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 org.apache.carbondata.core.util;
  
  /**
   * Class to keep all the thread local variable for task
   */
  public class ThreadLocalTaskInfo {
    static final InheritableThreadLocal<CarbonTaskInfo> threadLocal =
        new InheritableThreadLocal<CarbonTaskInfo>();
  
    public static void setCarbonTaskInfo(CarbonTaskInfo carbonTaskInfo) {
      threadLocal.set(carbonTaskInfo);
    }
  
    public static CarbonTaskInfo getCarbonTaskInfo() {
      if (null == threadLocal.get()) {
        CarbonTaskInfo carbonTaskInfo = new CarbonTaskInfo();
        carbonTaskInfo.setTaskId(CarbonUtil.generateUUID());
        ThreadLocalTaskInfo.setCarbonTaskInfo(carbonTaskInfo);
      }
      return threadLocal.get();
    }
  
    public static void clearCarbonTaskInfo() {
      if (null != threadLocal.get()) {
        threadLocal.set(null);
      }
  
    }
  }
  