Package org.hibernate.metamodel.mapping.internal

Class ToOneAttributeMapping

java.lang.Object

org.hibernate.metamodel.mapping.internal.AbstractAttributeMapping

org.hibernate.metamodel.mapping.internal.AbstractStateArrayContributorMapping

org.hibernate.metamodel.mapping.internal.AbstractSingularAttributeMapping

org.hibernate.metamodel.mapping.internal.ToOneAttributeMapping

All Implemented Interfaces:

Association, AttributeMapping, Bindable, EntityAssociationMapping, EntityValuedModelPart, JdbcMappingContainer, MappingModelExpressible, ModelPart, ModelPartContainer, PropertyBasedMapping, SelectableMappings, SingularAttributeMapping, ValuedModelPart, ValueMapping, TableGroupJoinProducer, TableGroupProducer, DatabaseSnapshotContributor, EntityValuedFetchable, Fetchable, FetchableContainer, FetchOptions, FetchStyleAccess, FetchTimingAccess, JavaTypedExpressible, MutabilityPlanExposer

public class ToOneAttributeMapping
extends AbstractSingularAttributeMapping
implements EntityValuedFetchable, EntityAssociationMapping, TableGroupJoinProducer

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ToOneAttributeMapping.Cardinality

Nested classes/interfaces inherited from interface org.hibernate.metamodel.mapping.Bindable

Bindable.JdbcValuesConsumer

Nested classes/interfaces inherited from interface org.hibernate.metamodel.mapping.ModelPart

ModelPart.IndexedJdbcValueConsumer, ModelPart.JdbcValueConsumer

Constructor Summary

Constructors

Constructor	Description
ToOneAttributeMapping(String name, NavigableRole navigableRole, int stateArrayPosition, int fetchableIndex, ToOne bootValue, AttributeMetadata attributeMetadata, FetchTiming mappedFetchTiming, FetchStyle mappedFetchStyle, EntityMappingType entityMappingType, ManagedMappingType declaringType, EntityPersister declaringEntityPersister, PropertyAccess propertyAccess)
ToOneAttributeMapping(String name, NavigableRole navigableRole, int stateArrayPosition, int fetchableIndex, ToOne bootValue, AttributeMetadata attributeMetadata, FetchOptions mappedFetchOptions, EntityMappingType entityMappingType, ManagedMappingType declaringType, EntityPersister declaringEntityPersister, PropertyAccess propertyAccess)

Method Summary

Modifier and Type	Method	Description
static void	addPrefixedPropertyNames(Set<String> targetKeyPropertyNames, String prefix, Type type, SessionFactoryImplementor factory)
void	applySqlSelections(NavigablePath navigablePath, TableGroup tableGroup, DomainResultCreationState creationState)	Apply SQL selections for a specific reference to this ModelPart outside the domain query's root select clause.
void	applySqlSelections(NavigablePath navigablePath, TableGroup tableGroup, DomainResultCreationState creationState, BiConsumer<SqlSelection,JdbcMapping> selectionConsumer)	Apply SQL selections for a specific reference to this ModelPart outside the domain query's root select clause.
void	breakDownJdbcValues(Object domainValue, ModelPart.JdbcValueConsumer valueConsumer, SharedSessionContractImplementor session)
ToOneAttributeMapping	copy(ManagedMappingType declaringType, TableGroupProducer declaringTableGroupProducer)
LazyTableGroup	createRootTableGroupJoin(NavigablePath navigablePath, TableGroup lhs, String explicitSourceAlias, SqlAstJoinType requestedJoinType, boolean fetched, Consumer<Predicate> predicateConsumer, SqlAliasBaseGenerator aliasBaseGenerator, SqlExpressionResolver sqlExpressionResolver, FromClauseAccess fromClauseAccess, SqlAstCreationContext creationContext)	Create a TableGroupJoin as defined for this producer, but as root TableGroup.
<T> DomainResult<T>	createSnapshotDomainResult(NavigablePath navigablePath, TableGroup tableGroup, String resultVariable, DomainResultCreationState creationState)	Create a DomainResult to be used when selecting snapshots from the database.
TableGroup	createTableGroupInternal(boolean canUseInnerJoins, NavigablePath navigablePath, boolean fetched, String sourceAlias, SqlAliasBase sqlAliasBase, SqlExpressionResolver sqlExpressionResolver, SqlAstCreationContext creationContext)
TableGroupJoin	createTableGroupJoin(NavigablePath navigablePath, TableGroup lhs, String explicitSourceAlias, SqlAstJoinType requestedJoinType, boolean fetched, boolean addsPredicate, SqlAliasBaseGenerator aliasBaseGenerator, SqlExpressionResolver sqlExpressionResolver, FromClauseAccess fromClauseAccess, SqlAstCreationContext creationContext)	Create a TableGroupJoin as defined for this producer The sqlAstJoinType may be null to signal that the join is for an implicit path.
Object	disassemble(Object value, SharedSessionContractImplementor session)
ModelPart	findSubPart(String name)
ModelPart	findSubPart(String name, EntityMappingType targetType)
int	forEachDisassembledJdbcValue(Object value, int offset, Bindable.JdbcValuesConsumer valuesConsumer, SharedSessionContractImplementor session)
int	forEachJdbcType(int offset, IndexedConsumer<JdbcMapping> action)	Visit each JdbcMapping starting from the given offset
int	forEachJdbcValue(Object value, int offset, Bindable.JdbcValuesConsumer consumer, SharedSessionContractImplementor session)
int	forEachSelectable(int offset, SelectableConsumer consumer)	Visit each contained selectable mapping.
EntityFetch	generateFetch(FetchParent fetchParent, NavigablePath fetchablePath, FetchTiming fetchTiming, boolean selected, String resultVariable, DomainResultCreationState creationState)	Generates a Fetch of this fetchable
EntityMappingType	getAssociatedEntityMappingType()
String	getBidirectionalAttributeName()
ToOneAttributeMapping.Cardinality	getCardinality()
String	getContainingTableExpression()	The table which contains the columns mapped by this value
SqlAstJoinType	getDefaultSqlAstJoinType(TableGroup parentTableGroup)
EntityMappingType	getEntityMappingType()	The descriptor of the entity that is the type for this part
Fetchable	getFetchable(int position)
ForeignKeyDescriptor	getForeignKeyDescriptor()	The descriptor, allowing access to column(s), etc
String	getIdentifyingColumnsTableExpression()
int	getJdbcTypeCount()	The number of JDBC mappings
ModelPart	getKeyTargetMatchPart()	The model sub-part relative to the associated entity type that is the target of this association's foreign-key
EntityMappingType	getMappedType()	Descriptor for the type of this mapping
NavigableRole	getNavigableRole()
NotFoundAction	getNotFoundAction()
int	getNumberOfFetchables()	The number of fetchables in the container
String	getReferencedPropertyName()
SelectableMapping	getSelectable(int columnIndex)	Get the selectable at the given position
ForeignKeyDescriptor.Nature	getSideNature()	Indicates which "side" of the foreign-key this association describes
String	getSqlAliasStem()	Get the "stem" used as the base for generating SQL table aliases for table references that are part of the TableGroup being generated
String	getTargetKeyPropertyName()
Set<String>	getTargetKeyPropertyNames()
boolean	hasNotFoundAction()
boolean	hasPartitionedSelectionMapping()
protected boolean	isBidirectionalAttributeName(NavigablePath parentNavigablePath, ModelPart parentModelPart, NavigablePath fetchablePath, DomainResultCreationState creationState)
boolean	isFkOptimizationAllowed()
boolean	isIgnoreNotFound()
boolean	isInternalLoadNullable()
boolean	isNullable()
boolean	isOptional()
boolean	isReferenceToPrimaryKey()
boolean	isSimpleJoinPredicate(Predicate predicate)	Returns whether the given predicate is a simple join predicate for this attribute.
boolean	isUnwrapProxy()
Fetch	resolveCircularFetch(NavigablePath fetchablePath, FetchParent fetchParent, FetchTiming fetchTiming, DomainResultCreationState creationState)	Check whether this Fetchable is considered a circular fetch.
void	setForeignKeyDescriptor(ForeignKeyDescriptor foreignKeyDescriptor)
void	setIdentifyingColumnsTableExpression(String tableExpression)
String	toString()

Methods inherited from class org.hibernate.metamodel.mapping.internal.AbstractSingularAttributeMapping

getGenerator, getPropertyAccess

Methods inherited from class org.hibernate.metamodel.mapping.internal.AbstractStateArrayContributorMapping

getAttributeMetadata, getFetchableName, getMappedFetchOptions, getStateArrayPosition, getStyle, getTiming

Methods inherited from class org.hibernate.metamodel.mapping.internal.AbstractAttributeMapping

getAttributeName, getDeclaringType, getFetchableKey, getJavaType, getPartMappingType

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.hibernate.metamodel.mapping.AttributeMapping

asAttributeMapping, compare, findContainingEntityMapping, getAttributeMetadata, getAttributeName, getDeclaringType, getExposedMutabilityPlan, getPartName, getStateArrayPosition, getValue, setValue

Methods inherited from interface org.hibernate.metamodel.mapping.Bindable

forEachDisassembledJdbcValue, forEachJdbcType, forEachJdbcValue

Methods inherited from interface org.hibernate.metamodel.mapping.EntityAssociationMapping

getFetchableName, incrementFetchDepth

Methods inherited from interface org.hibernate.metamodel.mapping.EntityValuedModelPart

createDomainResult, forEachSubPart, visitSubParts

Methods inherited from interface org.hibernate.sql.results.graph.Fetchable

getFetchableKey, getMappedFetchOptions

Methods inherited from interface org.hibernate.sql.results.graph.FetchableContainer

getKeyFetchable, getNumberOfFetchableKeys, getNumberOfKeyFetchables, getSelectableIndex, visitFetchables, visitFetchables, visitFetchables, visitKeyFetchables, visitKeyFetchables, visitKeyFetchables

Methods inherited from interface org.hibernate.metamodel.mapping.ModelPart

areEqual, decompose, getJavaType, getPartMappingType, isVirtual

Methods inherited from interface org.hibernate.metamodel.mapping.ModelPartContainer

findByPath, forEachSubPart

Methods inherited from interface org.hibernate.sql.ast.tree.from.TableGroupJoinProducer

createRootTableGroupJoin, createTableGroupJoin

Methods inherited from interface org.hibernate.sql.ast.tree.from.TableGroupProducer

containsTableReference

Methods inherited from interface org.hibernate.metamodel.mapping.ValuedModelPart

forEachInsertable, forEachSelectable, forEachUpdatable, getJdbcMappings

Methods inherited from interface org.hibernate.metamodel.mapping.ValueMapping

getExpressibleJavaType, treatAs

Constructor Detail

ToOneAttributeMapping

public ToOneAttributeMapping(String name,
                             NavigableRole navigableRole,
                             int stateArrayPosition,
                             int fetchableIndex,
                             ToOne bootValue,
                             AttributeMetadata attributeMetadata,
                             FetchOptions mappedFetchOptions,
                             EntityMappingType entityMappingType,
                             ManagedMappingType declaringType,
                             EntityPersister declaringEntityPersister,
                             PropertyAccess propertyAccess)

ToOneAttributeMapping

public ToOneAttributeMapping(String name,
                             NavigableRole navigableRole,
                             int stateArrayPosition,
                             int fetchableIndex,
                             ToOne bootValue,
                             AttributeMetadata attributeMetadata,
                             FetchTiming mappedFetchTiming,
                             FetchStyle mappedFetchStyle,
                             EntityMappingType entityMappingType,
                             ManagedMappingType declaringType,
                             EntityPersister declaringEntityPersister,
                             PropertyAccess propertyAccess)

Method Detail

addPrefixedPropertyNames

public static void addPrefixedPropertyNames(Set<String> targetKeyPropertyNames,
                                            String prefix,
                                            Type type,
                                            SessionFactoryImplementor factory)

copy

public ToOneAttributeMapping copy(ManagedMappingType declaringType,
                                  TableGroupProducer declaringTableGroupProducer)

setForeignKeyDescriptor

public void setForeignKeyDescriptor(ForeignKeyDescriptor foreignKeyDescriptor)

getIdentifyingColumnsTableExpression

public String getIdentifyingColumnsTableExpression()

setIdentifyingColumnsTableExpression

public void setIdentifyingColumnsTableExpression(String tableExpression)

getForeignKeyDescriptor

public ForeignKeyDescriptor getForeignKeyDescriptor()

Description copied from interface: Association

The descriptor, allowing access to column(s), etc

Specified by:

getForeignKeyDescriptor in interface Association

getSideNature

public ForeignKeyDescriptor.Nature getSideNature()

Description copied from interface: Association

Indicates which "side" of the foreign-key this association describes

Specified by:

getSideNature in interface Association

isReferenceToPrimaryKey

public boolean isReferenceToPrimaryKey()

Specified by:

isReferenceToPrimaryKey in interface EntityAssociationMapping

isFkOptimizationAllowed

public boolean isFkOptimizationAllowed()

Specified by:

isFkOptimizationAllowed in interface EntityAssociationMapping

hasPartitionedSelectionMapping

public boolean hasPartitionedSelectionMapping()

Specified by:

hasPartitionedSelectionMapping in interface ModelPart

getReferencedPropertyName

public String getReferencedPropertyName()

getTargetKeyPropertyName

public String getTargetKeyPropertyName()

getTargetKeyPropertyNames

public Set<String> getTargetKeyPropertyNames()

getCardinality

public ToOneAttributeMapping.Cardinality getCardinality()

getMappedType

public EntityMappingType getMappedType()

Description copied from interface: ValueMapping

Descriptor for the type of this mapping

Specified by:

getMappedType in interface ValueMapping

getEntityMappingType

public EntityMappingType getEntityMappingType()

Description copied from interface: EntityValuedModelPart

The descriptor of the entity that is the type for this part

Specified by:

getEntityMappingType in interface EntityValuedModelPart

getNavigableRole

public NavigableRole getNavigableRole()

Specified by:

getNavigableRole in interface ModelPart

See Also:

ModelPart.getPartName()

findSubPart

public ModelPart findSubPart(String name)

Specified by:

findSubPart in interface EntityValuedModelPart

findSubPart

public ModelPart findSubPart(String name,
                             EntityMappingType targetType)

Specified by:

findSubPart in interface EntityValuedModelPart

Specified by:

findSubPart in interface ModelPartContainer

resolveCircularFetch

public Fetch resolveCircularFetch(NavigablePath fetchablePath,
                                  FetchParent fetchParent,
                                  FetchTiming fetchTiming,
                                  DomainResultCreationState creationState)

Description copied from interface: Fetchable

Check whether this Fetchable is considered a circular fetch.

Specified by:

resolveCircularFetch in interface Fetchable

Parameters:

fetchablePath - The overall path within the graph

Returns:

The Fetch representing the circularity; null indicates the fetch is not circular

isBidirectionalAttributeName

protected boolean isBidirectionalAttributeName(NavigablePath parentNavigablePath,
                                               ModelPart parentModelPart,
                                               NavigablePath fetchablePath,
                                               DomainResultCreationState creationState)

getBidirectionalAttributeName

public String getBidirectionalAttributeName()

generateFetch

public EntityFetch generateFetch(FetchParent fetchParent,
                                 NavigablePath fetchablePath,
                                 FetchTiming fetchTiming,
                                 boolean selected,
                                 String resultVariable,
                                 DomainResultCreationState creationState)

Description copied from interface: Fetchable

Generates a Fetch of this fetchable

Specified by:

generateFetch in interface EntityValuedFetchable

Specified by:

generateFetch in interface Fetchable

Parameters:

fetchParent - The parent of the Fetch we are generating

fetchablePath - The overall path within the graph

fetchTiming - The requested fetch timing

createSnapshotDomainResult

public <T> DomainResult<T> createSnapshotDomainResult(NavigablePath navigablePath,
                                                      TableGroup tableGroup,
                                                      String resultVariable,
                                                      DomainResultCreationState creationState)

Description copied from interface: DatabaseSnapshotContributor

Create a DomainResult to be used when selecting snapshots from the database.

By default, simply use ModelPart.createDomainResult(org.hibernate.spi.NavigablePath, org.hibernate.sql.ast.tree.from.TableGroup, java.lang.String, org.hibernate.sql.results.graph.DomainResultCreationState)

Specified by:

createSnapshotDomainResult in interface DatabaseSnapshotContributor

getDefaultSqlAstJoinType

public SqlAstJoinType getDefaultSqlAstJoinType(TableGroup parentTableGroup)

Specified by:

getDefaultSqlAstJoinType in interface TableGroupJoinProducer

isSimpleJoinPredicate

public boolean isSimpleJoinPredicate(Predicate predicate)

Description copied from interface: TableGroupJoinProducer

Returns whether the given predicate is a simple join predicate for this attribute. This is useful to understand if a predicate has additional conjunctions other than the FK related predicate.

Specified by:

isSimpleJoinPredicate in interface TableGroupJoinProducer

getNumberOfFetchables

public int getNumberOfFetchables()

Description copied from interface: FetchableContainer

The number of fetchables in the container

Specified by:

getNumberOfFetchables in interface FetchableContainer

getFetchable

public Fetchable getFetchable(int position)

Specified by:

getFetchable in interface FetchableContainer

createTableGroupJoin

public TableGroupJoin createTableGroupJoin(NavigablePath navigablePath,
                                           TableGroup lhs,
                                           String explicitSourceAlias,
                                           SqlAstJoinType requestedJoinType,
                                           boolean fetched,
                                           boolean addsPredicate,
                                           SqlAliasBaseGenerator aliasBaseGenerator,
                                           SqlExpressionResolver sqlExpressionResolver,
                                           FromClauseAccess fromClauseAccess,
                                           SqlAstCreationContext creationContext)

Description copied from interface: TableGroupJoinProducer

Create a TableGroupJoin as defined for this producer The sqlAstJoinType may be null to signal that the join is for an implicit path. When addsPredicate is true, the SQM join for the attribute contains an explicit ON clause, and is false otherwise.

Specified by:

createTableGroupJoin in interface TableGroupJoinProducer

createRootTableGroupJoin

public LazyTableGroup createRootTableGroupJoin(NavigablePath navigablePath,
                                               TableGroup lhs,
                                               String explicitSourceAlias,
                                               SqlAstJoinType requestedJoinType,
                                               boolean fetched,
                                               Consumer<Predicate> predicateConsumer,
                                               SqlAliasBaseGenerator aliasBaseGenerator,
                                               SqlExpressionResolver sqlExpressionResolver,
                                               FromClauseAccess fromClauseAccess,
                                               SqlAstCreationContext creationContext)

Description copied from interface: TableGroupJoinProducer

Create a TableGroupJoin as defined for this producer, but as root TableGroup. The main purpose of this is for correlating an association in a subquery i.e. `... alias where exists (select 1 from SomeEntity e where alias.association.attr = 1)`. The sqlAstJoinType may be null to signal that the join is for an implicit path.

Specified by:

createRootTableGroupJoin in interface TableGroupJoinProducer

createTableGroupInternal

public TableGroup createTableGroupInternal(boolean canUseInnerJoins,
                                           NavigablePath navigablePath,
                                           boolean fetched,
                                           String sourceAlias,
                                           SqlAliasBase sqlAliasBase,
                                           SqlExpressionResolver sqlExpressionResolver,
                                           SqlAstCreationContext creationContext)

getSqlAliasStem

public String getSqlAliasStem()

Description copied from interface: TableGroupProducer

Get the "stem" used as the base for generating SQL table aliases for table references that are part of the TableGroup being generated

Note that this is a metadata-ive value. It is only ever used internal to the producer producing its TableGroup.

Specified by:

getSqlAliasStem in interface TableGroupProducer

See Also:

SqlAliasBaseManager.createSqlAliasBase(java.lang.String)

isNullable

public boolean isNullable()

isOptional

public boolean isOptional()

Specified by:

isOptional in interface EntityValuedFetchable

isInternalLoadNullable

public boolean isInternalLoadNullable()

getNotFoundAction

public NotFoundAction getNotFoundAction()

isIgnoreNotFound

public boolean isIgnoreNotFound()

hasNotFoundAction

public boolean hasNotFoundAction()

isUnwrapProxy

public boolean isUnwrapProxy()

Specified by:

isUnwrapProxy in interface EntityValuedFetchable

getAssociatedEntityMappingType

public EntityMappingType getAssociatedEntityMappingType()

Specified by:

getAssociatedEntityMappingType in interface EntityAssociationMapping

getKeyTargetMatchPart

public ModelPart getKeyTargetMatchPart()

Description copied from interface: EntityAssociationMapping

The model sub-part relative to the associated entity type that is the target of this association's foreign-key

Specified by:

getKeyTargetMatchPart in interface EntityAssociationMapping

toString

public String toString()

Overrides:

toString in class Object

breakDownJdbcValues

public void breakDownJdbcValues(Object domainValue,
                                ModelPart.JdbcValueConsumer valueConsumer,
                                SharedSessionContractImplementor session)

Specified by:

breakDownJdbcValues in interface ModelPart

forEachSelectable

public int forEachSelectable(int offset,
                             SelectableConsumer consumer)

Description copied from interface: SelectableMappings

Visit each contained selectable mapping. As the selectables are iterated, we call `SelectionConsumer` passing along `offset` + our current iteration index. The return is the number of selectables we directly contain

Specified by:

forEachSelectable in interface ModelPart

Specified by:

forEachSelectable in interface SelectableMappings

Specified by:

forEachSelectable in interface ValuedModelPart

See Also:

SelectableConsumer.accept(int, SelectableMapping)

applySqlSelections

public void applySqlSelections(NavigablePath navigablePath,
                               TableGroup tableGroup,
                               DomainResultCreationState creationState)

Description copied from interface: ModelPart

Apply SQL selections for a specific reference to this ModelPart outside the domain query's root select clause.

Specified by:

applySqlSelections in interface EntityValuedModelPart

Specified by:

applySqlSelections in interface ModelPart

applySqlSelections

public void applySqlSelections(NavigablePath navigablePath,
                               TableGroup tableGroup,
                               DomainResultCreationState creationState,
                               BiConsumer<SqlSelection,JdbcMapping> selectionConsumer)

Description copied from interface: ModelPart

Apply SQL selections for a specific reference to this ModelPart outside the domain query's root select clause.

Specified by:

applySqlSelections in interface EntityValuedModelPart

Specified by:

applySqlSelections in interface ModelPart

getContainingTableExpression

public String getContainingTableExpression()

Description copied from interface: ValuedModelPart

The table which contains the columns mapped by this value

Specified by:

getContainingTableExpression in interface ValuedModelPart

getJdbcTypeCount

public int getJdbcTypeCount()

Description copied from interface: Bindable

The number of JDBC mappings

Specified by:

getJdbcTypeCount in interface Bindable

Specified by:

getJdbcTypeCount in interface EntityValuedModelPart

Specified by:

getJdbcTypeCount in interface JdbcMappingContainer

Specified by:

getJdbcTypeCount in interface SelectableMappings

Specified by:

getJdbcTypeCount in interface ValuedModelPart

getSelectable

public SelectableMapping getSelectable(int columnIndex)

Description copied from interface: SelectableMappings

Get the selectable at the given position

Specified by:

getSelectable in interface SelectableMappings

forEachJdbcType

public int forEachJdbcType(int offset,
                           IndexedConsumer<JdbcMapping> action)

Description copied from interface: JdbcMappingContainer

Visit each JdbcMapping starting from the given offset

Specified by:

forEachJdbcType in interface EntityValuedModelPart

Specified by:

forEachJdbcType in interface JdbcMappingContainer

disassemble

public Object disassemble(Object value,
                          SharedSessionContractImplementor session)

Specified by:

disassemble in interface Bindable

Specified by:

disassemble in interface EntityValuedModelPart

See Also:

As an example, consider the following domain model: ````

forEachDisassembledJdbcValue

public int forEachDisassembledJdbcValue(Object value,
                                        int offset,
                                        Bindable.JdbcValuesConsumer valuesConsumer,
                                        SharedSessionContractImplementor session)

Specified by:

forEachDisassembledJdbcValue in interface Bindable

Specified by:

forEachDisassembledJdbcValue in interface EntityValuedModelPart

forEachJdbcValue

public int forEachJdbcValue(Object value,
                            int offset,
                            Bindable.JdbcValuesConsumer consumer,
                            SharedSessionContractImplementor session)

Specified by:

forEachJdbcValue in interface Bindable

Specified by:

forEachJdbcValue in interface EntityValuedModelPart