PostponedAction

java.lang.Object
- org.htmlunit.javascript.PostponedAction

```
public abstract class PostponedAction
extends java.lang.Object
```
An action triggered by a script execution but that should be executed first when the script is finished. Example: when a script sets the source of an (i)frame, the request to the specified page will be first triggered after the script execution.

Field Summary

Fields
Modifier and Type Field Description

private java.lang.String description_

private java.lang.ref.WeakReference<Page> owningPageRef_

Constructor Summary

Constructors
Constructor Description

PostponedAction(Page owningPage, java.lang.String description)
C'tor.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract void`	`execute()`	Execute the action.
`protected Page`	`getOwningPage()`	Gets the owning page.
`boolean`	`isStillAlive()`	Indicates if the action still needs to be executed.
`java.lang.String`	`toString()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - owningPageRef_
```
private final java.lang.ref.WeakReference<Page> owningPageRef_
```
  - description_
```
private final java.lang.String description_
```
- Constructor Detail
  - PostponedAction
```
public PostponedAction(Page owningPage,
                       java.lang.String description)
```
    C'tor.
    
    Parameters:
    
    owningPage - the page that initiates this action
    
    description - information making debugging easier
- Method Detail
  - getOwningPage
```
protected Page getOwningPage()
```
    Gets the owning page.
    
    Returns:
    
    the page that initiated this action or null if it has already been GCed
  - execute
```
public abstract void execute()
                      throws java.lang.Exception
```
    Execute the action.
    
    Throws:
    
    java.lang.Exception - if it fails
  - isStillAlive
```
public boolean isStillAlive()
```
    Indicates if the action still needs to be executed.
    
    Returns:
    
    true if the action needs to be executed
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object