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.scan.complextypes;
  
  import java.io.IOException;
  
  import org.apache.carbondata.core.datastore.chunk.DimensionColumnPage;
  import org.apache.carbondata.core.datastore.chunk.impl.DimensionRawColumnChunk;
  import org.apache.carbondata.core.scan.processor.RawBlockletColumnChunks;
  
  public class ComplexQueryType {
    protected String name;
  
    protected String parentName;
  
    protected int columnIndex;
  
    public ComplexQueryType(String name, String parentName, int columnIndex) {
      this.name = name;
      this.parentName = parentName;
      this.columnIndex = columnIndex;
    }
  
    /**
     * Method will copy the block chunk holder data and return the cloned value.
     * This method is also used by child.
     */
    protected byte[] copyBlockDataChunk(DimensionRawColumnChunk[] rawColumnChunks,
        DimensionColumnPage[][] dimensionColumnPages, int rowNumber, int pageNumber) {
      byte[] data =
          getDecodedDimensionPage(dimensionColumnPages, rawColumnChunks[columnIndex], pageNumber)
              .getChunkData(rowNumber);
      byte[] output = new byte[data.length];
      System.arraycopy(data, 0, output, 0, output.length);
      return output;
    }
  
    /*
     * This method will read the block data chunk from the respective block
     */
    protected void readBlockDataChunk(RawBlockletColumnChunks blockChunkHolder) throws IOException {
      if (null == blockChunkHolder.getDimensionRawColumnChunks()[columnIndex]) {
        blockChunkHolder.getDimensionRawColumnChunks()[columnIndex] = blockChunkHolder.getDataBlock()
            .readDimensionChunk(blockChunkHolder.getFileReader(), columnIndex);
      }
    }
  
    public DimensionColumnPage getDecodedDimensionPage(DimensionColumnPage[][] dimensionColumnPages,
        DimensionRawColumnChunk dimensionRawColumnChunk, int pageNumber) {
      if (dimensionColumnPages == null || null == dimensionColumnPages[columnIndex]) {
        return dimensionRawColumnChunk.decodeColumnPage(pageNumber);
      }
      return dimensionColumnPages[columnIndex][pageNumber];
    }
  
  }
  