HHH-17739 fix NPE for field with unsupported collection type

cleanups and warning fixes in TypeConfiguration and BasicValue
This commit is contained in:
Gavin King 2024-09-08 16:49:56 +02:00 committed by Marco Belladelli
parent df8981f53f
commit 1e5eaaf50d
3 changed files with 228 additions and 211 deletions

View File

@ -40,7 +40,6 @@ import org.hibernate.dialect.Dialect;
import org.hibernate.engine.jdbc.Size;
import org.hibernate.internal.CoreLogging;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.internal.util.ReflectHelper;
import org.hibernate.internal.util.StringHelper;
import org.hibernate.internal.util.collections.CollectionHelper;
import org.hibernate.metamodel.mapping.JdbcMapping;
@ -82,6 +81,7 @@ import jakarta.persistence.EnumType;
import jakarta.persistence.TemporalType;
import static java.lang.Boolean.parseBoolean;
import static org.hibernate.internal.util.ReflectHelper.reflectedPropertyType;
import static org.hibernate.internal.util.collections.CollectionHelper.isNotEmpty;
import static org.hibernate.mapping.MappingHelper.injectParameters;
@ -103,6 +103,7 @@ public class BasicValue extends SimpleValue implements JdbcTypeIndicators, Resol
private Function<TypeConfiguration, java.lang.reflect.Type> implicitJavaTypeAccess;
private EnumType enumerationStyle;
@SuppressWarnings("deprecation")
private TemporalType temporalPrecision;
private TimeZoneStorageType timeZoneStorageType;
private boolean isSoftDelete;
@ -234,8 +235,7 @@ public class BasicValue extends SimpleValue implements JdbcTypeIndicators, Resol
public long getColumnLength() {
final Selectable selectable = getColumn();
if ( selectable instanceof Column ) {
final Column column = (Column) selectable;
final Long length = column.getLength();
final Long length = ( (Column) selectable ).getLength();
return length == null ? NO_COLUMN_LENGTH : length;
}
else {
@ -248,8 +248,9 @@ public class BasicValue extends SimpleValue implements JdbcTypeIndicators, Resol
final Selectable selectable = getColumn();
if ( selectable instanceof Column ) {
final Column column = (Column) selectable;
if ( column.getTemporalPrecision() != null ) {
return column.getTemporalPrecision();
final Integer temporalPrecision = column.getTemporalPrecision();
if ( temporalPrecision != null ) {
return temporalPrecision;
}
final Integer precision = column.getPrecision();
return precision == null ? NO_COLUMN_PRECISION : precision;
@ -263,8 +264,7 @@ public class BasicValue extends SimpleValue implements JdbcTypeIndicators, Resol
public int getColumnScale() {
final Selectable selectable = getColumn();
if ( selectable instanceof Column ) {
final Column column = (Column) selectable;
final Integer scale = column.getScale();
final Integer scale = ( (Column) selectable ).getScale();
return scale == null ? NO_COLUMN_SCALE : scale;
}
else {
@ -284,8 +284,9 @@ public class BasicValue extends SimpleValue implements JdbcTypeIndicators, Resol
super.copyTypeFrom( sourceValue );
if ( sourceValue instanceof BasicValue ) {
final BasicValue basicValue = (BasicValue) sourceValue;
this.resolution = basicValue.resolution;
this.implicitJavaTypeAccess = (typeConfiguration) -> basicValue.implicitJavaTypeAccess.apply( typeConfiguration );
resolution = basicValue.resolution;
implicitJavaTypeAccess =
typeConfiguration -> basicValue.implicitJavaTypeAccess.apply( typeConfiguration );
}
}
@ -447,33 +448,55 @@ public class BasicValue extends SimpleValue implements JdbcTypeIndicators, Resol
getBuildingContext()
);
}
if ( isVersion() ) {
else if ( isVersion() ) {
return VersionResolution.from( implicitJavaTypeAccess, timeZoneStorageType, getBuildingContext() );
}
else {
// determine JavaType if we can
final BasicJavaType<?> explicitJavaType = explicitJavaTypeAccess == null
? null
final BasicJavaType<?> explicitJavaType = getExplicitJavaType();
final JavaType<?> javaType = determineJavaType( explicitJavaType );
final ConverterDescriptor converterDescriptor = getConverterDescriptor( javaType );
return converterDescriptor != null
? converterResolution( javaType, converterDescriptor )
: resolution( explicitJavaType, javaType );
}
}
private BasicJavaType<?> getExplicitJavaType() {
return explicitJavaTypeAccess == null ? null
: explicitJavaTypeAccess.apply( getTypeConfiguration() );
}
JavaType<?> javaType = determineJavaType( explicitJavaType );
ConverterDescriptor attributeConverterDescriptor = getAttributeConverterDescriptor();
private ConverterDescriptor getConverterDescriptor(JavaType<?> javaType) {
final ConverterDescriptor converterDescriptor = getAttributeConverterDescriptor();
if ( isSoftDelete() ) {
assert attributeConverterDescriptor != null;
final boolean conversionWasUnspecified = SoftDelete.UnspecifiedConversion.class.equals( attributeConverterDescriptor.getAttributeConverterClass() );
assert converterDescriptor != null;
final ConverterDescriptor softDeleteConverterDescriptor =
getSoftDeleteConverterDescriptor( converterDescriptor, javaType);
return getSoftDeleteStrategy() == SoftDeleteType.ACTIVE
? new ReversedConverterDescriptor<>( softDeleteConverterDescriptor )
: softDeleteConverterDescriptor;
}
else {
return converterDescriptor;
}
}
private ConverterDescriptor getSoftDeleteConverterDescriptor(
ConverterDescriptor attributeConverterDescriptor, JavaType<?> javaType) {
final boolean conversionWasUnspecified =
SoftDelete.UnspecifiedConversion.class.equals( attributeConverterDescriptor.getAttributeConverterClass() );
if ( conversionWasUnspecified ) {
final JdbcType jdbcType = BooleanJdbcType.INSTANCE.resolveIndicatedType( this, javaType );
final JdbcType jdbcType = BooleanJdbcType.INSTANCE.resolveIndicatedType( this, javaType);
if ( jdbcType.isNumber() ) {
attributeConverterDescriptor = new InstanceBasedConverterDescriptor(
return new InstanceBasedConverterDescriptor(
NumericBooleanConverter.INSTANCE,
getBuildingContext().getBootstrapContext().getClassmateContext()
);
}
else if ( jdbcType.isString() ) {
// here we pick 'T' / 'F' storage, though 'Y' / 'N' is equally valid - its 50/50
attributeConverterDescriptor = new InstanceBasedConverterDescriptor(
return new InstanceBasedConverterDescriptor(
TrueFalseConverter.INSTANCE,
getBuildingContext().getBootstrapContext().getClassmateContext()
);
@ -481,23 +504,17 @@ public class BasicValue extends SimpleValue implements JdbcTypeIndicators, Resol
else {
// should indicate BIT or BOOLEAN == no conversion needed
// - we still create the converter to properly set up JDBC type, etc
attributeConverterDescriptor = new InstanceBasedConverterDescriptor(
return new InstanceBasedConverterDescriptor(
PassThruSoftDeleteConverter.INSTANCE,
getBuildingContext().getBootstrapContext().getClassmateContext()
);
}
}
if ( getSoftDeleteStrategy() == SoftDeleteType.ACTIVE ) {
attributeConverterDescriptor = new ReversedConverterDescriptor<>( attributeConverterDescriptor );
else {
return attributeConverterDescriptor;
}
}
return attributeConverterDescriptor != null
? converterResolution( javaType, attributeConverterDescriptor )
: resolution( explicitJavaType, javaType );
}
private static class ReversedConverterDescriptor<R> implements ConverterDescriptor {
private final ConverterDescriptor underlyingDescriptor;
@ -680,11 +697,10 @@ public class BasicValue extends SimpleValue implements JdbcTypeIndicators, Resol
&& !attributeConverterDescriptor.getDomainValueResolvedType().getErasedType()
.isAssignableFrom( javaType.getJavaTypeClass() ) ) {
// In this case, the converter applies to the element of a BasicPluralJavaType
final BasicPluralJavaType<?> containerJtd = (BasicPluralJavaType<?>) javaType;
final BasicType registeredElementType = converterResolution.getLegacyResolvedBasicType();
final Selectable column = getColumn();
final BasicType<?> registeredType = registeredElementType == null ? null
: containerJtd.resolveType(
: ( (BasicPluralJavaType<?>) javaType ).resolveType(
getTypeConfiguration(),
getDialect(),
registeredElementType,
@ -730,66 +746,76 @@ public class BasicValue extends SimpleValue implements JdbcTypeIndicators, Resol
}
private JavaType<?> determineReflectedJavaType() {
final java.lang.reflect.Type impliedJavaType;
final TypeConfiguration typeConfiguration = getTypeConfiguration();
final java.lang.reflect.Type impliedJavaType = impliedJavaType( typeConfiguration );
if ( impliedJavaType == null ) {
return null;
}
else {
resolvedJavaType = impliedJavaType;
return javaType( typeConfiguration, impliedJavaType );
}
}
private java.lang.reflect.Type impliedJavaType(TypeConfiguration typeConfiguration) {
if ( resolvedJavaType != null ) {
impliedJavaType = resolvedJavaType;
return resolvedJavaType;
}
else if ( implicitJavaTypeAccess != null ) {
impliedJavaType = implicitJavaTypeAccess.apply( typeConfiguration );
return implicitJavaTypeAccess.apply(typeConfiguration);
}
else if ( ownerName != null && propertyName != null ) {
impliedJavaType = ReflectHelper.reflectedPropertyType(
ownerName,
propertyName,
getServiceRegistry().requireService( ClassLoaderService.class )
);
return reflectedPropertyType( ownerName, propertyName,
getServiceRegistry().requireService( ClassLoaderService.class ) );
}
else {
return null;
}
resolvedJavaType = impliedJavaType;
if ( impliedJavaType == null ) {
return null;
}
private JavaType<Object> javaType(TypeConfiguration typeConfiguration, java.lang.reflect.Type impliedJavaType) {
final JavaType<Object> javaType = typeConfiguration.getJavaTypeRegistry().findDescriptor( impliedJavaType );
return javaType == null ? specialJavaType( typeConfiguration, impliedJavaType ) : javaType;
}
private JavaType<Object> specialJavaType(
TypeConfiguration typeConfiguration,
java.lang.reflect.Type impliedJavaType) {
final JavaTypeRegistry javaTypeRegistry = typeConfiguration.getJavaTypeRegistry();
final JavaType<Object> javaType = javaTypeRegistry.findDescriptor( impliedJavaType );
final MutabilityPlan<Object> explicitMutabilityPlan = explicitMutabilityPlanAccess != null
? explicitMutabilityPlanAccess.apply( typeConfiguration )
: null;
final MutabilityPlan<Object> determinedMutabilityPlan = explicitMutabilityPlan != null
? explicitMutabilityPlan
: RegistryHelper.INSTANCE.determineMutabilityPlan( impliedJavaType, typeConfiguration );
if ( javaType == null ) {
if ( jdbcTypeCode != null ) {
// Construct special JavaType instances for JSON/XML types which can report recommended JDBC types
// and implement toString/fromString as well as copying based on FormatMapper operations
switch ( jdbcTypeCode ) {
case SqlTypes.JSON:
final JavaType<Object> jsonJavaType = new JsonJavaType<>(
impliedJavaType,
determinedMutabilityPlan,
typeConfiguration
);
final JavaType<Object> jsonJavaType =
new JsonJavaType<>( impliedJavaType,
mutabilityPlan( typeConfiguration, impliedJavaType ),
typeConfiguration );
javaTypeRegistry.addDescriptor( jsonJavaType );
return jsonJavaType;
case SqlTypes.SQLXML:
final JavaType<Object> xmlJavaType = new XmlJavaType<>(
impliedJavaType,
determinedMutabilityPlan,
typeConfiguration
);
final JavaType<Object> xmlJavaType =
new XmlJavaType<>( impliedJavaType,
mutabilityPlan( typeConfiguration, impliedJavaType ),
typeConfiguration );
javaTypeRegistry.addDescriptor( xmlJavaType );
return xmlJavaType;
}
}
return javaTypeRegistry.resolveDescriptor( impliedJavaType );
}
return javaType;
private MutabilityPlan<Object> mutabilityPlan(
TypeConfiguration typeConfiguration, java.lang.reflect.Type impliedJavaType) {
final MutabilityPlan<Object> explicitMutabilityPlan = getExplicitMutabilityPlan();
return explicitMutabilityPlan != null
? explicitMutabilityPlan
: RegistryHelper.INSTANCE.determineMutabilityPlan( impliedJavaType, typeConfiguration );
}
private MutabilityPlan<Object> getExplicitMutabilityPlan() {
return explicitMutabilityPlanAccess == null ? null
: explicitMutabilityPlanAccess.apply( getTypeConfiguration() );
}
private static Resolution<?> interpretExplicitlyNamedType(
@ -1066,8 +1092,7 @@ public class BasicValue extends SimpleValue implements JdbcTypeIndicators, Resol
: getUserTypeBean( explicitCustomType, properties ).getBeanInstance();
if ( typeInstance instanceof TypeConfigurationAware ) {
final TypeConfigurationAware configurationAware = (TypeConfigurationAware) typeInstance;
configurationAware.setTypeConfiguration( getTypeConfiguration() );
( (TypeConfigurationAware) typeInstance ).setTypeConfiguration( getTypeConfiguration() );
}
if ( typeInstance instanceof DynamicParameterizedType ) {
@ -1097,11 +1122,12 @@ public class BasicValue extends SimpleValue implements JdbcTypeIndicators, Resol
}
}
@SuppressWarnings("deprecation")
public void setTemporalPrecision(TemporalType temporalPrecision) {
this.temporalPrecision = temporalPrecision;
}
@Override
@Override @SuppressWarnings("deprecation")
public TemporalType getTemporalPrecision() {
return temporalPrecision;
}

View File

@ -68,59 +68,46 @@ public class BasicTypeRegistry implements Serializable {
if ( typeReference == null ) {
return null;
}
if ( !name.equals( typeReference.getName() ) ) {
else if ( !name.equals( typeReference.getName() ) ) {
final BasicType<?> basicType = typesByName.get( typeReference.getName() );
if ( basicType != null ) {
return basicType;
}
}
final JavaType<Object> javaType = typeConfiguration.getJavaTypeRegistry().getDescriptor(
typeReference.getBindableJavaType()
);
final JdbcType jdbcType = typeConfiguration.getJdbcTypeRegistry().getDescriptor(
typeReference.getSqlTypeCode()
);
final BasicType<?> type;
return createBasicType( name, typeReference );
}
private BasicType<?> createBasicType(String name, BasicTypeReference<?> typeReference) {
final JavaType<Object> javaType =
typeConfiguration.getJavaTypeRegistry()
.getDescriptor( typeReference.getBindableJavaType() );
final JdbcType jdbcType =
typeConfiguration.getJdbcTypeRegistry()
.getDescriptor( typeReference.getSqlTypeCode() );
final BasicType<?> createdType = createBasicType( typeReference, javaType, jdbcType );
primeRegistryEntry( createdType );
typesByName.put( typeReference.getName(), createdType );
typesByName.put( name, createdType );
return createdType;
}
private static BasicType<?> createBasicType(
BasicTypeReference<?> typeReference, JavaType<Object> javaType, JdbcType jdbcType) {
final String name = typeReference.getName();
if ( typeReference.getConverter() == null ) {
if ( typeReference.isForceImmutable() ) {
type = new ImmutableNamedBasicTypeImpl<>(
javaType,
jdbcType,
typeReference.getName()
);
return typeReference.isForceImmutable()
? new ImmutableNamedBasicTypeImpl<>( javaType, jdbcType, name )
: new NamedBasicTypeImpl<>( javaType, jdbcType, name );
}
else {
type = new NamedBasicTypeImpl<>(
javaType,
jdbcType,
typeReference.getName()
);
}
}
else {
//noinspection unchecked
final BasicValueConverter<Object, ?> converter = (BasicValueConverter<Object, ?>) typeReference.getConverter();
final BasicValueConverter<?, ?> converter = typeReference.getConverter();
assert javaType == converter.getDomainJavaType();
if ( typeReference.isForceImmutable() ) {
type = new CustomMutabilityConvertedBasicTypeImpl<>(
typeReference.getName(),
jdbcType,
converter,
ImmutableMutabilityPlan.instance()
);
return typeReference.isForceImmutable()
? new CustomMutabilityConvertedBasicTypeImpl<>( name, jdbcType, converter,
ImmutableMutabilityPlan.instance() )
: new ConvertedBasicTypeImpl<>( name, jdbcType, converter );
}
else {
type = new ConvertedBasicTypeImpl<>(
typeReference.getName(),
jdbcType,
converter
);
}
}
primeRegistryEntry( type );
typesByName.put( typeReference.getName(), type );
typesByName.put( name, type );
return type;
}
public <J> BasicType<J> getRegisteredType(java.lang.reflect.Type javaType) {
@ -144,10 +131,7 @@ public class BasicTypeRegistry implements Serializable {
}
public <J> BasicType<J> resolve(JavaType<J> javaType, int sqlTypeCode) {
return resolve(
javaType,
typeConfiguration.getJdbcTypeRegistry().getDescriptor( sqlTypeCode )
);
return resolve( javaType, typeConfiguration.getJdbcTypeRegistry().getDescriptor( sqlTypeCode ) );
}
/**
@ -158,38 +142,36 @@ public class BasicTypeRegistry implements Serializable {
return resolve(
javaType,
jdbcType,
() -> {
if ( javaType instanceof BasicPluralJavaType<?> && jdbcType instanceof ArrayJdbcType ) {
//noinspection unchecked
final BasicPluralJavaType<Object> pluralJavaType = (BasicPluralJavaType<Object>) javaType;
final BasicType<Object> elementType = resolve(
pluralJavaType.getElementJavaType(),
( (ArrayJdbcType) jdbcType ).getElementJdbcType()
);
final BasicType<?> resolvedType = pluralJavaType.resolveType(
typeConfiguration,
typeConfiguration.getCurrentBaseSqlTypeIndicators().getDialect(),
elementType,
null,
typeConfiguration.getCurrentBaseSqlTypeIndicators()
);
if ( resolvedType instanceof BasicPluralType<?, ?> ) {
register( resolvedType );
}
//noinspection unchecked
return (BasicType<J>) resolvedType;
}
return new BasicTypeImpl<>( javaType, jdbcType );
}
() -> resolvedType( javaType, jdbcType )
);
}
public <J> BasicType<J> resolve(JavaType<J> javaType, JdbcType jdbcType, String baseTypeName) {
return resolve(
javaType,
jdbcType,
() -> new NamedBasicTypeImpl<>( javaType, jdbcType, baseTypeName )
private <J> BasicType<J> resolvedType(JavaType<J> javaType, JdbcType jdbcType) {
if ( javaType instanceof BasicPluralJavaType<?> && jdbcType instanceof ArrayJdbcType ) {
//noinspection unchecked
return (BasicType<J>) resolvedType( (ArrayJdbcType) jdbcType, (BasicPluralJavaType<?>) javaType );
}
else {
return new BasicTypeImpl<>( javaType, jdbcType );
}
}
private <E> BasicType<?> resolvedType(ArrayJdbcType arrayType, BasicPluralJavaType<E> castPluralJavaType) {
final BasicType<?> resolvedType = castPluralJavaType.resolveType(
typeConfiguration,
typeConfiguration.getCurrentBaseSqlTypeIndicators().getDialect(),
resolve( castPluralJavaType.getElementJavaType(), arrayType.getElementJdbcType() ),
null,
typeConfiguration.getCurrentBaseSqlTypeIndicators()
);
if ( resolvedType instanceof BasicPluralType<?,?> ) {
register( resolvedType );
}
return resolvedType;
}
public <J> BasicType<J> resolve(JavaType<J> javaType, JdbcType jdbcType, String baseTypeName) {
return resolve( javaType, jdbcType, () -> new NamedBasicTypeImpl<>( javaType, jdbcType, baseTypeName ) );
}
/**
@ -197,34 +179,48 @@ public class BasicTypeRegistry implements Serializable {
* JdbcType combo or create (and register) one.
*/
public <J> BasicType<J> resolve(JavaType<J> javaType, JdbcType jdbcType, Supplier<BasicType<J>> creator) {
final Map<JavaType<?>, BasicType<?>> typeByJavaTypeForJdbcType = registryValues.computeIfAbsent(
jdbcType,
key -> new ConcurrentHashMap<>()
);
final BasicType<?> foundBasicType = typeByJavaTypeForJdbcType.get( javaType );
if ( foundBasicType != null ) {
final BasicType<?> registeredBasicType = registryForJdbcType( jdbcType ).get( javaType );
//noinspection unchecked
return (BasicType<J>) foundBasicType;
return registeredBasicType != null
? (BasicType<J>) registeredBasicType
: createIfUnregistered( javaType, jdbcType, creator );
}
private <J> BasicType<J> createIfUnregistered(
JavaType<J> javaType,
JdbcType jdbcType,
Supplier<BasicType<J>> creator) {
// Before simply creating the type, we try to find if there is a registered type for this java type,
// and if so, if the jdbc type descriptor matches. Unless it does, we at least reuse the name
final BasicType<J> registeredType = getRegisteredType( javaType.getJavaType() );
if ( registeredType != null && registeredType.getJdbcType() == jdbcType && registeredType.getMappedJavaType() == javaType ) {
if ( registeredTypeMatches( javaType, jdbcType, registeredType ) ) {
return registeredType;
}
final BasicType<J> createdBasicType = creator.get();
typeByJavaTypeForJdbcType.put( javaType, createdBasicType );
else {
final BasicType<J> createdType = creator.get();
register( javaType, jdbcType, createdType );
return createdType;
}
}
// if we are still building mappings, register this ad-hoc type
// via a unique code. this is to support envers
private static <J> boolean registeredTypeMatches(JavaType<J> javaType, JdbcType jdbcType, BasicType<J> registeredType) {
return registeredType != null
&& registeredType.getJdbcType() == jdbcType
&& registeredType.getMappedJavaType() == javaType;
}
private <J> void register(JavaType<J> javaType, JdbcType jdbcType, BasicType<J> createdType) {
if ( createdType != null ) {
registryForJdbcType( jdbcType ).put( javaType, createdType );
// if we are still building mappings, register this adhoc
// type via a unique code. (This is to support Envers.)
try {
typeConfiguration.getMetadataBuildingContext().getBootstrapContext()
.registerAdHocBasicType( createdBasicType );
.registerAdHocBasicType( createdType );
}
catch (Exception ignore) {
}
return createdBasicType;
}
}
@ -260,16 +256,12 @@ public class BasicTypeRegistry implements Serializable {
}
private void applyOrOverwriteEntry(BasicType<?> type) {
final Map<JavaType<?>, BasicType<?>> typeByJavaTypeForJdbcType = registryValues.computeIfAbsent(
type.getJdbcType(),
jdbcType -> new ConcurrentHashMap<>()
);
final BasicType<?> existing = typeByJavaTypeForJdbcType.put( type.getMappedJavaType(), type );
final JdbcType jdbcType = type.getJdbcType();
final BasicType<?> existing = registryForJdbcType( jdbcType ).put( type.getMappedJavaType(), type );
if ( existing != null ) {
LOG.debugf(
"BasicTypeRegistry registration overwritten (%s + %s); previous =`%s`",
type.getJdbcType().getFriendlyName(),
jdbcType.getFriendlyName(),
type.getJavaTypeDescriptor(),
existing
);
@ -360,26 +352,25 @@ public class BasicTypeRegistry implements Serializable {
}
private void primeRegistryEntry(BasicType<?> type) {
final Map<JavaType<?>, BasicType<?>> typeByJavaTypeForJdbcType = registryValues.computeIfAbsent(
type.getJdbcType(),
jdbcType -> new ConcurrentHashMap<>()
);
final BasicType<?> existing = typeByJavaTypeForJdbcType.get( type.getMappedJavaType() );
final JdbcType jdbcType = type.getJdbcType();
final BasicType<?> existing = registryForJdbcType( jdbcType ).get( type.getMappedJavaType() );
if ( existing != null ) {
LOG.debugf(
"Skipping registration of BasicType (%s + %s); still priming. existing = %s",
type.getJdbcType().getFriendlyName(),
jdbcType.getFriendlyName(),
type.getJavaTypeDescriptor(),
existing
);
}
else {
typeByJavaTypeForJdbcType.put( type.getMappedJavaType(), type );
registryForJdbcType( jdbcType ).put( type.getMappedJavaType(), type );
}
}
private Map<JavaType<?>, BasicType<?>> registryForJdbcType(JdbcType jdbcType) {
return registryValues.computeIfAbsent( jdbcType, key -> new ConcurrentHashMap<>() );
}
private void applyRegistrationKeys(BasicType<?> type, String[] keys) {
for ( String key : keys ) {
// be safe...

View File

@ -19,7 +19,7 @@ import org.hibernate.type.spi.TypeConfiguration;
* Descriptor for a basic plural Java type.
* A basic plural type represents a type, that is mapped to a single column instead of multiple rows.
* This is used for array or collection types, that are backed by e.g. SQL array or JSON/XML DDL types.
*
* <p>
* The interface can be implemented by a plural java type e.g. {@link org.hibernate.type.descriptor.java.spi.BasicCollectionJavaType}
* and provides access to the element java type, as well as a hook to resolve the {@link BasicType} based on the element {@link BasicType},
* in order to gain enough information to implement storage and retrieval of the composite data type via JDBC.