About embedded

forum_thread

Eclipse Browser

Request for an eclipse browser plugin. Ideally this plugin would allow read-only access to embedded databases.... Ideally this plugin would allow read-only access to embedded databases. edit ...

 
manual

JPA Named Queries

Explains how to define and how to run JPA named queries. A named query is a statically defined query with a predefined unchangeable query string. Using named queries instead of dynamic queries may improve code organization by separating the JPQL query strings from the Java code. It also enforces the ...

 
manual

Database Replication and Clustering

Replication enables maintaining up to date version of an ObjectDB database on multiple nodes.... server . Any ObjectDB database on any server (but not in embedded mode) can function as a master database in a cluster.  Recording ...

 
forum_thread

100% CPU when using multiple BETWEEN

Hi, we are evaluating ObjectDB 2.5.1_03 in embedded mode. We have a DB of about 2800 instances of a class that has two java.lang.String members: toExtension and fromExtension. There are other members in the class, but not relevant to the problem.   A query like this cause the java process to start running at 100% CPU (endless loop) and it never recovers: ... Hi, we are evaluating ObjectDB 2.5.1_03 in embedded mode. We have a DB of about 2800 instances of a class that has ...

 
tutorial

Step 3: Create an ObjectDB Data Source

Explains how to create an ObjectDB data source for BIRT reports.... Specify an ObjectDB connection url - either embedded (e.g. c:\points.odb ) or client-server (e.g.  ...

 
forum_thread

KEY() / VALUE() not recognized in JPQL??

Hi! Explorer says "unexpected token" on KEY(..: SELECT FROM individual.IndividualContact $1 LEFT OUTER JOIN $1.profile.title.name m WHERE (KEY(m) = 'deu' AND VALUE(m) LIKE '%Dr%') profile = embedded entity title = referenced entity name = Map<String, String>   thanks, Alex ... m ) LIKE '%Dr%' ) profile = embedded entity title = referenced entity name = Map<String, ...

 
forum_thread

NullPointerException in ENH.g(ENH.java:401)

Hi, I experience a NullPointerException inside the objectdb code with the following stacktrace: ... collection of other entity classes. We use objectdb in embedded mode and this error seems to happen after a few ungraceful shutdowns ...

 
faq

Is ObjectDB scalable? What are its limitation?

... and even Terabytes. ObjectDB can be used in small embedded single user applications as well as in heavy loaded multi threaded ...

 
api-jdo

PersistenceCapable.embeddedOnly

Whether objects of this class or interface can only be embedded.(Annotation Element of javax.jdo.annotations.PersistenceCapable)

 
forum_thread

How to start a objectdb server with new Daemon (without blocking the thread)??

I am planning to use objectdb+jetty on Google compute engine server for my next project. But it seemed starting the server will block my thread. Any instruction to avoid thread blocking?    ... 12:39 Consider using embedded mode, which is faster, and does not require running a server. ...