Package com.google.common.cache

Interface Weigher<K,V>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@GwtCompatible
@FunctionalInterface
public interface Weigher<K,V>

Calculates the weights of cache entries.

Since:

11.0

Author:

Charles Fry

Method Summary

Modifier and Type	Method	Description
int	weigh(K key, V value)	Returns the weight of a cache entry.

Method Detail

weigh

int weigh(K key,
          V value)

Returns the weight of a cache entry. There is no unit for entry weights; rather they are simply relative to each other.

Returns:

the weight of the entry; must be non-negative