Class SemaphoreKdfExecutionLimiter

java.lang.Object

com.svenruppert.jsentinel.credential.password.limiter.SemaphoreKdfExecutionLimiter

All Implemented Interfaces:

KdfExecutionLimiter

public final class SemaphoreKdfExecutionLimiter
extends Object
implements KdfExecutionLimiter

KdfExecutionLimiter backed by a fair Semaphore.

Nested Class Summary

Nested classes/interfaces inherited from interface KdfExecutionLimiter

KdfExecutionLimiter.Lease

Modifier and Type	Interface	Description
static interface	KdfExecutionLimiter.Lease	Permit handle.

Constructor Summary

Constructors

Constructor	Description
SemaphoreKdfExecutionLimiter(KdfResourceBudget budget)

Method Summary

Modifier and Type	Method	Description
Optional<KdfExecutionLimiter.Lease>	acquire()	Tries to acquire a KDF permit.

Methods inherited from class Object

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

Constructor Details

SemaphoreKdfExecutionLimiter

public SemaphoreKdfExecutionLimiter(KdfResourceBudget budget)

Method Details

acquire

public Optional<KdfExecutionLimiter.Lease> acquire()

Description copied from interface: KdfExecutionLimiter

Tries to acquire a KDF permit. Blocks up to KdfResourceBudget.maxWait() before giving up.

Specified by:

acquire in interface KdfExecutionLimiter

Returns:

an KdfExecutionLimiter.Lease that must be released, or Optional.empty() when the limiter refused