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.presto.impl;
  
  import java.util.List;
  import java.util.stream.Collectors;
  
  import org.apache.carbondata.core.statusmanager.FileFormat;
  import org.apache.carbondata.hadoop.CarbonInputSplit;
  import org.apache.carbondata.hadoop.CarbonMultiBlockSplit;
  
  import com.fasterxml.jackson.annotation.JsonCreator;
  import com.fasterxml.jackson.annotation.JsonProperty;
  import com.google.gson.Gson;
  
  /**
   * CarbonLocalInputSplit represents a block, it contains a set of blocklet.
   */
  public class CarbonLocalMultiBlockSplit {
  
    private static final long serialVersionUID = 3520344046772190207L;
  
    /*
    * Splits (HDFS Blocks) for task to scan.
    */
    private List<CarbonLocalInputSplit> splitList;
  
    /*
     * The locations of all wrapped splits
     */
    private String[] locations;
  
    private FileFormat fileFormat = FileFormat.COLUMNAR_V3;
  
    @JsonProperty
    public String[] getLocations() {
      return locations;
    }
  
    @JsonProperty
    public List<CarbonLocalInputSplit> getSplitList() {
      return splitList;
    }
  
    @JsonProperty
    public FileFormat getFileFormat() {
      return fileFormat;
    }
  
    @JsonCreator
    public CarbonLocalMultiBlockSplit(
        @JsonProperty("splitList") List<CarbonLocalInputSplit> splitList,
        @JsonProperty("locations") String[] locations) {
      this.splitList = splitList;
      this.locations = locations;
      if (!splitList.isEmpty()) {
        this.fileFormat = splitList.get(0).getFileFormat();
      }
    }
  
    public String getJsonString() {
      Gson gson = new Gson();
      return gson.toJson(this);
    }
  
    public static CarbonMultiBlockSplit convertSplit(String multiSplitJson) {
      Gson gson = new Gson();
      CarbonLocalMultiBlockSplit carbonLocalMultiBlockSplit =
          gson.fromJson(multiSplitJson, CarbonLocalMultiBlockSplit.class);
      List<CarbonInputSplit> carbonInputSplitList =
          carbonLocalMultiBlockSplit.getSplitList().stream().map(CarbonLocalInputSplit::convertSplit)
              .collect(Collectors.toList());
  
      CarbonMultiBlockSplit carbonMultiBlockSplit =
          new CarbonMultiBlockSplit(carbonInputSplitList, carbonLocalMultiBlockSplit.getLocations());
      carbonMultiBlockSplit.setFileFormat(carbonLocalMultiBlockSplit.getFileFormat());
  
      return carbonMultiBlockSplit;
    }
  
  }
  