Plugin (Yamcs :: Core 5.3.2 API)

```
public interface Plugin
```

Method Summary

All Methods Instance Methods Default Methods Deprecated Methods
Modifier and Type	Method	Description
`default Spec`	`getSpec()`	Returns the valid configuration options for this plugin.
`default void`	`onLoad()`	Deprecated.
`default void`	`onLoad(YConfiguration config)`	Callback executed when the plugin is loaded.

- Method Detail
  - getSpec
```
default Spec getSpec()
```
    Returns the valid configuration options for this plugin.
    If null is returned, Yamcs will attempt to autodiscover plugin options in a resource file named after the reverse qualified name of this plugin with yaml extension. For example: for a plugin com.example.MyPlugin, Yamcs will search for a classpath resource /com/example/MyPlugin.yaml.
    
    Returns:
    
    the argument specification. Or null if there are no options or Yamcs should autodiscover them.
  - onLoad
```
@Deprecated
default void onLoad()
             throws PluginException
```
    Deprecated.
    
    Callback executed when the plugin is loaded.
    This is executed after Yamcs has created all configured services, but before actually starting them.
    
    Throws:
    
    PluginException
  - onLoad
```
default void onLoad(YConfiguration config)
             throws PluginException
```
    Callback executed when the plugin is loaded.
    This is executed after Yamcs has created all configured services, but before actually starting them.
    
    Throws:
    
    PluginException