almost.functional.reactive

Class BroadcastObserver<T>

java.lang.Object

almost.functional.reactive.BroadcastObserver<T>

Type Parameters:

T - type being observed

All Implemented Interfaces:

Observer<T>

public class BroadcastObserver<T>
extends java.lang.Object
implements Observer<T>

A single Observer that allow for multiple Observers to observe a single event. Once this Observer is completed all the various consumers are released.

See Also:

Observer, Consumer

Constructor Summary

Constructors

Constructor and Description
BroadcastObserver()
BroadcastObserver(Optional<? extends Consumer<T>> nextConsumer, Optional<? extends Consumer<java.lang.Throwable>> errorConsumer, Optional<? extends Consumer<java.lang.Boolean>> completedConsumer)

Method Summary

Methods

Modifier and Type	Method and Description
Observer<T>	addCompletedConsumer(Consumer<java.lang.Boolean>... consumers) Add multiple completed Consumers to this observer.
Observer<T>	addErrorConsumer(Consumer<java.lang.Throwable>... consumers) Add multiple error Consumers to this observer.
Observer<T>	addNextConsumer(Consumer<T>... consumers) Add multiple next Consumers to this observer.
void	completed(java.lang.Boolean withoutError) Observe the completion.
void	error(java.lang.Throwable error) Observe an error that occurred.
void	next(T value) Observe each data item made available.

Methods inherited from class java.lang.Object

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

Constructor Detail

BroadcastObserver

public BroadcastObserver()

BroadcastObserver

public BroadcastObserver(Optional<? extends Consumer<T>> nextConsumer,
                 Optional<? extends Consumer<java.lang.Throwable>> errorConsumer,
                 Optional<? extends Consumer<java.lang.Boolean>> completedConsumer)

Method Detail

completed

public void completed(java.lang.Boolean withoutError)

Description copied from interface: Observer

Observe the completion.

Specified by:

completed in interface Observer<T>

Parameters:

withoutError - if completed without error.

next

public void next(T value)

Description copied from interface: Observer

Observe each data item made available.

Specified by:

next in interface Observer<T>

Parameters:

value - a data item.

error

public void error(java.lang.Throwable error)

Description copied from interface: Observer

Observe an error that occurred. This allows for exceptions without stopping the observations.

Specified by:

error in interface Observer<T>

Parameters:

error - the throwable.

addNextConsumer

public Observer<T> addNextConsumer(Consumer<T>... consumers)

Add multiple next Consumers to this observer.

Parameters:

consumers - a number of next Consumers.

Returns:

this Observer

addErrorConsumer

public Observer<T> addErrorConsumer(Consumer<java.lang.Throwable>... consumers)

Add multiple error Consumers to this observer.

Parameters:

consumers - a number or error Consumers

Returns:

this Observer

addCompletedConsumer

public Observer<T> addCompletedConsumer(Consumer<java.lang.Boolean>... consumers)

Add multiple completed Consumers to this observer.

Parameters:

consumers - a number of completed Consumers

Returns:

this Observer