Package org.apache.tapestry5.services.meta

# Class FixedExtractor<T extends Annotation>

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

All Implemented Interfaces:
  `MetaDataExtractor<T>`

public class FixedExtractor<T extends Annotation> extends 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(String key)`
  Defaults the value to "true".
  `FixedExtractor(String key, String value)`

- ## Method Summary

  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 Details

  - ### FixedExtractor

    public FixedExtractor(String key)
    Defaults the value to "true".

  - ### FixedExtractor

    public FixedExtractor(String key, String value)

- ## Method Details

  - ### 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 Annotation>`
    Parameters:
      `model` - on which to set meta data
      `annotation` - class annotation, from whose attributes specific data may be extracted