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- java - Mapping is returning null values - Stack Overflow
I want to implement DTO mapping after SQL query execution with JOIN: Query: String hql = "SELECT bus FROM " + Businesses class getName() + " bus " + " INNER JOIN " + Companies class getName() + " comp " + " ON comp id = bus company_id " + " WHERE bus business_owner_id = :id " + " AND bus business_owner_type = 'Merchant' "
- Mapper. Map always returns null when source object is null #3267 - GitHub
Version: x y z Version: 9 0 0 Expected behavior I expected the custom converter's Convert method to get fired when I call mapper Map and the destination object to not be null Actual behavior Type Converter's Convert never gets called, and the destination object (returned from mapper Map) is always null
- java - Mapstruct: Returning null when trying to map a field inside an . . .
We were given an assignment to recreate a simple version of the Twitter API in Spring using Mapstruct We are returning a List<UserDto> that should return the field username from the embedded object Credentials We mapped this as follows: User dtoToEntity(CreateUserDto createUserDto); @Mapping(target = "username", source = "credentials username")
- How to prevent map function from returning null
You can use filter to remove null values or use reduce instead of map, inserting elements into the accumulator when needed As map returns results for every element in the calling array, you can filter null: filter(i => i); OR: Even better with reduce() in a single iteration if (cur alpha2) { var o = { label: cur name, value: cur alpha2 };
- java - The mapper function returned a null value - Stack Overflow
Retrofit2 calls sometimes result in a null body which is then unconditionally forwarded to RxJava You have to use the full Response<T> instead of a direct retrieval The problem comes from RxJava 2, which won't allow null values to be passed down the stream
- Java Mapstruct Returning Null Pointer upon call - Stack Overflow
I have a simple mapper returning null pointer when I instantiate the entity and use mapstruct mapper on a DTO to Entity method My entity is a lot longer and in another language, so I'll just write a similar entity as example I am using java 8 and Spring boot 2 5 2 This is my Entity: @Id @GeneratedValue(strategy = GenerationType IDENTITY)
- Mapstruct Mapping : Return null object if all source parameters . . .
What I actually want the generated method to do is return a null Tag object if (tagRecord getTagId () == null tagRecord getTagLabel () == null) Is it possible and how can I achieve this? This currently is not supported from MapStruct directly
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