Interface MergeFunction<K,V>

Type Parameters:
K - - the type of the keys
V - - the type of the values
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 MergeFunction<K,V>
Represents a merge function.
Since:
6.7
  • Method Summary

    Modifier and Type
    Method
    Description
    apply(K key, V oldValue, V value)
    Applies this mapping function to the given arguments.
  • Method Details

    • apply

      V apply(K key, V oldValue, V value)
      Applies this mapping function to the given arguments.
      Parameters:
      key - the key
      oldValue - the old value
      value - the value
      Returns:
      the new value