9 | Chapter 1 - Quick Tour ObjectDB databases and perform basic CRUD operations (Create/Store, Retrieve, Update and Delete ... , that hold the point's x and y coordinates. The program demonstrates CRUD database operations by storing |
9 | Shared (L2) Entity Cache with new data. CacheStoreMode.USE - new data is stored in the cache - but only for entity objects that are not in the cache already. CacheStoreMode.REFRESH - new data is stored in the cache - refreshing |
9 | Online Backup), since an ObjectDB database is stored as an ordinary file in the file system. ObjectDB supports ... and will be stored on the client machine. Alternatively, the backup target could be specified as a String value |
1 | Step 4: Add a Servlet Class) - a new Guest entity object is constructed and stored in the database. All the Guest entity objects are retrieved from the database and stored in the request's "guest" attribute. Then the processing |
1 | Step 3: Define a Spring DAO Component connection: @PersistenceContext private EntityManager em; // Stores a new guest ... - for storing a new Guest entity object in the database. getAllGuests - for retrieving all the existing |
1 | Step 3: Add a Context Listener ClassThe Guest entity objects will be stored in an ObjectDB database, which will be represented by a JPA's EntityManagerFactory instance with a global application scope. We have to register ... the entity class and creates an EntityManagerFactory instance and stores it as an application scope |
1 | Step 4: Add a Servlet Class that will be added in the next tutorial step) - a new Guest entity object is constructed and stored in the database. All the Guest entity objects are retrieved from the database and stored in the request's "guest |
1 | Step 4: Add a Servlet Class that is shown in the next tutorial step) - a new Guest entity object is constructed and stored in the database. All the Guest entity objects are retrieved from the database and stored in the request's |
1 | Step 3: Define an EJB Session Bean: @PersistenceContext private EntityManager em; // Stores a new guest: public void persist(Guest guest ... bean (EJB) class defines two methods: persist - for storing a new Guest entity object in |
1 | Step 3: Add a Context Listener ClassThe Guest entity objects will be stored in an ObjectDB database, which will be represented by a JPA's EntityManagerFactory instance with a global application scope. We have to register ... instance and stores it as an application scope attribute in the servlet context - when the web application |
