Package org.opends.server.backends.pluggable.spi

Interface UpdateFunction

Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public interface UpdateFunction
Function that computes the new value of a record for a Read-Modify-Write operation inside a transaction.

  • Method Summary

    Modifier and Type
    Method
    Description
    ByteString
    computeNewValue(ByteString oldValue)
    Computes the new value for a record based on the record's existing content.

  • Method Details

    • computeNewValue

      ByteString computeNewValue(ByteString oldValue)
      Computes the new value for a record based on the record's existing content.
      Parameters:
      oldValue - The record's existing content, or null if the record does not exist at the moment and is about to be created.
      Returns:
      The new value for the record (which may be null if the record should be removed), or the old value if no update is required.