UUIDUtil

java.lang.Object

org.apache.iceberg.util.UUIDUtil

public class UUIDUtil extends Object

Method Summary

Modifier and Type

Method

Description

static UUID

convert(byte[] buf)

static UUID

convert(byte[] buf, int offset)

static UUID

convert(ByteBuffer buf)

static byte[]

convert(UUID value)

static ByteBuffer

convertToByteBuffer(UUID value)

static ByteBuffer

convertToByteBuffer(UUID value, ByteBuffer reuse)

static UUID

generateUuidV7()

Generate a RFC 9562 UUIDv7.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- convert
  
  public static UUID convert(byte[] buf)
- convert
  
  public static UUID convert(byte[] buf, int offset)
- convert
  
  public static UUID convert(ByteBuffer buf)
- convert
  
  public static byte[] convert(UUID value)
- convertToByteBuffer
  
  public static ByteBuffer convertToByteBuffer(UUID value)
- convertToByteBuffer
  
  public static ByteBuffer convertToByteBuffer(UUID value, ByteBuffer reuse)
- generateUuidV7
  
  public static UUID generateUuidV7()
  
  Generate a RFC 9562 UUIDv7.
  Layout: - 48-bit Unix epoch milliseconds - 4-bit version (0b0111) - 12-bit random (rand_a) - 2-bit variant (RFC 4122, 0b10) - 62-bit random (rand_b)