ObjectDB Database Search
51-100 of 167 resultsField not persisted in abstract class with two level of nesting; } } TZ1 package BUG2; import javax.persistence. Embeddable ; @ Embeddable public class TZ1  ... javax.persistence. Embeddable ; @ Embeddable abstract class AS extends ATT {   ... . Embeddable ; @ Embeddable public abstract class ATT implements Serializable{   | |
Clarification on free license restrictions use unrestricted numbers of embeddable classes? Do embeddable classes count as ... pricecap72 Craig A Price Embeddable classes are count as entity classes but other serializable classes are unlimited. Therefore, even though embeddable classes are preferred - you may use | |
Schema update: package, class and field for embeddable classes. Do you have a solution for embeddable classes? btc_es BTC EmbeddedSystems There should not be a difference between entity and embeddable classes regarding schema changes. Maybe you are trying an embeddable class which is also an inner class (and that makes a difference in | |
How to apply Unique constraints on embedded fields?; } @ Embeddable public class B { private C c; } @ Embeddable public class C { private HashSet values; }   ... setB2(B2 b2) { this.b2 = b2; } } @ Embeddable public class B1 { private C c; public B1() { } public C getC() { return c; } public void setC(C c) { this.c = c; } @ Embeddable public static class C | |
TemporalType injection with Calendar using JPA;Is there something obvious here that I am failing to see? @ Embeddable @Access(AccessType.PROPERTY ... on it) The following documentation is misleading Embeddable Classes (and Simple Java Data Types) , as it clearly states that java.util.Calendar is a persistable type for a field in a Embeddable class | |
Should derived fields of an EmbeddedId be manually maintained by app code?.persistence.Basic; import javax.persistence. Embeddable ; import javax.persistence.EmbeddedId; import javax ... ; @Entity public class ECompoundKeyMapItem { @ Embeddable public static class ECompoundKeyMapItemId ... javax.persistence. Embeddable ; import javax.persistence.EmbeddedId; import javax.persistence.Entity | |
com.objectdb.o.UserException: Ambiguous entity name I get the com.objectdb.o.UserException: Ambiguous entity name A former embeddable class seems to be similar to a new entity class. However, I removed the embeddable class from all of my classes. Still I get this error and in the explorer I can find an entry for this embeddable class | |
Explorer in 2.3 too). But suppose I want to set the value of a field of type 'A' where A is an @Entity or @ Embeddable . I ... the result of a JPQL query to set a value of an @Entity or @ Embeddable field. ie. I want to set the value of a field of type 'A' where A is an @Entity or @ Embeddable . So I enter a JPQL query | |
How do I achieve a Deep Fetch using JOIN FETCH? I have an Entity type which is contains a collection of Embeddable objects, which in turn themselves contain a collection of Embeddable objects: @ Embeddable class A { String val; }; @ Embeddable class B { List aList; }; @Entity class C { @Id long id; List bList; }; Usually I'm content | |
Object comparation never matches Hi! I'm trying to compare 2 identical objects in SELECT with no success: @ Embeddable public class ... (entity classes and embeddable classes) can be compared by using the equality operators ... . For embeddable objects, e1 = e2 if e1 and e2 have exactly the same content. though it is exactly what I'm | |
Query to find object from element of a contained collection entity or embeddable classes are supported by ObjectDB, the recommendation is to avoid using them when possible due to their limitations. Try to define OrderItemData as en embeddable class . In ... , indeed the few classes that were not entity nor embeddable have been set as embeddable since then as i had issues | |
Dirty checking Moshal surprisingly, it looks like embeddable classes can't register change listeners? ie: @ Embeddable @EntityListeners (Listener.class) So, having to go and make all @ Embeddables into @Entities ... contained by other Entities (i.e: that were previously Embeddables ). dmoshal David Moshal | |
Embedded Entity in EmbeddedId not persisted. Error 631 at select..persistence. Embeddable ; import javax.persistence.Embedded; import javax.persistence.EmbeddedId; import ... + "]"; } } @ Embeddable   ... ; em.getTransaction().commit(); or by specifying CascadeType.PERSIST: @ Embeddable public static | |
collection of embedded objects of @ Embeddable objects? ie. Suppose I want to query: SELECT count(a) FROM A a WHERE a.setOfB.value ... whose type is a user defined embeddable class or a collection of user defined embeddable classes | |
can't get HashMap out of the database embeddable objects. I've modified the test code to be a bit closer to the actual code and I ... object is: @ Embeddable public class Guest implements Serializable { private String name; private Date ... . Please advise if nested embeddable objects are supported. Kind regards, Natalia. natmaclin Natalia Levine | |
how explorer queries work ObjectDB knows to build missing entity and embeddable classes, based on the schema that is internally ... the mismatching. Try to avoid using user defined serializable non entity / embeddable classes ( which are not recommended anyway ) and use embeddable classes instead. This way ObjectDB will be able to complete your missing classes. support Support | |
EmbeddedId with Generated field value ********* @Entity public class A { @EmbeddedId private CompositePK pk; } @ Embeddable public class CompositePK ... only for entity objects (and not for embeddable classes). Consider using: @IdClass(ZoneId.class ... has ZoneId class (or CompositePK class) to be declared as @ Embeddable static class with annotated fields? I | |
Weird behaviour with enhanced classes and embedded entities; import javax.persistence. Embeddable ; import javax.persistence.Entity; import javax.persistence ... ; return embeddedEntities; } } @ Embeddable ... ; } } @ Embeddable static class MySecondEmbeddedEntity {   | |
Exception when querying Map property with @embedded & Enhancer enabled MyEntity2 Thanks import java.util.LinkedHashMap; import javax.persistence. Embeddable ; import javax ... ; return "MyEntity2 [name=" + name + ", values=" + values + "]"; } } @ Embeddable public ... that demonstrates an unexpected limitation of enhanced embeddable classes in queries. Please try | |
Problem witch CriteriaBuilder isMember(..) misunderstood some essentials I have defined an entity class and an embeddable class like this @Entity ... ; testobject = new Testclass(0,0); } @ Embeddable class Testclass { long uid ... .6.4_09 the isMember method works fine with embeddable objects. But in 2.6.5_02 and 2.6.5_03 | |
Changing existing objects from Entity to Embedded embeddable . To use embedded objects you must declare classes as embeddable (rather than the reference fields as in ObjectDB 1.0), either by annotation ( @ Embeddable ) or by external XML metadata ( in package.jdo ). support Support | |
Problem with entities detection. The only difference is an @ Embeddable annotion in a class, and an @Embedded annotation in another. The problem ... .Direccion (the @ Embeddable ) to the same package of centroController, it just works, and locates entities ... asignaturasAlumnoList; And this is the Embedded class: @ Embeddable public class Direccion implements Serializable | |
Missing (null) elements in eager loaded references I have the following problem: Setup: Two hierachical Entities (Element, DataElement), which contain an ElementCollection of Embeddables (Costs). The Embeddable from the ElementCollection ... : @ Embeddable public class Cost { @OneToMany (fetch = FetchType. EAGER ) private List dataElements ; @Basic | |
Join query problem with new statetment an embeddable class to entity class, which results in having a class with mixed objects in the database - the old embeddable objects and the new entity objects. For more precise diagnosis - please post | |
Searching lists within objects = new ArrayList (); } @ Embeddable class Attribute { private AttributeType type ... ), so you can build new embeddable objects for the search. However, I am not sure if indexes | |
Issue with Casting / Joins Hi I can't seem to find my way out of this. Basically what I have is something like: @ Embeddable public class EmbeddedBase { ... } @ Embeddable public class EmbeddedA extends EmbeddedBase { private String name; getName()... } @Entity public class MyEntity { private Map embeddeds = new | |
Embedding Managed Entities in Embedded Objects = bad idea Discovered that you can't embed entities in embeddable objects if the entity is managed. Haven't tried embedding un-managed entities in embeddable objects, though I imagine that's not a great idea. The the error message isn't all that obvious (attempting to persist object which already has an id | |
javax.persistence.ElementCollection.targetClass JPA Annotation Attribute in javax.persistence.ElementCollection Class targetClass default void.class (Optional) The basic or embeddable class that is the element type of the collection. This element is optional only if the collection field or property is defined using Java generics | |
javax.persistence.JoinColumn.table mapping using a foreign key mapping strategy, the name of the table of the source entity or embeddable | |
javax.persistence.MapKeyClass JPA Annotation MapKeyClass Target: METHOD, FIELD Implemented Interfaces: Annotation Specifies the type of the map key for associations of type java.util.Map . The map key can be a basic type, an embeddable class, or an entity. If the map is specified using Java generics, the MapKeyClass annotation | |
javax.persistence.MapKeyJoinColumn of the referencing entity or embeddable class; "_"; "KEY". Since: JPA 2.0 boolean nullable default false | |
javax.persistence.MapKeyJoinColumn.name of the referencing relationship property or field of the referencing entity or embeddable class; "_"; "KEY". Since: JPA 2.0 | |
javax.persistence.MapsId EmbeddedId for composite key @ Embeddable public class DependentId { String name; long empid | |
javax.persistence.OneToMany of the relationship. The OneToMany annotation may be used within an embeddable class contained within an entity | |
javax.persistence.OrderColumn as part of the state of the entity or embeddable class. The OrderBy annotation should be used | |
javax.persistence.Transient JPA Annotation Transient Target: METHOD, FIELD Implemented Interfaces: Annotation Specifies that the property or field is not persistent. It is used to annotate a property or field of an entity class, mapped superclass, or embeddable class. Example: @Entity public class Employee { @Id int id | |
javax.persistence.criteria.Join JPA Interface Join Type Parameters: - the source type of the join - the target type of the join Super Interfaces: Expression , FetchParent , From , Path A join to an entity, embeddable , or basic type. Since: JPA 2.0 The FROM clause (JPQL / Criteria API) article explains how to use Join . Public | |
javax.persistence.metamodel.Attribute | |
javax.persistence.metamodel.Attribute | |
javax.persistence.metamodel.EmbeddableType JPA Interface EmbeddableType Type Parameters: - The represented type. Super Interfaces: ManagedType , Type Instances of the type EmbeddableType represent embeddable types. Since: JPA 2.0 Public Methods Attribute getAttribute (String name) Return the attribute of the managed type | |
javax.persistence.metamodel.ManagedType JPA Interface ManagedType Type Parameters: - The represented type. Super Interfaces: Type Instances of the type ManagedType represent entity, mapped superclass, and embeddable types. Since: JPA 2.0 Public Methods Attribute getAttribute (String name) Return the attribute of the managed type | |
Metamodel.managedType(cls) - JPA Method JPA Method in javax.persistence.metamodel.Metamodel ManagedType managedType ( Class cls ) Return the metamodel managed type representing the entity, mapped superclass, or embeddable class. Parameters: cls - the type of the represented managed class Return: the metamodel managed | |
javax.persistence.metamodel.StaticMetamodel JPA Annotation StaticMetamodel Target: ElementType.TYPE Implemented Interfaces: Annotation The StaticMetamodel annotation specifies that the class is a metamodel class that represents the entity, mapped superclass, or embeddable class designated by the value element. Since: JPA 2.0 Public | |
Unexpected exception (Error 990) com.objectdb.o.InternalException; // Persist an entity with an embeddable : em ... ; // Keep a strong reference to the embeddable but free the entity: MyEmbeddable embeddable = em.find(MyEntity.class, 1). embeddable ;   | |
Issues with JDO Casting & Full Qualified Names. Embeddable ; import javax.persistence.Entity; import javax.persistence.EntityManager; import javax ... HashMap (); } @ Embeddable public static class EmbeddedBase { String base = "TEST"; } @ Embeddable public static class EmbeddedA extends EmbeddedBase { String name = "Alex"; } @ Embeddable | |
ArrayIndexOutOfBoundsException with enhanced Entity Hi! We have an two entities, the first one is something like: @ Embeddable class TestEmbed ... only with an embeddable entity embedded within another embeddable entity like: @ Embeddable class Embed_A {} @ Embeddable class Embed_B { private Embed_A embedA; .. } @Entity class MyEntity { private Embed_B | |
Best practise loading big data of table rows which is a list of embeddable entities holding the final (String) value together with just ... ( fetch = LAZY ) ArrayList values; } @ Embeddable class MyValue { @Basic boolean flag; @Basic String ... ; } @Entity { class MyStep { @ElementCollection ( fetch = LAZY ) ArrayList values; } @ Embeddable class | |
Inverse OneToMany Mapping and EmbeddedId.persistence . Embeddable ; import javax.persistence . EmbeddedId ; import javax.persistence . Entity ... + "]" ; } } @ Embeddable ... .14G/1.25G main PT4M49.26S -0.58G/1.29G EmbeddedId: @ Embeddable public class ValueId {   | |
Error reading UTF string (Serialized Objects in Explorer) ). Using serializable types is not recommended ( embeddable classes should be used instead) and is not ... all your classes. But if Money is serializable and changing it to embeddable is possible | |
JPA Composite Key make Object Db throws "Unexpected exception (Error 990)" Book { @EmbeddedId BookId id; } @ Embeddable Class BookId { Integer bookIdCountry; ECountry country ... ; @ Embeddable public static class MyEntityId {   |