RxJavaHooks (RxJava Javadoc 1.3.8)

java.lang.Object
- rx.plugins.RxJavaHooks

```
public final class RxJavaHooks
extends java.lang.Object
```
Utility class that holds hooks for various Observable, Single and Completable lifecycle-related points as well as Scheduler hooks.
The class features a lockdown state, see lockdown() and isLockdown(), to prevent further changes to the hooks.

Since:

1.3

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static void`	`clear()` Clears all hooks to be no-op (and pass-through) and onError hook to signal errors to the caller thread's UncaughtExceptionHandler.
`static void`	`clearAssemblyTracking()` Clears the assembly tracking hooks to their default pass-through behavior.
`static void`	`enableAssemblyTracking()` Sets up hooks that capture the current stacktrace when a source or an operator is instantiated, keeping it in a field for debugging purposes and alters exceptions passing along to hold onto this stacktrace.
`static Func1<Completable.OnSubscribe,Completable.OnSubscribe>`	`getOnCompletableCreate()` Returns the current Completable onCreate hook function or null if it is set to the default pass-through.
`static Func1<Completable.Operator,Completable.Operator>`	`getOnCompletableLift()` Returns the current Completable onLift hook function or null if it is set to the default pass-through.
`static Func2<Completable,Completable.OnSubscribe,Completable.OnSubscribe>`	`getOnCompletableStart()` Returns the current Completable onStart hook function or null if it is set to the default pass-through.
`static Func1<java.lang.Throwable,java.lang.Throwable>`	`getOnCompletableSubscribeError()` Returns the current Completable onSubscribeError hook function or null if it is set to the default pass-through.
`static Func1<Scheduler,Scheduler>`	`getOnComputationScheduler()` Returns the current computation scheduler hook function or null if it is set to the default pass-through.
`static Action1<java.lang.Throwable>`	`getOnError()` Returns the current global error handler hook action or null if it is set to the default one that signals errors to the current threads UncaughtExceptionHandler.
`static Func0<? extends java.util.concurrent.ScheduledExecutorService>`	`getOnGenericScheduledExecutorService()` Returns the current factory for creating ScheduledExecutorServices in GenericScheduledExecutorService utility.
`static Func1<Scheduler,Scheduler>`	`getOnIOScheduler()` Returns the current io scheduler hook function or null if it is set to the default pass-through.
`static Func1<Scheduler,Scheduler>`	`getOnNewThreadScheduler()` Returns the current new thread scheduler hook function or null if it is set to the default pass-through.
`static Func1<Observable.OnSubscribe,Observable.OnSubscribe>`	`getOnObservableCreate()` Returns the current Observable onCreate hook function or null if it is set to the default pass-through.
`static Func1<Observable.Operator,Observable.Operator>`	`getOnObservableLift()` Returns the current Observable onLift hook function or null if it is set to the default pass-through.
`static Func1<Subscription,Subscription>`	`getOnObservableReturn()` Returns the current Observable onReturn hook function or null if it is set to the default pass-through.
`static Func2<Observable,Observable.OnSubscribe,Observable.OnSubscribe>`	`getOnObservableStart()` Returns the current Observable onStart hook function or null if it is set to the default pass-through.
`static Func1<java.lang.Throwable,java.lang.Throwable>`	`getOnObservableSubscribeError()` Returns the current Observable onSubscribeError hook function or null if it is set to the default pass-through.
`static Func1<Action0,Action0>`	`getOnScheduleAction()` Returns the current schedule action hook function or null if it is set to the default pass-through.
`static Func1<Single.OnSubscribe,Single.OnSubscribe>`	`getOnSingleCreate()` Returns the current Single onCreate hook function or null if it is set to the default pass-through.
`static Func1<Observable.Operator,Observable.Operator>`	`getOnSingleLift()` Returns the current Single onLift hook function or null if it is set to the default pass-through.
`static Func1<Subscription,Subscription>`	`getOnSingleReturn()` Returns the current Single onReturn hook function or null if it is set to the default pass-through.
`static Func2<Single,Single.OnSubscribe,Single.OnSubscribe>`	`getOnSingleStart()` Returns the current Single onStart hook function or null if it is set to the default pass-through.
`static Func1<java.lang.Throwable,java.lang.Throwable>`	`getOnSingleSubscribeError()` Returns the current Single onSubscribeError hook function or null if it is set to the default pass-through.
`static boolean`	`isLockdown()` Returns true if the hooks can no longer be changed.
`static void`	`lockdown()` Prevents changing the hooks.
`static java.lang.Throwable`	`onCompletableError(java.lang.Throwable error)` Hook to call if the Completable.subscribe() crashes for some reason.
`static <T,R> Completable.Operator`	`onCompletableLift(Completable.Operator operator)` Hook to call before the child subscriber would subscribe to an Operator.
`static <T> Completable.OnSubscribe`	`onCompletableStart(Completable instance, Completable.OnSubscribe onSubscribe)` Hook to call before the child subscriber is subscribed to the OnSubscribe action.
`static Scheduler`	`onComputationScheduler(Scheduler scheduler)` Hook to call when the Schedulers.computation() is called.
`static Completable.OnSubscribe`	`onCreate(Completable.OnSubscribe onSubscribe)` Hook to call when a Completable is created.
`static <T> Observable.OnSubscribe<T>`	`onCreate(Observable.OnSubscribe<T> onSubscribe)` Hook to call when an Observable is created.
`static <T> Single.OnSubscribe<T>`	`onCreate(Single.OnSubscribe<T> onSubscribe)` Hook to call when a Single is created.
`static void`	`onError(java.lang.Throwable ex)` Consume undeliverable Throwables (acts as a global catch).
`static Scheduler`	`onIOScheduler(Scheduler scheduler)` Hook to call when the Schedulers.io() is called.
`static Scheduler`	`onNewThreadScheduler(Scheduler scheduler)` Hook to call when the Schedulers.newThread() is called.
`static java.lang.Throwable`	`onObservableError(java.lang.Throwable error)` Hook to call if the Observable.subscribe() crashes for some reason.
`static <T,R> Observable.Operator<R,T>`	`onObservableLift(Observable.Operator<R,T> operator)` Hook to call before the child subscriber would subscribe to an Operator.
`static Subscription`	`onObservableReturn(Subscription subscription)` Hook to call before the Observable.subscribe() method is about to return a Subscription.
`static <T> Observable.OnSubscribe<T>`	`onObservableStart(Observable<T> instance, Observable.OnSubscribe<T> onSubscribe)` Hook to call before the child subscriber is subscribed to the OnSubscribe action.
`static Action0`	`onScheduledAction(Action0 action)` Hook to call before the action is scheduled, allows decorating the original action.
`static java.lang.Throwable`	`onSingleError(java.lang.Throwable error)` Hook to call if the Single.subscribe() crashes for some reason.
`static <T,R> Observable.Operator<R,T>`	`onSingleLift(Observable.Operator<R,T> operator)` Hook to call before the child subscriber would subscribe to an Operator.
`static Subscription`	`onSingleReturn(Subscription subscription)` Hook to call before the Single.subscribe() method is about to return a Subscription.
`static <T> Single.OnSubscribe<T>`	`onSingleStart(Single<T> instance, Single.OnSubscribe<T> onSubscribe)` Hook to call before the child subscriber is subscribed to the OnSubscribe action.
`static void`	`reset()` Reset all hook callbacks to those of the current RxJavaPlugins handlers.
`static void`	`resetAssemblyTracking()` Resets the assembly tracking hooks to their default delegates to RxJavaPlugins.
`static void`	`setOnCompletableCreate(Func1<Completable.OnSubscribe,Completable.OnSubscribe> onCompletableCreate)` Sets the Completable's onCreate hook function unless a lockdown is in effect.
`static void`	`setOnCompletableLift(Func1<Completable.Operator,Completable.Operator> onCompletableLift)` Sets a hook function that is called with an operator when a Completable operator built with lift() gets subscribed to.
`static void`	`setOnCompletableStart(Func2<Completable,Completable.OnSubscribe,Completable.OnSubscribe> onCompletableStart)` Sets the hook function that is called when a subscriber subscribes to a Completable unless a lockdown is in effect.
`static void`	`setOnCompletableSubscribeError(Func1<java.lang.Throwable,java.lang.Throwable> onCompletableSubscribeError)` Sets a hook function that is called when the Completable.subscribe() call fails with an exception.
`static void`	`setOnComputationScheduler(Func1<Scheduler,Scheduler> onComputationScheduler)` Sets the hook function for returning a scheduler when the Schedulers.computation() is called unless a lockdown is in effect.
`static void`	`setOnError(Action1<java.lang.Throwable> onError)` Sets the global error consumer action unless a lockdown is in effect.
`static void`	`setOnGenericScheduledExecutorService(Func0<? extends java.util.concurrent.ScheduledExecutorService> factory)` Sets the hook function for returning a ScheduledExecutorService used by the GenericScheduledExecutorService for background tasks.
`static void`	`setOnIOScheduler(Func1<Scheduler,Scheduler> onIOScheduler)` Sets the hook function for returning a scheduler when the Schedulers.io() is called unless a lockdown is in effect.
`static void`	`setOnNewThreadScheduler(Func1<Scheduler,Scheduler> onNewThreadScheduler)` Sets the hook function for returning a scheduler when the Schedulers.newThread() is called unless a lockdown is in effect.
`static void`	`setOnObservableCreate(Func1<Observable.OnSubscribe,Observable.OnSubscribe> onObservableCreate)` Sets the Observable onCreate hook function unless a lockdown is in effect.
`static void`	`setOnObservableLift(Func1<Observable.Operator,Observable.Operator> onObservableLift)` Sets a hook function that is called with an operator when an Observable operator built with lift() gets subscribed to.
`static void`	`setOnObservableReturn(Func1<Subscription,Subscription> onObservableReturn)` Sets a hook function that is called when the Observable.subscribe() call is about to return a Subscription unless a lockdown is in effect.
`static void`	`setOnObservableStart(Func2<Observable,Observable.OnSubscribe,Observable.OnSubscribe> onObservableStart)` Sets the hook function that is called when a subscriber subscribes to a Observable unless a lockdown is in effect.
`static void`	`setOnObservableSubscribeError(Func1<java.lang.Throwable,java.lang.Throwable> onObservableSubscribeError)` Sets a hook function that is called when the Observable.subscribe() call fails with an exception.
`static void`	`setOnScheduleAction(Func1<Action0,Action0> onScheduleAction)` Sets the hook function that is called before an action is scheduled, allowing decorating that function, unless a lockdown is in effect.
`static void`	`setOnSingleCreate(Func1<Single.OnSubscribe,Single.OnSubscribe> onSingleCreate)` Sets the Single onCreate hook function unless a lockdown is in effect.
`static void`	`setOnSingleLift(Func1<Observable.Operator,Observable.Operator> onSingleLift)` Sets a hook function that is called with an operator when an Single operator built with lift() gets subscribed to.
`static void`	`setOnSingleReturn(Func1<Subscription,Subscription> onSingleReturn)` Sets a hook function that is called when the Single.subscribe() call is about to return a Subscription unless a lockdown is in effect.
`static void`	`setOnSingleStart(Func2<Single,Single.OnSubscribe,Single.OnSubscribe> onSingleStart)` Sets the hook function that is called when a subscriber subscribes to a Single unless a lockdown is in effect.
`static void`	`setOnSingleSubscribeError(Func1<java.lang.Throwable,java.lang.Throwable> onSingleSubscribeError)` Sets a hook function that is called when the Single.subscribe() call fails with an exception.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - reset
```
public static void reset()
```
    Reset all hook callbacks to those of the current RxJavaPlugins handlers.
    
    See Also:
    
    clear()
  - clear
```
public static void clear()
```
    Clears all hooks to be no-op (and pass-through) and onError hook to signal errors to the caller thread's UncaughtExceptionHandler.
    
    See Also:
    
    reset()
  - lockdown
```
public static void lockdown()
```
    Prevents changing the hooks.
  - isLockdown
```
public static boolean isLockdown()
```
    Returns true if the hooks can no longer be changed.
    
    Returns:
    
    true if the hooks can no longer be changed
  - onError
```
public static void onError(java.lang.Throwable ex)
```
    Consume undeliverable Throwables (acts as a global catch).
    
    Parameters:
    
    ex - the exception to handle
  - onCreate
```
public static <T> Observable.OnSubscribe<T> onCreate(Observable.OnSubscribe<T> onSubscribe)
```
    Hook to call when an Observable is created.
    
    Type Parameters:
    
    T - the value type
    
    Parameters:
    
    onSubscribe - the original OnSubscribe logic
    
    Returns:
    
    the original or replacement OnSubscribe instance
  - onCreate
```
public static <T> Single.OnSubscribe<T> onCreate(Single.OnSubscribe<T> onSubscribe)
```
    Hook to call when a Single is created.
    
    Type Parameters:
    
    T - the value type
    
    Parameters:
    
    onSubscribe - the original OnSubscribe logic
    
    Returns:
    
    the original or replacement OnSubscribe instance
  - onCreate
```
public static Completable.OnSubscribe onCreate(Completable.OnSubscribe onSubscribe)
```
    Hook to call when a Completable is created.
    
    Parameters:
    
    onSubscribe - the original OnSubscribe logic
    
    Returns:
    
    the original or replacement OnSubscribe instance
  - onComputationScheduler
```
public static Scheduler onComputationScheduler(Scheduler scheduler)
```
    Hook to call when the Schedulers.computation() is called.
    
    Parameters:
    
    scheduler - the default computation scheduler
    
    Returns:
    
    the default of alternative scheduler
  - onIOScheduler
```
public static Scheduler onIOScheduler(Scheduler scheduler)
```
    Hook to call when the Schedulers.io() is called.
    
    Parameters:
    
    scheduler - the default io scheduler
    
    Returns:
    
    the default of alternative scheduler
  - onNewThreadScheduler
```
public static Scheduler onNewThreadScheduler(Scheduler scheduler)
```
    Hook to call when the Schedulers.newThread() is called.
    
    Parameters:
    
    scheduler - the default new thread scheduler
    
    Returns:
    
    the default of alternative scheduler
  - onScheduledAction
```
public static Action0 onScheduledAction(Action0 action)
```
    Hook to call before the action is scheduled, allows decorating the original action.
    
    Parameters:
    
    action - the original action
    
    Returns:
    
    the original or alternative action
  - onObservableStart
```
public static <T> Observable.OnSubscribe<T> onObservableStart(Observable<T> instance,
                                                              Observable.OnSubscribe<T> onSubscribe)
```
    Hook to call before the child subscriber is subscribed to the OnSubscribe action.
    
    Type Parameters:
    
    T - the value type
    
    Parameters:
    
    instance - the parent Observable instance
    
    onSubscribe - the original OnSubscribe action
    
    Returns:
    
    the original or alternative action that will be subscribed to
  - onObservableReturn
```
public static Subscription onObservableReturn(Subscription subscription)
```
    Hook to call before the Observable.subscribe() method is about to return a Subscription.
    
    Parameters:
    
    subscription - the original subscription
    
    Returns:
    
    the original or alternative subscription that will be returned
  - onObservableError
```
public static java.lang.Throwable onObservableError(java.lang.Throwable error)
```
    Hook to call if the Observable.subscribe() crashes for some reason.
    
    Parameters:
    
    error - the error
    
    Returns:
    
    the original error or alternative Throwable to be thrown
  - onObservableLift
```
public static <T,R> Observable.Operator<R,T> onObservableLift(Observable.Operator<R,T> operator)
```
    Hook to call before the child subscriber would subscribe to an Operator.
    
    Type Parameters:
    
    T - the input value type
    
    R - the output value type
    
    Parameters:
    
    operator - the original operator
    
    Returns:
    
    the original or alternative operator that will be subscribed to
  - onSingleStart
```
public static <T> Single.OnSubscribe<T> onSingleStart(Single<T> instance,
                                                      Single.OnSubscribe<T> onSubscribe)
```
    Hook to call before the child subscriber is subscribed to the OnSubscribe action.
    
    Type Parameters:
    
    T - the value type
    
    Parameters:
    
    instance - the parent Single instance
    
    onSubscribe - the original OnSubscribe action
    
    Returns:
    
    the original or alternative action that will be subscribed to
  - onSingleReturn
```
public static Subscription onSingleReturn(Subscription subscription)
```
    Hook to call before the Single.subscribe() method is about to return a Subscription.
    
    Parameters:
    
    subscription - the original subscription
    
    Returns:
    
    the original or alternative subscription that will be returned
  - onSingleError
```
public static java.lang.Throwable onSingleError(java.lang.Throwable error)
```
    Hook to call if the Single.subscribe() crashes for some reason.
    
    Parameters:
    
    error - the error
    
    Returns:
    
    the original error or alternative Throwable to be thrown
  - onSingleLift
```
public static <T,R> Observable.Operator<R,T> onSingleLift(Observable.Operator<R,T> operator)
```
    Hook to call before the child subscriber would subscribe to an Operator.
    
    Type Parameters:
    
    T - the input value type
    
    R - the output value type
    
    Parameters:
    
    operator - the original operator
    
    Returns:
    
    the original or alternative operator that will be subscribed to
  - onCompletableStart
```
public static <T> Completable.OnSubscribe onCompletableStart(Completable instance,
                                                             Completable.OnSubscribe onSubscribe)
```
    Hook to call before the child subscriber is subscribed to the OnSubscribe action.
    
    Type Parameters:
    
    T - the value type
    
    Parameters:
    
    instance - the parent Completable instance
    
    onSubscribe - the original OnSubscribe action
    
    Returns:
    
    the original or alternative action that will be subscribed to
  - onCompletableError
```
public static java.lang.Throwable onCompletableError(java.lang.Throwable error)
```
    Hook to call if the Completable.subscribe() crashes for some reason.
    
    Parameters:
    
    error - the error
    
    Returns:
    
    the original error or alternative Throwable to be thrown
  - onCompletableLift
```
public static <T,R> Completable.Operator onCompletableLift(Completable.Operator operator)
```
    Hook to call before the child subscriber would subscribe to an Operator.
    
    Type Parameters:
    
    T - the input value type
    
    R - the output value type
    
    Parameters:
    
    operator - the original operator
    
    Returns:
    
    the original or alternative operator that will be subscribed to
  - setOnError
```
public static void setOnError(Action1<java.lang.Throwable> onError)
```
    Sets the global error consumer action unless a lockdown is in effect.
    This operation is thread-safe.
    Calling with a null parameter has the effect that errors are routed to the current thread's Thread.UncaughtExceptionHandler.
    
    Parameters:
    
    onError - the action that will receive undeliverable Throwables
  - setOnCompletableCreate
```
public static void setOnCompletableCreate(Func1<Completable.OnSubscribe,Completable.OnSubscribe> onCompletableCreate)
```
    Sets the Completable's onCreate hook function unless a lockdown is in effect.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same object.
    
    Parameters:
    
    onCompletableCreate - the function that takes the original CompletableOnSubscribe and should return a CompletableOnSubscribe.
  - setOnObservableCreate
```
public static void setOnObservableCreate(Func1<Observable.OnSubscribe,Observable.OnSubscribe> onObservableCreate)
```
    Sets the Observable onCreate hook function unless a lockdown is in effect.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same object.
    
    Parameters:
    
    onObservableCreate - the function that takes the original OnSubscribe and should return a OnSubscribe.
  - setOnSingleCreate
```
public static void setOnSingleCreate(Func1<Single.OnSubscribe,Single.OnSubscribe> onSingleCreate)
```
    Sets the Single onCreate hook function unless a lockdown is in effect.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same object.
    
    Parameters:
    
    onSingleCreate - the function that takes the original OnSubscribe and should return a OnSubscribe.
  - setOnComputationScheduler
```
public static void setOnComputationScheduler(Func1<Scheduler,Scheduler> onComputationScheduler)
```
    Sets the hook function for returning a scheduler when the Schedulers.computation() is called unless a lockdown is in effect.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same object.
    
    Parameters:
    
    onComputationScheduler - the function that receives the original computation scheduler and should return a scheduler.
  - setOnIOScheduler
```
public static void setOnIOScheduler(Func1<Scheduler,Scheduler> onIOScheduler)
```
    Sets the hook function for returning a scheduler when the Schedulers.io() is called unless a lockdown is in effect.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same object.
    
    Parameters:
    
    onIOScheduler - the function that receives the original io scheduler and should return a scheduler.
  - setOnNewThreadScheduler
```
public static void setOnNewThreadScheduler(Func1<Scheduler,Scheduler> onNewThreadScheduler)
```
    Sets the hook function for returning a scheduler when the Schedulers.newThread() is called unless a lockdown is in effect.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same object.
    
    Parameters:
    
    onNewThreadScheduler - the function that receives the original new thread scheduler and should return a scheduler.
  - setOnScheduleAction
```
public static void setOnScheduleAction(Func1<Action0,Action0> onScheduleAction)
```
    Sets the hook function that is called before an action is scheduled, allowing decorating that function, unless a lockdown is in effect.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same object.
    
    Parameters:
    
    onScheduleAction - the function that receives the original action and should return an Action0.
  - setOnCompletableStart
```
public static void setOnCompletableStart(Func2<Completable,Completable.OnSubscribe,Completable.OnSubscribe> onCompletableStart)
```
    Sets the hook function that is called when a subscriber subscribes to a Completable unless a lockdown is in effect.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same CompletableOnSubscribe object.
    
    Parameters:
    
    onCompletableStart - the function that is called with the current Completable instance, its CompletableOnSubscribe function and should return a CompletableOnSubscribe function that gets actually subscribed to.
  - setOnObservableStart
```
public static void setOnObservableStart(Func2<Observable,Observable.OnSubscribe,Observable.OnSubscribe> onObservableStart)
```
    Sets the hook function that is called when a subscriber subscribes to a Observable unless a lockdown is in effect.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same OnSubscribe object.
    
    Parameters:
    
    onObservableStart - the function that is called with the current Observable instance, its OnSubscribe function and should return a OnSubscribe function that gets actually subscribed to.
  - setOnSingleStart
```
public static void setOnSingleStart(Func2<Single,Single.OnSubscribe,Single.OnSubscribe> onSingleStart)
```
    Sets the hook function that is called when a subscriber subscribes to a Single unless a lockdown is in effect.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same OnSubscribe object.
    
    Parameters:
    
    onSingleStart - the function that is called with the current Single instance, its OnSubscribe function and should return a OnSubscribe function that gets actually subscribed to.
  - setOnObservableReturn
```
public static void setOnObservableReturn(Func1<Subscription,Subscription> onObservableReturn)
```
    Sets a hook function that is called when the Observable.subscribe() call is about to return a Subscription unless a lockdown is in effect.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same object.
    
    Parameters:
    
    onObservableReturn - the function that is called with the Subscriber that has been subscribed to the OnSubscribe function and returns a Subscription that will be returned by subscribe().
  - setOnSingleReturn
```
public static void setOnSingleReturn(Func1<Subscription,Subscription> onSingleReturn)
```
    Sets a hook function that is called when the Single.subscribe() call is about to return a Subscription unless a lockdown is in effect.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same object.
    
    Parameters:
    
    onSingleReturn - the function that is called with the SingleSubscriber that has been subscribed to the OnSubscribe function and returns a Subscription that will be returned by subscribe().
  - setOnSingleSubscribeError
```
public static void setOnSingleSubscribeError(Func1<java.lang.Throwable,java.lang.Throwable> onSingleSubscribeError)
```
    Sets a hook function that is called when the Single.subscribe() call fails with an exception.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same object.
    
    Parameters:
    
    onSingleSubscribeError - the function that is called with the crash exception and should return an exception.
  - getOnSingleSubscribeError
```
public static Func1<java.lang.Throwable,java.lang.Throwable> getOnSingleSubscribeError()
```
    Returns the current Single onSubscribeError hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - setOnCompletableSubscribeError
```
public static void setOnCompletableSubscribeError(Func1<java.lang.Throwable,java.lang.Throwable> onCompletableSubscribeError)
```
    Sets a hook function that is called when the Completable.subscribe() call fails with an exception.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same object.
    
    Parameters:
    
    onCompletableSubscribeError - the function that is called with the crash exception and should return an exception.
  - getOnCompletableSubscribeError
```
public static Func1<java.lang.Throwable,java.lang.Throwable> getOnCompletableSubscribeError()
```
    Returns the current Completable onSubscribeError hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - setOnObservableSubscribeError
```
public static void setOnObservableSubscribeError(Func1<java.lang.Throwable,java.lang.Throwable> onObservableSubscribeError)
```
    Sets a hook function that is called when the Observable.subscribe() call fails with an exception.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same object.
    
    Parameters:
    
    onObservableSubscribeError - the function that is called with the crash exception and should return an exception.
  - getOnObservableSubscribeError
```
public static Func1<java.lang.Throwable,java.lang.Throwable> getOnObservableSubscribeError()
```
    Returns the current Observable onSubscribeError hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - setOnObservableLift
```
public static void setOnObservableLift(Func1<Observable.Operator,Observable.Operator> onObservableLift)
```
    Sets a hook function that is called with an operator when an Observable operator built with lift() gets subscribed to.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same object.
    
    Parameters:
    
    onObservableLift - the function that is called with original Operator and should return an Operator instance.
  - getOnObservableLift
```
public static Func1<Observable.Operator,Observable.Operator> getOnObservableLift()
```
    Returns the current Observable onLift hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - setOnSingleLift
```
public static void setOnSingleLift(Func1<Observable.Operator,Observable.Operator> onSingleLift)
```
    Sets a hook function that is called with an operator when an Single operator built with lift() gets subscribed to.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same object.
    
    Parameters:
    
    onSingleLift - the function that is called with original Operator and should return an Operator instance.
  - getOnSingleLift
```
public static Func1<Observable.Operator,Observable.Operator> getOnSingleLift()
```
    Returns the current Single onLift hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - setOnCompletableLift
```
public static void setOnCompletableLift(Func1<Completable.Operator,Completable.Operator> onCompletableLift)
```
    Sets a hook function that is called with an operator when a Completable operator built with lift() gets subscribed to.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: the hook returns the same object.
    
    Parameters:
    
    onCompletableLift - the function that is called with original Operator and should return an Operator instance.
  - getOnCompletableLift
```
public static Func1<Completable.Operator,Completable.Operator> getOnCompletableLift()
```
    Returns the current Completable onLift hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - getOnComputationScheduler
```
public static Func1<Scheduler,Scheduler> getOnComputationScheduler()
```
    Returns the current computation scheduler hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - getOnError
```
public static Action1<java.lang.Throwable> getOnError()
```
    Returns the current global error handler hook action or null if it is set to the default one that signals errors to the current threads UncaughtExceptionHandler.
    This operation is thread-safe.
    
    Returns:
    
    the current hook action
  - getOnIOScheduler
```
public static Func1<Scheduler,Scheduler> getOnIOScheduler()
```
    Returns the current io scheduler hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - getOnNewThreadScheduler
```
public static Func1<Scheduler,Scheduler> getOnNewThreadScheduler()
```
    Returns the current new thread scheduler hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - getOnObservableCreate
```
public static Func1<Observable.OnSubscribe,Observable.OnSubscribe> getOnObservableCreate()
```
    Returns the current Observable onCreate hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - getOnScheduleAction
```
public static Func1<Action0,Action0> getOnScheduleAction()
```
    Returns the current schedule action hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - getOnSingleCreate
```
public static Func1<Single.OnSubscribe,Single.OnSubscribe> getOnSingleCreate()
```
    Returns the current Single onCreate hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - getOnCompletableCreate
```
public static Func1<Completable.OnSubscribe,Completable.OnSubscribe> getOnCompletableCreate()
```
    Returns the current Completable onCreate hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - getOnCompletableStart
```
public static Func2<Completable,Completable.OnSubscribe,Completable.OnSubscribe> getOnCompletableStart()
```
    Returns the current Completable onStart hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - getOnObservableStart
```
public static Func2<Observable,Observable.OnSubscribe,Observable.OnSubscribe> getOnObservableStart()
```
    Returns the current Observable onStart hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - getOnSingleStart
```
public static Func2<Single,Single.OnSubscribe,Single.OnSubscribe> getOnSingleStart()
```
    Returns the current Single onStart hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - getOnObservableReturn
```
public static Func1<Subscription,Subscription> getOnObservableReturn()
```
    Returns the current Observable onReturn hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - getOnSingleReturn
```
public static Func1<Subscription,Subscription> getOnSingleReturn()
```
    Returns the current Single onReturn hook function or null if it is set to the default pass-through.
    This operation is thread-safe.
    
    Returns:
    
    the current hook function
  - resetAssemblyTracking
```
public static void resetAssemblyTracking()
```
    Resets the assembly tracking hooks to their default delegates to RxJavaPlugins.
  - clearAssemblyTracking
```
public static void clearAssemblyTracking()
```
    Clears the assembly tracking hooks to their default pass-through behavior.
  - enableAssemblyTracking
```
public static void enableAssemblyTracking()
```
    Sets up hooks that capture the current stacktrace when a source or an operator is instantiated, keeping it in a field for debugging purposes and alters exceptions passing along to hold onto this stacktrace.
  - setOnGenericScheduledExecutorService
```
public static void setOnGenericScheduledExecutorService(Func0<? extends java.util.concurrent.ScheduledExecutorService> factory)
```
    Sets the hook function for returning a ScheduledExecutorService used by the GenericScheduledExecutorService for background tasks.
    This operation is thread-safe.
    Calling with a null parameter restores the default behavior: create the default with Executors.newScheduledThreadPool(int, java.util.concurrent.ThreadFactory).
    For the changes to take effect, the Schedulers has to be restarted.
    
    Parameters:
    
    factory - the supplier that is called when the GenericScheduledExecutorService is (re)started
  - getOnGenericScheduledExecutorService
```
public static Func0<? extends java.util.concurrent.ScheduledExecutorService> getOnGenericScheduledExecutorService()
```
    Returns the current factory for creating ScheduledExecutorServices in GenericScheduledExecutorService utility.
    This operation is thread-safe.
    
    Returns:
    
    the current factory function

Class RxJavaHooks

Method Summary

Methods inherited from class java.lang.Object

Method Detail

reset

clear

lockdown

isLockdown

onError

onCreate

onCreate

onCreate

onComputationScheduler

onIOScheduler

onNewThreadScheduler

onScheduledAction

onObservableStart

onObservableReturn

onObservableError

onObservableLift

onSingleStart

onSingleReturn

onSingleError

onSingleLift

onCompletableStart

onCompletableError

onCompletableLift

setOnError

setOnCompletableCreate

setOnObservableCreate

setOnSingleCreate

setOnComputationScheduler

setOnIOScheduler

setOnNewThreadScheduler

setOnScheduleAction

setOnCompletableStart

setOnObservableStart

setOnSingleStart

setOnObservableReturn

setOnSingleReturn

setOnSingleSubscribeError

getOnSingleSubscribeError

setOnCompletableSubscribeError

getOnCompletableSubscribeError

setOnObservableSubscribeError

getOnObservableSubscribeError

setOnObservableLift

getOnObservableLift

setOnSingleLift

getOnSingleLift

setOnCompletableLift

getOnCompletableLift

getOnComputationScheduler

getOnError

getOnIOScheduler

getOnNewThreadScheduler

getOnObservableCreate

getOnScheduleAction

getOnSingleCreate

getOnCompletableCreate

getOnCompletableStart

getOnObservableStart

getOnSingleStart

getOnObservableReturn

getOnSingleReturn

resetAssemblyTracking

clearAssemblyTracking

enableAssemblyTracking

setOnGenericScheduledExecutorService

getOnGenericScheduledExecutorService