Package io.reactivex.rxjava3.internal.subscriptions

Class AsyncSubscription

java.lang.Object

java.lang.Number

java.util.concurrent.atomic.AtomicLong

io.reactivex.rxjava3.internal.subscriptions.AsyncSubscription

All Implemented Interfaces:

Disposable, Serializable, org.reactivestreams.Subscription

public final class AsyncSubscription
extends AtomicLong
implements org.reactivestreams.Subscription, Disposable

A subscription implementation that arbitrates exactly one other Subscription and can hold a single disposable resource.

All methods are thread-safe.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final AtomicReference<org.reactivestreams.Subscription>	actual
(package private) final AtomicReference<Disposable>	resource
private static final long	serialVersionUID

Constructor Summary

Constructors

Constructor	Description
AsyncSubscription()
AsyncSubscription(Disposable resource)

Method Summary

Modifier and Type	Method	Description
void	cancel()
void	dispose()	Dispose the resource, the operation should be idempotent.
boolean	isDisposed()	Returns true if this resource has been disposed.
boolean	replaceResource(Disposable r)	Replaces the currently held resource with the given new one without disposing the old.
void	request(long n)
boolean	setResource(Disposable r)	Sets a new resource and disposes the currently held resource.
void	setSubscription(org.reactivestreams.Subscription s)	Sets the given subscription if there isn't any subscription held.

Methods inherited from class java.util.concurrent.atomic.AtomicLong

accumulateAndGet, addAndGet, compareAndExchange, compareAndExchangeAcquire, compareAndExchangeRelease, compareAndSet, decrementAndGet, doubleValue, floatValue, get, getAcquire, getAndAccumulate, getAndAdd, getAndDecrement, getAndIncrement, getAndSet, getAndUpdate, getOpaque, getPlain, incrementAndGet, intValue, lazySet, longValue, set, setOpaque, setPlain, setRelease, toString, updateAndGet, weakCompareAndSet, weakCompareAndSetAcquire, weakCompareAndSetPlain, weakCompareAndSetRelease, weakCompareAndSetVolatile

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

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

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

actual

final AtomicReference<org.reactivestreams.Subscription> actual

resource

final AtomicReference<Disposable> resource

Constructor Details

AsyncSubscription

public AsyncSubscription()

AsyncSubscription

public AsyncSubscription(Disposable resource)

Method Details

request

public void request(long n)

Specified by:

request in interface org.reactivestreams.Subscription

cancel

public void cancel()

Specified by:

cancel in interface org.reactivestreams.Subscription

dispose

public void dispose()

Description copied from interface: Disposable

Dispose the resource, the operation should be idempotent.

Specified by:

dispose in interface Disposable

isDisposed

public boolean isDisposed()

Description copied from interface: Disposable

Returns true if this resource has been disposed.

Specified by:

isDisposed in interface Disposable

Returns:

true if this resource has been disposed

setResource

public boolean setResource(Disposable r)

Sets a new resource and disposes the currently held resource.

Parameters:

r - the new resource to set

Returns:

false if this AsyncSubscription has been cancelled/disposed

See Also:

• replaceResource(Disposable)

replaceResource

public boolean replaceResource(Disposable r)

Replaces the currently held resource with the given new one without disposing the old.

Parameters:

r - the new resource to set

Returns:

false if this AsyncSubscription has been cancelled/disposed

setSubscription

public void setSubscription(org.reactivestreams.Subscription s)

Sets the given subscription if there isn't any subscription held.

Parameters:

s - the first and only subscription to set