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JPA Doc
3

getPersistenceUnitRootUrl()

Method javax.persistence.spi.PersistenceUnitInfo URL getPersistenceUnitRootUrl() Returns the URL ... is rooted in the WEB-INF/classes directory, this will be the URL of that directory.) The URL will either be a file: URL referring to a jar file or referring to a directory that contains an exploded jar
Forum
3

Eclipse plugin problem (using ObjectDB as a separate bundle)

.callsite.AbstractCallSite.call(AbstractCallSite.java:112) at com.epimss.lab.db.Connection.store(Connection.groovy:261) at com.epimss.lab.ui.toxicology.TherapeauticDrugScreenRqstWizard.performFinish ... .getRequestDateAndNumber() );             new Connection( ISharedPreference.DB_OBJECTDB, "admin", "admin
Manual
3

Database Server

.Server -conf my_objectdb.conf start The TPC/IP port on which the server listens for new connections
FAQ
3

Is ObjectDB scalable? What are its limitation?

. Up to 9,223,372,036,854,775,808 entity objects per database file. Unlimited database connections (limited by operating system resources).
Tutorial
3

Step 3: Define a Spring DAO Component

connection: @PersistenceContext private EntityManager em; // Stores a new guest
Tutorial
3

Step 3: Define a Spring DAO Component

.annotation.Transactional; @Component public class GuestDao { // Injected database connection
Tutorial
3

Step 3: Define an EJB Session Bean

class GuestDao { // Injected database connection: @PersistenceContext private EntityManager
Tutorial
3

Step 3: Define an EJB Session Bean

; @Stateless public class GuestDao { // Injected database connection
Result
3

Eclipse Public License - v 1.0

Contributor in connection with its distribution of the Program in a commercial product offering
Manual
3

CRUD Database Operations with JPA

Given an EntityManager, em, that represents a JPA connection to the object database, we can use it to store, retrieve, update and delete database objects. Storing New Entity Objects The following code fragment stores 1,000 Point objects in the database: em.getTransaction().begin(); for (int i