MetaDataExtractor (Tapestry API - 5.7.2)

All Known Implementing Classes:

ContentTypeExtractor, FixedExtractor, MetaAnnotationExtractor, UnknownActivationContextExtractor
```
public interface MetaDataExtractor<T extends Annotation>
```
Used to extract a meta data value from a component annotation. Instances of this interface are contributed into the MetaWorker service.

Since:

5.2.0

See Also:

MetaWorker, MetaDataLocator

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`extractMetaData(MutableComponentModel model, T annotation)`	Invoked on the extractor to extract the appropriate value for the annotation and set the meta data on the model.

- Method Detail
  - extractMetaData
```
void extractMetaData(MutableComponentModel model,
                     T annotation)
```
    Invoked on the extractor to extract the appropriate value for the annotation and set the meta data on the model.
    
    Parameters:
    
    model - on which to set meta data
    
    annotation - class annotation, from whose attributes specific data may be extracted