About parameters


JPQL Case Statements (JPA 2.0)

JPQL 2.0 adds support of CASE statements in queries for conditional expressions (similar switch/case/default in Java), following the SQL syntax. Case statements are currently not supported by ObjectDB. JPA Feature Version: 1.04 Priority: Normal Status: Active Replies: 1 Type:  JPA Feature ...


InternalException - reporting as requested

[ObjectDB 2.5.5_05] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) 64-Bit Server VM 1.8.0_05 (on Linux 3.13.0-29-generic). Please report this error on http://www.objectdb.com/database/issue/new com.objectdb.o.InternalException: java.lang.NullPointerException: null java.lang.NullPointerException at com.objectdb.o.QNF.I(QNF.java:1306) at com.objectdb.o.QNF.k(QNF.java:315) at com.objectdb.o.QNF.H(QNF.java:1264) at com.objectdb.o.QNF.k(QNF.java:210) at com.objectdb.o.QNF.t(QNF.java:611)... you describe the query? How did you define the parameters? ObjectDB Support ObjectDB - Fast ...



Sets the detachAllOnCommit setting.(Method of javax.jdo.PersistenceManager)



Make a Collection of instances non-transactional after commit.(Method of javax.jdo.PersistenceManager)


getDeclaredMap(name, keyType, valueType)

Return the Map-valued attribute declared by the managed type that corresponds to the specified name and Java key and value types.(Method of javax.persistence.metamodel.ManagedType)



Constructs a new JDOUnsupportedOptionException with the specified detail message.(Constructor of javax.jdo.JDOUnsupportedOptionException)


evictAll() behavior

I'm writing a multi-user drawing tool, using objectdb as the central store.  When a user press F5, I want to pick up all the changes from the database.  So, I call evictAll() in the following ways: pmf.getDataStoreCache().evictAll();  // the factory pm.evictAll();                                 // the persistence manager A couple of questions about this: 1. the first evictAll() seems to be clearing the L2 cache -- is this correct 2. the evicts only work when they are done inside a transaction -- is this specified in the JDO spec?... with a transaction active, the refreshAll method with no parameters causes all transactional instances to be refreshed. If a ...


JDOObjectNotFoundException(msg, nested)

Constructs a new JDOObjectNotFoundException with the specified detail message and nested Throwables.(Constructor of javax.jdo.JDOObjectNotFoundException)


ObjectDB Object Database Features

ObjectDB provides a rich set of features, many of them as the result of supporting the JPA and JDO APIs.... and XML. Query parameters for efficient reuse of one query in multiple executions. ...



Defines the values of the javax.persistence.lock.scope property for pessimistic locking.(Enum of JPA)