| 套件 | mx.core |
| 類別 | public class DeferredInstanceFromFunction |
| 繼承 | DeferredInstanceFromFunction  Object |
| 實作 | ITransientDeferredInstance |
| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 3 |
| 執行階段版本: | 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.
相關 API 元素
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顯示繼承公用屬性公用方法
| 方法 | 定義自 | ||
|---|---|---|---|
Constructor. | DeferredInstanceFromFunction | ||
Returns a reference to an instance of the desired object. | DeferredInstanceFromFunction | ||
 |
指出物件是否有已定義的指定屬性。 | Object | |
|
指出 Object 類別的實體是否位於指定為參數的物件原型鏈中。 | Object | |
|
指出指定的屬性是否存在，以及是否可列舉。 | Object | |
Resets the state of our factory to the initial, uninitialized state. | DeferredInstanceFromFunction | ||
|
為迴圈作業設定動態屬性的可用性。 | Object | |
|
傳回代表此物件的字串，根據地區特定慣例進行格式化。 | Object | |
|
會傳回指定之物件的字串形式。 | Object | |
|
會傳回指定之物件的基本值。 | Object | |
建構函式詳細資料
DeferredInstanceFromFunction | () | 建構函式 |
public function DeferredInstanceFromFunction(generator:Function, destructor:Function = null)| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 3 |
| 執行階段版本: | Flash Player 9, AIR 1.1 |
Constructor.
參數generator:Function — A function that creates and returns an instance
of the required object.
| |
destructor:Function (default = null)reset() is called.
|
方法詳細資訊
getInstance | () | 方法 |
public function getInstance():Object| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 3 |
| 執行階段版本: | 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 | () | 方法 |
public function reset():void| 語言版本: | ActionScript 3.0 |
| 產品版本: | Flex 4 |
| 執行階段版本: | 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.
Tue Jun 12 2018, 03:47 PM Z