org.opendaylight.infrautils.caches

Interface CheckedCacheFunction<K,V,E extends Exception>

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 CheckedCacheFunction<K,V,E extends Exception>

CheckedCache's Function, can throw checked Exception.

See also CacheFunction.

Author:

Michael Vorburger.ch

Method Summary

Modifier and Type	Method and Description
default CacheFunction<K,V>	from(Function<K,V> function) See CacheFunction.from(Function).
default com.google.common.collect.ImmutableMap<K,V>	get(Iterable<? extends K> keys) See CacheFunction.get(Iterable).
V	get(K key) Calculate the value of the cache entry for the given key.

Method Detail

get

V get(K key)
throws E extends Exception

Calculate the value of the cache entry for the given key.

Parameters:

key - the key for which to "calculate" (lookup, remote call, ...) a value.

Returns:

value for the given key

Throws:

E - checked exception thrown if no value for the given key could be obtained

E extends Exception

get

default com.google.common.collect.ImmutableMap<K,V> get(Iterable<? extends K> keys)
                                                 throws E extends Exception

See CacheFunction.get(Iterable).

Throws:

E extends Exception

from

default CacheFunction<K,V> from(Function<K,V> function)
                         throws E extends Exception

See CacheFunction.from(Function).

Throws:

E extends Exception