LanguageMetricsProvider (PMD Core 7.0.0-rc2 API)

```
public interface LanguageMetricsProvider
```
Language-specific provider for metrics. Knows about all the metrics defined for a language. Can be used e.g. to build GUI applications like the designer, in a language independent way. Accessible through LanguageVersionHandler.getLanguageMetricsProvider().

Since:

6.11.0

Author:

Clément Fournier

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default Map<Metric<?,?>,Number>`	`computeAllMetricsFor(Node node)`	Computes all metrics available on the given node.
`Set<Metric<?,?>>`	`getMetrics()`	Returns the set of all metrics supported by the language.
`default @Nullable Metric<?,?>`	`getMetricWithName(String nameIgnoringCase)`	Fetch a metric using its name.

- Method Detail
  - getMetrics
```
Set<Metric<?,?>> getMetrics()
```
    Returns the set of all metrics supported by the language.
  - getMetricWithName
```
default @Nullable Metric<?,?> getMetricWithName(String nameIgnoringCase)
```
    Fetch a metric using its name.
  - computeAllMetricsFor
```
default Map<Metric<?,?>,Number> computeAllMetricsFor(Node node)
```
    Computes all metrics available on the given node. The returned results may contain Double.NaN as a value.
    
    Parameters:
    
    node - Node to inspect
    
    Returns:
    
    A map of metric key to their result, possibly empty, but with no null value