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.constants.CarbonCommonConstants;
  import org.apache.carbondata.core.datastore.chunk.DimensionColumnPage;
  import org.apache.carbondata.core.datastore.chunk.impl.DimensionRawColumnChunk;
  import org.apache.carbondata.core.keygenerator.directdictionary.DirectDictionaryGenerator;
  import org.apache.carbondata.core.keygenerator.directdictionary.DirectDictionaryKeyGeneratorFactory;
  import org.apache.carbondata.core.metadata.datatype.DataType;
  import org.apache.carbondata.core.metadata.datatype.DataTypes;
  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.ByteUtil;
  import org.apache.carbondata.core.util.DataTypeUtil;
  
  public class PrimitiveQueryType extends ComplexQueryType implements GenericQueryType {
  
    private String name;
    private String parentName;
  
    private org.apache.carbondata.core.metadata.datatype.DataType dataType;
  
    private boolean isDirectDictionary;
  
    public PrimitiveQueryType(String name, String parentName, int columnIndex, DataType dataType,
        boolean isDirectDictionary) {
      super(name, parentName, columnIndex);
      this.dataType = dataType;
      this.name = name;
      this.parentName = parentName;
      this.isDirectDictionary = isDirectDictionary;
    }
  
    @Override
    public void addChildren(GenericQueryType 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;
    }
  
    @Override
    public int getColsCount() {
      return 1;
    }
  
    @Override
    public void parseBlocksAndReturnComplexColumnByteArray(DimensionRawColumnChunk[] rawColumnChunks,
        DimensionColumnPage[][] dimensionColumnPages, int rowNumber, int pageNumber,
        DataOutputStream dataOutputStream) throws IOException {
      byte[] currentVal =
          copyBlockDataChunk(rawColumnChunks, dimensionColumnPages, rowNumber, pageNumber);
      if (!this.isDirectDictionary) {
        if (DataTypeUtil.isByteArrayComplexChildColumn(dataType)) {
          dataOutputStream.writeInt(currentVal.length);
        } else {
          dataOutputStream.writeShort(currentVal.length);
        }
      }
      dataOutputStream.write(currentVal);
    }
  
    @Override
    public void fillRequiredBlockData(RawBlockletColumnChunks blockChunkHolder)
        throws IOException {
      readBlockDataChunk(blockChunkHolder);
    }
  
    @Override
    public Object getDataBasedOnDataType(ByteBuffer dataBuffer) {
      return getDataObject(dataBuffer, -1);
    }
  
    @Override
    public Object[] getObjectArrayDataBasedOnDataType(ByteBuffer dataBuffer) {
      return new Object[0];
    }
  
    @Override
    public Object getObjectDataBasedOnDataType(ByteBuffer dataBuffer) {
      return getDataObject(dataBuffer, -1, true);
    }
  
    @Override
    public Object getDataBasedOnColumn(ByteBuffer dataBuffer, CarbonDimension parent,
        CarbonDimension child) {
      Object actualData;
  
      if (parent.getOrdinal() != child.getOrdinal() || null == dataBuffer || !dataBuffer
          .hasRemaining()) {
        return null;
      }
      int size;
      if (!DataTypeUtil.isFixedSizeDataType(child.getDataType())) {
        size = dataBuffer.array().length;
      } else if (child.getDataType() == DataTypes.TIMESTAMP) {
        size = DataTypes.LONG.getSizeInBytes();
      } else if (dataBuffer.remaining() == DataTypes.INT.getSizeInBytes() && child.getDataType()
          .equals(DataTypes.LONG)) {
        // When datatype has been altered,
        // get the actual data loaded size and then convert to long type.
        size = DataTypes.INT.getSizeInBytes();
      } else {
        size = child.getDataType().getSizeInBytes();
      }
      actualData = getDataObject(dataBuffer, size);
      return actualData;
    }
  
    private Object getDataObject(ByteBuffer dataBuffer, int size) {
      return getDataObject(dataBuffer, size, false);
    }
  
    private Object getDataObject(ByteBuffer dataBuffer, int size, boolean getBytesData) {
      Object actualData;
      if (isDirectDictionary) {
        // Direct Dictionary Column, only for DATE type
        byte[] data = new byte[4];
        dataBuffer.get(data);
        actualData = ByteUtil.convertBytesToInt(data);
      } else {
        if (size == -1) {
          if (DataTypeUtil.isByteArrayComplexChildColumn(dataType)) {
            size = dataBuffer.getInt();
          } else {
            size = dataBuffer.getShort();
          }
        }
        byte[] value = new byte[size];
        dataBuffer.get(value, 0, size);
        if (dataType == DataTypes.DATE) {
          if (value.length == 0) {
            actualData = null;
          } else {
            DirectDictionaryGenerator directDictGenForDate =
                DirectDictionaryKeyGeneratorFactory.getDirectDictionaryGenerator(DataTypes.DATE);
            actualData = directDictGenForDate.getValueFromSurrogate(
                ByteUtil.toXorInt(value, 0, CarbonCommonConstants.INT_SIZE_IN_BYTE));
          }
        } else {
          actualData = DataTypeUtil
              .getDataBasedOnDataTypeForNoDictionaryColumn(value, this.dataType, true, getBytesData);
        }
      }
      return actualData;
    }
  
    @Override
    public Object getDataBasedOnColumnList(Map<CarbonDimension, ByteBuffer> childBuffer,
        CarbonDimension presentColumn) {
      return getDataBasedOnColumn(childBuffer.get(presentColumn), presentColumn, presentColumn);
    }
  }
  