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.processing.merger;
  
  import java.io.IOException;
  import java.util.List;
  
  import org.apache.carbondata.core.scan.result.iterator.RawResultIterator;
  import org.apache.carbondata.processing.loading.model.CarbonLoadModel;
  import org.apache.carbondata.processing.store.CarbonDataFileAttributes;
  import org.apache.carbondata.processing.store.CarbonFactDataHandlerModel;
  
  /**
   * This class contains the common methods required for result processing during compaction based on
   * restructure and normal scenarios
   */
  public abstract class AbstractResultProcessor {
  
    /**
     * This method will perform the desired tasks of merging the selected slices
     *
     * @param unsortedResultIteratorList
     * @param sortedResultIteratorList
     * @return
     */
    public abstract boolean execute(List<RawResultIterator> unsortedResultIteratorList,
        List<RawResultIterator> sortedResultIteratorList) throws Exception;
  
    /**
     * This method will be sued to clean up the resources and close all the spawned threads to avoid
     * any kind of memory or thread leak
     */
    public abstract void close();
  
    protected void setDataFileAttributesInModel(CarbonLoadModel loadModel,
        CompactionType compactionType, CarbonFactDataHandlerModel carbonFactDataHandlerModel)
        throws IOException {
      CarbonDataFileAttributes carbonDataFileAttributes =
          new CarbonDataFileAttributes(loadModel.getTaskNo(),
              loadModel.getFactTimeStamp());
      carbonFactDataHandlerModel.setCarbonDataFileAttributes(carbonDataFileAttributes);
    }
  
  }
  