HHH-18377 Test cases to check monofonicity of generated version 6 & version 7 UUID's
This commit is contained in:
Čedomir Igaly
Steve Ebersole
parent
4e85302086
commit
d1cb9c3679
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/*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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* Copyright Red Hat Inc. and Hibernate Authors
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*/
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package org.hibernate.orm.test.id.uuid.rfc9562;
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import java.util.UUID;
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import org.hibernate.annotations.UuidGenerator;
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import org.hibernate.id.uuid.UuidVersion7Strategy;
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import jakarta.persistence.Basic;
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import jakarta.persistence.Entity;
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import jakarta.persistence.Id;
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import jakarta.persistence.Table;
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@Entity(name = "EntitySeven")
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@Table(name = "entity_seven")
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public class EntitySeven {
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@Id
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@UuidGenerator(algorithm = UuidVersion7Strategy.class)
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public UUID id;
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@Basic
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public String name;
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private EntitySeven() {
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// for Hibernate use
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}
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public EntitySeven(String name) {
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this.name = name;
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}
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public UUID getId() {
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return id;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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}
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/*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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* Copyright Red Hat Inc. and Hibernate Authors
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*/
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package org.hibernate.orm.test.id.uuid.rfc9562;
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import java.util.UUID;
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import org.hibernate.annotations.UuidGenerator;
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import org.hibernate.id.uuid.UuidVersion6Strategy;
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import jakarta.persistence.Basic;
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import jakarta.persistence.Entity;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.Id;
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import jakarta.persistence.Table;
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/**
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* @author Steve Ebersole
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*/
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@Table(name = "entity_six")
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@Entity
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public class EntitySix {
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@Id
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@GeneratedValue
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@UuidGenerator(algorithm = UuidVersion6Strategy.class)
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private UUID id;
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@Basic
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private String name;
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protected EntitySix() {
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// for Hibernate use
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}
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public EntitySix(String name) {
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this.name = name;
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}
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public UUID getId() {
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return id;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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}
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/*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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* Copyright Red Hat Inc. and Hibernate Authors
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*/
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package org.hibernate.orm.test.id.uuid.rfc9562;
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import java.util.UUID;
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import org.hibernate.annotations.UuidGenerator;
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import org.hibernate.id.uuid.UuidVersion7Strategy;
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import jakarta.persistence.Basic;
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import jakarta.persistence.Entity;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.Id;
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import jakarta.persistence.Table;
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@Entity(name = "OtherEntitySeven")
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@Table(name = "other_entity_seven")
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public class OtherEntitySeven {
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@Id
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@GeneratedValue
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public Long pk;
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@UuidGenerator(algorithm = UuidVersion7Strategy.class)
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public UUID id;
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@Basic
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public String name;
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private OtherEntitySeven() {
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// for Hibernate use
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}
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public OtherEntitySeven(String name) {
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this.name = name;
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}
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public UUID getId() {
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return id;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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}
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/*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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* Copyright Red Hat Inc. and Hibernate Authors
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*/
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package org.hibernate.orm.test.id.uuid.rfc9562;
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import java.util.UUID;
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import org.hibernate.engine.spi.SharedSessionContractImplementor;
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import org.hibernate.id.uuid.UuidValueGenerator;
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import org.hibernate.id.uuid.UuidVersion6Strategy;
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import org.hibernate.id.uuid.UuidVersion7Strategy;
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import org.junit.jupiter.api.Test;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.mockito.Mockito.mock;
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public class UUidV6V7GenetartorTest {
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private static final UUID NIL_UUID = new UUID( 0L, 0L );
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private static final int ITERATIONS = 1_000_000;
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@Test
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void testMonotonicityUuid6() {
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testMonotonicity( UuidVersion6Strategy.INSTANCE );
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}
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@Test
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void testMonotonicityUuid7() {
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testMonotonicity( UuidVersion7Strategy.INSTANCE );
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}
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private static void testMonotonicity(UuidValueGenerator generator) {
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final SharedSessionContractImplementor session = mock( SharedSessionContractImplementor.class );
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final UUID[] uuids = new UUID[ITERATIONS + 1];
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uuids[0] = NIL_UUID;
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for ( int n = 1; n <= ITERATIONS; ++n ) {
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uuids[n] = generator.generateUuid( session );
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}
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for ( var n = 0; n < ITERATIONS; ++n ) {
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assertThat( uuids[n + 1].toString() ).isGreaterThan( uuids[n].toString() );
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assertThat( uuids[n + 1] ).isGreaterThan( uuids[n] );
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}
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}
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}
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/*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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* Copyright Red Hat Inc. and Hibernate Authors
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*/
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package org.hibernate.orm.test.id.uuid.rfc9562;
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import java.time.Instant;
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import java.time.LocalDate;
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import java.time.ZoneId;
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import java.time.temporal.ChronoUnit;
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import java.util.UUID;
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import org.hibernate.dialect.SybaseDialect;
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import org.hibernate.generator.Generator;
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import org.hibernate.id.uuid.UuidGenerator;
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import org.hibernate.id.uuid.UuidVersion6Strategy;
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import org.hibernate.id.uuid.UuidVersion7Strategy;
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import org.hibernate.mapping.BasicValue;
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import org.hibernate.mapping.Property;
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import org.hibernate.testing.orm.junit.DomainModel;
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import org.hibernate.testing.orm.junit.DomainModelScope;
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import org.hibernate.testing.orm.junit.SessionFactory;
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import org.hibernate.testing.orm.junit.SessionFactoryScope;
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import org.hibernate.testing.orm.junit.SkipForDialect;
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import org.hibernate.testing.util.uuid.IdGeneratorCreationContext;
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import org.junit.jupiter.api.AfterEach;
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import org.junit.jupiter.api.Test;
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import static org.assertj.core.api.Assertions.assertThat;
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@SuppressWarnings("JUnitMalformedDeclaration")
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@DomainModel(annotatedClasses = {
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EntitySeven.class, OtherEntitySeven.class, EntitySix.class
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})
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@SessionFactory
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@SkipForDialect(dialectClass = SybaseDialect.class, matchSubTypes = true,
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reason = "Skipped for Sybase to avoid problems with UUIDs potentially ending with a trailing 0 byte")
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public class UuidGeneratorAnnotationTests {
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@Test
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public void verifyUuidV7IdGeneratorModel(final DomainModelScope scope) {
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scope.withHierarchy( EntitySeven.class, descriptor -> {
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final Property idProperty = descriptor.getIdentifierProperty();
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final BasicValue value = (BasicValue) idProperty.getValue();
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assertThat( value.getCustomIdGeneratorCreator() ).isNotNull();
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final Generator generator = value.getCustomIdGeneratorCreator()
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.createGenerator( new IdGeneratorCreationContext(
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scope.getDomainModel(),
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descriptor
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) );
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assertThat( generator ).isInstanceOf( UuidGenerator.class );
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final UuidGenerator uuidGenerator = (UuidGenerator) generator;
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assertThat( uuidGenerator.getValueGenerator() ).isInstanceOf( UuidVersion7Strategy.class );
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} );
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}
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@Test
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public void verifyUuidV6IdGeneratorModel(final DomainModelScope scope) {
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scope.withHierarchy( EntitySix.class, descriptor -> {
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final Property idProperty = descriptor.getIdentifierProperty();
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final BasicValue value = (BasicValue) idProperty.getValue();
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assertThat( value.getCustomIdGeneratorCreator() ).isNotNull();
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final Generator generator = value.getCustomIdGeneratorCreator()
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.createGenerator( new IdGeneratorCreationContext(
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scope.getDomainModel(),
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descriptor
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) );
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assertThat( generator ).isInstanceOf( UuidGenerator.class );
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final UuidGenerator uuidGenerator = (UuidGenerator) generator;
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assertThat( uuidGenerator.getValueGenerator() ).isInstanceOf( UuidVersion6Strategy.class );
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} );
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}
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@Test
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public void basicUseTest(final SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final EntitySeven seven = new EntitySeven( "John Doe" );
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session.persist( seven );
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session.flush();
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assertThat( seven.id ).isNotNull();
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assertThat( seven.id.version() ).isEqualTo( 7 );
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} );
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}
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@Test
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public void nonPkUseTest(final SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final Instant startTime = Instant.now();
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final OtherEntitySeven seven = new OtherEntitySeven( "Dave Default" );
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session.persist( seven );
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session.flush();
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final Instant endTime = Instant.now();
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assertThat( seven.id ).isNotNull();
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assertThat( seven.id.version() ).isEqualTo( 7 );
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assertThat( Instant.ofEpochMilli( seven.id.getMostSignificantBits() >> 16 & 0xFFFF_FFFF_FFFFL ) )
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.isBetween( startTime.truncatedTo( ChronoUnit.MILLIS ), endTime.truncatedTo( ChronoUnit.MILLIS ) );
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} );
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}
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@Test
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void testUuidV6IdGenerator(final SessionFactoryScope sessionFactoryScope) {
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sessionFactoryScope.inTransaction( session -> {
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final Instant startTime = Instant.now();
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final EntitySix six = new EntitySix( "Jane Doe" );
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session.persist( six );
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assertThat( six.getId() ).isNotNull();
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assertThat( six.getId().version() ).isEqualTo( 6 );
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session.flush();
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final Instant endTime = Instant.now();
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assertThat( six.getId() ).isNotNull();
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assertThat( six.getId().version() ).isEqualTo( 6 );
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assertThat( uuid6Instant( six.getId() ) ).isBetween( startTime, endTime );
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} );
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}
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@AfterEach
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void dropTestData(final SessionFactoryScope sessionFactoryScope) {
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sessionFactoryScope.inTransaction( session -> {
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session.createMutationQuery( "delete EntitySeven" ).executeUpdate();
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session.createMutationQuery( "delete OtherEntitySeven" ).executeUpdate();
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session.createMutationQuery( "delete EntitySix" ).executeUpdate();
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} );
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}
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public static Instant uuid6Instant(final UUID uuid) {
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assert uuid.version() == 6;
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final var msb = uuid.getMostSignificantBits();
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final var ts = msb >> 4 & 0x0FFF_FFFF_FFFF_F000L | msb & 0x0FFFL;
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return LocalDate.of( 1582, 10, 15 ).atStartOfDay( ZoneId.of( "UTC" ) ).toInstant()
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.plusSeconds( ts / 10_000_000 ).plusNanos( ts % 10_000_000 * 100 );
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}
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}
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