software.amazon.cryptography.materialproviders.model

Class StormTrackingCache

java.lang.Object

software.amazon.cryptography.materialproviders.model.StormTrackingCache

public class StormTrackingCache
extends java.lang.Object

A cache that is safe for use in a multi threaded environment, and tries to prevent redundant or overly parallel backend calls.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	StormTrackingCache.Builder

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	StormTrackingCache(software.amazon.cryptography.materialproviders.model.StormTrackingCache.BuilderImpl builder)

Method Summary

Modifier and Type	Method and Description
static StormTrackingCache.Builder	builder()
int	entryCapacity()
int	entryPruningTailSize()
int	fanOut()
int	graceInterval()
int	gracePeriod()
int	inFlightTTL()
int	sleepMilli()
StormTrackingCache.Builder	toBuilder()

Methods inherited from class java.lang.Object

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

Constructor Detail

StormTrackingCache

protected StormTrackingCache(software.amazon.cryptography.materialproviders.model.StormTrackingCache.BuilderImpl builder)

Method Detail

entryCapacity

public int entryCapacity()

Returns:

Maximum number of entries cached.

entryPruningTailSize

public int entryPruningTailSize()

Returns:

Number of entries to prune at a time.

gracePeriod

public int gracePeriod()

Returns:

How many seconds before expiration should an attempt be made to refresh the materials. If zero, use a simple cache with no storm tracking.

graceInterval

public int graceInterval()

Returns:

How many seconds between attempts to refresh the materials.

fanOut

public int fanOut()

Returns:

How many simultaneous attempts to refresh the materials.

inFlightTTL

public int inFlightTTL()

Returns:

How many seconds until an attempt to refresh the materials should be forgotten.

sleepMilli

public int sleepMilli()

Returns:

How many milliseconds should a thread sleep if fanOut is exceeded.

toBuilder

public StormTrackingCache.Builder toBuilder()

builder

public static StormTrackingCache.Builder builder()