Package org.apache.cassandra.utils

Class ExpiringMemoizingSupplier<T>

java.lang.Object

org.apache.cassandra.utils.ExpiringMemoizingSupplier<T>

All Implemented Interfaces:

Supplier<T>

public class ExpiringMemoizingSupplier<T>
extends Object
implements Supplier<T>

An implementation similar to Guava's Suppliers.memoizeWithExpiration(Supplier) but allowing for memoization to be skipped. See CASSANDRA-16148

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ExpiringMemoizingSupplier.Memoized<T>
static class	ExpiringMemoizingSupplier.NotMemoized<T>
static class	ExpiringMemoizingSupplier.ReturnValue<T>

Method Summary

Modifier and Type	Method	Description
void	expire()
T	get()
static <T> Supplier<T>	memoizeWithExpiration(Supplier<ExpiringMemoizingSupplier.ReturnValue<T>> delegate, long duration, TimeUnit unit)
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Details

memoizeWithExpiration

public static <T> Supplier<T> memoizeWithExpiration(Supplier<ExpiringMemoizingSupplier.ReturnValue<T>> delegate,
 long duration,
 TimeUnit unit)

get

public T get()

Specified by:

get in interface Supplier<T>

expire

public void expire()

toString

public String toString()

Overrides:

toString in class Object