Add Immutable Entities

src/main/kotlin/fr/postgresjson/entity/mutable/MutableEntity.kt

@@ -0,0 +1,135 @@
+package fr.postgresjson.entity.mutable
+
+import fr.postgresjson.entity.EntityI
+import org.joda.time.DateTime
+import java.util.*
+
+interface EntityRefI<T> : EntityI {
+    var id: T?
+}
+
+interface UuidEntityI : EntityRefI<UUID> {
+    override var id: UUID?
+}
+
+interface IdEntityI : EntityRefI<Int> {
+    override var id: Int?
+}
+
+abstract class Entity<T>(override var id: T? = null) : EntityRefI<T>
+open class UuidEntity(override var id: UUID? = UUID.randomUUID()) : UuidEntityI, Entity<UUID>(id)
+open class IdEntity(override var id: Int? = null) : IdEntityI, Entity<Int>(id)
+
+/* Version */
+interface EntityVersioning<ID, NUMBER> {
+    var versionId: ID
+    var versionNumber: NUMBER?
+}
+
+class UuidEntityVersioning : EntityVersioning<UUID, Int> {
+    override var versionId: UUID = UUID.randomUUID()
+    override var versionNumber: Int? = null
+}
+
+/* Dates */
+interface EntityCreatedAt {
+    var createdAt: DateTime?
+}
+
+interface EntityUpdatedAt {
+    var updatedAt: DateTime?
+}
+
+interface EntityDeletedAt {
+    var deletedAt: DateTime?
+    fun isDeleted(): Boolean {
+        val deletedAt = deletedAt
+        return deletedAt != null && deletedAt < DateTime.now()
+    }
+}
+
+class EntityCreatedAtImp : EntityCreatedAt {
+    override var createdAt: DateTime? = null
+}
+
+class EntityUpdatedAtImp : EntityUpdatedAt {
+    override var updatedAt: DateTime? = null
+}
+
+class EntityDeletedAtImp : EntityDeletedAt {
+    override var deletedAt: DateTime? = null
+}
+
+/* Author */
+interface EntityCreatedBy<T : EntityI> {
+    var createdBy: T?
+}
+
+interface EntityUpdatedBy<T : EntityI> {
+    var updatedBy: T?
+}
+
+interface EntityDeletedBy<T : EntityI> {
+    var deletedBy: T?
+}
+
+class EntityCreatedByImp<UserT : EntityI>(
+    override var createdBy: UserT?
+) : EntityCreatedBy<UserT>
+
+class EntityUpdatedByImp<UserT : EntityI>(
+    override var updatedBy: UserT?
+) : EntityUpdatedBy<UserT>
+
+class EntityDeletedByImp<UserT : EntityI>(
+    override var deletedBy: UserT?
+) : EntityDeletedBy<UserT>
+
+/* Mixed */
+class EntityDeletedImp<UserT : EntityI>(
+    override var deletedBy: UserT? = null
+) : EntityDeletedBy<UserT>,
+    EntityDeletedAt by EntityDeletedAtImp()
+
+class EntityUpdatedImp<UserT : EntityI>(
+    override var updatedAt: DateTime? = null,
+    override var updatedBy: UserT? = null
+) : EntityUpdatedBy<UserT>,
+    EntityUpdatedAt by EntityUpdatedAtImp()
+
+class EntityCreatedImp<UserT : EntityI>(
+    override var createdAt: DateTime? = null,
+    override var createdBy: UserT? = null
+) : EntityCreatedBy<UserT>,
+    EntityCreatedAt by EntityCreatedAtImp()
+
+/* Published */
+interface Published<UserT : EntityI> {
+    var publishedAt: DateTime?
+    var publishedBy: UserT?
+}
+
+class EntityPublishedImp<UserT : EntityI>(
+    override var publishedBy: UserT?
+) : Published<UserT> {
+    override var publishedAt: DateTime? = null
+}
+
+/* Implementation */
+abstract class EntityImp<T, UserT : EntityI>(
+    updatedBy: UserT?
+) : Entity<T>(),
+    EntityCreatedAt by EntityCreatedAtImp(),
+    EntityUpdatedAt by EntityUpdatedAtImp(),
+    EntityDeletedAt by EntityDeletedAtImp(),
+    EntityCreatedBy<UserT> by EntityCreatedByImp(updatedBy),
+    EntityUpdatedBy<UserT> by EntityUpdatedByImp(updatedBy),
+    EntityDeletedBy<UserT> by EntityDeletedByImp(updatedBy)
+
+abstract class UuidEntityExtended<T, UserT : EntityI>(
+    updatedBy: UserT?,
+    publishedBy: UserT?
+) :
+    EntityImp<T, UserT>(updatedBy),
+    EntityVersioning<UUID, Int> by UuidEntityVersioning(),
+    Published<UserT> by EntityPublishedImp(publishedBy)