Modifier and Type	Class and Description
pack-priv static enum	TestSubscriber.EmptySubscriber A subscriber that ignores all events and does not report errors.

Modifier and Type	Field and Description
private volatile boolean	cancelled Makes sure the incoming Subscriptions get cancelled immediately.
private final Subscriber<? super T>	downstream The actual subscriber to forward events to.
private final AtomicLong	missedRequested Holds the requested amount until a subscription arrives.
private QueueSubscription<T>	qs
private final AtomicReference<Subscription>	upstream Holds the current subscription if any.

Access	Constructor and Description
public	TestSubscriber() Constructs a non-forwarding TestSubscriber with an initial request value of Long.MAX_VALUE.
public	TestSubscriber(long the initial request value initialRequest) Constructs a non-forwarding TestSubscriber with the specified initial request value.
public	TestSubscriber(Subscriber<? super T> the actual Subscriber to forward events to downstream) Constructs a forwarding TestSubscriber but leaves the requesting to the wrapped subscriber.
public	TestSubscriber(Subscriber<? super T> the actual Subscriber to forward events to actual, long the initial request value initialRequest) Constructs a forwarding TestSubscriber with the specified initial request value.

Method Summary

Modifier and Type	Method and Description
pack-priv final TestSubscriber<T>	Returns: this assertFuseable() Assert that the upstream is a fuseable source.
pack-priv final TestSubscriber<T>	Returns: this assertFusionMode(int the expected mode mode) Asserts that the given fusion mode has been established Package-private: avoid leaking the now internal fusion properties into the public API.
pack-priv final TestSubscriber<T>	Returns: this assertNotFuseable() Assert that the upstream is not a fuseable source.
public final TestSubscriber<T>	Returns: this assertNotSubscribed() Implements abstract io.reactivex.observers.BaseTestConsumer.assertNotSubscribed. Assert that the onSubscribe method hasn't been called at all.
public final TestSubscriber<T>	Returns: this assertOf(Consumer<? super TestSubscriber<T>> the check consumer to run check) Run a check consumer with this TestSubscriber instance.
public final TestSubscriber<T>	Returns: this assertSubscribed() Implements abstract io.reactivex.observers.BaseTestConsumer.assertSubscribed. Assert that the onSubscribe method was called exactly once.
public final void	cancel() Implements org.reactivestreams.Subscription.cancel. Request the `Publisher` to stop sending data and clean up resources.
public static < the value type T> TestSubscriber<T>	Returns: the new TestSubscriber instance. create() Creates a TestSubscriber with Long.MAX_VALUE initial request.
public static < the value type T> TestSubscriber<T>	Returns: the new TestSubscriber instance. create(long the initial requested amount initialRequested) Creates a TestSubscriber with the given initial request.
public static < the value type received T> TestSubscriber<T>	Returns: the new TestObserver instance create(Subscriber<? super T> the actual Subscriber to forward events to delegate) Constructs a forwarding TestSubscriber.
public final void	dispose() Implements io.reactivex.disposables.Disposable.dispose. Dispose the resource, the operation should be idempotent.
pack-priv static String	fusionModeToString(int mode)
public final boolean	Returns: true if this TestSubscriber received a subscription hasSubscription() Returns true if this TestSubscriber received a subscription.
public final boolean	Returns: true if this TestSubscriber has been cancelled isCancelled() Returns true if this TestSubscriber has been cancelled.
public final boolean	isDisposed() Implements io.reactivex.disposables.Disposable.isDisposed. Returns true if this resource has been disposed.
public void	onComplete() Implements org.reactivestreams.Subscriber.onComplete. Successful terminal state.
public void	onError(Throwable the throwable signaled t) Implements org.reactivestreams.Subscriber.onError. Failed terminal state.
public void	onNext(T the element signaled t) Implements org.reactivestreams.Subscriber.onNext. Data notification sent by the `Publisher` in response to requests to `Subscription#request(long)`.
protected void	onStart() Called after the onSubscribe is called and handled.
public void	onSubscribe(Subscription the `Subscription` that allows requesting data via `Subscription#request(long)` s) Implements io.reactivex.FlowableSubscriber.onSubscribe. Implementors of this method should make sure everything that needs to be visible in `onNext(Object)` is established before calling `Subscription#request(long)`.
public final void	request(long the strictly positive number of elements to requests to the upstream `Publisher` n) Implements org.reactivestreams.Subscription.request. No events will be sent by a `Publisher` until demand is signaled via this method.
public final TestSubscriber<T>	Returns: this requestMore(long the request amount n) Calls `request(long)` and returns this.
pack-priv final TestSubscriber<T>	Returns: this setInitialFusionMode(int the mode to establish, see the `QueueSubscription` constants mode) Sets the initial fusion mode if the upstream supports fusion.

Field Detail

cancelled	back to summary
private volatile boolean cancelled Makes sure the incoming Subscriptions get cancelled immediately.

downstream	back to summary
private final Subscriber<? super T> downstream The actual subscriber to forward events to.

missedRequested	back to summary
private final AtomicLong missedRequested Holds the requested amount until a subscription arrives.

qs	back to summary
private QueueSubscription<T> qs

upstream	back to summary
private final AtomicReference<Subscription> upstream Holds the current subscription if any.

Constructor Detail

TestSubscriber	back to summary
public TestSubscriber() Constructs a non-forwarding TestSubscriber with an initial request value of Long.MAX_VALUE.

TestSubscriber	back to summary
public TestSubscriber(long initialRequest) Constructs a non-forwarding TestSubscriber with the specified initial request value. The TestSubscriber doesn't validate the initialRequest value so one can test sources with invalid values as well. Parameters initialRequest:long the initial request value

TestSubscriber

back to summary

public TestSubscriber(long initialRequest)

Constructs a non-forwarding TestSubscriber with the specified initial request value.

The TestSubscriber doesn't validate the initialRequest value so one can test sources with invalid values as well.

Parameters

initialRequest:long: the initial request value

TestSubscriber	back to summary
public TestSubscriber(Subscriber<? super T> downstream) Constructs a forwarding TestSubscriber but leaves the requesting to the wrapped subscriber. Parameters downstream:Subscriber<? super T> the actual Subscriber to forward events to

TestSubscriber

back to summary

public TestSubscriber(Subscriber<? super T> downstream)

Constructs a forwarding TestSubscriber but leaves the requesting to the wrapped subscriber.

Parameters

downstream:Subscriber<? super T>: the actual Subscriber to forward events to

TestSubscriber	back to summary
public TestSubscriber(Subscriber<? super T> actual, long initialRequest) Constructs a forwarding TestSubscriber with the specified initial request value. The TestSubscriber doesn't validate the initialRequest value so one can test sources with invalid values as well. Parameters actual:Subscriber<? super T> the actual Subscriber to forward events to initialRequest:long the initial request value

TestSubscriber

back to summary

public TestSubscriber(Subscriber<? super T> actual, long initialRequest)

Constructs a forwarding TestSubscriber with the specified initial request value.

The TestSubscriber doesn't validate the initialRequest value so one can test sources with invalid values as well.

Parameters

actual:Subscriber<? super T>: the actual Subscriber to forward events to
initialRequest:long: the initial request value

Method Detail

assertFuseable	back to summary
pack-priv final TestSubscriber<T> assertFuseable() Assert that the upstream is a fuseable source. Package-private: avoid leaking the now internal fusion properties into the public API. Use SubscriberFusion to work with such tests. Returns:TestSubscriber<T> this

assertFuseable

back to summary

pack-priv final TestSubscriber<T> assertFuseable()

Assert that the upstream is a fuseable source.

Package-private: avoid leaking the now internal fusion properties into the public API. Use SubscriberFusion to work with such tests.

Returns:TestSubscriber<T>: this

assertFusionMode	back to summary
pack-priv final TestSubscriber<T> assertFusionMode(int mode) Asserts that the given fusion mode has been established Package-private: avoid leaking the now internal fusion properties into the public API. Use SubscriberFusion to work with such tests. Parameters mode:int the expected mode Returns:TestSubscriber<T> this

assertFusionMode

back to summary

pack-priv final TestSubscriber<T> assertFusionMode(int mode)

Asserts that the given fusion mode has been established

Package-private: avoid leaking the now internal fusion properties into the public API. Use SubscriberFusion to work with such tests.

Parameters

mode:int: the expected mode

Returns:TestSubscriber<T>

this

assertNotFuseable	back to summary
pack-priv final TestSubscriber<T> assertNotFuseable() Assert that the upstream is not a fuseable source. Package-private: avoid leaking the now internal fusion properties into the public API. Use SubscriberFusion to work with such tests. Returns:TestSubscriber<T> this

assertNotFuseable

back to summary

pack-priv final TestSubscriber<T> assertNotFuseable()

Assert that the upstream is not a fuseable source.

Package-private: avoid leaking the now internal fusion properties into the public API. Use SubscriberFusion to work with such tests.

Returns:TestSubscriber<T>: this

assertNotSubscribed	back to summary
public final TestSubscriber<T> assertNotSubscribed() Implements abstract io.reactivex.observers.BaseTestConsumer.assertNotSubscribed. Assert that the onSubscribe method hasn't been called at all. Returns:TestSubscriber<T> this Annotations @Override

assertNotSubscribed

back to summary

public final TestSubscriber<T> assertNotSubscribed()

Implements abstract io.reactivex.observers.BaseTestConsumer.assertNotSubscribed.

Assert that the onSubscribe method hasn't been called at all.

Returns:TestSubscriber<T>

this

Annotations

@Override

assertOf	back to summary
public final TestSubscriber<T> assertOf(Consumer<? super TestSubscriber<T>> check) Run a check consumer with this TestSubscriber instance. Parameters check:Consumer<? super TestSubscriber<T>> the check consumer to run Returns:TestSubscriber<T> this

assertOf

back to summary

public final TestSubscriber<T> assertOf(Consumer<? super TestSubscriber<T>> check)

Run a check consumer with this TestSubscriber instance.

Parameters

check:Consumer<? super TestSubscriber<T>>: the check consumer to run

Returns:TestSubscriber<T>

this

assertSubscribed	back to summary
public final TestSubscriber<T> assertSubscribed() Implements abstract io.reactivex.observers.BaseTestConsumer.assertSubscribed. Assert that the onSubscribe method was called exactly once. Returns:TestSubscriber<T> this Annotations @Override

assertSubscribed

back to summary

public final TestSubscriber<T> assertSubscribed()

Implements abstract io.reactivex.observers.BaseTestConsumer.assertSubscribed.

Assert that the onSubscribe method was called exactly once.

Returns:TestSubscriber<T>

this

Annotations

@Override

cancel back to summary

cancel	back to summary
public final void cancel() Implements org.reactivestreams.Subscription.cancel. Doc from org.reactivestreams.Subscription.cancel. Request the `Publisher` to stop sending data and clean up resources. Data may still be sent to meet previously signalled demand after calling cancel. Annotations @Override

public final void cancel()

Implements org.reactivestreams.Subscription.cancel.

Doc from org.reactivestreams.Subscription.cancel.

Request the Publisher to stop sending data and clean up resources.

Data may still be sent to meet previously signalled demand after calling cancel.

Annotations

@Override

create	back to summary
public static <T> TestSubscriber<T> create() Creates a TestSubscriber with Long.MAX_VALUE initial request. Parameters <T> the value type Returns:TestSubscriber<T> the new TestSubscriber instance.

create

back to summary

public static <T> TestSubscriber<T> create()

Creates a TestSubscriber with Long.MAX_VALUE initial request.

Parameters

<T>: the value type

Returns:TestSubscriber<T>

the new TestSubscriber instance.

create	back to summary
public static <T> TestSubscriber<T> create(long initialRequested) Creates a TestSubscriber with the given initial request. Parameters <T> the value type initialRequested:long the initial requested amount Returns:TestSubscriber<T> the new TestSubscriber instance.

create

back to summary

public static <T> TestSubscriber<T> create(long initialRequested)

Creates a TestSubscriber with the given initial request.

Parameters

<T>: the value type
initialRequested:long: the initial requested amount

Returns:TestSubscriber<T>

the new TestSubscriber instance.

create	back to summary
public static <T> TestSubscriber<T> create(Subscriber<? super T> delegate) Constructs a forwarding TestSubscriber. Parameters <T> the value type received delegate:Subscriber<? super T> the actual Subscriber to forward events to Returns:TestSubscriber<T> the new TestObserver instance

create

back to summary

public static <T> TestSubscriber<T> create(Subscriber<? super T> delegate)

Constructs a forwarding TestSubscriber.

Parameters

<T>: the value type received
delegate:Subscriber<? super T>: the actual Subscriber to forward events to

Returns:TestSubscriber<T>

the new TestObserver instance

dispose	back to summary
public final void dispose() Implements io.reactivex.disposables.Disposable.dispose. Doc from io.reactivex.disposables.Disposable.dispose. Dispose the resource, the operation should be idempotent. Annotations @Override

dispose

back to summary

public final void dispose()

Implements io.reactivex.disposables.Disposable.dispose.

Doc from io.reactivex.disposables.Disposable.dispose.

Dispose the resource, the operation should be idempotent.

Annotations

@Override

fusionModeToString	back to summary
pack-priv static String fusionModeToString(int mode)

hasSubscription	back to summary
public final boolean hasSubscription() Returns true if this TestSubscriber received a subscription. Returns:boolean true if this TestSubscriber received a subscription

hasSubscription

back to summary

public final boolean hasSubscription()

Returns true if this TestSubscriber received a subscription.

Returns:boolean: true if this TestSubscriber received a subscription

isCancelled	back to summary
public final boolean isCancelled() Returns true if this TestSubscriber has been cancelled. Returns:boolean true if this TestSubscriber has been cancelled

isCancelled

back to summary

public final boolean isCancelled()

Returns true if this TestSubscriber has been cancelled.

Returns:boolean: true if this TestSubscriber has been cancelled

isDisposed	back to summary
public final boolean isDisposed() Implements io.reactivex.disposables.Disposable.isDisposed. Doc from io.reactivex.disposables.Disposable.isDisposed. Returns true if this resource has been disposed. Returns:boolean true if this resource has been disposed Annotations @Override

isDisposed

back to summary

public final boolean isDisposed()

Implements io.reactivex.disposables.Disposable.isDisposed.

Doc from io.reactivex.disposables.Disposable.isDisposed.

Returns true if this resource has been disposed.

Returns:boolean

true if this resource has been disposed

Annotations

@Override

onComplete back to summary

onComplete	back to summary
public void onComplete() Implements org.reactivestreams.Subscriber.onComplete. Doc from org.reactivestreams.Subscriber.onComplete. Successful terminal state. No further events will be sent even if `Subscription#request(long)` is invoked again. Annotations @Override

public void onComplete()

Implements org.reactivestreams.Subscriber.onComplete.

Doc from org.reactivestreams.Subscriber.onComplete.

Successful terminal state.

No further events will be sent even if Subscription#request(long) is invoked again.

Annotations

@Override

onError back to summary

onError	back to summary
public void onError(Throwable t) Implements org.reactivestreams.Subscriber.onError. Doc from org.reactivestreams.Subscriber.onError. Failed terminal state. No further events will be sent even if `Subscription#request(long)` is invoked again. Parameters t:Throwable the throwable signaled Annotations @Override

public void onError(Throwable t)

Implements org.reactivestreams.Subscriber.onError.

Doc from org.reactivestreams.Subscriber.onError.

Failed terminal state.

No further events will be sent even if Subscription#request(long) is invoked again.

Parameters

t:Throwable: the throwable signaled

Annotations

@Override

onNext back to summary

onNext	back to summary
public void onNext(T t) Implements org.reactivestreams.Subscriber.onNext. Doc from org.reactivestreams.Subscriber.onNext. Data notification sent by the `Publisher` in response to requests to `Subscription#request(long)`. Parameters t:T the element signaled Annotations @Override

public void onNext(T t)

Implements org.reactivestreams.Subscriber.onNext.

Doc from org.reactivestreams.Subscriber.onNext.

Data notification sent by the Publisher in response to requests to Subscription#request(long).

Parameters

t:T: the element signaled

Annotations

@Override

onStart	back to summary
protected void onStart() Called after the onSubscribe is called and handled.

onSubscribe back to summary

onSubscribe	back to summary
public void onSubscribe(Subscription s) Implements io.reactivex.FlowableSubscriber.onSubscribe. Doc from io.reactivex.FlowableSubscriber.onSubscribe. Implementors of this method should make sure everything that needs to be visible in `onNext(Object)` is established before calling `Subscription#request(long)`. In practice this means no initialization should happen after the `request()` call and additional behavior is thread safe in respect to `onNext`. Invoked after calling `Publisher#subscribe(Subscriber)`. No data will start flowing until `Subscription#request(long)` is invoked. It is the responsibility of this `Subscriber` instance to call `Subscription#request(long)` whenever more data is wanted. The `Publisher` will send notifications only in response to `Subscription#request(long)`. Parameters s:Subscription Doc from org.reactivestreams.Subscriber.onSubscribe. the `Subscription` that allows requesting data via `Subscription#request(long)` Annotations @SuppressWarnings:unchecked @Override

public void onSubscribe(Subscription s)

Implements io.reactivex.FlowableSubscriber.onSubscribe.

Doc from io.reactivex.FlowableSubscriber.onSubscribe.

Implementors of this method should make sure everything that needs to be visible in onNext(Object) is established before calling Subscription#request(long). In practice this means no initialization should happen after the request() call and additional behavior is thread safe in respect to onNext. Invoked after calling Publisher#subscribe(Subscriber).

No data will start flowing until Subscription#request(long) is invoked.

It is the responsibility of this Subscriber instance to call Subscription#request(long) whenever more data is wanted.

The Publisher will send notifications only in response to Subscription#request(long).

Parameters

s:Subscription

Doc from org.reactivestreams.Subscriber.onSubscribe.

the Subscription that allows requesting data via Subscription#request(long)

Annotations

@SuppressWarnings:unchecked
@Override

request back to summary

request	back to summary
public final void request(long n) Implements org.reactivestreams.Subscription.request. Doc from org.reactivestreams.Subscription.request. No events will be sent by a `Publisher` until demand is signaled via this method. It can be called however often and whenever needed—but if the outstanding cumulative demand ever becomes Long.MAX_VALUE or more, it may be treated by the `Publisher` as "effectively unbounded". Whatever has been requested can be sent by the `Publisher` so only signal demand for what can be safely handled. A `Publisher` can send less than is requested if the stream ends but then must emit either `Subscriber#onError(Throwable)` or `Subscriber#onComplete()`. Parameters n:long the strictly positive number of elements to requests to the upstream `Publisher` Annotations @Override

public final void request(long n)

Implements org.reactivestreams.Subscription.request.

Doc from org.reactivestreams.Subscription.request.

No events will be sent by a Publisher until demand is signaled via this method.

It can be called however often and whenever needed—but if the outstanding cumulative demand ever becomes Long.MAX_VALUE or more, it may be treated by the Publisher as "effectively unbounded".

Whatever has been requested can be sent by the Publisher so only signal demand for what can be safely handled.

A Publisher can send less than is requested if the stream ends but then must emit either Subscriber#onError(Throwable) or Subscriber#onComplete().

Parameters

n:long: the strictly positive number of elements to requests to the upstream Publisher

Annotations

@Override

requestMore back to summary

requestMore	back to summary
public final TestSubscriber<T> requestMore(long n) Calls `request(long)` and returns this. History: 2.0.1 - experimental Parameters n:long the request amount Returns:TestSubscriber<T> this Since 2.1

public final TestSubscriber<T> requestMore(long n)

Calls request(long) and returns this.

History: 2.0.1 - experimental

Parameters

n:long: the request amount

Returns:TestSubscriber<T>

this

Since

2.1

setInitialFusionMode back to summary

setInitialFusionMode	back to summary
pack-priv final TestSubscriber<T> setInitialFusionMode(int mode) Sets the initial fusion mode if the upstream supports fusion. Package-private: avoid leaking the now internal fusion properties into the public API. Use SubscriberFusion to work with such tests. Parameters mode:int the mode to establish, see the `QueueSubscription` constants Returns:TestSubscriber<T> this

pack-priv final TestSubscriber<T> setInitialFusionMode(int mode)

Sets the initial fusion mode if the upstream supports fusion.

Package-private: avoid leaking the now internal fusion properties into the public API. Use SubscriberFusion to work with such tests.

Parameters

mode:int: the mode to establish, see the QueueSubscription constants

Returns:TestSubscriber<T>

this

io.reactivex.subscribers back to summary

pack-priv final Enum TestSubscriber.EmptySubscriber

Class Inheritance

extends Enum<TestSubscriber.EmptySubscriber>
implements FlowableSubscriber<Object>

java.lang.Object
java.lang.Enum
io.reactivex.subscribers.TestSubscriber.EmptySubscriber

All Implemented Interfaces

io.reactivex.FlowableSubscriber, org.reactivestreams.Subscriber

A subscriber that ignores all events and does not report errors.

Field Summary

Modifier and Type	Field and Description
public static final TestSubscriber.EmptySubscriber	INSTANCE

Constructor Summary

Access	Constructor and Description
private	EmptySubscriber()

Method Summary

Modifier and Type	Method and Description
public void	onComplete() Implements org.reactivestreams.Subscriber.onComplete. Successful terminal state.
public void	onError(Throwable the throwable signaled t) Implements org.reactivestreams.Subscriber.onError. Failed terminal state.
public void	onNext(Object the element signaled t) Implements org.reactivestreams.Subscriber.onNext. Data notification sent by the `Publisher` in response to requests to `Subscription#request(long)`.
public void	onSubscribe(Subscription the `Subscription` that allows requesting data via `Subscription#request(long)` s) Implements io.reactivex.FlowableSubscriber.onSubscribe. Implementors of this method should make sure everything that needs to be visible in `onNext(Object)` is established before calling `Subscription#request(long)`.
public static TestSubscriber.EmptySubscriber	valueOf(String name)
public static TestSubscriber.EmptySubscriber[]	values()

Inherited from java.lang.Enum:: clone compareTo describeConstable equals finalize getDeclaringClass hashCode name ordinal toString valueOf

Field Detail

INSTANCE	back to summary
public static final TestSubscriber.EmptySubscriber INSTANCE

Constructor Detail

EmptySubscriber	back to summary
private EmptySubscriber()

Method Detail

onComplete back to summary

onComplete	back to summary
public void onComplete() Implements org.reactivestreams.Subscriber.onComplete. Doc from org.reactivestreams.Subscriber.onComplete. Successful terminal state. No further events will be sent even if `Subscription#request(long)` is invoked again. Annotations @Override

public void onComplete()

Implements org.reactivestreams.Subscriber.onComplete.

Doc from org.reactivestreams.Subscriber.onComplete.

Successful terminal state.

No further events will be sent even if Subscription#request(long) is invoked again.

Annotations

@Override

onError back to summary

onError	back to summary
public void onError(Throwable t) Implements org.reactivestreams.Subscriber.onError. Doc from org.reactivestreams.Subscriber.onError. Failed terminal state. No further events will be sent even if `Subscription#request(long)` is invoked again. Parameters t:Throwable the throwable signaled Annotations @Override

public void onError(Throwable t)

Implements org.reactivestreams.Subscriber.onError.

Doc from org.reactivestreams.Subscriber.onError.

Failed terminal state.

No further events will be sent even if Subscription#request(long) is invoked again.

Parameters

t:Throwable: the throwable signaled

Annotations

@Override

onNext back to summary

onNext	back to summary
public void onNext(Object t) Implements org.reactivestreams.Subscriber.onNext. Doc from org.reactivestreams.Subscriber.onNext. Data notification sent by the `Publisher` in response to requests to `Subscription#request(long)`. Parameters t:Object the element signaled Annotations @Override

public void onNext(Object t)

Implements org.reactivestreams.Subscriber.onNext.

Doc from org.reactivestreams.Subscriber.onNext.

Data notification sent by the Publisher in response to requests to Subscription#request(long).

Parameters

t:Object: the element signaled

Annotations

@Override

onSubscribe back to summary

onSubscribe	back to summary
public void onSubscribe(Subscription s) Implements io.reactivex.FlowableSubscriber.onSubscribe. Doc from io.reactivex.FlowableSubscriber.onSubscribe. Implementors of this method should make sure everything that needs to be visible in `onNext(Object)` is established before calling `Subscription#request(long)`. In practice this means no initialization should happen after the `request()` call and additional behavior is thread safe in respect to `onNext`. Invoked after calling `Publisher#subscribe(Subscriber)`. No data will start flowing until `Subscription#request(long)` is invoked. It is the responsibility of this `Subscriber` instance to call `Subscription#request(long)` whenever more data is wanted. The `Publisher` will send notifications only in response to `Subscription#request(long)`. Parameters s:Subscription Doc from org.reactivestreams.Subscriber.onSubscribe. the `Subscription` that allows requesting data via `Subscription#request(long)` Annotations @Override

public void onSubscribe(Subscription s)

Implements io.reactivex.FlowableSubscriber.onSubscribe.

Doc from io.reactivex.FlowableSubscriber.onSubscribe.

No data will start flowing until Subscription#request(long) is invoked.

It is the responsibility of this Subscriber instance to call Subscription#request(long) whenever more data is wanted.

The Publisher will send notifications only in response to Subscription#request(long).

Parameters

s:Subscription

Doc from org.reactivestreams.Subscriber.onSubscribe.

the Subscription that allows requesting data via Subscription#request(long)

Annotations