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.memory;
  
  import java.lang.reflect.Field;
  import java.nio.ByteOrder;
  
  import sun.misc.Unsafe;
  
  public final class CarbonUnsafe {
  
    public static final int BYTE_ARRAY_OFFSET;
  
    public static final int SHORT_ARRAY_OFFSET;
  
    public static final int INT_ARRAY_OFFSET;
  
    public static final int LONG_ARRAY_OFFSET;
  
    public static final int DOUBLE_ARRAY_OFFSET;
  
    public static final int FLOAT_ARRAY_OFFSET;
  
    public static final boolean IS_LITTLE_ENDIAN =
        ByteOrder.nativeOrder().equals(ByteOrder.LITTLE_ENDIAN);
  
    private static Unsafe unsafe;
  
    static {
      try {
        Field cause = Unsafe.class.getDeclaredField("theUnsafe");
        cause.setAccessible(true);
        unsafe = (Unsafe) cause.get(null);
      } catch (Throwable var2) {
        unsafe = null;
      }
      if (unsafe != null) {
        BYTE_ARRAY_OFFSET = unsafe.arrayBaseOffset(byte[].class);
        SHORT_ARRAY_OFFSET = unsafe.arrayBaseOffset(short[].class);
        INT_ARRAY_OFFSET = unsafe.arrayBaseOffset(int[].class);
        LONG_ARRAY_OFFSET = unsafe.arrayBaseOffset(long[].class);
        FLOAT_ARRAY_OFFSET = unsafe.arrayBaseOffset(float[].class);
        DOUBLE_ARRAY_OFFSET = unsafe.arrayBaseOffset(double[].class);
      } else {
        BYTE_ARRAY_OFFSET = 0;
        SHORT_ARRAY_OFFSET = 0;
        INT_ARRAY_OFFSET = 0;
        LONG_ARRAY_OFFSET = 0;
        FLOAT_ARRAY_OFFSET = 0;
        DOUBLE_ARRAY_OFFSET = 0;
      }
    }
  
    public static Unsafe getUnsafe() {
      return unsafe;
    }
  }
  