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2.5.3_02: java.lang.UnsupportedOperationException

( at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke ... ( at java.lang.reflect.Method.invoke( at org.jboss.weld.util.reflection.Reflections.invokeAndUnwrap( at org.jboss.weld.bean.proxy

FROM clause (JPQL / Criteria API)

Country AS c The AS keyword is optional, and the same query can also be written as follows: SELECT c FROM Country c By default ... pair of countries that do not share a border, returning as results only neighboring countries.

JPA Persistable Types

can be embedded in entity classes as fields. In addition ... a class as an entity is to mark it with the Entity annotation:as ArrayList) and implement any interface. It can contain constructors

objectdb-2.6.9_06: Extended Persistence Context fails: 'Attempt to begin a new transaction when a transaction is active'

persistence and simpler entity wiring methods: As simplified here to demonstrate the problem ... >as a workaround (only) for the purposes of my main real-world project - which means ... a transaction such as buildProject() causes with ObjectDB 2.6.9_06 the same error as initially reported

Privacy Policy

 (referred to as either "the Company", "We", "Us" or "Our" in this Agreement) refers ... >Device means any device that can access the Service such as a computer, a cellphone or ... , as applicable. Collecting and Using Your Personal Data Types

Strings in JPQL and Criteria Queries

String values may appear in JPQL queries in various forms: as  ... >, ''. as parameters - when string values are assigned as arguments. as path expressions

[ODB1] Chapter 3 - Persistent Classes

objects or transient instances. The JDO specification refers to persistent classes as and can have only transient objects as instances. To become persistent, a class ... implementation automatically, as explained in section 3.3. ObjectDB's

[ODB1] Chapter 9 - ObjectDB Explorer

> The Explorer is a pure Java GUI application. It is shipped as an executable jar that will run ... addition, any JVM argument can be specified as an argument to explorer.exe during startup. For instance ... queries in the Explorer, as discussed below. Finally, the "Thread" window, unlike

[ODB1] Chapter 2 - A Quick Tour

String instances. ObjectDB, as a pure object database, can simply store a memory data structure in the database as is. If the database is not empty (not the first run), a previously stored ... ). Usually, it is best to close the database in a finally block, as demonstrated in

[ODB1] Chapter 5 - JDO Connections

for using JDO. Explanations on how to use this environment to do database operations, such as storing ... >Both PersistenceManagerFactory and PersistenceManager are defined as JDO interfaces, not as classes. Every JDO implementation, including ObjectDB, defines classes that implement