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.DataOutputStream;
  import java.io.IOException;
  import java.nio.ByteBuffer;
  import java.util.Map;
  
  import org.apache.carbondata.core.datastore.chunk.DimensionColumnPage;
  import org.apache.carbondata.core.datastore.chunk.impl.DimensionRawColumnChunk;
  import org.apache.carbondata.core.metadata.schema.table.column.CarbonDimension;
  import org.apache.carbondata.core.scan.filter.GenericQueryType;
  import org.apache.carbondata.core.scan.processor.RawBlockletColumnChunks;
  import org.apache.carbondata.core.util.DataTypeUtil;
  
  public class ArrayQueryType extends ComplexQueryType implements GenericQueryType {
  
    private GenericQueryType children;
  
    public ArrayQueryType(String name, String parentName, int columnIndex) {
      super(name, parentName, columnIndex);
    }
  
    @Override
    public void addChildren(GenericQueryType children) {
      if (this.getName().equals(children.getParentName())) {
        this.children = children;
      } else {
        this.children.addChildren(children);
      }
    }
  
    @Override
    public String getName() {
      return name;
    }
  
    @Override
    public void setName(String name) {
      this.name = name;
    }
  
    @Override
    public String getParentName() {
      return parentName;
    }
  
    @Override
    public void setParentName(String parentName) {
      this.parentName = parentName;
  
    }
  
    public void parseBlocksAndReturnComplexColumnByteArray(DimensionRawColumnChunk[] rawColumnChunks,
        DimensionColumnPage[][] dimensionColumnPages, int rowNumber, int pageNumber,
        DataOutputStream dataOutputStream) throws IOException {
      byte[] input = copyBlockDataChunk(rawColumnChunks, dimensionColumnPages, rowNumber, pageNumber);
      ByteBuffer byteArray = ByteBuffer.wrap(input);
      int dataLength = byteArray.getInt();
      dataOutputStream.writeInt(dataLength);
      if (dataLength > 0) {
        int dataOffset = byteArray.getInt();
        for (int i = 0; i < dataLength; i++) {
          children.parseBlocksAndReturnComplexColumnByteArray(rawColumnChunks, dimensionColumnPages,
              dataOffset++, pageNumber, dataOutputStream);
        }
      }
    }
  
    @Override
    public int getColsCount() {
      return children.getColsCount() + 1;
    }
  
    @Override
    public void fillRequiredBlockData(RawBlockletColumnChunks blockChunkHolder)
        throws IOException {
      readBlockDataChunk(blockChunkHolder);
      children.fillRequiredBlockData(blockChunkHolder);
    }
  
    @Override
    public Object getDataBasedOnDataType(ByteBuffer dataBuffer) {
      Object[] data = fillData(dataBuffer, false);
      if (data == null) {
        return null;
      }
      return DataTypeUtil.getDataTypeConverter().wrapWithGenericArrayData(data);
    }
  
    @Override
    public Object[] getObjectArrayDataBasedOnDataType(ByteBuffer dataBuffer) {
      return fillData(dataBuffer, true);
    }
  
    @Override
    public Object getObjectDataBasedOnDataType(ByteBuffer dataBuffer) {
      Object[] data = fillData(dataBuffer, true);
      if (data == null) {
        return null;
      }
      return DataTypeUtil.getDataTypeConverter().wrapWithGenericArrayData(data);
    }
  
    protected Object[] fillData(ByteBuffer dataBuffer, boolean getBytesData) {
      int dataLength = dataBuffer.getInt();
      if (dataLength == -1) {
        return null;
      }
      Object[] data = new Object[dataLength];
      for (int i = 0; i < dataLength; i++) {
        if (getBytesData) {
          data[i] = children.getObjectDataBasedOnDataType(dataBuffer);
        } else {
          data[i] = children.getDataBasedOnDataType(dataBuffer);
        }
      }
      if (dataLength == 1 && data[0] == null) {
        return null;
      }
      return data;
    }
  
    @Override
    public Object getDataBasedOnColumn(ByteBuffer dataBuffer, CarbonDimension parent,
        CarbonDimension child) {
      throw new UnsupportedOperationException("Operation Unsupported for ArrayType");
    }
  
    @Override
    public Object getDataBasedOnColumnList(Map<CarbonDimension, ByteBuffer> childBuffer,
        CarbonDimension presentColumn) {
      throw new UnsupportedOperationException("Operation Unsupported for ArrayType");
    }
  
    public int[][] getNumberOfChild(DimensionRawColumnChunk[] rawColumnChunks,
        DimensionColumnPage[][] dimensionColumnPages, int numberOfRows, int pageNumber) {
      DimensionColumnPage page =
          getDecodedDimensionPage(dimensionColumnPages, rawColumnChunks[columnIndex], pageNumber);
      int[][] numberOfChild = new int[numberOfRows][2];
      for (int i = 0; i < numberOfRows; i++) {
        byte[] input = page.getChunkData(i);
        ByteBuffer wrap = ByteBuffer.wrap(input);
        int[] metadata = new int[2];
        metadata[0] = wrap.getInt();
        if (metadata[0] > 0) {
          metadata[1] = wrap.getInt();
        }
        numberOfChild[i] = metadata;
      }
      return numberOfChild;
    }
  
    public DimensionColumnPage parseBlockAndReturnChildData(DimensionRawColumnChunk[] rawColumnChunks,
        DimensionColumnPage[][] dimensionColumnPages, int pageNumber) {
      PrimitiveQueryType queryType = (PrimitiveQueryType) children;
      return queryType.getDecodedDimensionPage(
          dimensionColumnPages,
          rawColumnChunks[queryType.columnIndex],
          pageNumber);
    }
  
  }
  