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feat: EXPOSED-310 Add support for ULongIdTable and ULongEntity (#2025)
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exposed-dao/src/main/kotlin/org/jetbrains/exposed/dao/ULongEntity.kt
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| package org.jetbrains.exposed.dao | ||
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| import org.jetbrains.exposed.dao.id.EntityID | ||
| import org.jetbrains.exposed.dao.id.IdTable | ||
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| /** Base class for an [Entity] instance identified by an [id] comprised of a wrapped `ULong` value. */ | ||
| abstract class ULongEntity(id: EntityID<ULong>) : Entity<ULong>(id) | ||
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| /** | ||
| * Base class representing the [EntityClass] that manages [ULongEntity] instances and | ||
| * maintains their relation to the provided [table]. | ||
| * | ||
| * @param [table] The [IdTable] object that stores rows mapped to entities of this class. | ||
| * @param [entityType] The expected [ULongEntity] type. This can be left `null` if it is the class of type | ||
| * argument [E] provided to this [ULongEntityClass] instance. If this `ULongEntityClass` is defined as a companion | ||
| * object of a custom `ULongEntity` class, the parameter will be set to this immediately enclosing class by default. | ||
| * @sample org.jetbrains.exposed.sql.tests.shared.DDLTests.testDropTableFlushesCache | ||
| * @param [entityCtor] The function invoked to instantiate a [ULongEntity] using a provided [EntityID] value. | ||
| * If a reference to a specific constructor or a custom function is not passed as an argument, reflection will | ||
| * be used to determine the primary constructor of the associated entity class on first access. If this `ULongEntityClass` | ||
| * is defined as a companion object of a custom `ULongEntity` class, the constructor will be set to that of the | ||
| * immediately enclosing class by default. | ||
| * @sample org.jetbrains.exposed.sql.tests.shared.entities.EntityTests.testExplicitEntityConstructor | ||
| */ | ||
| abstract class ULongEntityClass<out E : ULongEntity>( | ||
| table: IdTable<ULong>, | ||
| entityType: Class<E>? = null, | ||
| entityCtor: ((EntityID<ULong>) -> E)? = null | ||
| ) : EntityClass<ULong, E>(table, entityType, entityCtor) |
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...src/test/kotlin/org/jetbrains/exposed/sql/tests/shared/entities/ULongIdTableEntityTest.kt
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| package org.jetbrains.exposed.sql.tests.shared.entities | ||
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| import org.jetbrains.exposed.dao.ULongEntity | ||
| import org.jetbrains.exposed.dao.ULongEntityClass | ||
| import org.jetbrains.exposed.dao.id.EntityID | ||
| import org.jetbrains.exposed.dao.id.ULongIdTable | ||
| import org.jetbrains.exposed.sql.exists | ||
| import org.jetbrains.exposed.sql.tests.DatabaseTestsBase | ||
| import org.jetbrains.exposed.sql.tests.shared.assertEquals | ||
| import org.junit.Test | ||
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| class ULongIdTableEntityTest : DatabaseTestsBase() { | ||
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| @Test | ||
| fun `create tables`() { | ||
| withTables(ULongIdTables.Cities, ULongIdTables.People) { | ||
| assertEquals(true, ULongIdTables.Cities.exists()) | ||
| assertEquals(true, ULongIdTables.People.exists()) | ||
| } | ||
| } | ||
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| @Test | ||
| fun `create records`() { | ||
| withTables(ULongIdTables.Cities, ULongIdTables.People) { | ||
| val mumbai = ULongIdTables.City.new { name = "Mumbai" } | ||
| val pune = ULongIdTables.City.new { name = "Pune" } | ||
| ULongIdTables.Person.new { | ||
| name = "David D'souza" | ||
| city = mumbai | ||
| } | ||
| ULongIdTables.Person.new { | ||
| name = "Tushar Mumbaikar" | ||
| city = mumbai | ||
| } | ||
| ULongIdTables.Person.new { | ||
| name = "Tanu Arora" | ||
| city = pune | ||
| } | ||
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| val allCities = ULongIdTables.City.all().map { it.name } | ||
| assertEquals(true, allCities.contains<String>("Mumbai")) | ||
| assertEquals(true, allCities.contains<String>("Pune")) | ||
| assertEquals(false, allCities.contains<String>("Chennai")) | ||
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| val allPeople = ULongIdTables.Person.all().map { Pair(it.name, it.city.name) } | ||
| assertEquals(true, allPeople.contains(Pair("David D'souza", "Mumbai"))) | ||
| assertEquals(false, allPeople.contains(Pair("David D'souza", "Pune"))) | ||
| } | ||
| } | ||
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| @Test | ||
| fun `update and delete records`() { | ||
| withTables(ULongIdTables.Cities, ULongIdTables.People) { | ||
| val mumbai = ULongIdTables.City.new { name = "Mumbai" } | ||
| val pune = ULongIdTables.City.new { name = "Pune" } | ||
| ULongIdTables.Person.new { | ||
| name = "David D'souza" | ||
| city = mumbai | ||
| } | ||
| ULongIdTables.Person.new { | ||
| name = "Tushar Mumbaikar" | ||
| city = mumbai | ||
| } | ||
| val tanu = ULongIdTables.Person.new { | ||
| name = "Tanu Arora" | ||
| city = pune | ||
| } | ||
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| tanu.delete() | ||
| pune.delete() | ||
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| val allCities = ULongIdTables.City.all().map { it.name } | ||
| assertEquals(true, allCities.contains<String>("Mumbai")) | ||
| assertEquals(false, allCities.contains<String>("Pune")) | ||
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| val allPeople = ULongIdTables.Person.all().map { Pair(it.name, it.city.name) } | ||
| assertEquals(true, allPeople.contains(Pair("David D'souza", "Mumbai"))) | ||
| assertEquals(false, allPeople.contains(Pair("Tanu Arora", "Pune"))) | ||
| } | ||
| } | ||
| } | ||
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| object ULongIdTables { | ||
| object Cities : ULongIdTable() { | ||
| val name = varchar("name", 50) | ||
| } | ||
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| class City(id: EntityID<ULong>) : ULongEntity(id) { | ||
| companion object : ULongEntityClass<City>(Cities) | ||
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| var name by Cities.name | ||
| } | ||
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| object People : ULongIdTable() { | ||
| val name = varchar("name", 80) | ||
| val cityId = reference("city_id", Cities) | ||
| } | ||
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| class Person(id: EntityID<ULong>) : ULongEntity(id) { | ||
| companion object : ULongEntityClass<Person>(People) | ||
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| var name by People.name | ||
| var city by City referencedOn People.cityId | ||
| } | ||
| } |