RenderPerformanceListener (Wicket Development Utilities 9.14.0 API)

java.lang.Object
- org.apache.wicket.devutils.inspector.RenderPerformanceListener

All Implemented Interfaces:

org.apache.wicket.application.IComponentInstantiationListener
```
public class RenderPerformanceListener
extends Object
implements org.apache.wicket.application.IComponentInstantiationListener
```
A listener that adds a special Behavior that measures the time needed by a component to render itself. MarkupContainer's render includes the time for rendering its children so the time accumulates.
To enable this listener use the following in YourApplication.init():
```
 getComponentInstantiationListeners().add(new RenderPerformanceListener());
 
```

Constructor Summary

Constructors
Constructor Description

RenderPerformanceListener()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected boolean`	`accepts(org.apache.wicket.Component component)`	Filters which components' render performance should be measured.
`void`	`onInstantiation(org.apache.wicket.Component component)`

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

- Constructor Detail
  - RenderPerformanceListener
```
public RenderPerformanceListener()
```
- Method Detail
  - onInstantiation
```
public void onInstantiation(org.apache.wicket.Component component)
```
    Specified by:
    
    onInstantiation in interface org.apache.wicket.application.IComponentInstantiationListener
  - accepts
```
protected boolean accepts(org.apache.wicket.Component component)
```
    Filters which components' render performance should be measured.
    
    Parameters:
    
    component - the component that is instantiated
    
    Returns:
    
    true if render time should be measured the for this component, false - otherwise