Gauge (Metrics Parent 4.1.0 API)

```
@Retention(RUNTIME)
@Target({METHOD,FIELD,ANNOTATION_TYPE})
public @interface Gauge
```
An annotation for marking a method of an annotated object as a gauge.
Given a method like this:
```
     @Gauge(name = "queueSize")
     public int getQueueSize() {
         return queue.size;
     }
 
```
A gauge for the defining class with the name queueSize will be created which uses the annotated method's return value as its value.

- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  boolean absolute
  
  String name

- Element Detail
  - name
```
String name
```
    Returns:
    
    The gauge's name.
    
    Default:
    
    ""
- - absolute
```
boolean absolute
```
    Returns:
    
    If true, use the given name as an absolute name. If false, use the given name relative to the annotated class.
    
    Default:
    
    false