ExtensionComponent (Jenkins core 2.379 API)

java.lang.Object
- hudson.ExtensionComponent<T>

All Implemented Interfaces:

Comparable<ExtensionComponent<T>>
```
public class ExtensionComponent<T>
extends Object
implements Comparable<ExtensionComponent<T>>
```
Discovered Extension object with a bit of metadata for Hudson. This is a plain value object.

Since:

1.356

Author:

Kohsuke Kawaguchi

See Also:

ExtensionFinder, ExtensionFilter

Constructor Summary

Constructors
Constructor	Description
`ExtensionComponent(T instance)`
`ExtensionComponent(T instance, double ordinal)`
`ExtensionComponent(T instance, Extension annotation)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`compareTo(ExtensionComponent<T> that)`	Sort `ExtensionComponent`s in the descending order of `ordinal()`.
`T`	`getInstance()`	The instance of the discovered extension.
`boolean`	`isDescriptorOf(Class<? extends Describable> c)`	Checks if this component is a `Descriptor` describing the given type For example, `component.isDescriptorOf(Builder.class)`
`double`	`ordinal()`	See `Extension.ordinal()`.

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

- Constructor Detail
  - ExtensionComponent
```
public ExtensionComponent(T instance,
                          double ordinal)
```
  - ExtensionComponent
```
public ExtensionComponent(T instance,
                          Extension annotation)
```
  - ExtensionComponent
```
public ExtensionComponent(T instance)
```
- Method Detail
  - ordinal
```
public double ordinal()
```
    See Extension.ordinal(). Used to sort extensions.
  - getInstance
```
public T getInstance()
```
    The instance of the discovered extension.
    
    Returns:
    
    never null.
  - isDescriptorOf
```
public boolean isDescriptorOf(Class<? extends Describable> c)
```
    Checks if this component is a Descriptor describing the given type For example, component.isDescriptorOf(Builder.class)
  - compareTo
```
public int compareTo(ExtensionComponent<T> that)
```
    Sort ExtensionComponents in the descending order of ordinal().
    
    Specified by:
    
    compareTo in interface Comparable<T>