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Drop the entire database, Change the schema

I am trying to port and example app to ObjectDb. As part of the tests I drop the database and reload it with the new schema automatically between test cycles. Is there a simple way to do this with ObjectDb, or is the only way to delete the database file everytime? Thanks #1 2011-08-24 12:19 I am trying to port and example app to ObjectDb. As part of the tests I drop the database and reload it with the ...

 
release

2.3.4

Release date: 2011-11-25 Download (5.49 MB) Binary:  objectdb-2.3.4.zip You should start by following a  tutorial or reading the manual ...

 
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Replication error on slave restart

I'm trying to enable replication on master server that was running with "recovery" enabled previously. I have copied database file to slave... and so on by manual. It worked fine. But if I restart slave server: ... with the attached files. The Slave directory contains a database file (sm.odb) with 4 entity classes, 5 embeddable classes and 108 entity objects. The master directory contains an empty database file (sm.odb) with no classes and no objects. ...

 
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Compress ODB file with XML content

Harman company requested to reduce ODB size as much as possible after database created and one of unliked solution was to use ZIP/UNZIP after/before use object DB database. Harman would like to ask Object Db team about possible internal methods to reduce/compress object DB data on run-time or after close ODB file. Does exist any compress data solution from ObjectDB side? ... in entity class  LogVolatileEntityImpl , which contains XML with a very high compression potential. Do you use that field in ...

 
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Performance in large transactions

Hello, we have a performance problem when we use a large transaction. Let's do exactly the same in several transactions the ObjectDB works much faster. In our use case, we create many new entities and between the creations we call a select query. The execution of the query becomes slower at each iteration. (In the query, we search for an item of type Entity2. However, there is only one entity.)   Pseudocode for the fast and the slow solution FAST: #1 2015-03-03 15:07 Hello, we have a performance problem when we use a large transaction. Let's do exactly the same i ...

 
tutorial

Step 5: Add a JSP Page

Explains how to add a JSP to an Eclipse Spring MVC JPA web application project.... The JSP generates the guestbook page output, which contains a simple form for signing the guestbook, followed by a list of all the ...

 
release

2.3.3

Release date: 2011-11-10 Download (5.49 MB) Binary:  objectdb-2.3.3.zip You should start by following a  tutorial or reading the manual ...

 
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Unable to persist fields in subclass

I have a superclass Person, with several fields I have a subclass Patient with additional fields. I can persist Patient, but CANNOT persist the fields in this subclass. Why is this? example code: package miscTests; import javafx.beans.property.SimpleStringProperty; import javafx.beans.property.StringProperty; import javax.persistence.Access; import javax.persistence.AccessType; import javax.persistence.MappedSuperclass; ... } Using Explorer, I can see the schema contains: addressID, contactID, lastName (all from superclass) but not: ...

 
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Update Entity references if we change the type of an entity

Hello, we must change (extend) our entity model and therefor we convert the type of some entities. As example (like in the attached example): We have an EntityA that have a reference to an EntityB. #1 2017-03-17 09:34 Hello, we must change (extend) our entity model and therefor we convert the type of some entities. ...

 
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Date field Index is corrupted due to time change

Hi, can you shed some light on why we cannot delete data from the attached DB file. A delete attempt with DB explorer results in the following exception: ... Thank you for making a build that contains the fix available. We will test. However, can you give us a a ...