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.hadoop;
  
  import java.io.ByteArrayInputStream;
  import java.io.DataInputStream;
  import java.io.DataOutputStream;
  import java.io.IOException;
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.carbondata.core.stream.ExtendedByteArrayOutputStream;
  import org.apache.carbondata.core.util.CarbonUtil;
  
  public class CarbonInputSplitWrapper implements Serializable {
    private byte[] data;
    private int size;
  
    public CarbonInputSplitWrapper(List<CarbonInputSplit> inputSplitList) {
      ExtendedByteArrayOutputStream stream = new ExtendedByteArrayOutputStream();
      DataOutputStream dos = new DataOutputStream(stream);
      try {
        for (CarbonInputSplit carbonInputSplit : inputSplitList) {
          carbonInputSplit.write(dos);
        }
      } catch (IOException e) {
        throw new RuntimeException(e);
      } finally {
        CarbonUtil.closeStreams(dos);
      }
      this.data = stream.getBuffer();
      this.size = inputSplitList.size();
    }
  
    public List<CarbonInputSplit> getInputSplit() {
      ByteArrayInputStream stream = new ByteArrayInputStream(data);
      DataInputStream dis = new DataInputStream(stream);
      List<CarbonInputSplit> splits = new ArrayList<>();
      try {
        for (int i = 0; i < size; i++) {
          CarbonInputSplit split = new CarbonInputSplit();
          split.readFields(dis);
          splits.add(split);
        }
      } catch (IOException e) {
        throw new RuntimeException(e);
      } finally {
        CarbonUtil.closeStreams(dis);
      }
      return splits;
    }
  }
  