Entity picker - Error with action "entity_openComposition"

Support
#1

Hi,
I am trying to use component “Entity picker” with action “entity_openComposition”.
My entity(Goal) has association with another entity(Result), where is One to One cardinality and “Goal” is owning side.

I am using in Edit screen Entity picker with action entity_openComposition. But when I press button on screen, when Result entity is empty, instead of creating new and show editor of that entity, I got error:

IllegalStateException: Editor of class {rootName}.motivation.mpr.entity.MprResult cannot be open with mode EDIT, entity is not set

In XML, Entity picker have “Property” attribute and action just “ID” and “Type”.

Thank you

#2

Hi Pavel,
Could you provide a test project?

#3

Hi,
sorry for delay, I am sending test project, where you can see an OpenComposition Error. Try create a “Position” and use action “openComposition” to create and associate “Phone” to position.

JMIX - openCompositionTestProject.zip (331.3 KB)

Thank you

#4

Hi Pavel,

I opened your project and saw that the relationship is not marked as composition:

@JoinColumn(name = "PHONE_ID")
@OneToOne(fetch = FetchType.LAZY)
private Phone phone;

Select “COMPOSITION” in “Attribute type” field, so the definition will be like this:

@Composition
@JoinColumn(name = "PHONE_ID")
@OneToOne(fetch = FetchType.LAZY)
private Phone phone;

Please re-test your situation and let me know if it still doesn’t work for you.

#5

Ahh ok, sorry :slight_smile: I am always using Association, so i forgot there is more possible relations settings :). Thank you, now its working perfectly.

Just can you assure me, there is no big difference in Association One to Many and Composition One to Many, am I right? Or is there any really big difference, which couble cause some problems, when I change it for some attributes?

Pavel

#6

Actually @Composition affects only the UI and generic REST behavior, so it shouldn’t cause any problems on the database or business logic level.