| /** |
| * 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 kafka.admin |
| |
| /** |
| * Mode to control how rack aware replica assignment will be executed |
| */ |
| object RackAwareMode { |
| |
| /** |
| * Ignore all rack information in replica assignment. This is an optional mode used in command line. |
| */ |
| case object Disabled extends RackAwareMode |
| |
| /** |
| * Assume every broker has rack, or none of the brokers has rack. If only partial brokers have rack, fail fast |
| * in replica assignment. This is the default mode in command line tools (TopicCommand and ReassignPartitionsCommand). |
| */ |
| case object Enforced extends RackAwareMode |
| |
| /** |
| * Use rack information if every broker has a rack. Otherwise, fallback to Disabled mode. This is used in auto topic |
| * creation. |
| */ |
| case object Safe extends RackAwareMode |
| } |
| |
| sealed trait RackAwareMode |
