io.github.privacystreams.core

Class EventDrivenFunction<Tin,Tout>

java.lang.Object

io.github.privacystreams.core.Function<Tin,Tout>

io.github.privacystreams.core.EventDrivenFunction<Tin,Tout>

Direct Known Subclasses:

PStreamAction, PStreamProvider, PStreamTransformation

public abstract class EventDrivenFunction<Tin,Tout>
extends Function<Tin,Tout>

An EventDrivenFunction is driven by events. When applying this function, the output will immediately return, but the content in output will be generated later. Subclass must implement: `init` method which initializes the output object and returns in current thread.

Field Summary

Fields

Modifier and Type	Field and Description
protected Tin	input
protected Tout	output

Fields inherited from class io.github.privacystreams.core.Function

isCancelled

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	EventDrivenFunction()

Method Summary

Modifier and Type	Method and Description
Tout	apply(UQI uqi, Tin input) Apply this function
protected android.content.Context	getContext()
protected UQI	getUQI()
protected abstract void	init()

Methods inherited from class io.github.privacystreams.core.Function

addParameters, addRequiredPermissions, cancel, compound, getHead, getParameters, getRequiredPermissions, getTail, onCancel, raiseException, toString

Methods inherited from class java.lang.Object

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

Field Detail

input

protected transient Tin input

output

protected transient Tout output

Constructor Detail

EventDrivenFunction

protected EventDrivenFunction()

Method Detail

apply

public final Tout apply(UQI uqi,
                        Tin input)

Description copied from class: Function

Apply this function

Specified by:

apply in class Function<Tin,Tout>

Parameters:

uqi - the instance of UQI

input - the function input

Returns:

the function output

getUQI

protected UQI getUQI()

getContext

protected android.content.Context getContext()

init

protected abstract void init()