Sealed Class example for mapping enums for Relationship Types for Attendance

AttendanceRelationShip

sealed class AttendanceRelationship(val status: String) {
    class Present : AttendanceRelationship("Present")

    class Absent : AttendanceRelationship("Absent")

    class WeeklyOff : AttendanceRelationship("Weekly off")

    companion object {
        fun create(int: Int): AttendanceRelationship {
            return when (RelationshipType.valueOf(int)) {
                RelationshipType.PRESENT -> Present()
                RelationshipType.LATE -> Present()
                RelationshipType.POW -> Present()
                RelationshipType.LEAVEAPPROVED -> Absent()
                RelationshipType.LEAVEAPPLIED -> Absent()
                RelationshipType.ABSENT -> Absent()
                RelationshipType.LEAVECANCELLED -> Absent()
                RelationshipType.LEAVECANCELLED -> Absent()
                RelationshipType.WEEKLYOFF -> WeeklyOff()
            }
        }
    }
}

RelationshipType

enum class RelationshipType(val value: Int) {
    PRESENT(1),
    LATE(2),
    POW(3),
    LEAVEAPPROVED(4),
    WEEKLYOFF(5),
    ABSENT(6),
    LEAVEAPPLIED(7),
    LEAVECANCELLED(8),
    LEAVEREJECTED(9);

    companion object {
        fun valueOf(value: Int): RelationshipType {
            return values()
                    .firstOrNull { it.value == value }
                    ?: throw Resources.NotFoundException("Could not find Relationship Type with value: $value")
        }
    }
}

YourActivity

when (val relationship: AttendanceRelationship = AttendanceRelationship.create(/*INT val for RelationshipType enum */)) {
                is AttendanceRelationship.Present -> {
                    some_text_view.text = relationship.status
                }

                is AttendanceRelationship.Absent -> {
                    some_text_view.text = relationship.status
                }

                is AttendanceRelationship.WeeklyOff -> {
                    some_text_view.text = relationship.status
                }
            }