About configuration

api-jpa

JPA Annotations for Classes

Reference (JavaDoc) of JPA 2 class annotations, including @Entity, @Embeddable, @IdClass, @Cacheable, @EntityListeners, etc. JPA defines three types of persistable classes which are set by the following annotations: javax.persistence.Embeddable javax.persistence.Entity javax.persistence.MappedSuperclass Chapter 2 of the Obje ...

 
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Managing software release cycles.

How do you manage software release cycles with objectDB? For example we might have different installation of a given web application, and we might need to introduce new fields with default values or to change something in the database "structure".  How can we apply the update script without downloading the entire DB file? Are there any command line tools like sqlPlus to connect to a DB and execute queries / scripts? ... changes are either fully automatic or can be defined by configuration. In some cases you may have to write code. You can use ...

 
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Getting com.objectdb.o.UserException:

I am using the object db version 2.x in a web application that runs on tomcat4. I am using the default configuration file. ... application that runs on tomcat4. I am using the default configuration file. I am getting the follwing error when I launch the ...

 
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ObjectDB version 2.3 has been released

ObjectDB 2.3 has been released and it includes important additions and fixes: ... Fixed evaluation of $temp in the configuration file. ObjectDB Support ...

 
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ObjectDB Explorer Exposes Username and Password

How can I prevent my database username and password from being exposed by ObjectDB Explorer? ... If I understand correctly, if someone were to remove the configuration file, the username and password would again be exposed. My ...

 
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Bidirectional OneToMany is slow on updated items

Hello, I have a problem with the following situation. I insert persons with addresses. In the first run, they are all new with a new address. It runs fast. In the second run, the persons are all loaded and got a second address. This seams to be much slower. The Entities are all enhanced by the javaagent (which you can see in the contained eclipse launch configuration) Is there any way to speed it up?       ... (which you can see in the contained eclipse launch configuration) Is there any way to speed it up?   ...

 
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ID format in objectdb 2.x for JDOHelper.getObjectId

Hi, I am trying to upgrade the objectdb from 1.x to 2.x. I installed and configured as per object db tuotrial. I am just wondering, in objectdb 1.x, when i am tring to get the object id for a persistable object, i am getting an integer as a result e.g Object obj = JDOHelper.getObjectId(logTestRunImpl) used to return suppose 1 obj.toString() = 1 but the same code when i am trying to execute for the same object in object db 2.x, i am getting #1 2012-07-23 11:27 Hi, I am trying to upgrade the objectdb from 1.x to 2.x. I installed and configured as per object db tuot ...

 
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Adding multi part path index on non-embedable object member

Is there a way to add single member index on members of a object member which is not configured embedable but is/are mapped by id like the two members below.  @Entity public class Customer {     @MapsId     @ManyToOne(fetch = FetchType.LAZY)     private Merchant merchant;       @MapsId     @ManyToOne(fetch = FetchType.LAZY)     private List<Store> stores;     // Setter/Getter #1 2014-10-17 07:08 Is there a way to add single member index on members of a object member which is not configured embedable but is/ ...

 
api-jdo

Constants.ELEMENT_PERSISTENCE_MANAGER_FACTORY

The name of the persistence manager factory element in the JDO configuration file.(Static Field of javax.jdo.Constants)

 
api-jdo

getPersistenceManagerFactory(propsFile)

Returns a PersistenceManagerFactory configured based on the properties stored in the file at propsFile.(Static Method of javax.jdo.JDOHelper)