mapstruct ignore field

Failing to specify or will result in a warning. A word is split by "_", It is also possible to register custom strategies. You could then define the mapper from the previous example like this: The class generated by MapStruct implements the method carToCarDto(). Specific mappings from the inversed method can (optionally) be overridden by ignore, expression or constant in the mapping, e.g. When a raw map or a map that does not have a String as a key is used, then a warning will be generated. A field is considered as a write accessor only if it is public. MapStruct will not try to generate an automatic sub-mapping method for an excluded type. Asking for help, clarification, or responding to other answers. or, better yet, help the community and send a pull request for fixing it! by defining mapping mappings are incomplete (not all target properties are mapped), mappings are incorrect (cannot find a proper mapping method or type conversion). Example 54. This means that MapStruct will not try to generate an automatic sub-mapping method between some custom type and some type declared in the Java class library. In this section youll learn how MapStruct deals with such data type conversions. Mapper with collection mapping methods, Example 57. In the above example in case that category is null, the method CategoryToString( Enum.valueOf( Category.class, "DEFAULT" ) ) will be called and the result will be set to the category field. Custom logic is achieved by defining a method which takes FishTank instance as a parameter and returns a VolumeDto. Update method inheriting its configuration, Example 88. In case there are multiple build methods, MapStruct will look for a method called build, if such method exists Mapping method expecting mapping target type as parameter, Example 45. using Spring, jakarta: the generated mapper is annotated with {@code @Named} and can be retrieved via @Inject (from jakarta.inject), e.g. This is obviously not the case for changing a name. Hence, the generated implementation of the original mapper is annotated with @Named("fully-qualified-name-of-generated-implementation") (please note that when using a decorator, the class name of the mapper implementation ends with an underscore). Please note that the fully qualified package name is specified because MapStruct does not take care of the import of the TimeAndFormat class (unless its used otherwise explicitly in the SourceTargetMapper). . Your mapper should look like: using Spring. Not always a mapped attribute has the same type in the source and target objects. We might easily add more fields to a bean or its mapped counterpart and get a partial mapping without even noticing it. One way to handle this is to implement the custom method on another class which then is used by mappers generated by MapStruct (see Invoking other mappers). For a mapper to use the shared configuration, the configuration interface needs to be defined in the @Mapper#config property. Hand-written code has to deal with this. The builder type has a parameterless public method (build method) that returns the type being built. In case more than one method is applicable as source for the inheritance, the method name must be specified within the annotation: @InheritConfiguration( name = "carDtoToCar" ). To get a better understanding of what MapStruct does have a look at the following implementation of the carToCarDto() method as generated by MapStruct: The general philosophy of MapStruct is to generate code which looks as much as possible as if you had written it yourself from hand. If you want different behavior for the Mapping#defaultValue, then please provide an appropriate mapping method. DocumentDto does not exist as such on the target side. MapStruct can even be used to cherry pick properties when source and target do not share the same nesting level (the same number of properties). For Maven based projects add the following to your POM file in order to use MapStruct: If you are working with the Eclipse IDE, make sure to have a current version of the M2E plug-in. You can also define your own annotation by using org.mapstruct.Qualifier. Similarity: stops after handling defined mapping and proceeds to the switch/default clause value. Parameters annotated with @Context are populated with the context parameters of the mapping method. If multiple prototype methods match, the ambiguity must be resolved using @InheritInverseConfiguration(name = ) which will cause `AUTO_INHERIT_REVERSE_FROM_CONFIG to be ignored. The same example above would look like: Although the used mechanism is the same, the user has to be a bit more careful. Person with constructor parameters, Example 21. You can find more information here in the documentation. If the conversion of multiple Bean models with many fields is involved, it is necessary to check whether the conversion mapping relationship of the same fields of the two models is missing. a user can define a source presence checker for String and MapStruct should use this instead. When converting from a String, the value needs to be a valid URL otherwise a MalformedURLException is thrown. The following table shows the supported interface types and their corresponding implementation types as instantiated in the generated code: The mapping of java.util.Stream is done in a similar way as the mapping of collection types, i.e. For example, a Student with section as private property and StudentEntity with section as public property. Refactoring the name of a defined qualifier in an IDE will neatly refactor all other occurrences as well. You are using MapStruct and ran into a problem? If a injection strategy is given for a specific mapper via @Mapper#injectionStrategy(), the value from the annotation takes precedence over the option. using the @Inject annotation: A mapper which uses other mapper classes (see Invoking other mappers) will obtain these mappers using the configured component model. A field is considered as a read accessor if it is public or public final. Example 100. MapStruct will either apply an automatic conversion (as e.g. To learn more, see our tips on writing great answers. */, org.mapstruct.ap.spi.MappingExclusionProvider, org.mapstruct.ap.test.nestedbeans.exclusions.custom.Target.NestedTarget, org.mapstruct.ap.spi.EnumTransformationStrategy, , , org.projectlombok:lombok-mapstruct-binding:0.2.0, 2.5. The CM said MoUs worth Rs 54,276 crore were signed in the hi-tech and infrastructure sectors which will provide jobs to 4,300 people, agreements worth Rs 32,414 crore were inked in IT and fintech sectors which will generate employment for 8,700 people, while pacts worth Rs 46,000 crore were inked in renewable energy and electric vehicle sectors which will provide employment to 4,500 people. Basically, we have to create a simple interface or abstract class, and declare the mapping methods. The generated code in carToCarDto() will invoke the manually implemented personToPersonDto() method when mapping the driver attribute. Dependencies will be injected via constructor. A format string as understood by java.text.DecimalFormat can be specified. Overview. The following shows an example: The shown mapping method takes two source parameters and returns a combined target object. If a policy is given for a specific bean mapping via @BeanMapping#ignoreUnmappedSourceProperties(), it takes precedence over both @Mapper#unmappedSourcePolicy() and the option. An advantage of this approach over declaring default methods is that additional fields could be declared in the mapper class. maps a referenced entity to its id in the target object. mentioned this issue. Moreover, we discussed the problems you could run into when mapping multiple . There is an object that contains field as type List, is it possible to set each (some) field of type T, by values generated in the annotation by the expression parameter? name occurs in CustomerDto.record and in CustomerDto.account. Iterables / Arrays: an empty iterable will be returned. The . notation in an @Mapping source or target type can be used to control how properties should be mapped when names do not match. is done in the same way as mapping bean types, i.e. Dto. This tells MapStruct to deviate from looking for a name kind at this level and map it to type. When converting from a String, the value needs to be a valid ISO-4217 alphabetic code otherwise an IllegalArgumentException is thrown. Generated mapper with builder, Example 19. As with mapping methods, it is possible to specify type parameters for before/after-mapping methods. case - Applies case transformation to the source enum. For CollectionMappingStrategy.ACCESSOR_ONLY Collection- or map-typed properties of the target bean to be updated will be cleared and then populated with the values from the corresponding source collection or map. 1. For collection-typed attributes with different element types each element will be mapped individually and added to the target collection (see Mapping collections). The value will be converted by applying a matching method, type conversion . The same rules apply as for AUTO_INHERIT_FROM_CONFIG or AUTO_INHERIT_REVERSE_FROM_CONFIG. This is useful e.g. methods with the required source and target types in a mapper interface. Between java.time.LocalDate from Java 8 Date-Time package and java.util.Date / java.sql.Date where timezone UTC is used as the timezone. The @Mapping annotation supports now @Target with ElementType#ANNOTATION_TYPE in addition to ElementType#METHOD. it will look for setters into that type). When using the default component model, any hand-written mapper classes to be referenced by MapStruct generated mappers must declare a public no-args constructor in order to be instantiable. MapStruct will perform a null check on each nested property in the source. In particular, methods with a more specific source type will take precedence (e.g. To autowire that bean in your decorator, add that qualifier annotation as well: The generated class that extends the decorator is annotated with Springs @Primary annotation. Also map-based mapping methods are supported. In the generated method implementations all readable properties from the source type (e.g. Similarity: will create a mapping for each target enum constant and proceed to the switch/default clause value. each element, while the generated carsToCarDtos() method invokes the carToCarDto() method for each contained @BeforeMapping methods with an @MappingTarget parameter are called after constructing a new target bean. if there are two methods, one which maps the searched source type, and another one which maps a super-type of the same). Some types of mappings (collections, maps), in which MapStruct is instructed to use a getter or adder as target accessor (see CollectionMappingStrategy), MapStruct will always generate a source property This is demonstrated in @Mapping(target="quality.report.organisation.name", source="quality.report.organisationName"). Between java.time.ZonedDateTime from Java 8 Date-Time package and java.util.Calendar. The generated code will invoke the default methods if the argument and return types match. MapStruct uses the assignment that it can find for the collection mapping. The default reporting policy to be applied in case an attribute of the target object of a mapping method is not populated with a source value. When using MapStruct via Maven, any processor options can be passed using compilerArgs within the configuration of the Maven processor plug-in like this: If set to true, the creation of a time stamp in the @Generated annotation in the generated mapper classes is suppressed. rev2023.1.18.43176. This can be done by either providing the injection strategy via @Mapper or @MapperConfig annotation. To have both getter/setter mapping, a property should be public. For the @MapMapping a similar purpose is served by means of #MapMapping#keyTargetType and MapMapping#valueTargetType. The following shows an example: The generated implementation of the integerStreamToStringSet() performs the conversion from Integer to String for Just invoke the getMapper() method, passing the interface type of the mapper to return: By convention, a mapper interface should define a member called INSTANCE which holds a single instance of the mapper type: This pattern makes it very easy for clients to use mapper objects without repeatedly instantiating new instances: Note that mappers generated by MapStruct are stateless and thread-safe and thus can safely be accessed from several threads at the same time. Mapping element of a list of different type with mapstruct, Mapstruct - ignore a particular field in nested classes, Mapstruct : map field conditionally or ignore, Java MapStruct: Mapper clears the target collection before it maps the individual elements, Mapstruct: Ignore some elements of a collection based on the value of one of their fields, MapStruct. @Mapping#ignore is only applied when @Mapping#source is also present in @InheritInverseConfiguration. mapping method will throw an IllegalStateException if for some reason an unrecognized source value occurs. With Controlling mapping result for 'null' arguments it is possible to control how the return type should be constructed when the source argument of the mapping method is null. When InjectionStrategy#CONSTRUCTOR is used, the constructor will have the appropriate annotation and the fields wont. Using a decorated mapper with JSR 330, Example 97. One method A can inherit the configuration from another method B if all types of A (source types and result type) are assignable to the corresponding types of B. For a mapper with componentModel = "default", define a constructor with a single parameter which accepts the type of the decorated mapper. Mapper using defaultExpression, Example 56. Solution 2. The mapper code generated by MapStruct will use these Lombok . We've defined a toDto() method in the interface, which accepts a Doctor instance and returns a DoctorDto instance. Is there any solution for that? A nice example is the use of the fluent API on the source object GolfPlayer and GolfPlayerDto below. The Zone of Truth spell and a politics-and-deception-heavy campaign, how could they co-exist? In both cases the required annotations will be added to the generated mapper implementations classes in order to make the same subject to dependency injection. I'm trying to enforce strict mapping on all of my mappers so that all fields on the source and target are explicitly ignored if not mapped. MapStruct supports the use of meta annotations. Providing a Mapping#qualifiedByName or Mapping#qualifiedBy will force MapStruct to use that method. . The table explains the options and how they are applied to the presence/absence of a set-s, add- and / or get-s method on the target object: Some background: An adder method is typically used in case of generated (JPA) entities, to add a single element (entity) to an underlying collection. If a mapping method or an implicit conversion for the source and target The attributes @Mapper#mappingInheritanceStrategy() / @MapperConfig#mappingInheritanceStrategy() configure when the method-level mapping configuration annotations are inherited from prototype methods in the interface to methods in the mapper: EXPLICIT (default): the configuration will only be inherited, if the target mapping method is annotated with @InheritConfiguration and the source and target types are assignable to the corresponding types of the prototype method, all as described in Mapping configuration inheritance. Enum mapping method result, and , Example 69. Lombok 1.18.16 introduces a breaking change (changelog). Invoking the adder establishes a parent-child relation between parent - the bean (entity) on which the adder is invoked - and its child(ren), the elements (entities) in the collection. This can be used only once in a set of value mappings and only applies to the source. The PersonMapperDecorator shown below customizes the personToPersonDto(). Constants for , and are available in the MappingConstants class. You can find a test which maps JAXB objects here. This implementation uses plain Java method invocations for mapping between source and target objects, i.e. Builder detection can be switched off by means of @Builder#disableBuilder. with one mapper type per application module) or if you want to provide custom mapping logic which cant be generated by MapStruct. Why did OpenSSH create its own key format, and not use PKCS#8? During compilation, MapStruct will generate an implementation of this interface. Update CarEntity.java with following code . Sometimes mappings are not straightforward and some fields require custom logic. Mapper with stream mapping methods, Example 63. Usage of MapStruct with Lombok, Gunnar Morling, Andreas Gudian, Sjaak Derksen, Filip Hrisafov and the MapStruct community, // If you are using mapstruct in test code, -processorpath path/to/mapstruct-processor-1.5.3.Final.jar, , -Amapstruct.suppressGeneratorTimestamp=true, -Amapstruct.suppressGeneratorVersionInfoComment=true, // MapStruct will use this constructor, because it is a single public constructor, // MapStruct will use this constructor, because it is a parameterless empty constructor, // MapStruct will use this constructor, because it is annotated with @Default, // There will be a compilation error when using this class because MapStruct cannot pick a constructor, // manually implemented logic to translate the OwnerManual with the given Locale, java( new org.sample.TimeAndFormat( s.getTime(), s.getFormat() ) ), java( new TimeAndFormat( s.getTime(), s.getFormat() ) ). The mapping @Mapping( target = "name", source = "record.name" ) resolves this conflict. Fluent setters are setters that return the same type as the type being modified. This guide covers all the functionality provided by MapStruct. Typically an object has not only primitive attributes but also references other objects. The strategy works in a hierarchical fashion. Default values and constants are specified as String values. How do you update . In this case the generated code for mapping such a property invokes its getter and adds all the mapped elements: It is not allowed to declare mapping methods with an iterable source (from a java package) and a non-iterable target or the other way around. MapStruct implements its interface during compilation. In case more than one most-specific method is found, an error will be raised. To create a mapper simply define a Java interface with the required mapping method(s) and annotate it with the org.mapstruct.Mapper annotation: The @Mapper annotation causes the MapStruct code generator to create an implementation of the CarMapper interface during build-time. When using dependency injection, you can choose between field and constructor injection. Referencing another mapper class, Example 41. For instance in the example above. Also I've noticed that generated method assigmentFilesToAssigmentFileDTOs just uses assigmentFileToAssigmentFileDTO in for-loop. i.e. MapStruct can be used with Java 9 and higher versions. Calling applications may require handling of exceptions when calling a mapping method. We can set the unmappedTargetPolicy to the @Mapper annotation. In such case, we can create an abstract class and implement methods we want to have customized and leave abstract those, that should be generated by MapStruct >. MapStruct continues to generate mapping code here. Several constants from the source enum can be mapped to the same constant in the target type. For properties which only exist once in the given source objects it is optional to specify the source parameters name as it can be determined automatically. Generated mapper for mapping map to bean, Example 26. Instead of configuring everything via the parent method we encourage users to explicitly write their own nested methods. When an object factory method or a method annotated with @ObjectFactory exists, it will take precedence over any constructor defined in the target. A format string as understood by java.text.DecimalFormat can be specified. The warning is not generated if the map itself is mapped into some other target property directly as is. if you only want to map a String property when it is not `null, and it is not empty then you can do something like: When using this in combination with an update mapping method it will replace the null-check there, for example: The generated update mapper will look like: If there is a custom @Condition method applicable for the property it will have a precedence over a presence check method in the bean itself. Controlling mapping result for 'null' collection or map arguments. How Intuit improves security, latency, and development velocity with a Site Maintenance - Friday, January 20, 2023 02:00 - 05:00 UTC (Thursday, Jan Were bringing advertisements for technology courses to Stack Overflow, LazyInitializationException with Mapstruct because of cyclic issue, MapStruct ignore automatically unmapped properties, mapstruct service mapping in a collection. Example 55. You can use factories to create a new target entity with intialized collections instead of Mapstruct creating the target entity by its constructor. MapStruct will then generate something like this: Additional context or state information can be passed through generated mapping methods to custom methods with @Context parameters. A mapping with a constant must not include a reference to a source property. This mapping method needs to transforms a String into the desired type of Mapping#target and also be annotated so that it can be found by the Mapping#qualifiedByName or Mapping#qualifiedBy. The algorithm for finding a mapping or factory method resembles Javas method resolution algorithm as much as possible. Those who use Mybatis should pay attention to importing MapStruct's @Mapper and don't confuse it. MapStruct can also convert between different data types. If MapStruct could not create a name based mapping method an error will be raised at build time, indicating the non-mappable attribute and its path. Mapper defined by an abstract class, Example 10. a suffix needs to be applied to map from the source into the target enum. A nice example is to provide support for a custom transformation strategy. In order to achieve what you want you will have to define a custom method where you are going to ignore the data field explicitly and then use @IterableMapping(qualifiedBy) or @IterableMapping(qualifiedByName) to select the required method.. If there is no builder, then MapStruct looks for a single accessible constructor. The same issue exists for the @Context and @TargetType parameters. You should use org.mapstruct.Named and not javax.inject.Named for this to work. Several mapping methods with identical source and target types, Example 46. When doing a mapping MapStruct checks if there is a builder for the type being mapped. Split by `` _ '', source = `` name '', source = `` record.name '' ) this... And @ TargetType parameters community and send a pull request for fixing it of mappings. Mapping MapStruct checks if there is no builder, then please provide an mapping... Directly as is of this interface type per application module ) or if you want different behavior for type... And < ANY_REMAINING >, example 97 using dependency injection, you can also define own... @ target with ElementType # ANNOTATION_TYPE in addition to ElementType # method section youll learn MapStruct. With @ Context are populated with the required source and target objects,.! Shown mapping method object GolfPlayer and GolfPlayerDto below with the Context parameters of the fluent API on the source compilation... Constant must not include a reference to a bean or its mapped counterpart and a... A source presence checker for String and MapStruct should use this instead between java.time.ZonedDateTime from 8... Introduces a breaking change ( changelog ) a decorated mapper with JSR,! Previous example like this: the class generated by MapStruct will either an! Look for setters into that type ) parameters annotated with @ Context are with! Logic is achieved by defining a method which takes FishTank instance as a write accessor only if is! Run into when mapping multiple method result, < NULL > are available in the MappingConstants.... Student with section as public property possible to register custom strategies: class... Of # MapMapping # valueTargetType mapping or factory method resembles Javas method resolution algorithm as much as possible has parameterless. Method carToCarDto ( ) noticing it value will be raised, e.g test which maps objects... Format, and not javax.inject.Named for this to work if you want different behavior for the type built. As with mapping methods with a constant must not include a reference a. Create a new target entity by its constructor parameters of the fluent API the... Injection, you can use factories to create a simple interface or abstract class, 46!, or responding to other answers other target property directly as is shows example! As a parameter and returns a combined target object or target type can be switched off by means of MapMapping!, clarification, or responding to other answers that type ) a write accessor if! Compilation, MapStruct will use these Lombok mapping annotation supports now @ target with #..., a Student with section as public property not always a mapped has... Be raised choose between field and constructor injection to work as e.g other answers it! For a mapper to use that method or mapping # defaultValue, then MapStruct looks for a single accessible.. Implements the method carToCarDto ( ) will invoke the manually implemented personToPersonDto ( ) responding to other answers a. Mappings from the previous example like this: the class generated by MapStruct implements the method carToCarDto ( ) when! Creating the target entity with intialized collections instead of configuring everything via the parent method we encourage users to write! Qualifier in an IDE will neatly refactor all other mapstruct ignore field as well the manually implemented (... An empty iterable will be raised not always a mapped attribute has the same as!, MapStruct will generate an implementation of this interface of Truth spell and a politics-and-deception-heavy campaign how... Is only applied when @ mapping # qualifiedByName or mapping # defaultValue, then MapStruct looks for name... To bean, example 97 if it is public or public final method resembles Javas method resolution algorithm much! Lombok 1.18.16 introduces a breaking change ( changelog ) and GolfPlayerDto below a word is split by `` _,... Not exist as such on the source is public where timezone UTC is used, the configuration interface needs be... Reference to a bean or its mapped counterpart and get a partial mapping without even noticing it after handling mapping... Inversed mapstruct ignore field can ( optionally ) be overridden by ignore, expression or in... # config property done by either providing the injection strategy via @ mapper annotation parameters with. Into when mapping the driver attribute the following shows an example: the shown method. Be specified mapping MapStruct checks if there is no builder, then please provide an mapstruct ignore field mapping method two!, example 69 an @ mapping source or target type can be used only once in a warning type.... Encourage users to explicitly write their own nested methods provide an appropriate mapping method when doing a mapping MapStruct if! And GolfPlayerDto below combined target object accessor if it is also possible to custom! Additional fields could be declared in the @ mapping ( target = `` name '' it... Source type will take precedence ( e.g doing mapstruct ignore field mapping method takes two source parameters and returns combined! Just uses assigmentFileToAssigmentFileDTO in for-loop a single accessible constructor example 97 iterables / Arrays: an empty iterable be! An @ mapping # defaultValue, then please provide an appropriate mapping method proceeds to the source example.... That method when using dependency injection, you can use factories to create new! Before/After-Mapping methods the configuration interface needs to be mapstruct ignore field to map from the previous example like this: the generated. Constant and proceed to the source type will take precedence ( e.g should use and! Methods with identical source and target objects with intialized collections instead of everything! An empty iterable will be returned after handling defined mapping and proceeds to the switch/default value... A source presence checker for String and MapStruct should use org.mapstruct.Named and not use PKCS 8... Higher versions mapping or factory method resembles Javas method resolution algorithm as much as.. Use PKCS # 8 from Java 8 Date-Time package and java.util.Date / java.sql.Date where timezone is... Openssh create its own key format, and declare the mapping methods example: the generated... User can define a source presence checker for String and MapStruct should use instead! Into when mapping multiple maps JAXB objects here from looking for a single accessible.! Will use these Lombok constructor is used as the type being mapped shows an example the... Or its mapped counterpart and get a partial mapping without even noticing it the class by... 'Ve noticed that generated method implementations all readable properties from the source for mapping map bean! Enum can be mapped individually and added to the target side the inversed can! The value needs to be applied to map from the source enum discussed the problems you could run into mapping. To ElementType # ANNOTATION_TYPE in addition to ElementType # method if the argument and types... ' collection or map arguments the algorithm for finding a mapping with a constant mapstruct ignore field not include a reference a! Its mapped counterpart and get a partial mapping without even noticing it simple interface or class. Javas method resolution algorithm as much as possible dependency injection, you can choose between field and constructor injection use! Will result in a mapper to use the shared configuration, the value needs to defined! Malformedurlexception is thrown finding a mapping method ) or if you want to provide support for a custom strategy. Of @ builder # disableBuilder mapper interface warning is not generated if the map itself is mapped into other! Cant be generated by MapStruct will either apply an automatic sub-mapping method for an excluded type invoke manually... Target with ElementType # ANNOTATION_TYPE in addition to ElementType # ANNOTATION_TYPE in addition to ElementType # ANNOTATION_TYPE in to... And send a pull request for fixing it between java.time.ZonedDateTime from Java 8 Date-Time package and java.util.Date / where! A more specific source type ( e.g only once in a warning only when... As is for the type being built MapStruct deals with such data type conversions a.. Map from the previous example like this: the shown mapping method takes two source parameters and returns a target... The injection strategy via @ mapper or @ MapperConfig annotation collections instead of configuring everything via the method. Using MapStruct and ran into a problem builder detection can be mapped to switch/default. Is split by `` _ '', source = `` record.name '' ) resolves this conflict how properties should mapped! To its id in the same type as the type being built a politics-and-deception-heavy campaign, how could they?! Context and @ TargetType parameters an error will be returned will have the appropriate annotation and fields... Target property directly as is ( as e.g creating the target object ran into a problem source. Accessor if it is possible to specify type parameters for before/after-mapping methods more specific source type ( e.g issue for. Collection or map arguments considered as a read accessor if it is public IllegalStateException if for some reason unrecognized! Names do not match several mapping methods, it is public public property: the class by. For 'null ' collection or map arguments a suffix needs to be a valid alphabetic! Its mapped counterpart and get a partial mapping without even noticing it will an... An IDE will neatly refactor all other occurrences as well transformation strategy used to how... Property and StudentEntity with section as public property overridden by ignore, expression or constant in the mapper from source. Target object into the target collection ( see mapping collections ) '', it public... Specify < ANY_REMAINING > or < ANY_UNMAPPED > and < NULL > and < ANY_REMAINING > <... Own key format, and declare the mapping, a property should be.! Source property for help, clarification, or responding to other answers this section youll learn MapStruct!, you can use factories to create a simple interface or abstract class, and not use #... Mapping ( target = `` record.name '' ) resolves this conflict via mapper...
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