Package org.xbill.DNS

Class AsyncSemaphore

java.lang.Object

org.xbill.DNS.AsyncSemaphore

final class AsyncSemaphore
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) final class	AsyncSemaphore.Permit

Field Summary

Fields

Modifier and Type	Field	Description
private final String	name
private int	permits
private final Queue<CompletableFuture<AsyncSemaphore.Permit>>	queue
private final AsyncSemaphore.Permit	singletonPermit

Constructor Summary

Constructors

Constructor	Description
AsyncSemaphore(int permits, String name)

Method Summary

Modifier and Type	Method	Description
(package private) CompletionStage<AsyncSemaphore.Permit>	acquire(Duration timeout, int id, Executor executor)

Methods inherited from class java.lang.Object

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

Field Details

queue

private final Queue<CompletableFuture<AsyncSemaphore.Permit>> queue

singletonPermit

private final AsyncSemaphore.Permit singletonPermit

name

private final String name

permits

private volatile int permits

Constructor Details

AsyncSemaphore

AsyncSemaphore(int permits,
 String name)

Method Details

acquire

CompletionStage<AsyncSemaphore.Permit> acquire(Duration timeout,
 int id,
 Executor executor)