ActionSource2 (Jakarta EE Platform API)

All Superinterfaces:

ActionSource

All Known Implementing Classes:

HtmlCommandButton, HtmlCommandLink, HtmlCommandScript, UICommand, UIViewAction
```
public interface ActionSource2
extends ActionSource
```
ActionSource2 extends ActionSource and provides a JavaBeans "action" property. The type of this property is a MethodExpression. This allows the ActionSource concept to leverage the Jakarta Expression Language API.

Since:

1.2

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`MethodExpression`	`getActionExpression()`	Return the `MethodExpression` pointing at the application action to be invoked, if this `UIComponent` is activated by the user, during the Apply Request Values or Invoke Application phase of the request processing lifecycle, depending on the value of the `immediate` property.
`void`	`setActionExpression(MethodExpression action)`	Set the `MethodExpression` pointing at the appication action to be invoked, if this `UIComponent` is activated by the user, during the Apply Request Values or Invoke Application phase of the request processing lifecycle, depending on the value of the `immediate` property.

Methods inherited from interface jakarta.faces.component.ActionSource
addActionListener, getActionListeners, isImmediate, removeActionListener, setImmediate

- Method Detail
  - getActionExpression
```
MethodExpression getActionExpression()
```
    Return the MethodExpression pointing at the application action to be invoked, if this UIComponent is activated by the user, during the Apply Request Values or Invoke Application phase of the request processing lifecycle, depending on the value of the immediate property.
    
    Returns:
    
    the action expression.
  - setActionExpression
```
void setActionExpression(MethodExpression action)
```
    Set the MethodExpression pointing at the appication action to be invoked, if this UIComponent is activated by the user, during the Apply Request Values or Invoke Application phase of the request processing lifecycle, depending on the value of the immediate property.
    
    Any method referenced by such an expression must be public, with a return type of String, and accept no parameters.
    
    Parameters:
    
    action - The new method expression