * 2. bytes-desc: rewrite the largest job groups first. + * <p> + * 3. files-asc: rewrite the job groups with the least files first. + * <p> + * 4. files-desc: rewrite the job groups with the most files first. + * <p> + * 5. none: rewrite job groups in the order they were planned (no specific ordering). + */ +public enum RewriteJobOrder { + BYTES_ASC("bytes-asc"), BYTES_DESC("bytes-desc"), + FILES_ASC("files-asc"), FILES_DESC("files-desc"), NONE("none"); + + private final String orderName; + + RewriteJobOrder(String orderName) { + this.orderName = orderName; + } + + public String orderName() { + return orderName; + } + + public static RewriteJobOrder fromName(String orderName) { + Preconditions.checkNotNull(orderName, "Name of rewrite job order should not be null"); + if ("bytes-asc".equalsIgnoreCase(orderName)) { + return BYTES_ASC; + } else if ("bytes-desc".equalsIgnoreCase(orderName)) { + return BYTES_DESC; + } else if ("files-asc".equalsIgnoreCase(orderName)) { + return FILES_ASC; + } else if ("files-desc".equalsIgnoreCase(orderName)) { + return FILES_DESC; + } else if ("none".equalsIgnoreCase(orderName)) { + return NONE; + } else { + return null; Review Comment: I suggest using the code I have above, since if we don't match any of the enum values we should probably throw an error -- 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] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
