Package software.amazon.awssdk.utils.cache

Class OneCallerBlocks

java.lang.Object

software.amazon.awssdk.utils.cache.OneCallerBlocks

All Implemented Interfaces:

AutoCloseable, CachedSupplier.PrefetchStrategy, SdkAutoCloseable

public class OneCallerBlocks
extends Object
implements CachedSupplier.PrefetchStrategy

A CachedSupplier.PrefetchStrategy that will have one caller at a time block to update the value. Multiple calls to prefetch(Runnable) will result in only one caller actually performing the update, with the others immediately returning.

Constructor Summary

Constructors

Constructor	Description
OneCallerBlocks()

Method Summary

Modifier and Type	Method	Description
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

Methods inherited from interface software.amazon.awssdk.utils.cache.CachedSupplier.PrefetchStrategy

close, fetch, initializeCachedSupplier

Constructor Details

OneCallerBlocks

public OneCallerBlocks()

Method Details

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