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.readcommitter;
  
  import java.io.IOException;
  import java.io.Serializable;
  import java.util.Map;
  
  import org.apache.carbondata.common.annotations.InterfaceAudience;
  import org.apache.carbondata.common.annotations.InterfaceStability;
  import org.apache.carbondata.core.index.Segment;
  import org.apache.carbondata.core.mutate.UpdateVO;
  import org.apache.carbondata.core.statusmanager.LoadMetadataDetails;
  import org.apache.carbondata.core.statusmanager.SegmentRefreshInfo;
  
  import org.apache.hadoop.conf.Configuration;
  
  /**
   * ReadCommitted interface that defines a read scope.
   */
  @InterfaceAudience.Internal
  @InterfaceStability.Stable public interface ReadCommittedScope extends Serializable {
  
    LoadMetadataDetails[] getSegmentList() throws IOException;
  
    /**
     * @param segment
     * @return map of Absolute path of index file as key and null as value -- without mergeIndex
     * map of AbsolutePath with fileName of MergeIndex parent file as key and mergeIndexFileName
     * as value -- with mergeIndex
     * @throws IOException
     */
    Map<String, String> getCommittedIndexFile(Segment segment) throws IOException;
  
    SegmentRefreshInfo getCommittedSegmentRefreshInfo(Segment segment, UpdateVO updateVo);
  
    void takeCarbonIndexFileSnapShot() throws IOException;
  
    Configuration getConfiguration();
  
    void setConfiguration(Configuration configuration);
  
    /**
     * get table path if ReadCommittedScope is TableStatusReadCommittedScope
     * get file path if ReadCommittedScope is LatestFilesReadCommittedScope
     *
     * @return
     */
    String getFilePath();
  }
  