content: /*
   * 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 com.aliyun.odps;
  
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * 日志类型。
   *
   * @author xiaoming.yin
   */
  public enum LogType {
  
    /**
     * 标准输出日志。
     */
    STDOUT("stdout"),
  
    /**
     * 标准错误日志。
     */
    STDERR("stderr"),
  
    WATERFALL_SUMMARY("waterfall_summary"),
  
    HS_ERR_LOG("hs_err_*.log"),
  
    COREINFO("coreinfo.tmp"),
  
    JSTACK("jstack"),
  
    PSTACK("pstack");
  
    private static final Map<String, LogType> strToEnum = new HashMap<String, LogType>();
  
    static { // Initialize the map
      for (LogType t : values()) {
        strToEnum.put(t.toString(), t);
      }
    }
  
    private String strVal;
  
    private LogType(String strVal) {
      this.strVal = strVal;
    }
  
    /**
     * 设置日志类型
     *
     * @param value值包括："stdout",
     *     "stderr"
     */
    public static LogType fromString(String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      return strToEnum.get(value);
    }
  
    @Override
    public String toString() {
      return this.strVal;
    }
  }
  