About store

41-50 of 200Refresh
Manual
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Shared (L2) Entity Cache

with new data. CacheStoreMode.USE - new data in 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
Tutorial
14

Step 2: Define a JPA Entity Class

To store objects in an ObjectDB database using JPA we need to define an entity class: Right click on the project in the [Package Explorer] window and select New > Class. Enter tutorial as the package ... that stores and retrieves instances of the Point entity class.
Tutorial
14

Step 2: Define a JPA Entity Class

To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the tutorial package node (in the [Projects] window ... class that stores and retrieves instances of the Point entity class.
Tutorial
14

Step 3: Add a Context Listener Class

The 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
Tutorial
14

Step 3: Add a Context Listener Class

The 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
Tutorial
14

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
Tutorial
14

Step 3: Define a Spring DAO Component

: @PersistenceContext private EntityManager em; // Stores a new guest: @Transactional ... .getResultList(); } } The GuestDao Spring component class defines two methods: persist - for storing a new
Tutorial
14

Step 3: Define an EJB Session Bean

em; // Stores a new guest: public void persist(Guest guest) { em.persist(guest ... two methods: persist - for storing a new Guest entity object in the database. getAllGuests
Tutorial
14

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
Tutorial
14

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