mapstruct / mapstruct/mapstruct
@BeanMapping doesn't support meta-annotations
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- Java
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Description
- Is this an issue (and hence not a question)?
The @BeanMapping annotation doesn't support the ElementType#ANNOTATION_TYPE @Target, unlike @Mapping, which prevents it from being used in meta-annotations (for mapping composition), eg. to ignore unmapped source properties.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Locate the @BeanMapping declaration and compare its @Target with @Mapping, focusing on ElementType#ANNOTATION_TYPE. Verify that @BeanMapping can be used in meta-annotations for mapping composition, including ignoring unmapped source properties.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 55/100