| /* |
| * |
| * 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.cassandra.repair; |
| |
| /** |
| * Specify the degree of parallelism when calculating the merkle trees in a repair job. |
| */ |
| public enum RepairParallelism |
| { |
| /** |
| * One node at a time |
| */ |
| SEQUENTIAL("sequential"), |
| |
| /** |
| * All nodes at the same time |
| */ |
| PARALLEL("parallel"), |
| |
| /** |
| * One node per data center at a time |
| */ |
| DATACENTER_AWARE("dc_parallel"); |
| |
| private final String name; |
| |
| /** |
| * Return RepairParallelism that match given name. |
| * If name is null, or does not match any, this returns default "sequential" parallelism, |
| * |
| * @param name name of repair parallelism |
| * @return RepairParallelism that match given name |
| */ |
| public static RepairParallelism fromName(String name) |
| { |
| if (PARALLEL.getName().equals(name)) |
| return PARALLEL; |
| else if (DATACENTER_AWARE.getName().equals(name)) |
| return DATACENTER_AWARE; |
| else |
| return SEQUENTIAL; |
| } |
| |
| private RepairParallelism(String name) |
| { |
| this.name = name; |
| } |
| |
| public String getName() |
| { |
| return name; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return getName(); |
| } |
| } |