21 | 2.5.3_02: java.lang.UnsupportedOperationException) at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:582) at org.jboss.weld.ejb ... .invoke(Method.java:606) at org.jboss.weld.util.reflection.Reflections.invokeAndUnwrap(Reflections.java:396) at org.jboss.weld.bean.proxy.EnterpriseBeanProxyMethodHandler.invoke |
5 | FROM clause (JPQL / Criteria API) over all the Country objects in the database: SELECT c FROM 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, the name ... pair of countries that do not share a border, returning as results only neighboring countries |
4 | JPA Persistable Types can be stored in the database directly. Other persistable types can be embedded in entity classes as fields ... a class as an entity is to mark it with the Entity annotation: import javax.persistence.Entity ... user defined class (but not system classes, such as ArrayList) and implement any interface |
4 | objectdb-2.6.9_06: Extended Persistence Context fails: 'Attempt to begin a new transaction when a transaction is active' entity wiring methods: As simplified here to demonstrate the problem: @Singleton @Startup public ... one wishes to build, but it's not an ideal solution. It works (for now) as a workaround ... a transaction such as buildProject() causes with ObjectDB 2.6.9_06 the same error as initially reported |
4 | Privacy Policy our Service or parts of our Service. Company (referred to as either "the Company", "We", "Us" or "Our" in ... the Service such as a computer, a cellphone or a digital tablet. Personal Data is any information ... is accessing or using the Service, as applicable. Collecting and Using Your Personal Data Types |
4 | Strings in JPQL and Criteria QueriesString values may appear in JPQL queries in various forms: as string literals - e.g. 'abc', ''. as parameters - when string values are assigned as arguments. as path expressions - in navigation to persistent string fields. as results of predefined JPQL string manipulation functions. LIKE - String |
0 | [ODB1] Chapter 3 - Persistent Classes. The JDO specification refers to persistent classes as persistence capable classes. 3.1 Persistent ... and can have only transient objects as instances. To become persistent, a class has to: be declared ... automatically, as explained in section 3.3. ObjectDB's JDO Enhancer also adds a no-arg constructor |
0 | [ODB1] Chapter 9 - ObjectDB Explorer databases. 9.1 Running the Explorer The Explorer is a pure Java GUI application. It is shipped as ... can be specified as an argument to explorer.exe during startup. For instance: > explorer.exe ... queries in the Explorer, as discussed below. Finally, the "Thread" window, unlike |
0 | [ODB1] Chapter 2 - A Quick Tour 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 ArrayList instance ... the database in a finally block, as demonstrated in the next sample program, to ensure database |
0 | [ODB1] Chapter 5 - JDO Connections environment for using JDO. Explanations on how to use this environment to do database operations, such as ... . Both PersistenceManagerFactory and PersistenceManager are defined as JDO interfaces, not as classes ... Properties can also be specified in a file, as demonstrated by the following properties file: javax.jdo |
