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Manual
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JPA Persistence Unit

is optional when using ObjectDB, but required by JPA. persistence.xml Persistence units are defined in a persistence.xml file, which has to be located in the META-INF directory in the classpath ... to instantiate an EntityManagerFactory in JPA (as explained in the JPA Overview section) requires
Manual
9

Database Replication and Clustering

, the same database is managed on multiple machines (nodes), possibly in different geographic locations. This could help in achieving high availability, fault tolerance and prompt disaster recovery. In ... / Write operations. The other (slave) nodes in the cluster manage identical copies of the same database
Result
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ObjectDB Object Database Features

/IP). Secure Client-Server mode (SSL over TCP/IP). In process embedded database mode. Capabilities ... ). Standard Persistence APIs ObjectDB is the only Object-Oriented Database with built in support ... features is in progress - see issue tracking (requires login). Java Data Objects (JDO) Complete JDO 2
Result
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Privacy Policy

to your computers hard drive in order to track and monitor your engagement and usage of the website ... and stored securely until a time it is no longer required or has no use, as detailed in the Data ... about the products / services they offer or to assist you in answering any questions or queries
Manual
9

Auto Generated Values

for entity objects with no primary key fields defined (as explained in the previous section). The same ... and are never recycled, as explained in the previous section. The Identity Strategy The IDENTITY strategy ... and using the named sequence in one or more fields in one or more classes. The @SequenceGenerator
Issue
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Explorer bug ? Objects seem to be missing from database in Class view, but are present as references

.Source [null](TEST: a 2nd source in (1st project)) INFO: RequestBean []: Persisted: com.greensoft.entity.Source [4](TEST: a 2nd source in (1st project)) INFO: RequestBean []: Created: com.greensoft.entity.Source [null](TEST: a 3rd source (in 2nd project)) INFO: RequestBean []: Persisted: com.greensoft
Manual
8

Online Backup

while the database is offline (i.e. when it is not open in an ObjectDB server and not in use by any application), since an ObjectDB database is stored as an ordinary file in the file system.  ObjectDB 2.1 introduces support of online backup, which enables backing up an ObjectDB database while it is in use
Manual
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Chapter 6 - Configuration

> Each one of these seven configuration elements is explained in a separate section: This page explains how ObjectDB configuration works in general. The Configuration Path By default ... from the location of the objectdb.jar file. It is defined as the path to the directory in
Manual
8

JPA Metamodel API

 (which are referred to as managed types) in the persistent object model. Three methods can be used ... (); If managed classes are not listed in the persistence unit (which is optional when using ObjectDB ... are already stored in the database. Three additional methods can be used to retrieve a specific type by its Class
Manual
8

Schema Update

The configuration element supports renaming packages, classes and fields in ObjectDB databases as a complementary operation to renaming or moving these elements in the IDE during source code refactoring. Only these schema changes are specified in the configuration file. As explained in