FixedExtractor (Tapestry API - 5.8.7)

java.lang.Object
- org.apache.tapestry5.services.meta.FixedExtractor<T>

All Implemented Interfaces:

MetaDataExtractor<T>
```
public class FixedExtractor<T extends java.lang.annotation.Annotation>
extends java.lang.Object
implements MetaDataExtractor<T>
```
Implementation of MetaDataExtractor that is used to set a fixed value for a fixed meta-data key, when a given annotation is present.

Since:

5.2.0

Constructor Summary

Constructors
Constructor	Description
`FixedExtractor(java.lang.String key)`	Defaults the value to "true".
`FixedExtractor(java.lang.String key, java.lang.String value)`

Method Summary

All Methods Instance Methods Concrete 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.

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

- Constructor Detail
  - FixedExtractor
```
public FixedExtractor(java.lang.String key)
```
    Defaults the value to "true".
  - FixedExtractor
```
public FixedExtractor(java.lang.String key,
                      java.lang.String value)
```
- Method Detail
  - extractMetaData
```
public void extractMetaData(MutableComponentModel model,
                            T annotation)
```
    Description copied from interface: MetaDataExtractor
    
    Invoked on the extractor to extract the appropriate value for the annotation and set the meta data on the model.
    
    Specified by:
    
    extractMetaData in interface MetaDataExtractor<T extends java.lang.annotation.Annotation>
    
    Parameters:
    
    model - on which to set meta data
    
    annotation - class annotation, from whose attributes specific data may be extracted