fun setOneToOne()

in dnq-transient-store/src/main/kotlin/com/jetbrains/teamsys/dnq/database/TransientSessionImpl.kt [1113:1137]

• 25 lines of code
• 6 McCabe index (conditional complexity)

    fun setOneToOne(
        e1: TransientEntityImpl,
        e1Toe2LinkName: String,
        e2Toe1LinkName: String,
        e2: TransientEntity?
    ) {
        addChangeAndRun {
            val prevE2 = e1.getLink(e1Toe2LinkName) as TransientEntity?
            if (prevE2 == null || prevE2 != e1) {
                if (prevE2 != null) {
                    deleteLinkInternal(prevE2, e2Toe1LinkName, e1)
                    deleteLinkInternal(e1, e1Toe2LinkName, prevE2)
                }
                if (e2 != null) {
                    val prevE1 = e2.getLink(e2Toe1LinkName) as TransientEntity?
                    if (prevE1 != null) {
                        deleteLinkInternal(prevE1, e1Toe2LinkName, e2)
                    }
                    setLinkInternal(e1, e1Toe2LinkName, e2)
                    setLinkInternal(e2, e2Toe1LinkName, e1)
                }
            }
            true
        }
    }