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11

Possible issue with timestamps

");         EntityManager em = emf.createEntityManager();              Calendar cal1 = new GregorianCalendar(2012, Calendar.MARCH, 29, 0, 5); //fives after midnight         Calendar cal2 = new GregorianCalendar(2012, Calendar.MARCH, 29, 0, 10); //ten after midnight         Calendar cal3 = new GregorianCalendar(2012
3

javax.persistence.PersistenceException

. Since: JPA 1.0 PersistenceException() Constructs a new PersistenceException exception with null as its detail message. Constructs a new PersistenceException exception with null as its detail message. Since: JPA 1.0 PersistenceException(String message) Constructs a new PersistenceException exception
3

java.lang.Exception

to catch. Since: Java JDK1.0 See Also: java.lang.Error Exception() Constructs a new exception with null as its detail message. Constructs a new exception with null as its detail message. The cause is not ... Exception(String message) Constructs a new exception with the specified detail message. Constructs a new
2

javax.persistence.EntityManager

). Parameters: name - the name of a query defined in metadata Returns: the new query instance Throws ... resultClass - the type of the query result Returns: the new query instance Throws: IllegalArgumentException ... ., for update or delete. Parameters: sqlString - a native SQL query string Returns: the new query instance
2

javax.persistence.TransactionRequiredException

but is not active. Since: JPA 1.0 TransactionRequiredException() Constructs a new TransactionRequiredException exception with null as its detail message. Constructs a new TransactionRequiredException ... message) Constructs a new TransactionRequiredException exception with the specified detail message
2

javax.persistence.NonUniqueResultException

() Constructs a new NonUniqueResultException exception with null as its detail message. Constructs a new ... NonUniqueResultException(String message) Constructs a new NonUniqueResultException exception with the specified detail message. Constructs a new NonUniqueResultException exception with the specified detail message
2

javax.persistence.NoResultException

.getSingleResult() TypedQuery.getSingleResult() NoResultException() Constructs a new NoResultException exception with null as its detail message. Constructs a new NoResultException exception with null as its detail message. Since: JPA 1.0 NoResultException(String message) Constructs a new NoResultException
2

javax.persistence.EntityNotFoundException

) EntityNotFoundException() Constructs a new EntityNotFoundException exception with null as its detail message. Constructs a new EntityNotFoundException exception with null as its detail message. Since: JPA 1.0 EntityNotFoundException(String message) Constructs a new EntityNotFoundException exception
2

javax.persistence.EntityManagerFactory

createEntityManager() Create a new application-managed EntityManager. Create a new application-managed EntityManager. This method returns a new EntityManager instance each time it is invoked. The isOpen ... createEntityManager(Map map) Create a new application-managed EntityManager with the specified Map
0

javax.jdo.JDOReadOnlyException

-only". Since: JDO 2.2 JDOReadOnlyException() Constructs a new JDOReadOnlyException without a detail message. Constructs a new JDOReadOnlyException without a detail message. Since: JDO 2.2 JDOReadOnlyException(String msg) Constructs a new JDOReadOnlyException with the specified detail message

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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