CDI ile JCache Notasyonlarını Kullanalım

public class Person implements Serializable {

    private Long id;
    private String name;
    private String status;

    public Person() {
    }

    public Person(Long id, String name) {
        this.id = id;
        this.name = name;
    }

    public Person(long id) {
        this(id, "Person-" + id);
    }

    // getter, setter metodları


    public void updateStatus() {
        setStatus("Cached " + ThreadLocalRandom.current().nextLong(1, 10000));
    }
}

@CacheDefaults(cacheName = "personCacher")
public class CacheBean {


    @CachePut
    public void put(@CacheKey Long id, @CacheValue Person person) {
        person.updateStatus();
    }

    @CacheResult
    public Person get(@CacheKey Long id) {
        final Person person = new Person(id);
        person.updateStatus();
        return person;
    }

    @CacheRemove
    public void invalidate(@CacheKey Long id) {

    }

    @CacheRemoveAll
    public void invalidateAll() {

    }

}

public class App {

    @Inject
    private CacheBean cacheBean; (3)

    public static void main(String[] args) throws Exception {

        CDI<Object> cdi = CDI.getCDIProvider().initialize(); (1)
        final App app = cdi.select(App.class).get(); (2)

        final CacheBean cacheBean = app.cacheBean;

        print("Put first object in cache");

        // Put cahce id:1,name:Rahman Usta
        cacheBean.put(1L, new Person(1L));

        // Get id:1
        final Person p1 = cacheBean.get(1L);
        print(p1);
        // Get id:1
        final Person p2 = cacheBean.get(1L);
        print(p2);
        // Get id:1
        final Person p3 = cacheBean.get(1L);
        print(p3);

        print("\n******\n");

        print("Put second object in cache");
        cacheBean.put(2L, new Person(2L));

        // Get id:2
        final Person p4 = cacheBean.get(2L);
        print(p4);
        // Get id:2
        final Person p5 = cacheBean.get(2L);
        print(p5);

        print("\n******\n");

        // Invalidate one
        print("Invalidate first object in cache");
        cacheBean.invalidate(1L);

        print(cacheBean.get(1L));
        print(cacheBean.get(2L));

        print("\n******\n");

        // Invalidate all
        print("Invalidate all in cache");
        cacheBean.invalidateAll();

        print(cacheBean.get(1L));
        print(cacheBean.get(2L));

    }


    private static void print(Object object) {
        System.out.println(object);
    }

}

INFO: WELD-ENV-002003: Weld SE container STATIC_INSTANCE initialized
Kas 02, 2015 11:37:44 PM org.jsr107.ri.annotations.DefaultCacheResolverFactory getCacheResolver
WARNING: No Cache named 'personCacher' was found in the CacheManager, a default cache will be created.

Put first object in cache (1)
Person{id=1, name='Person-1', status='Cached 5859'}
Person{id=1, name='Person-1', status='Cached 5859'}
Person{id=1, name='Person-1', status='Cached 5859'}
******
Put second object in cache (2)
Person{id=2, name='Person-2', status='Cached 3832'}
Person{id=2, name='Person-2', status='Cached 3832'}
******
Invalidate first object in cache (3)
Person{id=1, name='Person-1', status='Cached 19'}
Person{id=2, name='Person-2', status='Cached 3832'}
******
Invalidate all in cache (4)
Person{id=1, name='Person-1', status='Cached 9648'}
Person{id=2, name='Person-2', status='Cached 9072'}
Weld SE container STATIC_INSTANCE shut down by shutdown hook