Package org.mapstruct

Annotation Type Named

@Target({TYPE,METHOD})
@Retention(CLASS)
public @interface Named

Marks mapping methods with the given qualifier name. Can be used to qualify a single method or all methods of a given type by specifying this annotation on the type level.

Will be used to select the correct mapping methods when mapping a bean property type, element of an iterable type or the key/value of a map type.

Example (both methods of Titles are capable to convert a string, but the ambiguity is resolved by applying the qualifiers in @Mapping:

 
 @Named("TitleTranslator")
 public class Titles {

   @Named("EnglishToGerman")
   public String translateTitleEG(String title) {
       // some mapping logic
   }

   @Named("GermanToEnglish")
   public String translateTitleGE(String title) {
       // some mapping logic
   }
 }

 @Mapper( uses = Titles.class )
 public interface MovieMapper {

    @Mapping( target = "title", qualifiedByName = { "TitleTranslator", "EnglishToGerman" } )
    GermanRelease toGerman( OriginalRelease movies );

 }
 
 

The following implementation of MovieMapper will be generated:

 

 public class MovieMapperImpl implements MovieMapper {
     private final Titles titles = new Titles();

     @Override
     public GermanRelease toGerman(OriginalRelease movies) {
         if ( movies == null ) {
             return null;
         }

         GermanRelease germanRelease = new GermanRelease();

         germanRelease.setTitle( titles.translateTitleEG( movies.getTitle() ) );

         return germanRelease;
     }
 }
 
 

Author:

Sjaak Derksen

See Also:

• Mapping.qualifiedByName()
• IterableMapping.qualifiedByName()
• MapMapping.keyQualifiedByName()
• MapMapping.valueQualifiedByName()

Required Element Summary

Required Elements

Modifier and Type	Required Element	Description
String	value	A name qualifying the annotated element

Element Details

value

String value

A name qualifying the annotated element

Returns:

the name.