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.jstorm.transactional.state.task;
  
  import java.util.Map;
  import java.util.Set;
  
  import com.alibaba.jstorm.transactional.state.TransactionState;
  
  public interface ITaskStateInitOperator {
      /**
       * 
       * @param conf Topoloyg config
       * @param currTaskId Id of the task that is going to be init
       * @param currComponentTasks All current tasks which belong to this component 
       * @param prevComponentTaskStates States of the previous tasks which belong to this component
       * @return task state
       */
      public Object getTaskInitState(Map conf, int currTaskId, Set<Integer> currComponentTasks, Map<Integer, TransactionState> prevComponentTaskStates);
  }