17 | Java 8 time APIJava 8 time API |
3 | Literals in JPQL and Criteria Queries are more generic and efficient because they can be compiled once and then run many times with different parameter ... ), a feature that is not currently supported by all JPA implementations. String Literals JPQL follows ... equivalent. Date and Time Literals JPQL follows the syntax of SQL and JDBC for date literals: Date - {d |
3 | ObjectDB Website - Terms and Conditions of Use of these restrictions and may be terminated by ObjectDB Software at any time. Upon terminating your viewing ... of the materials on its web site are accurate, complete, or current. ObjectDB Software may make changes to the materials contained on its web site at any time without notice. ObjectDB Software does |
3 | Database Explorer it from the command line as follows: > java -jar explorer.jar If explorer.jar is not in the current ... to close a currently open database connection. Viewing Database Content Viewer Windows The Explorer ... ] tabbed window or an object in a currently open Table or Tree window). You can open a new viewer |
2 | Query Parameters in JPA with different parameter values to retrieve different results. Running the same query multiple times ... multiple times in the query string. A query can be run only after setting values for all its parameters ... for more details. Parameters vs. Literals Following is a third version of the same method, this time |
2 | JPA / JDO Class Enhancer.Enhancer If objectdb.jar is not in the current directory a path to it has to be specified. Alternatively ... enhancement ANT tasks. Load Time (Java Agent) Enhancement Instead of enhancing classes during build ... , however, it is recommended to integrate the enhancement in the build process. To use load time enhancement in web |
2 | Locking in JPA object. The initial version of a new entity object (when it is stored in the database for the first time ... another EntityManager) since it was retrieved by the current updater. Optimistic locking ... another EntityManager instance) currently holds a PESSIMISTIC_WRITE lock on that database object. A PESSIMISTIC |
2 | Retrieving JPA Entity Objects. Therefore, it is recommended to avoid unnecessary time consuming operations in no-arg constructors ... specifying FetchType.LAZY in either @OneToOne or @ManyToOne annotations (currently ObjectDB does not ... in @OneToMany or @ManyToMany annotations (currently ObjectDB does not distinguish between |
0 | [ODB1] Chapter 9 - ObjectDB Explorer of that object. Select an object in a currently open table or browser viewer to explore it in a new ... " command switches the current viewer to focus on the selected object. A double click on the target element ... of the result collection and the query execution time are displayed on the query form. If the query |
0 | javax.jdo.JDOEntityManager if the instance is a managed entity instance belonging to the current persistence context. Check if the instance is a managed entity instance belonging to the current persistence context. Parameters: entity ... is already deleted in the current transaction. This method throws JDOUserException if the instance is transient |
