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7

objectdb explorer in ver 2.2 and 1.0

of ObjectDB 1.0 Explorer are not implemented yet in ObjectDB 2.2. This is because ObjectDB 2 was written ... of the Explorer was provided with ObjectDB 2.0. Due to higher priority in handing the new JPA support - improving the Explorer was delayed to ObjectDB 2.3, which is expected to be released in September
Forum
7

persistence.xml classes not respected by ObjectDB

Hi! I have the following persistence.xml. The problem is that ObjectDB loads all the classes in P1 ... name="P1" transaction-type="JTA"> com.objectdb.jpa.Provider
Forum
7

using objectdb.jar in writing data to mariadb or mysql db

and reduce the use of regular sql patterns. Can my application use the objectdb.jar to write to mariadb or mysql using native java JPA API and in some cases JPQL or must i store to an Objectdb unique database? Moreso, does Objectdb have backup tools to back up the singular object database file
Forum
7

Where Does ObjectDB Block/Lock?

.  With my PersistenceManager multiThreaded=true architecture, I desire to know where ObjectDB is actually ... () if optimistic=true? 5) ObjectDB 1.0 Manual (Support > Knowledge Base > ObjectDB 1.0 Manual > 5. JDO ... transactions are preferred."  But, newer version 2.6.8_05 ObjectDB defaults optimistic=true
Manual
7

Chapter 1 - Quick Tour

This chapter demonstrates basic ObjectDB and JPA concepts by introducing a simple example program ... ObjectDB databases and perform basic CRUD operations (Create/Store, Retrieve, Update and Delete) on ObjectDB databases. The example program that this chapter presents manages a simple database
Manual
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Logical Operators in JPQL and Criteria API

expressions out of simple JPQL boolean expressions. Logical Operators ObjectDB supports 2 sets ... , the JDO Query Language). ObjectDB supports both forms. Binary AND (&&) Operator The following query ... and the other operand is either TRUE or NULL, the result is NULL (unknown). ObjectDB supports
Manual
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Shared (L2) Entity Cache

on the client side - ObjectDB manages also several caches on the server side: Cache of database file pages ... The shared (L2) cache is configured in three scopes: Globally in the ObjectDB configuration. Per persistence unit in the persistence.xml file. Per entity class - using annotations. ObjectDB
Tutorial
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Step 1: Create a Java Project

) and click Next. In the Libraries tab, click Add External JARs... and select the objectdb.jar file from the bin subdirectory of the ObjectDB installation directory: Click Finish to create the project ... project with ObjectDB/JPA support. ObjectDB/JPA can also be added to existing projects, by adding
Manual
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What's next?

This chapter introduced the basic principles of using JPA with ObjectDB. You can dive into the details by reading the other chapters of this manual. If you prefer to get started using ObjectDB right ... your own ObjectDB/JPA programs simply by modifying this sample program. Reading the Next Chapters
Forum
7

Again about $temp from objectdb.conf

config) throws ServletException { super.init(config); System.setProperty("objectdb.home",config.getInitParameter("OBJECT_DB_HOME")); // sets $objectdb System.setProperty("objectdb.conf ... of the property? Thank you,   Sandu You can set the temporary directory that ObjectDB uses in