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.cloud.vm;
  
  import java.util.List;
  
  import com.cloud.utils.db.GenericDao;
  import com.cloud.vm.ItWorkVO.Step;
  import com.cloud.vm.VirtualMachine.State;
  
  public interface ItWorkDao extends GenericDao<ItWorkVO, String> {
      /**
       * find a work item based on the instanceId and the state.
       *
       * @param instanceId vm instance id
       * @param state state
       * @return ItWorkVO if found; null if not.
       */
      ItWorkVO findByOutstandingWork(long instanceId, State state);
  
      /**
       * cleanup rows that are either Done or Cancelled and been that way
       * for at least wait time.
       */
      void cleanup(long wait);
  
      boolean updateStep(ItWorkVO work, Step step);
  
      List<ItWorkVO> listWorkInProgressFor(long nodeId);
      int expungeByVmList(List<Long> vmIds, Long batchSize);
  
  }
  