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.alibaba.cloudapp.api.scheduler.worker;
  
  public class GlobalJobHelper {
      // ---------------------- base info ----------------------
      
      public static long getJobId() {
          GlobalJobContext ctx = GlobalJobContext.getContext();
          if (ctx == null) {
              return -1;
          }
          
          return ctx.getJobId();
      }
  
      public static String getJobParam() {
          GlobalJobContext ctx = GlobalJobContext.getContext();
          if (ctx == null) {
              return null;
          }
          
          return ctx.getJobParam();
      }
      
      // ---------------------- for shard ----------------------
      
      public static int getShardIndex() {
          GlobalJobContext ctx = GlobalJobContext.getContext();
          if (ctx == null) {
              return -1;
          }
          
          return ctx.getShardIndex();
      }
  
      public static int getShardTotal() {
          GlobalJobContext ctx = GlobalJobContext.getContext();
          if (ctx == null) {
              return -1;
          }
          
          return ctx.getShardTotal();
      }
      
      public static String getShardParameter() {
          GlobalJobContext ctx = GlobalJobContext.getContext();
          if (ctx == null) {
              return "";
          }
          
          return ctx.getShardParameter();
      }
      
  }
  