PeriodicInquirer< T >

For a value source without change event, periodically check it to invoke an event when changed. More...

Public Member Functions
	PeriodicInquirer ()
	Create an inquirer for setup each behavior and start manually. More...
	PeriodicInquirer (Func< T > inquirer, Action< T, T > onUpdated, float interval=0f, bool start=true)
	Create an inquirer with common settings, optional to start immediately. More...
void	Stop ()
	Stop running periodic checking. More...
void	Start ()
	Start running periodic checking. More...

Public Attributes
float	interval
	The interval seconds to check the value. More...
Func< T >	inquirer
	The callback to get the current value. More...
Func< bool >	stopper
	The callback to check if to stop, default not to stop automatically. More...
bool	running => null != _coroutiner && !_coroutiner.isDone
	Determine if currently running. More...

Properties
T	current [get]
	Get the current value. More...

Events
Action< T, T >	onUpdated = (old, now) => {}
	The event invoked when the value updated. More...

Detailed Description

For a value source without change event, periodically check it to invoke an event when changed.

Template Parameters

T	The value type.

Constructor & Destructor Documentation

PeriodicInquirer

(

)

Create an inquirer for setup each behavior and start manually.

PeriodicInquirer	(	Func< T >	inquirer,
		Action< T, T >	onUpdated,
		float	interval = 0f,
		bool	start = true
	)

Create an inquirer with common settings, optional to start immediately.

Parameters

inquirer	The callback to get the current value.
onUpdated	The event invoked when the value updated.
interval	The interval seconds to check the value.
start	If to start immediately.

Member Function Documentation

void Stop

(

)

Stop running periodic checking.

void Start

(

)

Start running periodic checking.

Member Data Documentation

float interval

The interval seconds to check the value.

Func<T> inquirer

The callback to get the current value.

Func<bool> stopper

The callback to check if to stop, default not to stop automatically.

bool running => null != _coroutiner && !_coroutiner.isDone

Determine if currently running.

Property Documentation

T current

get

Get the current value.

Event Documentation

Action<T, T> onUpdated = (old, now) => {}

The event invoked when the value updated.

First invoked when Start(), both parameters are the current value. Then every time the value changed, invoked with the last and the current value.