api/v1/TaskSorting.java

0001 /*
0002  * Licensed to the Apache Software Foundation (ASF) under one or more
0003  * contributor license agreements.  See the NOTICE file distributed with
0004  * this work for additional information regarding copyright ownership.
0005  * The ASF licenses this file to You under the Apache License, Version 2.0
0006  * (the "License"); you may not use this file except in compliance with
0007  * the License.  You may obtain a copy of the License at
0008  *
0009  *    http://www.apache.org/licenses/LICENSE-2.0
0010  *
0011  * Unless required by applicable law or agreed to in writing, software
0012  * distributed under the License is distributed on an "AS IS" BASIS,
0013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0014  * See the License for the specific language governing permissions and
0015  * limitations under the License.
0016  */
0017
0018 package org.apache.spark.status.api.v1;
0019
0020 import org.apache.spark.util.EnumUtil;
0021
0022 import java.util.Collections;
0023 import java.util.HashSet;
0024 import java.util.Locale;
0025 import java.util.Set;
0026
0027 public enum TaskSorting {
0028   ID,
0029   INCREASING_RUNTIME("runtime"),
0030   DECREASING_RUNTIME("-runtime");
0031
0032   private final Set<String> alternateNames;
0033   TaskSorting(String... names) {
0034     alternateNames = new HashSet<>();
0035     Collections.addAll(alternateNames, names);
0036   }
0037
0038   public static TaskSorting fromString(String str) {
0039     String lower = str.toLowerCase(Locale.ROOT);
0040     for (TaskSorting t: values()) {
0041       if (t.alternateNames.contains(lower)) {
0042         return t;
0043       }
0044     }
0045     return EnumUtil.parseIgnoreCase(TaskSorting.class, str);
0046   }
0047
0048 }