| /*** |
| * 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.tajo.util; |
| |
| import static org.apache.tajo.util.UnsafeUtil.*; |
| |
| |
| public final class SizeOf { |
| |
| public static final int BITS_PER_BYTE = 8; |
| public static final int BYTES_PER_WORD = SizeOf.SIZE_OF_LONG; |
| public static final int BITS_PER_WORD = SizeOf.SIZE_OF_LONG * BITS_PER_BYTE; |
| |
| public static final byte SIZE_OF_BOOL = 1; |
| public static final byte SIZE_OF_BYTE = 1; |
| public static final byte SIZE_OF_SHORT = 2; |
| public static final byte SIZE_OF_INT = 4; |
| public static final byte SIZE_OF_LONG = 8; |
| public static final byte SIZE_OF_FLOAT = 4; |
| public static final byte SIZE_OF_DOUBLE = 8; |
| |
| public static long sizeOf(boolean[] array) |
| { |
| if (array == null) { |
| return 0; |
| } |
| return ARRAY_BOOLEAN_BASE_OFFSET + (((long) ARRAY_BOOLEAN_INDEX_SCALE) * array.length); |
| } |
| |
| public static long sizeOf(byte[] array) |
| { |
| if (array == null) { |
| return 0; |
| } |
| return ARRAY_BYTE_BASE_OFFSET + (((long) ARRAY_BYTE_INDEX_SCALE) * array.length); |
| } |
| |
| public static long sizeOf(short[] array) |
| { |
| if (array == null) { |
| return 0; |
| } |
| return ARRAY_SHORT_BASE_OFFSET + (((long) ARRAY_SHORT_INDEX_SCALE) * array.length); |
| } |
| |
| public static long sizeOf(char[] array) |
| { |
| if (array == null) { |
| return 0; |
| } |
| return ARRAY_CHAR_BASE_OFFSET + (((long) ARRAY_CHAR_INDEX_SCALE) * array.length); |
| } |
| |
| public static long sizeOf(int[] array) |
| { |
| if (array == null) { |
| return 0; |
| } |
| return ARRAY_INT_BASE_OFFSET + (((long) ARRAY_INT_INDEX_SCALE) * array.length); |
| } |
| |
| public static long sizeOf(long[] array) |
| { |
| if (array == null) { |
| return 0; |
| } |
| return ARRAY_LONG_BASE_OFFSET + (((long) ARRAY_LONG_INDEX_SCALE) * array.length); |
| } |
| |
| public static long sizeOf(float[] array) |
| { |
| if (array == null) { |
| return 0; |
| } |
| return ARRAY_FLOAT_BASE_OFFSET + (((long) ARRAY_FLOAT_INDEX_SCALE) * array.length); |
| } |
| |
| public static long sizeOf(double[] array) |
| { |
| if (array == null) { |
| return 0; |
| } |
| return ARRAY_DOUBLE_BASE_OFFSET + (((long) ARRAY_DOUBLE_INDEX_SCALE) * array.length); |
| } |
| |
| public static long sizeOf(Object[] array) |
| { |
| if (array == null) { |
| return 0; |
| } |
| return ARRAY_OBJECT_BASE_OFFSET + (((long) ARRAY_OBJECT_INDEX_SCALE) * array.length); |
| } |
| |
| |
| public static long sizeOfBooleanArray(int length) |
| { |
| return ARRAY_BOOLEAN_BASE_OFFSET + (((long) ARRAY_BOOLEAN_INDEX_SCALE) * length); |
| } |
| |
| public static long sizeOfByteArray(int length) |
| { |
| return ARRAY_BYTE_BASE_OFFSET + (((long) ARRAY_BYTE_INDEX_SCALE) * length); |
| } |
| |
| public static long sizeOfShortArray(int length) |
| { |
| return ARRAY_SHORT_BASE_OFFSET + (((long) ARRAY_SHORT_INDEX_SCALE) * length); |
| } |
| |
| public static long sizeOfCharArray(int length) |
| { |
| return ARRAY_CHAR_BASE_OFFSET + (((long) ARRAY_CHAR_INDEX_SCALE) * length); |
| } |
| |
| public static long sizeOfIntArray(int length) |
| { |
| return ARRAY_INT_BASE_OFFSET + (((long) ARRAY_INT_INDEX_SCALE) * length); |
| } |
| |
| public static long sizeOfLongArray(int length) |
| { |
| return ARRAY_LONG_BASE_OFFSET + (((long) ARRAY_LONG_INDEX_SCALE) * length); |
| } |
| |
| public static long sizeOfFloatArray(int length) |
| { |
| return ARRAY_FLOAT_BASE_OFFSET + (((long) ARRAY_FLOAT_INDEX_SCALE) * length); |
| } |
| |
| public static long sizeOfDoubleArray(int length) |
| { |
| return ARRAY_DOUBLE_BASE_OFFSET + (((long) ARRAY_DOUBLE_INDEX_SCALE) * length); |
| } |
| |
| public static long sizeOfObjectArray(int length) |
| { |
| return ARRAY_OBJECT_BASE_OFFSET + (((long) ARRAY_OBJECT_INDEX_SCALE) * length); |
| } |
| |
| private SizeOf() |
| { |
| } |
| } |