(Preview)
Package | mx.core |
Class | public class DeferredInstanceFromFunction |
Inheritance | DeferredInstanceFromFunction Object |
Implements | ITransientDeferredInstance |
Language Version: | ActionScript 3.0 |
Product Version: | Flex 3 |
Runtime Versions: | Flash Player 9, AIR 1.1 |
getInstance()
method to
create an instance of an object when it is first needed and get
a reference to the object thereafter.
Related API Elements
Public Properties
Public Methods
Method | Defined By | ||
---|---|---|---|
Constructor. | DeferredInstanceFromFunction | ||
Returns a reference to an instance of the desired object. | DeferredInstanceFromFunction | ||
Indicates whether an object has a specified property defined. | Object | ||
Indicates whether an instance of the Object class is in the prototype chain of the object specified
as the parameter. | Object | ||
Indicates whether the specified property exists and is enumerable. | Object | ||
Resets the state of our factory to the initial, uninitialized state. | DeferredInstanceFromFunction | ||
Sets the availability of a dynamic property for loop operations. | Object | ||
Returns the string representation of this object, formatted according to locale-specific conventions. | Object | ||
Returns the string representation of the specified object. | Object | ||
Returns the primitive value of the specified object. | Object |
Constructor Detail
DeferredInstanceFromFunction | () | Constructor |
public function DeferredInstanceFromFunction(generator:Function, destructor:Function = null)
Language Version: | ActionScript 3.0 |
Product Version: | Flex 3 |
Runtime Versions: | Flash Player 9, AIR 1.1 |
Constructor.
Parametersgenerator:Function — A function that creates and returns an instance
of the required object.
| |
destructor:Function (default = null ) — An optional function used to cleanup outstanding
references when reset() is called.
|
Method Detail
getInstance | () | method |
public function getInstance():Object
Language Version: | ActionScript 3.0 |
Product Version: | Flex 3 |
Runtime Versions: | Flash Player 9, AIR 1.1 |
Returns a reference to an instance of the desired object.
If no instance of the required object exists, calls the function
specified in this class' generator
constructor parameter.
Object — An instance of the object.
|
reset | () | method |
public function reset():void
Language Version: | ActionScript 3.0 |
Product Version: | Flex 4 |
Runtime Versions: | Flash Player 9, AIR 1.1 |
Resets the state of our factory to the initial, uninitialized state. The reference to our cached instance is cleared.
Wed Nov 21 2018, 06:34 AM -08:00