Kotlin

Add Kotlin Spring compiler plugin to module build  

Adds the recommended kotlin-jpa compiler plugin for better support of JPA annotations in Kotlin.

Immutable collection-like property  

Reports usages of immutable collections in JPA entities.

Immutable not-nullable JPA property  

Reports usages of immutable properties in validated JPA entities.

JPA entity with val attributes  

Reports val properties used as JPA entity attributes.

Missing 'equals', 'hashCode' and 'toString' in data class entity  

Reports data classes used as JPA entities without overridden equals, hashCode and toString.

Redundant default constructor  

Reports usages of zero-argument constructor for JPA entities.