Interface UUID

All Superinterfaces:
Externalizable, Serializable
All Known Implementing Classes:
BasicUUID
public interface UUID extends Externalizable
An interface for accessing Derby UUIDs, unique identifiers.

The values in the system catalog held in ID columns with a type of CHAR(36) are the string representations of these UUIDs.

A UUID implements equals() and hashCode based on value equality.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final String
    NULL
    NULL UUID
    static final int
    UUID_BYTE_LENGTH
    UUID_BYTE_LENGTH The number of bytes in the array toByteArray returns.

  • Method Summary

    Modifier and Type
    Method
    Description
    UUID
    cloneMe()
    Clone this UUID.
    String
    toANSIidentifier()
    Produce a string representation of this UUID which is suitable for use as a unique ANSI identifier.

    Methods inherited from interface Externalizable

    readExternal, writeExternal

  • Field Details

  • Method Details

    • toANSIidentifier

      String toANSIidentifier()
      Produce a string representation of this UUID which is suitable for use as a unique ANSI identifier.

    • cloneMe

      UUID cloneMe()
      Clone this UUID.
      Returns:
      a copy of this UUID