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.util;
  
  import org.apache.carbondata.core.memory.CarbonUnsafe;
  import org.apache.carbondata.core.metadata.datatype.DataType;
  import org.apache.carbondata.core.metadata.datatype.DataTypes;
  
  public class CarbonUnsafeUtil {
  
    /**
     * Put the data to unsafe memory
     *
     * @param dataType
     * @param data
     * @param baseObject
     * @param address
     * @param size
     * @param sizeInBytes
     */
    public static void putDataToUnsafe(DataType dataType, Object data, Object baseObject,
        long address, int size, int sizeInBytes) {
      dataType = DataTypeUtil.valueOf(dataType.getName());
      if (dataType == DataTypes.BOOLEAN) {
        CarbonUnsafe.getUnsafe().putBoolean(baseObject, address + size, (boolean) data);
      } else if (dataType == DataTypes.BYTE) {
        CarbonUnsafe.getUnsafe().putByte(baseObject, address + size, (byte) data);
      } else if (dataType == DataTypes.SHORT) {
        CarbonUnsafe.getUnsafe().putShort(baseObject, address + size, (short) data);
      } else if (dataType == DataTypes.INT) {
        CarbonUnsafe.getUnsafe().putInt(baseObject, address + size, (int) data);
      } else if (dataType == DataTypes.LONG || dataType == DataTypes.TIMESTAMP) {
        CarbonUnsafe.getUnsafe().putLong(baseObject, address + size, (long) data);
      } else if (DataTypes.isDecimal(dataType) || dataType == DataTypes.DOUBLE) {
        CarbonUnsafe.getUnsafe().putDouble(baseObject, address + size, (double) data);
      } else if (dataType == DataTypes.FLOAT) {
        CarbonUnsafe.getUnsafe().putFloat(baseObject, address + size, (float) data);
      } else if (dataType == DataTypes.BYTE_ARRAY) {
        CarbonUnsafe.getUnsafe()
            .copyMemory(data, CarbonUnsafe.BYTE_ARRAY_OFFSET, baseObject, address + size,
                sizeInBytes);
      }
    }
  
    /**
     * Retrieve/Get the data from unsafe memory
     *
     * @param dataType
     * @param baseObject
     * @param address
     * @param size
     * @param sizeInBytes
     * @return
     */
    public static Object getDataFromUnsafe(DataType dataType, Object baseObject, long address,
        int size, int sizeInBytes) {
      dataType = DataTypeUtil.valueOf(dataType.getName());
      Object data = new Object();
      if (dataType == DataTypes.BOOLEAN) {
        data = CarbonUnsafe.getUnsafe().getBoolean(baseObject, address + size);
      } else if (dataType == DataTypes.BYTE) {
        data = CarbonUnsafe.getUnsafe().getByte(baseObject, address + size);
      } else if (dataType == DataTypes.SHORT) {
        data = CarbonUnsafe.getUnsafe().getShort(baseObject, address + size);
      } else if (dataType == DataTypes.INT) {
        data = CarbonUnsafe.getUnsafe().getInt(baseObject, address + size);
      } else if (dataType == DataTypes.LONG || dataType == DataTypes.TIMESTAMP) {
        data = CarbonUnsafe.getUnsafe().getLong(baseObject, address + size);
      } else if (DataTypes.isDecimal(dataType) || dataType == DataTypes.DOUBLE) {
        data = CarbonUnsafe.getUnsafe().getDouble(baseObject, address + size);
      } else if (dataType == DataTypes.FLOAT) {
        data = CarbonUnsafe.getUnsafe().getFloat(baseObject, address + size);
      } else if (dataType == DataTypes.BYTE_ARRAY) {
        CarbonUnsafe.getUnsafe()
            .copyMemory(baseObject, address + size, data, CarbonUnsafe.BYTE_ARRAY_OFFSET,
                sizeInBytes);
      }
      return data;
    }
  }
  