br.com.arch.toolkit.livedata.computable

Class ComputableLiveData<T>

java.lang.Object

<any>

br.com.arch.toolkit.livedata.computable.ComputableLiveData<T>

Type Parameters:

T - The type of the value do compute

public abstract class ComputableLiveData<T>
extends <any>

Implementation of LiveData to make it possible compute something on the WorkerThread, and abort or invalidate if needed

Will compute the value only when it has at least one observer, in other words, if the liveData instance is active

Constructor Summary

Constructors

Constructor and Description
ComputableLiveData()

Method Summary

Modifier and Type	Method and Description
boolean	hasComputed()
void	interrupt() Interrupt the ongoing computing Thread and call abort()
void	invalidate() Invalidate the actual data and compute again
boolean	isRunning()
boolean	isRunningOrHasComputed()
protected void	onActive()

Methods inherited from class java.lang.Object

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

Constructor Detail

ComputableLiveData

public ComputableLiveData()

Method Detail

isRunning

public boolean isRunning()

Returns:

true if it is computing some value, false otherwise

hasComputed

public boolean hasComputed()

Returns:

true if it has computed some value, false otherwise

isRunningOrHasComputed

public boolean isRunningOrHasComputed()

See Also:

isRunning(), hasComputed()

invalidate

public void invalidate()

Invalidate the actual data and compute again

interrupt

public void interrupt()

Interrupt the ongoing computing Thread and call abort()

onActive

protected void onActive()