Internal Website Search

// mem.flush(); } ... paul Paul Hudson You can change default flush mode on the EntityManager level or on the Query level. See this manual page . support Support

object does not track changes. This is explained in chapter 3 of the manual . support Support Thank

;private List children; You may also specify cascading persist globally as explained in the manual . support Support

. You can manually make the switch between the master and the slave to enable write operations as well. support Support

make the jar file to copy to tomcat and I don't know why. In the version were I manually created

; CriteriaQuery . There are some relevant examples in the manual .   support Support Ok yes I

an absolute path (or relative, starting with $objectdb ) for the database root directory. See this manual

I was wondering if there is any way to get a list of the entity names in the database? dmoshal David Moshal You can use the Metamodel API as explained by the JPA Metamodel API  page in the manual . support Support Actually, there is a simpler way to get the class names (in one line of code

HI I am trying to use @PrePersist annotation in my project.This application is using struts2 with jpa combination .so can u please tell me how to us this annotaton before save the record into persistence.   claerly how to use in pojo and in action class rameshanem rameshanem Please read this manual page . support Support

private TCStep step; See examples on  this manual page . support Support

reduce to 10 entity classes, etc. it will require manual intervention. support Support As a proof

this would be a manual task and the application would need to be halted during the copy

of the created predicate yields in something like: $1.eintritt=2013-11-01 whereas as seen in my manual query

LoggerWrapper using the technique described under the Log4j2 manual : Generating Source Code for a Custom

have to manually sync the versions.   Thanks   dmoshal David Moshal This requires changes

. ObjectDB does not purge old recording files. However, you can delete old odr files manually or from

ObjectDB 2.1 has been released and it includes important additions and fixes: Added Online Backup utility ( issue #16 ). Added Master-Slave  Replication / Clustering (issue #17 ). Added a PDF version of the ObjectDB manual (included in the download). Added sample (tutorials) Maven projects

the vacuum. If there is no way to do this other than manually implementing code to read, delete, and write

enhancement methods are listed in the manual . Build time enhancement is preferred, since it enables

, and accordingly break the synchronization between memory and database objects. See these manual pages

simple codes(see attachment), failed.   gzdillon Lai Yang DELETE queries should not be run with getSingleResult ( which is for SELECT queries). Use executeUpdate instead. See this manual page . support Support

Hi, I am trying to understand the limitations of schema evolution and have read the material on http://www.objectdb.com/java/jpa/entity/schema as well as the link therein regarding manual schema update when changing a field’s name Yet, i am confused regarding how to handle the case

types)  in the manual . support Support I didn't change the enum and I don't use @Ordinal

the manual the only example of launching the online backup through JPA). Therefore I

Hello, As in our OSGI Environment, we do need to manually weave classes. To be able to do so, we'd need access to the ClassTransformer from ObjectDB. However, there's only the global enhancer api which is not of any help. There's the JEhancerAgent which seems to implement a ClassTransformer as

. See the list of Comparable Data Types in the manual . support Support

that it might get corrupted because the manual says that we must not access ObjectDB with different versions

- from the ObjectDB manual - by: "The following operations clear the entire persistence context

; "objectdb://11.13.0.151/my_database.odb" ) ; See the   persistence unit manual page

update). Additional information on optimistic locking is available in the manual . support Support I

maven goal and got no effect. I've also tried to use enhancer manually on classes, but still getting

.4_03). I had to load them manually in the transaction due to lack of time but would like

number of objects per transaction. This is explained in the Storing JPA Entity Objects page in the manual

that, for every transaction, I need to handle the optimistic lock by manually refreshing each object? if so, it seems like

manually before the schema update then the database can be opened in the DB Explorer after the schema

found in the manual only how a whole packet can be renamed: But Class3 shall not be moved.   Or

the DB file or even better can I make ObjectDB not reporting them without manually fixing each DB

is still there. If you try to manually delete the folder, you will get an "Folder in use" error message

chapter 3 of the manual . You may also register listener using the JDO API, which is not documented but supported by ObjectDB. support Support

only when no configuration file is found elsewhere. Please read the explanations on this manual page

These are questions asked in the context of the proposed architecture described in the forum thread titled, "Sample JDO Architecture for Follow Up Questions".   I thought I read something on the ObjectDB website (forum? 1.x manual ?), which I cannot find now, that stated that the datastore

= query.getResultList(); For more details see this manual page . support Support Please delete

version of ObjectDB. Is this true? Thanks ... billdotnet Bill As stated in the manual : In JPA

specification, and most of them also in the ObjectDB manual . Please try to demonstrate further questions

. Read about detached entities in the manual  and also see the discussion on this issue  

Hi, I read the database server section of the manual - and it looks like it is not possible to connect to a Database embedded with an application from another application - is that correct? The way to go is to have the DB server running by itself and then the 2 other applications connecting

A main limitation of detached objects (as explained on the Detached Entities manual page) is: Retrieval by navigation from detached objects is not supported, so only persistent fields that have been loaded before detachment should be used. As explained on the Object DB vs EclipseLink/TopLink

Hi, I have an issue with the ODB Doctor running endlessly on a 1.35GB ODB file.  It gets to three progress dots quickly then stops progressing, all while consuming 100% CPU until killed manually .  There is plenty of /tmp space and space on the drive where the new database is being placed

Added support for manual starting of online backup threads ( feature request #2855 ). Improved query plan evaluation. Fixed a regressing performance issue in build 2.8.9_01.

million read values GC is called manually - all entities are freed, but we still have a lot of weak