About auto
Auto Generated Values
Explains the different strategies for generating auto values (mainly for primary key fields) in JPA.... page covers the following topics: The Auto Strategy The Identity Strategy The Sequence ... The Table Strategy The Auto Strategy ObjectDB maintains a special global number generator for ...
FlushModeType.AUTO
(Default) Flushing to occur at query execution.(Enum Constant of javax.persistence.FlushModeType)
"Unsupported auto value type java.lang.String" when persisting new instance
I don't have a simple test case for this issue, but I'm getting this error: ... 2.3.2] javax.persistence.PersistenceException Unsupported auto value type java.lang.String for field hr.hzmo.network.model.Device.ID ... by: com.objectdb.o.UserException: Unsupported auto value type java.lang.String for field hr.hzmo.network.model.Device.ID at ...
auto generate timestamp
Hi all, How can I create auto timestamping column? I want the database to generate the timestamp. I tried google but suggested solutions doesn't work in objectDB. http://stackoverflow.com/questions/811845/setting-a-jpa-timestamp-column-to-be-generated-by-the-database - Pawel ... Hi all, How can I create auto timestamping column? I want the database to generate the ...
explorer feature request: ability to auto refresh
Request for feature: Ability to auto-refresh an explorer view, say at regular intervals of a few seconds. (at a minimum one ought to be able to manually refresh, for example the list of persistent types). additionally, it would be useful to be able to view an embedded database (read only mode) via the explorer. ... Request for feature: Ability to auto-refresh an explorer view, say at regular intervals of a few seconds. ...
GenerationType.AUTO
Indicates that the persistence provider should pick an appropriate strategy for the particular database.(Enum Constant of javax.persistence.GenerationType)
ValidationMode.AUTO
If a Bean Validation provider is present in the environment, the persistence provider must perform the automatic validation of entities.(Enum Constant of javax.persistence.ValidationMode)
Explorer bug ? Objects seem to be missing from database in Class view, but are present as references
objectdb-2.2.5_08 NetbeansID6.9.1+Glassfish3.01 I suspect the following is an Explorer bug. It is marked knowingly as CRITICAL by me because it makes the ObjectDB system unusable for a real project because it appears to be either database integrity corruption, or it just looks like it, which is just as bad. I attach a running project illustrating the problem, as well as screenshots. ... []: Created: com.greensoft.entity.Actor [null](TEST: auto actor 0) INFO: RequestBean []: Persisted: com.greensoft.entity.Actor [30](TEST: auto actor 0) INFO: RequestBean []: Created: com.greensoft.entity.Actor ...
Setting and Tuning of JPA Queries
Explains various JPA query settings - result range, flush and lock.... enum, which has two values: AUTO FlushModeType.AUTO enum constant (Default) Flushing to occur at query execution. ...
On ensuring ID available after persist
This reports on a possible solution to a common problem: I was trialling ObjectDB on an existing, functioning, large JavaEE/JPA web application, which until now had used EclipseLink+MySQL and then Oracle+MySQL. On trying it out on ObjectDB I hit a problem with my very extensive entity wiring code, which relies on an "external" entity object having a non-null id after it has been passed to EntityManager.persist, thus: ... Id //@GeneratedValue(strategy = GenerationType.AUTO)// Explicit for EclipseLink + Oracle or MySQL @ GeneratedValue //ObjectDB takes as AUTO public Long getId ( ) { ...
