Package software.amazon.awssdk.utils.cache

Class NonBlocking

java.lang.Object

software.amazon.awssdk.utils.cache.NonBlocking

All Implemented Interfaces:

AutoCloseable, CachedSupplier.PrefetchStrategy

public class NonBlocking
extends Object
implements CachedSupplier.PrefetchStrategy

A CachedSupplier.PrefetchStrategy that will run a single thread in the background to update the value. A call to prefetch on this strategy will never return. Multiple calls to prefetch(Runnable) will still only result in one background task performing the update.

Constructor Summary

Constructors

Constructor	Description
NonBlocking(String asyncThreadName)	Create a non-blocking prefetch strategy that uses the provided value for the name of the background thread that will be performing the update.

Method Summary

Modifier and Type	Method	Description
void	close()	Free any resources associated with the strategy.
void	prefetch(Runnable valueUpdater)	Execute the provided value updater to update the cache.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NonBlocking

public NonBlocking(String asyncThreadName)

Create a non-blocking prefetch strategy that uses the provided value for the name of the background thread that will be performing the update.

Method Detail

prefetch

public void prefetch(Runnable valueUpdater)

Description copied from interface: CachedSupplier.PrefetchStrategy

Execute the provided value updater to update the cache. The specific implementation defines how this is invoked.

Specified by:

prefetch in interface CachedSupplier.PrefetchStrategy

close

public void close()

Description copied from interface: CachedSupplier.PrefetchStrategy

Free any resources associated with the strategy. This is invoked when the CachedSupplier.close() method is invoked.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface CachedSupplier.PrefetchStrategy