Add Immutable Entities

src/main/kotlin/fr/postgresjson/entity/immutable/ImmutableEntity.kt

@@ -0,0 +1,88 @@
+package fr.postgresjson.entity.immutable
+
+import fr.postgresjson.entity.EntityI
+import fr.postgresjson.entity.mutable.EntityDeletedAt
+import fr.postgresjson.entity.mutable.EntityDeletedAtImp
+import fr.postgresjson.entity.mutable.EntityDeletedBy
+import fr.postgresjson.entity.mutable.EntityDeletedByImp
+import org.joda.time.DateTime
+import java.util.*
+
+interface EntityRefI<T> : EntityI {
+    val id: T
+}
+
+interface UuidEntityI : EntityRefI<UUID> {
+    override val id: UUID
+}
+
+abstract class Entity<T>(override val id: T) : EntityRefI<T>
+open class UuidEntity(override val id: UUID = UUID.randomUUID()) : UuidEntityI, Entity<UUID>(id)
+
+/* Version */
+interface EntityVersioning<ID, NUMBER> {
+    val versionId: ID
+    val versionNumber: NUMBER
+}
+
+class UuidEntityVersioning(
+    override val versionNumber: Int,
+    override val versionId: UUID = UUID.randomUUID()
+) : EntityVersioning<UUID, Int>
+
+/* Dates */
+interface EntityCreatedAt {
+    val createdAt: DateTime
+}
+interface EntityUpdatedAt {
+    var updatedAt: DateTime
+}
+
+class EntityCreatedAtImp(
+    override val createdAt: DateTime = DateTime.now()
+) : EntityCreatedAt
+
+class EntityUpdatedAtImp(
+    override var updatedAt: DateTime = DateTime.now()
+) : EntityUpdatedAt
+
+/* Author */
+interface EntityCreatedBy<T : EntityI> {
+    val createdBy: T
+}
+interface EntityUpdatedBy<T : EntityI> {
+    var updatedBy: T
+}
+
+class EntityCreatedByImp<UserT : EntityI>(
+    override val createdBy: UserT
+) : EntityCreatedBy<UserT>
+
+class EntityUpdatedByImp<UserT : EntityI>(
+    override var updatedBy: UserT
+) : EntityUpdatedBy<UserT>
+
+/* Mixed */
+class EntityCreatedImp<UserT : EntityI>(
+    override val createdAt: DateTime = DateTime.now(),
+    createdBy: UserT
+) : EntityCreatedBy<UserT> by EntityCreatedByImp(createdBy),
+    EntityCreatedAt by EntityCreatedAtImp()
+
+class EntityUpdatedImp<UserT : EntityI>(
+    updatedAt: DateTime = DateTime.now(),
+    override var updatedBy: UserT
+) : EntityUpdatedBy<UserT>,
+    EntityUpdatedAt by EntityUpdatedAtImp(updatedAt)
+
+/* Implementation */
+abstract class EntityImp<T, UserT : EntityI>(
+    updatedBy: UserT,
+    updatedAt: DateTime = DateTime.now()
+) : UuidEntity(),
+    EntityCreatedAt by EntityCreatedAtImp(updatedAt),
+    EntityUpdatedAt by EntityUpdatedAtImp(updatedAt),
+    EntityDeletedAt by EntityDeletedAtImp(),
+    EntityCreatedBy<UserT> by EntityCreatedByImp(updatedBy),
+    EntityUpdatedBy<UserT> by EntityUpdatedByImp(updatedBy),
+    EntityDeletedBy<UserT> by EntityDeletedByImp(updatedBy)