About JBoss AS

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Manual
3

Entity Management Settings

the persistence context of the EntityManager (which serves as a first level cache). The valid values are "weak ... ") specifies if lazy loading of entity objects content is enabled. Instantiating entity objects as hollow ... is "true" or "false") specifies if serialization should be used as a fallback persisting method
Manual
3

JPA Query Structure (JPQL / Criteria)

rather than just field values from database tables, as with SQL. That makes JPQL more object oriented friendly and easier to use in Java. JPQL Query Structure As with SQL, a JPQL SELECT query also consists ... elements such as names of entity classes and persistent fields, which are case sensitive. In
Manual
3

Auto Generated Values

this annotation for non-key numeric persistent fields as well. Several different value generation strategies can be used as explained below. The Auto Strategy ObjectDB maintains a special global ... for entity objects with no primary key fields defined (as explained in the previous section). The same
Tutorial
3

Step 2: Entity Class and Persistence Unit

) and selecting New > Class. Enter guest as the package name - use exactly that case sensitive package name. Enter Guest as the class name - use exactly that case sensitive class name. Click Finish ... and clicking Next). Select the project src folder as a parent folder, enter META-INF as a new folder
Issue
3

ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection

console app for NetBeans8.1 provided, as explained below). To reproduce download the app and unpack ... as owner project.addOwnedElement(model); Element example = new Element ... .java:822) at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:608) at org.jboss.weld.ejb
Tutorial
3

Step 7: Run the Spring Web App

the content of the index.jsp file (which serves as the default front page) with the following redirection to the controller path: If Tomcat 6.0 is installed as ... the [Project Explorer] window), selecting Run As > Run on Server, selecting the Tomcat 6.0 server
Manual
3

Paths and Types in JPQL and Criteria API

as arguments. Path expressions that navigate from one object to another. Instances of user defined ... , however, is valid even if the persistent field is declared as private (which is usually the case). Navigation ... over all the Country objects in the database. For a country with no capital city, such as Nauru, c.capital
Manual
3

Database Management Settings

the background, a soon as new indexes are detected, in order to activate these new indexes. The priority attribute specifies the speed of the index building background process as a number between 10 and 70, indicating processing rate between 10% to 70% of the maximum database writing rate. As soon as
Manual
3

DELETE Queries in JPA/JPQL

As explained in chapter 2, entity objects can be deleted from the database by: Retrieving ... a separate EntityManager for DELETE queries. As with any operation that modifies the database, DELETE ... variable DELETE FROM Country AS c  // AS + an optional variable ObjectDB supports using the java.lang
Manual
3

Online Backup

), since an ObjectDB database is stored as an ordinary file in the file system.  ObjectDB 2.1 ... . This is useful in applications that provide round the clock service (24/7/365) such as most web ... of the ObjectDB home directory location. Notice that if the target argument is specified as a java.io.File