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Entity factory - best practices

one every time. Out of curiosity, is my current method thread-safe? Can multiple entity managers exist at the same time? Flying Banana Jiacong Xu Creating multiple EntityManagerFactory instances is thread safe

java.lang.ClassCastException in OSGi runtime when loading data from DB

how I should get this working when I have multiple bundles using objectdb (e.g. Person, Buildings ... alexweirig Alex Weirig Some ObjectDB users make extensive use of OSGi with ObjectDB including multiple

Query in JPA2 with LEFT JOIN on INNER JOIN

left join action_profile ap9 on ap9.id_action=a.id and ap9.id_profile=9; How to specify multiple conditions on left join ? faber Faber You cannot specify multiple conditions on left join in JPQL

ObjectDB embeddable Springboot

Hi I have not seen, cursory search was not informative, if odb can be embedded like derby. How does odb handle byte[]. How do you create multiple dbs. Finally is there a gui to examine the schema ... ). > How do you create multiple dbs. See this documentation page. > Finally is there a gui to examine the schema? Yes. The Explorer. support Support

How to open a running db in ObjectDB Explorer?

multiple processes (embedded mode supports concurrently only within a JVM, i.e. multithreading, but not ... embedded mode, client server mode supports accessing a database concurrently from multiple processes

Performance tuning, best practices

user with that specific operation? ObjectDB can use multiple cores to serve concurrent requests from different users, and also tries to use multiple cores for a single request, but the later

how to operate with same object but two different Thread on database.

Bimal kumar dalei Usually multithreading with JPA involves multiple EntityManager instances ... database object is represented by multiple separate memory objects in different entity managers

Activation Issue

your site license to generate multiple activation codes. You may also specify multiple activation codes in

Internal error

of one PersistenceManager by multiple threads and / or other PersistenceManager instances. You wrote: > Both threads ... cause of this exception is sharing entity objects of one PersistenceManager by multiple threads and / or

objectdb.home for client/server

where our object db home is located at as we might have multiple server instances running on multiple

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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