17 | JPA Metamodel API(); If managed classes are not listed in the persistence unit (which is optional when using ObjectDB ... can also be used with types that are still unknown to ObjectDB (not listed in the persistence unit ... The JPA Metamodel API provides the ability to examine the persistent object model and retrieve |
17 | Posting Sample Code not contain a persistence unit, An entity or IdClass class should implement the java.io.Serializable interface). ... (preferred over JUnit). Use embedded mode to connect to the ObjectDB database directly (no persistence unit). Keep the test as simple as possible - remove unnecessary code (but keep it complete |
16 | Company persistence solution for Java, based on the Java Persistence API (JPA) and the Java Data Objects (JDO ... Ltd Unit 632 37 Westminster Buildings Theatre Square Nottingham NG1 6LG United Kingdom +44 (0) 330 |
15 | Setting and Tuning of JPA Queries to local): For the entire persistence unit - using a persistence.xml property: <properties ... Hints ObjectDB supports the following query hints: "javax.persistence.query.timeout" - sets maximum ... . "javax.persistence.lock.timeout" - sets maximum waiting time for pessimistic locks, when pessimistic |
14 | Locking in JPA can be set in several scopes: For the entire persistence unit - using a persistence.xml property: <properties> <property name="javax.persistence.lock.timeout" value="1000"/> </properties ... occurs a LockTimeoutException is thrown immediately. The "javax.persistence.lock.timeout" hint |
12 | Persistence()Constructor javax.persistence.Persistence Persistence() Since: JPA 1.0 |
12 | Persistence.PERSISTENCE_PROVIDERStatic Field javax.persistence.Persistence String PERSISTENCE_PROVIDER Deprecated. This final String is deprecated and should be removed and is only here for TCK backward compatibility Since: JPA 1.0 |
2 | Step 2: Define a JPA Entity Class that a persistence unit definition in an XML file is missing. This is discussed in the ObjectDB Manual ... code: package guest; import java.io.Serializable; import java.sql.Date; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.Id; @Entity public |
2 | Step 2: Define a JPA Entity Class.Serializable; import javax.persistence.*; @Entity public class Point implements Serializable ... is an ordinary Java class. The warning that NetBeans displays on the Guest class indicates that a persistence unit definition in an XML file is missing. This is discussed in the ObjectDB Manual |
1 | javax.jdo.JDOHelper PersistenceManagerFactory or persistence unit. Returns a named PersistenceManagerFactory or persistence unit. Parameters ... PersistenceManagerFactory or persistence unit. Returns a named PersistenceManagerFactory or persistence ... loader) Returns a named PersistenceManagerFactory or persistence unit. Returns a named |
