com.aol.cyclops.data.async

Class Signal<T>

java.lang.Object

com.aol.cyclops.data.async.Signal<T>

Type Parameters:

T - Data type of signal

public class Signal<T>
extends java.lang.Object

Datastructure that accepts a Stream of data and outputs a Stream of changes

 E.g. Stream.of(5,5,5,5,5,5,5,6,1,2,3,5,5,5,5) 
 Results in Stream.of(5,6,1,2,3,5)
 

Constructor Summary

Constructors

Constructor and Description
Signal(Adapter<T> continuous, Adapter<T> discrete) Construct a new Signal

Method Summary

Modifier and Type	Method and Description
void	close() Close this Signal
void	fromStream(java.util.stream.Stream<T> stream)
static <T> Signal<T>	queueBackedSignal()
T	set(T newValue) Set the current value of this signal
static <T> Signal<T>	topicBackedSignal()

Methods inherited from class java.lang.Object

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

Constructor Detail

Signal

public Signal(Adapter<T> continuous,
              Adapter<T> discrete)

Construct a new Signal

Parameters:

continuous - Adapter to handle the continuous flow (not only different values)

discrete - Adapter to handle the discrete (changed) flow

Method Detail

queueBackedSignal

public static <T> Signal<T> queueBackedSignal()

Returns:

Signal backed by a queue

topicBackedSignal

public static <T> Signal<T> topicBackedSignal()

Returns:

Signal backed by a topic

fromStream

public void fromStream(java.util.stream.Stream<T> stream)

Parameters:

stream - Populate this Signal from a Stream

set

public T set(T newValue)

Set the current value of this signal

Parameters:

newValue - Replacement value

Returns:

newValue

close

public void close()

Close this Signal