ix.internal.util

Class ObserverToIteratorSink<T,U>

java.lang.Object

ix.internal.util.ObserverToIteratorSink<T,U>

Type Parameters:

T - the observed type

U - the returned value type

All Implemented Interfaces:

CloseableIterator<U>, java.util.Iterator<U>, rx.Observer<T>, rx.Subscription

public abstract class ObserverToIteratorSink<T,U>
extends java.lang.Object
implements rx.Observer<T>, CloseableIterator<U>

Base class to help transition from reactive to interactive world.

Field Summary

Fields

Modifier and Type	Field and Description
protected SingleOption<U>	current The current value.
protected boolean	done Indicate that the stream has finished.
protected rx.Subscription	handle The original handle to the observer registration.

Constructor Summary

Constructors

Constructor and Description
ObserverToIteratorSink(rx.Subscription handle) Constructor, saves the handle.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	done() Closes this iterator and suppresses exceptions.
boolean	hasNext()
boolean	isUnsubscribed()
U	next()
void	remove()
abstract boolean	tryNext(SingleOption<? super U> out) Try to get the next value.
void	unsubscribe()

Methods inherited from class java.lang.Object

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

Methods inherited from interface rx.Observer

onCompleted, onError, onNext

Field Detail

done

protected boolean done

Indicate that the stream has finished.

handle

protected final rx.Subscription handle

The original handle to the observer registration.

current

protected final SingleOption<U> current

The current value.

Constructor Detail

ObserverToIteratorSink

public ObserverToIteratorSink(rx.Subscription handle)

Constructor, saves the handle.

Parameters:

handle - the handle to close when the stream finishes.

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<U>

next

public U next()

Specified by:

next in interface java.util.Iterator<U>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<U>

unsubscribe

public void unsubscribe()

Specified by:

unsubscribe in interface rx.Subscription

isUnsubscribed

public boolean isUnsubscribed()

Specified by:

isUnsubscribed in interface rx.Subscription

done

protected void done()

Closes this iterator and suppresses exceptions.

tryNext

public abstract boolean tryNext(SingleOption<? super U> out)

Try to get the next value.

Parameters:

out - the output where to put the value

Returns:

true if value was available