org.apache.kylin.common.util.Bytes.toIntUnsafe()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中org.apache.kylin.common.util.Bytes.toIntUnsafe()方法的一些代码示例,展示了Bytes.toIntUnsafe()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Bytes.toIntUnsafe()方法的具体详情如下:
包路径:org.apache.kylin.common.util.Bytes
类名称:Bytes
方法名:toIntUnsafe

Bytes.toIntUnsafe介绍

[英]Converts a byte array to an int value (Unsafe version)
[中]将字节数组转换为int值(不安全版本)

代码示例

代码示例来源:origin: apache/kylin

/**
 * Converts a byte array to an int value
 *
 * @param bytes  byte array
 * @param offset offset into array
 * @param length length of int (has to be {@link #SIZEOF_INT})
 * @return the int value
 * @throws IllegalArgumentException if length is not {@link #SIZEOF_INT} or
 *                                  if there's not enough room in the array at the offset indicated.
 */
public static int toInt(byte[] bytes, int offset, final int length) {
  if (length != SIZEOF_INT || offset + length > bytes.length) {
    throw explainWrongLengthOrOffset(bytes, offset, length, SIZEOF_INT);
  }
  if (org.apache.kylin.common.util.Bytes.LexicographicalComparerHolder.UnsafeComparer.isAvailable()) {
    return toIntUnsafe(bytes, offset);
  } else {
    int n = 0;
    for (int i = offset; i < (offset + length); i++) {
      n <<= 8;
      n ^= bytes[i] & 0xFF;
    }
    return n;
  }
}

代码示例来源:origin: org.apache.kylin/kylin-core-common

/**
 * Converts a byte array to an int value
 *
 * @param bytes  byte array
 * @param offset offset into array
 * @param length length of int (has to be {@link #SIZEOF_INT})
 * @return the int value
 * @throws IllegalArgumentException if length is not {@link #SIZEOF_INT} or
 *                                  if there's not enough room in the array at the offset indicated.
 */
public static int toInt(byte[] bytes, int offset, final int length) {
  if (length != SIZEOF_INT || offset + length > bytes.length) {
    throw explainWrongLengthOrOffset(bytes, offset, length, SIZEOF_INT);
  }
  if (org.apache.kylin.common.util.Bytes.LexicographicalComparerHolder.UnsafeComparer.isAvailable()) {
    return toIntUnsafe(bytes, offset);
  } else {
    int n = 0;
    for (int i = offset; i < (offset + length); i++) {
      n <<= 8;
      n ^= bytes[i] & 0xFF;
    }
    return n;
  }
}

代码示例来源:origin: org.apache.kylin/kylin-common

/**
 * Converts a byte array to an int value
 *
 * @param bytes  byte array
 * @param offset offset into array
 * @param length length of int (has to be {@link #SIZEOF_INT})
 * @return the int value
 * @throws IllegalArgumentException if length is not {@link #SIZEOF_INT} or
 *                                  if there's not enough room in the array at the offset indicated.
 */
public static int toInt(byte[] bytes, int offset, final int length) {
  if (length != SIZEOF_INT || offset + length > bytes.length) {
    throw explainWrongLengthOrOffset(bytes, offset, length, SIZEOF_INT);
  }
  if (org.apache.kylin.common.util.Bytes.LexicographicalComparerHolder.UnsafeComparer.isAvailable()) {
    return toIntUnsafe(bytes, offset);
  } else {
    int n = 0;
    for (int i = offset; i < (offset + length); i++) {
      n <<= 8;
      n ^= bytes[i] & 0xFF;
    }
    return n;
  }
}

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