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HHH-15393 - Improve write-paths to use mapping model

This commit is contained in:
Steve Ebersole 2022-12-01 21:40:04 -06:00
parent ee1788c3c3
commit 6035ab8e66
2 changed files with 49 additions and 27 deletions
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67
hibernate-core/src/main/java/org/hibernate/persister/entity/mutation/UpdateCoordinatorStandard.java
View File

@ -127,31 +127,8 @@ public class UpdateCoordinatorStandard extends AbstractMutationCoordinator imple
SharedSessionContractImplementor session) {
final EntityVersionMapping versionMapping = entityPersister().getVersionMapping();
if ( versionMapping != null ) {
// see if this is a simple version update
boolean isSimpleVersionUpdate = false;
Object newVersion = null;
if ( incomingDirtyAttributeIndexes != null ) {
if ( incomingDirtyAttributeIndexes.length == 1
&& versionMapping.getVersionAttribute() == entityPersister().getAttributeMapping( incomingDirtyAttributeIndexes[0] ) ) {
// special case of only the version attribute itself as dirty
isSimpleVersionUpdate = true;
newVersion = values[incomingDirtyAttributeIndexes[0]];
}
else if ( incomingDirtyAttributeIndexes.length == 0 && oldVersion != null ) {
isSimpleVersionUpdate = !versionMapping.areEqual(
values[ versionMapping.getVersionAttribute().getStateArrayPosition() ],
oldVersion,
session
);
newVersion = values[versionMapping.getVersionAttribute().getStateArrayPosition()];
}
}
if ( isSimpleVersionUpdate ) {
// we have just the version being updated - use the special handling
assert newVersion != null;
doVersionUpdate( entity, id, newVersion, oldVersion, session );
final boolean isForcedVersionIncrement = handlePotentialImplicitForcedVersionIncrement( entity, id, values, oldVersion, incomingDirtyAttributeIndexes, session, versionMapping );
if ( isForcedVersionIncrement ) {
return;
}
}
@ -315,6 +292,46 @@ public class UpdateCoordinatorStandard extends AbstractMutationCoordinator imple
}
}
private boolean handlePotentialImplicitForcedVersionIncrement(
Object entity,
Object id,
Object[] values,
Object oldVersion,
int[] incomingDirtyAttributeIndexes,
SharedSessionContractImplementor session,
EntityVersionMapping versionMapping) {
// handle case where the only value being updated is the version.
// we handle this case specially from `#coordinateUpdate` to leverage
// `#doVersionUpdate`
boolean isSimpleVersionUpdate = false;
Object newVersion = null;
if ( incomingDirtyAttributeIndexes != null ) {
if ( incomingDirtyAttributeIndexes.length == 1
&& versionMapping.getVersionAttribute() == entityPersister().getAttributeMapping( incomingDirtyAttributeIndexes[0] ) ) {
// special case of only the version attribute itself as dirty
isSimpleVersionUpdate = true;
newVersion = values[ incomingDirtyAttributeIndexes[0]];
}
else if ( incomingDirtyAttributeIndexes.length == 0 && oldVersion != null ) {
isSimpleVersionUpdate = !versionMapping.areEqual(
values[ versionMapping.getVersionAttribute().getStateArrayPosition() ],
oldVersion,
session
);
newVersion = values[ versionMapping.getVersionAttribute().getStateArrayPosition()];
}
}
if ( isSimpleVersionUpdate ) {
// we have just the version being updated - use the special handling
assert newVersion != null;
doVersionUpdate( entity, id, newVersion, oldVersion, session );
return true;
}
return false;
}
private boolean isValueGenerationInSql(Generator generator) {
return generator != null
&& generator.getGenerationTiming().includesUpdate()

9
hibernate-core/src/main/java/org/hibernate/tuple/entity/EntityMetamodel.java
View File

@ -39,15 +39,16 @@ import org.hibernate.mapping.GeneratorCreator;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.Property;
import org.hibernate.mapping.Subclass;
import org.hibernate.metamodel.mapping.EntityMappingType;
import org.hibernate.metamodel.spi.RuntimeModelCreationContext;
import org.hibernate.persister.entity.EntityPersister;
import org.hibernate.persister.spi.PersisterCreationContext;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.tuple.GenerationTiming;
import org.hibernate.tuple.Generator;
import org.hibernate.tuple.GeneratorCreationContext;
import org.hibernate.tuple.InDatabaseGenerator;
import org.hibernate.tuple.GenerationTiming;
import org.hibernate.tuple.IdentifierProperty;
import org.hibernate.tuple.InDatabaseGenerator;
import org.hibernate.tuple.InMemoryGenerator;
import org.hibernate.tuple.NonIdentifierAttribute;
import org.hibernate.tuple.PropertyFactory;
@ -65,7 +66,11 @@ import static org.hibernate.internal.CoreLogging.messageLogger;
* Centralizes metamodel information about an entity.
*
* @author Steve Ebersole
*
* @deprecated Replaced by {@link EntityMappingType}. EntityMetamodel
* was a first attempt at what has become {@link EntityMappingType}
*/
@Deprecated( since = "6", forRemoval = true )
public class EntityMetamodel implements Serializable {
private static final CoreMessageLogger LOG = messageLogger( EntityMetamodel.class );