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to the ElementCollection annotation. If the embeddable class contains references to other entities, the default values for the columns corresponding to those references may be overridden by means ... (Optional) The foreign key columns of the collection table which reference the primary table of the entity

which reference the primary table of the entity owning the association. (I.e. the owning ... which reference the primary table of the entity that does not own the association. (I.e. the inverse

. The resultClasses element refers to the class (or classes) that are used to map the results ... StoredProcedureParameter Since: Jakarta Persistence (JPA) 2.1 Annotation Elements String name The name used to refer

(    TypedQueryReference reference ) Create an instance of TypedQuery for executing a named query written in the Jakarta Persistence query language or in native SQL. Parameters: reference - a reference to the query defined in metadata Returns: the new query instance. Throws

is empty and I persist a valid B entity (that contains actual A reference ) I observe some behavior ... will refer to it. Please explain what is happening there? I know about cascade option, and if I use it A will be persisted under A type... but is B referring to that A or it is keeping a copy

implementations it is more efficient to use non collection references , to avoid a JOIN table (so a reference from ... ORM-based implementations. By the way, if you define the reference in Order , you can use an inverse ... , however, it is efficient to define the reference in either side. Therefore, the same definition

of B contain the field __odbTracker of type com.objectdb.o.EMT, which then holds a reference ... enhancement. The problem is the direct reference from com.objectdb.o.EMT to A that prevents garbage collecting of A instances (the reference com.objectdb.o.ENT is less important since after making

; Can you please advise on next steps? Thank you, Clinton   [12161] Page #26356937 has invalid reference from key 'AEA6C33' to child page #7 8764514. [12162] Page #27778657 has invalid reference from key ... reference from key 'A4F58B6' to child page #7 8764512. [12164] Page #33415486 has invalid reference

.springframework.orm.jpa.JpaSystemException: Failed to set reference value of field property at.co.pjm.tracker ... ._PersistenceException: Failed to set reference value of field property at.co.pjm.tracker.persistence.Unit ... (Thread.java:745) [na:1.8.0_72] Caused by: com.objectdb.o._PersistenceException: Failed to set reference

deletion of the entity, will never be synchronized to the database. Managed entities which reference the given entity continue to reference it. This operation cascades to every entity related by

Jakarta Persistence (JPA) Method in jakarta.persistence.NamedAttributeNode String subgraph (Optional) If the attribute references a managed type that has its own AttributeNodes, this element is used to refer to that NamedSubgraph definition. If the target type has inheritance, multiple subgraphs

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityManager T getReference (    Class entityClass ,    Object primaryKey ) Obtain a reference to an instance ... Returns: a reference to the entity instance. Throws: EntityNotFoundException - if the entity state

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityManager T getReference (    T entity ) Obtain a reference to an instance of the entity class of the given object ... was open. Parameters: entity - a persistent or detached entity instance Returns: a reference

for circular references ) c. Binary - Select some objects, serialize the data to a binary file ... and more importantly managing a scrollable window - require at least loading all the references in advance ... is to put a reference 'this' in the symbol table referring to the current object, which would allow

of an entity passed as a reference . An entity is considered loaded if all attributes

. This method can be used to determine the load state of an entity passed as a reference . An entity

: FOREIGN KEY ( {, } ... ) REFERENCES [ ( {, } ... ) ] [ ON UPDATE ] [ ON DELETE

. A reference to a named entity graph may be obtained by calling EntityManager.getEntityGraph

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.MapKeyJoinColumns Implemented Interfaces: Annotation Target: Method, Field Supports composite map keys that reference entities. The MapKeyJoinColumns annotation groups MapKeyJoinColumn annotations. When the MapKeyJoinColumns annotation

of the entity cannot be made persistent until the relationship has been assigned a reference to an instance

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.ColumnResult Implemented Interfaces: Annotation Used in conjunction with the SqlResultSetMapping , NamedNativeQuery , or ConstructorResult annotation to map a column of the SELECT list of a SQL query. The name element references

of the entity class. This name is used to refer to the entity in queries. The name must not be a reserved

by the persistence provider when an entity reference obtained by EntityManager.getReference

) A map keyed by query name , containing references to every named query whose result type

Jakarta Persistence (JPA) Interface jakarta.persistence.criteria.Root Type Parameters: - the entity type referenced by the root Super Interfaces: From , Path , FetchParent , Expression , Selection , TupleElement A root type in the from clause. Query roots always reference entities. Since: Jakarta

Jakarta Persistence (JPA) Interface jakarta.persistence.TypedQueryReference Type Parameters: - an upper bound on the result type of the query A reference to a named query declared via the NamedQuery or NamedNativeQuery annotations. See Also: EntityManager.createQuery(TypedQueryReference

to refer to the parameter paramClass - parameter class Returns: parameter expression. Since: Jakarta

, the join columns are assumed to reference the primary key columns of the primary table

mapping, and used to refer to it in the methods of the Query and StoredProcedureQuery APIs

. The OrderColumn annotation is specified on the side of the relationship that references the collection

Deprecated: TODO: Either change TCK reference to PERSISTENCE_PROVIDER field to expect "jakarta

REF_CURSOR Stored procedure reference cursor parameter. Some databases use REF_CURSOR parameters

operators are supported. The dot ( . ) notation is used to refer to an attribute within an embedded

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceUnitUtil boolean isLoaded (    Object entity ) Determine the load state of an entity belonging to the persistence unit. This method can be used to determine the load state of an entity passed as a reference . An entity

Jakarta Persistence (JPA) Field in jakarta.persistence.Persistence PERSISTENCE_PROVIDER This final String is deprecated and should be removed and is only here for TCK backward compatibility Deprecated: TODO: Either change TCK reference to PERSISTENCE_PROVIDER field to expect "jakarta.persistence

Jakarta Persistence (JPA) Enum Constant in jakarta.persistence.ParameterMode REF_CURSOR Stored procedure reference cursor parameter. Some databases use REF_CURSOR parameters to return result sets from stored procedures. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.EntityManagerFactory Map getNamedQueries (    Class resultType ) Type Parameters: - the specified upper bound on the query result types A map keyed by query name , containing references to every named query whose result type

Jakarta Persistence (JPA) Method in jakarta.persistence.NamedAttributeNode String keySubgraph (Optional) If the attribute references a Map type, this element can be used to specify a subgraph for the Key in the case of an Entity key type. A keySubgraph can not be specified without the Map

Jakarta Persistence (JPA) Method in jakarta.persistence.criteria.CriteriaBuilder ParameterExpression parameter (    Class paramClass ,    String name ) Create a parameter expression with the given name. Parameters: name - name that can be used to refer to the parameter

Jakarta Persistence (JPA) Method in jakarta.persistence.NamedStoredProcedureQuery String name The name used to refer to the query with the EntityManager methods that create stored procedure query objects. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.JoinTable JoinColumn[] joinColumns (Optional) The foreign key columns of the join table which reference the primary table of the entity owning the association. (I.e. the owning side of the association). Uses the same defaults as

Jakarta Persistence (JPA) Method in jakarta.persistence.JoinTable JoinColumn[] inverseJoinColumns (Optional) The foreign key columns of the join table which reference the primary table of the entity that does not own the association. (I.e. the inverse side of the association). Uses the same

Jakarta Persistence (JPA) Method in jakarta.persistence.SqlResultSetMapping String name The name given to the result set mapping, and used to refer to it in the methods of the Query and StoredProcedureQuery APIs. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.Entity String name (Optional) The entity name. Defaults to the unqualified name of the entity class. This name is used to refer to the entity in queries. The name must not be a reserved literal in the Jakarta Persistence query language. Default: "" Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.CollectionTable JoinColumn[] joinColumns (Optional) The foreign key columns of the collection table which reference the primary table of the entity. The default only applies if a single join column is used. The default is the same as

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceUtil boolean isLoaded (    Object entity ) Determine the load state of an entity. This method can be used to determine the load state of an entity passed as a reference . An entity is considered loaded if all attributes

a reference on the retrived entities then we discover that the memory consumption is extremly high, many ... ? With enhanced classes ObjectDB is not expected to hold strong references (which prevents garbage ... and paths of strong references from roots to objects? support Support @Entity class MyStepBlockCollection

it would be a great help. The Doctor also lists many broken references . Broken references could be application ... ). Are you aware for something in your application that can cause broken references or ... Support the broken references are something that we are aware of, not connected in general

(Finalizer.java:209) Locked ownable synchronizers: - None " Reference Handler" - Thread t@2 java.lang.Thread.State: WAITING at java.lang.Object.wait(Native Method) - waiting on (a java.lang.ref. Reference $Lock) at java.lang.Object.wait(Object.java:502) at java.lang.ref. Reference .tryHandlePending( Reference

that reference integrity is not broken and there are no dangling references . Future versions of ObjectDB should support reference integrity. support Support *VERY* important feature for any serious db app ... most. And the only thing that blocked me from transfer to ObjectDB. huyi Ray Hu As indicated above, reference