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Welcome to the MapStruct user group! This used to be the place for questions and discussions for the MapStruct bean mapping generator and discuss its development. We have moved this to GitHub Discussions

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Filip Hrisafov2

6/1/20

MapStruct 1.4.0.Beta1 is released

And of course out of all the excitement I put the wrong link for the release blog :). The release

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MapStruct 1.4.0.Beta1 is released

And of course out of all the excitement I put the wrong link for the release blog :). The release

6/1/20

3/2/23

@InheritConfiguration method lookup through the @Mapper(uses) field?

The documentation states that @InheritConfiguration method lookup is "in the current mapper, a

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@InheritConfiguration method lookup through the @Mapper(uses) field?

The documentation states that @InheritConfiguration method lookup is "in the current mapper, a

3/2/23

Rich MacDonald2

11/3/21

Feedback on new mapping-map-to-bean feature

//Example test class public class TestTarget { public int myIntPrim; public Integer myInteger; public

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Feedback on new mapping-map-to-bean feature

//Example test class public class TestTarget { public int myIntPrim; public Integer myInteger; public

11/3/21

Baptiste Pernet

10/21/21

IterableMapping with additional shared value

Hello, I wanted to run this problem by the community to see what's the best way of doing this.

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IterableMapping with additional shared value

Hello, I wanted to run this problem by the community to see what's the best way of doing this.

10/21/21

Olufemi Oyenusi2

9/16/21

Consider defining a bean of type ''FooMapper" in your configuration

I also want to clarify that I am in fact using @Mapper(componentModel = "spring"), that

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Consider defining a bean of type ''FooMapper" in your configuration

I also want to clarify that I am in fact using @Mapper(componentModel = "spring"), that

9/16/21

DESHAYES Laurent, Filip Hrisafov3

6/28/21

ignore superclass

Hey, I would suggest opening an issue in our issue tracker for this. While doing that I would suggest

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ignore superclass

Hey, I would suggest opening an issue in our issue tracker for this. While doing that I would suggest

6/28/21

andrea.be...@gmail.com

4/8/21

Use @DecoratedWith in a @MapperConfig interface/class

As described in the reference guide, is possible to define a shared configuration, so all mappers

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Use @DecoratedWith in a @MapperConfig interface/class

As described in the reference guide, is possible to define a shared configuration, so all mappers

4/8/21

3/25/21

getters with different type not mapping.

hi guys, mapstruct cannot seem to find method annotated with @Named unwrap @Data //domain public

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getters with different type not mapping.

hi guys, mapstruct cannot seem to find method annotated with @Named unwrap @Data //domain public

3/25/21

Jeroen van Wilgenburg, Filip Hrisafov2

2/27/21

Conventions of parameter order in annotations

Hey Jeroen, Our convention is to put the target first and then the source. If we have an

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Conventions of parameter order in annotations

Hey Jeroen, Our convention is to put the target first and then the source. If we have an

2/27/21

Pierpaolo Piccoli, Stanislav Spiridonov3

2/24/21

How use mapStruct in Eclipse stand alone. without maven or gradle or ant

hi, thanks for your reply, i've resolved using java 8 regards Paolo Il giorno mercoledì 24

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How use mapStruct in Eclipse stand alone. without maven or gradle or ant

hi, thanks for your reply, i've resolved using java 8 regards Paolo Il giorno mercoledì 24

2/24/21

Baron MG, Stanislav Spiridonov2

2/24/21

Questions on Mapstructs.

Hi, 1. Optional<String> -> String - you need to define a custom method 2. int -> String -

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Questions on Mapstructs.

Hi, 1. Optional<String> -> String - you need to define a custom method 2. int -> String -

2/24/21

Philipp Ludewig, Stanislav Spiridonov4

2/17/21

Injecting Dependency in Mapper

Hi, 1. Simple test - new MyMapperImpl() + mappers custom method (inside MyMapper) check if

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Injecting Dependency in Mapper

Hi, 1. Simple test - new MyMapperImpl() + mappers custom method (inside MyMapper) check if

2/17/21

Erlend Garåsen

12/10/20

Skipping null values in @BeanMapping (nullValuePropertyMapping is missing)

The documentation is mentioning a nullValuePropertyMapping, but it does not exist for @BeanMapping.

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Skipping null values in @BeanMapping (nullValuePropertyMapping is missing)

The documentation is mentioning a nullValuePropertyMapping, but it does not exist for @BeanMapping.

12/10/20

11/7/20

using QualifiedName in place of Expression

Hi I have a ProductUtil class which contains getProductType(ProductRequest request) method.

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using QualifiedName in place of Expression

Hi I have a ProductUtil class which contains getProductType(ProductRequest request) method.

11/7/20

Baptiste Pernet

10/29/20

MapperConfig from another jar with multiple arguments

Hello, I wonder if someone else encountered the same issue when using @MapperConfig from another jar

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MapperConfig from another jar with multiple arguments

Hello, I wonder if someone else encountered the same issue when using @MapperConfig from another jar

10/29/20

10/26/20

How to make MapStruct in a custom dependency and use it for different projects?

Hi, I'm new to MapStruct and like it so much, it's amazing to handle dto mapping. Now i want

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How to make MapStruct in a custom dependency and use it for different projects?

Hi, I'm new to MapStruct and like it so much, it's amazing to handle dto mapping. Now i want

10/26/20

Nick Tinnemeier, Filip Hrisafov4

10/22/20

Default value for secondary (and subsequent) source parameters - bug or feature request?

Hey Nich, I think that it is a good idea to share your workarounds in the tickets. Maybe it will help

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Default value for secondary (and subsequent) source parameters - bug or feature request?

Hey Nich, I think that it is a good idea to share your workarounds in the tickets. Maybe it will help

10/22/20

sebastien rodrigues, … Filip Hrisafov3

10/19/20

Eclipse gradle springboot run issue

Hey, I think that you asked the same question in our Gitter Room as well. I will say here what I said

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Eclipse gradle springboot run issue

Hey, I think that you asked the same question in our Gitter Room as well. I will say here what I said

10/19/20

Stefan Hoffmeister

10/5/20

Annotating @Mapping with "not handled here"?

Hello everybody, I recently discovered MapStruct (1.3.1, now 1.4.0) and have applied this, over the

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Annotating @Mapping with "not handled here"?

Hello everybody, I recently discovered MapStruct (1.3.1, now 1.4.0) and have applied this, over the

10/5/20

10/4/20

MapStruct 1.4.0.Final is released

It is my pleasure to announce that the MapStruct 1.4.0.Final has been released. You can read more

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MapStruct 1.4.0.Final is released

It is my pleasure to announce that the MapStruct 1.4.0.Final has been released. You can read more

10/4/20

jacob...@gmail.com2

9/17/20

ObjectFactory not used in when using MappingTarget

So not sure if this is a bug or not. For my update mapping I hinted to ignore 1 attribute of entityB.

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ObjectFactory not used in when using MappingTarget

So not sure if this is a bug or not. For my update mapping I hinted to ignore 1 attribute of entityB.

9/17/20

Alexey Zverev, Filip Hrisafov2

8/30/20

Generation in 1.4.0

Hey Alex, Which version is this? Can you please try with 1.4.0.CR1? We did some fixes around this

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Generation in 1.4.0

Hey Alex, Which version is this? Can you please try with 1.4.0.CR1? We did some fixes around this

8/30/20

Alexey Zverev, Stanislav Spiridonov2

7/19/20

Immutable constructor

Hi, The latest release (1.3.1) supports immutable objects only with builders. Support for

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Immutable constructor

Hi, The latest release (1.3.1) supports immutable objects only with builders. Support for

7/19/20

shwetag...@gmail.com

7/17/20

Detecting modified nodes in a POJO

I am using mapstruct 1.3.1-FINAL and mapping 2 complex custom objects - Employee "source"

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Detecting modified nodes in a POJO

I am using mapstruct 1.3.1-FINAL and mapping 2 complex custom objects - Employee "source"

7/17/20

Veit Guna, … Tobse Fritz5

7/6/20

Mapping metadata information

We also had the problem to access the Mapping Annotations at runtime. We use MapStruct between a

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Mapping metadata information

We also had the problem to access the Mapping Annotations at runtime. We use MapStruct between a

7/6/20

6/15/20

Help and Advice for Mapping multiple source as lists

Hi All, I might be thinking about this all wrong but I don't seem to be able to find ANY example

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Help and Advice for Mapping multiple source as lists

Hi All, I might be thinking about this all wrong but I don't seem to be able to find ANY example

6/15/20

5/23/20

Re: [mapstruct-users] Can't generate mapping method from non-iterable type to iterable type. - Error

Hi Priya, as the error said, you can't map from a non-iterable to a List. Could you give a short

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Re: [mapstruct-users] Can't generate mapping method from non-iterable type to iterable type. - Error

Hi Priya, as the error said, you can't map from a non-iterable to a List. Could you give a short

5/23/20

Kurt Guenther, Christian3

2/13/20

Support for Value Objects

Hi Kurt, Instantiation via constructor arguments is not yet supported, but with version 1.3 builder-

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Support for Value Objects

Hi Kurt, Instantiation via constructor arguments is not yet supported, but with version 1.3 builder-

2/13/20

István Mészáros, Filipe Sousa2

2/13/20

MapStruct 1.4 Schedule

👍 On Tuesday, January 21, 2020 at 12:35:33 PM UTC, István Mészáros wrote: Hi all, is there a planned

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MapStruct 1.4 Schedule

👍 On Tuesday, January 21, 2020 at 12:35:33 PM UTC, István Mészáros wrote: Hi all, is there a planned

2/13/20

Durgadas Kamath

1/23/20

Conditional Mapping

Is it possible to map fields only if certain expression is met ? What are the approaches ? For eg

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Conditional Mapping

Is it possible to map fields only if certain expression is met ? What are the approaches ? For eg

1/23/20

Kurt Guenther, Gunnar Morling2

1/20/20

Deep Copy of Objects

Hi, It depends a bit on what exactly you mean by "deep copy", but MapStruct definitely

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Deep Copy of Objects

Hi, It depends a bit on what exactly you mean by "deep copy", but MapStruct definitely

1/20/20

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