ObjectDB Database Search

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List always null

; @ GeneratedValue (strategy = GenerationType.AUTO)     private Long id;     ... ; @ GeneratedValue (strategy = GenerationType.AUTO)     private Long id;    

How to avoid NULL values on Embedded entities

Hi there. I'm new on this. trying to learn. I'm trying to make a value non nulleable. So, when I try to upload to the DB this field as null, it give me an error. I tried this, but it didn't work: public class Pedido {     @Id @ GeneratedValue     private long id;  

_PersistenceException: Type is not found on getSingleResult.

Greetings. I'm new to ObjectDB. I'm using an ObjectDB local database for a Java SE standalone application and i'm having issues querying for an object of this entity: @Entity public class Estudiante{     @Id     @ GeneratedValue     private Integer id

LifeCycle Event with Embeddable classes

Hello, is there a way that lifecycle events like prepersist or preupdate are also fired for embeddable classes, not just for entities? My case looks as follows: @Entity public class Foo { @Id @ GeneratedValue private Long id; private String description; @OneToMany(cascade = CascadeType.ALL, fetch

query on calendar class

Hello!   I'm looking for help to build query on calendar class. I need to get objects where Calendar.DAY_OF_WEEK is FRIDAY or any other. My class: @Entity public class Cdr {     private static final long serialVersionUID = 1L;        @Id @ GeneratedValue

Immediately retrieve unique id

The beginning of my "Sample" class looks like: @Entity @SequenceGenerator(name = "sampleSeqGenerator", initialValue = 1, allocationSize = 100) public class Sample implements Serializable { private static final long serialVersionUID = 1L; private String sampleName; @ GeneratedValue (strategy

problem with lazy loading - unittest project attached

- please consider: a different GeneratedValue 's strategy  (in ObjectDB the SEQUENCE  

Intermittent: "Attempt to reuse an existing primary key value" when persisting a new instance

using the following annotations for the id:   @Id     @ GeneratedValue (strategy

Mismatch client-server protocol prefix

is annotated with: @Id @ GeneratedValue public Long getId() { return Id; } mosi0815 Ralph Moser Regarding #2

Problem with @UniqueConstraint

" }) }) public static final class CI { @Id @ GeneratedValue long id; @Column (name = "NAME" , nullable = false

Does ObjectDB support @Parent for @Embeddable reference to parent?

instrumentation: @Entity class User implements Serializable { @Id @ GeneratedValue (strategy = GenerationType

find() cost unreasonable time!

="0") public class Nodes { @Id     @ GeneratedValue (strategy=GenerationType.IDENTITY

Error with org.springframework.data.jpa.domain.AbstractPersistable

;   {         @Id @ GeneratedValue     

Problem with distinct select, order by and equivalent alias/attribute path

    @ GeneratedValue (strategy = GenerationType.AUTO)     private Long id

Missing (null) elements in eager loaded references

@ GeneratedValue (strategy = GenerationType. SEQUENCE , generator = "seq" ) private Long id

Performance in SELECT statement

Hello, I have the following 2 entities : @Entity public class TestEntity implements LocalEntity {     @Id     @ GeneratedValue     private Long key;     private Long clientKey;     private String

Failed to commit transaction: Attempt to reuse an existing primary key value (613)

the database is @ GeneratedValue , and at the commit clause it throws the exception. If you could explain

Change Sequcene Id

; @ GeneratedValue (strategy=GenerationType.IDENTITY)     private Long id; }   Tsu

Database size is much larger than expected (x2)

.persistence.Entity; import javax.persistence. GeneratedValue ; import javax.persistence.GenerationType

Bulk Delete and Update - best practice?

public static class CacheData { @ GeneratedValue @Id long id; @Index int hash; String data; public long

How to delete M2M relationship?

In user model class I have the following: public class User implements Serializable {     @Id     @ GeneratedValue (strategy = GenerationType.AUTO)     private Long id;     @ManyToMany(mappedBy = "attendees", cascade

@Column( name = "columnName") doesn't work

I have created following entity class with custom fields @Entity public class AfwDataKey { @Id @ GeneratedValue @Column(name = "KEY_ID") private long id; private Long timestamp; @ManyToOne @Column(name = "KEY_DESCRIPTOR") private AfwKeyDescriptor keyDescriptor; @OneToMany(fetch = FetchType.LAZY

Null returned by Persistence.createEntityManagerFactory

; @Entity public class Task implements Serializable { @Id @ GeneratedValue int id; //int id = 0; private

Error: Failed to write value of field X using reflection (oneToMany relation)

Hi there! I have been all day trying to solve this. I have read multiple sites and documentation, but I can go through this. I have a clase named Pedido, that have a reference ManyToOne to a clase Cliente. @Entity public class Pedido { @Id @ GeneratedValue private long id; @Embedded private

LAZY @ManyToOne field functions as EAGER

;  @ GeneratedValue         Long id;     

Possible issue for default id generator

and 36: @ GeneratedValue (strategy=GenerationType.SEQUENCE)//, generator="seq") @Id @SequenceGenerator

java.sql.Timestamp.getTime() not working

Player { @Id @ GeneratedValue (strategy = GenerationType.IDENTITY) public int id; @Temporal(TemporalType

Fields in objects not populated in query result.

, Serializable { /** * */ private static final long serialVersionUID = 1L; @ GeneratedValue @Id protected long

Cascading merge() leading to "Attempt to persist a reference to a non managed instance" error

static final class Child {     @Id     @ GeneratedValue    

Failing to read entities under load in multithreaded tests

;   @Id     @ GeneratedValue (strategy=GenerationType.TABLE, generator

@ElementCollection of type enum

;     @Id @ GeneratedValue Long id;          

"is not null" queries not working with index

.persistence.EntityManagerFactory; import javax.persistence. GeneratedValue ; import javax.persistence.Id

Unexpected exception when execute query without enhanced entities

{         @Id @ GeneratedValue         int uid

Unexpected exception (Error 990) - Merge with no Transaction

;   @ GeneratedValue         Long id;  

Explorer bug ? Objects seem to be missing from database in Class view, but are present as references

that under @ID @ GeneratedValue AUTO strategy with ObjectDB (unlike with EclipseLink+MySQL or EclipseLink

NPE when doing a find()

I added a simple User entity during Tomcat startup: class User {  @Id @ GeneratedValue private long id; @Basic(optional = false) private String firstName; private String middleName; @Basic(optional = false) private String lastName; } Everything works fine until I restart the server, which does

boolean field flips after schema update (in class) of another field

public class Configuration { @Id @ GeneratedValue private long id; @Embedded private Application