Package software.amazon.lambda.powertools.parameters.cache

Class CacheManager

java.lang.Object

software.amazon.lambda.powertools.parameters.cache.CacheManager

public class CacheManager
extends Object

Manages caching of parameter values with configurable expiration times.

This class is thread-safe. The cache storage is shared across all threads, while expiration time configuration is thread-local to support concurrent requests with different cache TTL requirements.

Constructor Summary

Constructors

Constructor	Description
CacheManager()

Method Summary

Modifier and Type	Method	Description
<T> Optional<T>	getIfNotExpired(String key, Instant now)
<T> void	putInCache(String key, T value)
void	resetExpirationTime()
void	setDefaultExpirationTime(Duration duration)
void	setExpirationTime(Duration duration)

Methods inherited from class java.lang.Object

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

Constructor Details

CacheManager

public CacheManager()

Method Details

getIfNotExpired

public <T> Optional<T> getIfNotExpired(String key,
 Instant now)

setExpirationTime

public void setExpirationTime(Duration duration)

setDefaultExpirationTime

public void setDefaultExpirationTime(Duration duration)

putInCache

public <T> void putInCache(String key,
 T value)

resetExpirationTime

public void resetExpirationTime()