95 lines
2.1 KiB
Kotlin
95 lines
2.1 KiB
Kotlin
package nl.astraeus.persistence
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import nl.astraeus.nl.astraeus.persistence.Persistable
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import nl.astraeus.nl.astraeus.persistence.Persistent
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import nl.astraeus.nl.astraeus.persistence.TransactionLog
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import nl.astraeus.nl.astraeus.persistence.reference.reference
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import nl.astraeus.nl.astraeus.persistence.reference.referenceCollection
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import org.junit.jupiter.api.assertThrows
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import java.io.File
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import kotlin.test.Test
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class TestReferences {
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class Company(
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override var id: Long = 0,
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override var version: Long = 0,
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val name: String
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) : Persistable, Cloneable {
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val persons: MutableCollection<Person> = referenceCollection()
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companion object {
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private const val serialVersionUID: Long = 1L
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}
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override fun toString(): String {
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return "Company(id=$id, version=$version, name='$name', persons=${persons.size})"
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}
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}
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class Person(
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override var id: Long = 0,
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override var version: Long = 0,
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val name: String,
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val age: Int,
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company: Company
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) : Persistable, Cloneable {
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var company: Company by reference(company)
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companion object {
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private const val serialVersionUID: Long = 1L
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}
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override fun toString(): String {
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return "Person(id=$id, version=$version, name='$name', age=$age)"
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}
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}
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@Test
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fun showTransactions() {
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val log = TransactionLog(File("data", "test-references"))
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log.showTransactions()
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}
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@Test
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fun testSerializeDeSerializeReferenceList() {
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val pst = Persistent(
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directory = File("data", "test-references"),
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)
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pst.transaction {
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val company = Company(
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id = 1L,
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name = "ACME"
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)
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val person = Person(
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id = 0L,
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name = "John Doe",
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age = 25,
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company = company
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)
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store(person)
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company.persons.add(person)
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store(company)
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for (p in company.persons) {
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println("Person: $p")
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}
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delete(company)
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// company is gone, can't get it through person anymore
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assertThrows<IllegalStateException> {
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println("Company in person: ${person.company}")
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}
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delete(person)
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}
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}
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}
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