ObjectDB Database Search

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EntityManager refresh problem

javax.persistence. EntityManagerFactory ; import javax.persistence.Persistence; import javax ... ;  odbFile.delete();         EntityManagerFactory emf

Persist not working when ObjectDB and another db is used in the same application (through spring) with different tx managers

EntityManagerFactory " entityManagerFactory ", which is associated with the MySQL/Hibernate

General Performance Issues Illustrated with a Specific Method

;dbUrl += ";drop";          EntityManagerFactory emf = Persistence ... static void store( EntityManagerFactory emf) throws Exception {         

Cast exception?

EntityManagerFactory createEntityManagerFactory(String paramString, Map paramMap) /* */ { /* 73 */ EntityManagerFactory localEntityManagerFactory = null; /* 74 */ PersistenceProviderResolver

Need help to make this test work and define proper annotations for entities Lists

.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence.GeneratedValue; import ... ;         EntityManagerFactory emf;       

Storing objects problem

that you have described. support Support Main class:       EntityManagerFactory emf ... (switch1);   router.getChildren().add(switch2);     EntityManagerFactory emf =  

Does ObjectDB support lazy loading?

void main(String[] args)   { String path = "test.odb"; EntityManagerFactory emf = Persistence ... ; String path = "test.odb";     EntityManagerFactory emf = Persistence

Join performance in Objectdb

;  EntityManagerFactory emf =             ... ; EntityManagerFactory emf =             Persistence

Database(*.odb) file size on disk

.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence.FlushModeType ... ) {   EntityManagerFactory emf;   emf = Persistence.createEntityManagerFactory("objectdb

Server connection management

; The property can also be specified in properties map when instantiating the EntityManagerFactory ... ; {         EntityManagerFactory emf =      

Database absolute filepath

Is there a line of code that can be used to print out my databases absolute path? I have set it as follows: EntityManagerFactory emf = Persistence.createEntityManagerFactory("$objectdb/database ... { public static void main(String[] args) { EntityManagerFactory emf = Persistence

Is it possible to remove parent/child entities without refresh?

.persistence.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence ... ; EntityManagerFactory emf = null;   if (delete) {    new File(dbFileName).delete

Date field Index is corrupted due to time change

.persistence. EntityManagerFactory ; import javax.persistence.GeneratedValue; import javax.persistence ... ;             EntityManagerFactory emf =  

Merge with Parent/Child entities not possible

.persistence.Entity; import javax.persistence.EntityManager; import javax.persistence. EntityManagerFactory ... createEntityManager(String dbFileName, boolean delete) {   EntityManagerFactory emf = null;   if (delete

failure to enforce NOT NULL for java.lang.String

; } } public class RegressionTest { /** */ @Test public void regressionTest() { EntityManagerFactory emf ... ; EntityManagerFactory emf =             Persistence

"Attempt to lock a non entity object" error

; import javax.persistence. EntityManagerFactory ; import javax.persistence.LockModeType; import javax ... ;  EntityManagerFactory emf = Persistence.createEntityManagerFactory(      

@MappedSuperclass and @Transient not working as I expected

.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence.GeneratedValue ... @GeneratedValue protected int id; @Version protected long version; @Transient protected EntityManagerFactory emf

IN expression in a Criteria Query

) {         EntityManagerFactory emf =       ... (String[] args) {         EntityManagerFactory emf =    

em.flush(); em.clear(); loosing data and not persisting managed objects

that fails. import javax.persistence.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence.Persistence; public class Test { private final EntityManagerFactory emf; private

multiple LEFT JOINs do not work as expected

(String[] args) {         EntityManagerFactory emf =    ... void main(String[] args) { EntityManagerFactory emf = Persistence.createEntityManagerFactory

com.objectdb.o.InternalException

.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence.Persistence ... ;    EntityManagerFactory emf = Persistence.createEntityManagerFactory(ruta);    

Strange behaviour with ORDER BY and IN

.persistence. EntityManagerFactory ; import javax.persistence.Persistence; public class Main {     ... ; EntityManagerFactory emf =            

odb files and config file

/. But there were no obd files in it. I'm getting my EntityManager by doing this: EntityManagerFactory emf ... src/main/java/webapp/WEB-INF/db/? I tried this: EntityManagerFactory emf = Persistence

object creation during pmf.getPersistenceManager()

/ EntityManagerFactory is created. These instances serve as factory (using methods that are added ... of a PersistenceManagerFactory / EntityManagerFactory is a heavy one time operation (followed by many

Updating Entities

are managed in Main public class Main extends Application { private static EntityManagerFactory emf ... not know how to do this... Here's why... Main: Initializes EntityManagerFactory and EntityManagers

Is there an update on running ObjectDB purely in-memory?

;  EntityManagerFactory emf =         Persistence ... then i could able to run the explorer and server.   EntityManagerFactory emf

How to use JOIN FETCH?

.Entity; import javax.persistence.EntityManager; import javax.persistence. EntityManagerFactory ; import ... ; EntityManagerFactory emf = Persistence.createEntityManagerFactory("eager.odb");   EntityManager em = emf

Help with 'not like/lower' query

javax.persistence. EntityManagerFactory ; import javax.persistence.Persistence; import javax ... ; EntityManagerFactory emf =             Persistence

Replication error - parsing objectdb config

follows: EntityManagerFactory masterEmf = Persistence.createEntityManagerFactory("objectdb://localhost:6136/TestReplication.odb;user=admin;password=admin"); EntityManagerFactory replicatedEmf

Wrong data stored in time only fields

.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence.GeneratedValue ... ;  EntityManagerFactory emf =            

Exception when querying Map property with @embedded & Enhancer enabled

. EntityManagerFactory ; import javax.persistence.Persistence; public class TestEmbeddableMap { public static void main(String[] args) {   EntityManagerFactory emf =     Persistence

Object DB vs EclipseLink/TopLink: Unloaded relationships in detached entities

get the connection need to traverse the LAZY relationship from the EntityManagerFactory and will able able to use it as long as the EntityManagerFactory is open. The connection used in not

Not able to update records

.java:758) Following is the code i am executing   EntityManagerFactory emFactory = Persistence ... : EntityManagerFactory emFactory = Persistence.createEntityManagerFactory(Constants.DATABASE_FILE

Remove a modified entity cause an optimistic lock exception

void main(String[] args) {         EntityManagerFactory emf =   ... static void main(String[] args) {         EntityManagerFactory emf

Java 6/7 Performance Comparison

may have missed while running under java 7. long start = System.currentTimeMillis(); EntityManagerFactory ... Opening an EntityManagerFactory and an EntityManager should never take 30 seconds. Most ObjectDB

Out of Memory Error

; EntityManagerFactory  instances have bot been closed (note: closing the connections, i.e. the EntityManager instance is insufficient, as an  EntityManagerFactory if open keeps a connection

java.nio.channels.OverlappingFileLockException

; EntityManagerFactory entityManagerFactory =         Persistence

ODB tries to create log files inside its own jar on Win7

. EntityManagerFactory ; import javax.persistence.Persistence; public class Test { public static void main(String[] args) { try { EntityManagerFactory emf = Persistence.createEntityManagerFactory("objectdb:test

Drop the entire database, Change the schema

;drop as a url parameter:      EntityManagerFactory emf =      ... database file by adding ;drop to the url:      EntityManagerFactory emf

ObjectDB is opening too many sockets

the EntityManagerFactory :     Map properties = new HashMap ();     properties.put("javax.jdo.option.MaxPool", "10");      EntityManagerFactory emf =    

Database connection url

# EntityManagerFactory support Support thanks, works for me. dmoshal David Moshal

[ObjectDB 2.2.6_02] Unexpected exception (Error 990) at com.objectdb.o.OBC.aJ(OBC.java:961)

.persistence.EntityManager; import javax.persistence. EntityManagerFactory ; import javax.persistence ... .getName()).log(Level.SEVERE, null, ex); } } private EntityManagerFactory emf; public ReproduceTest

Close() Method of EMF throwing "PersistenceException: Connection is closed" on first attempt to close.

to close the EntityManagerFactory associated with these ODBs by calling the EMF’s close() method.  ... Thanks, Clinton Moore CAPdev CAP Dev The exception indicates that the EntityManagerFactory

Navigation through lazy loading from Detached Objects

a semi detached state (in which they are still associated with the EntityManagerFactory and enable ... ;  EntityManagerFactory emf =            

NullPointerException when using multithreading

million commits.  The client application has a single instance of the EntityManagerFactory and each ... minutes the EntityManagerFactory is closed with all its EntityManager instances

ObjectDB can't be activated

EntityManagerFactory emf = Persistence.createEntityManagerFactory("objectdb://localhost:6136/test ... over port 1234 to local port 6136): EntityManagerFactory emf = Persistence.createEntityManagerFactory

huge heap usage

one EntityManagerFactory with 105,689  EntityManager instances. This could be caused by creating ... ; You can see that these connections are held by one  EntityManagerFactory (EMF):   support Support thanks, this helps pretty much hgzwicker Hans-Georg Zwicker

Unexpected error when loading all entity instance

application is stopped) do you close the ObjectDB database ( EntityManagerFactory 's close), e.g ... all instances of EntityManagerFactory instances on destroy of the servlet.  I disabled the hot deploy

WeakRef Purge ObjectDb threads not stopping with Tomcat (in application container)

with a an EntityManagerFactory scope thread. The new thread exists when the EntityManagerFactory is closed

Getting an error when adding activation code to conf file

javax.persistence. EntityManagerFactory ; import javax.persistence.Persistence; import javax.persistence ... ) { EntityManagerFactory emf = Persistence.createEntityManagerFactory("$objectdb/db/my_entity.odb"); EntityManager em = emf