org.infinispan.cdi.remote.RemoteCacheProducer Maven / Gradle / Ivy
package org.infinispan.cdi.remote;
import static org.infinispan.cdi.common.util.Reflections.getMetaAnnotation;
import java.lang.annotation.Annotation;
import java.util.Set;
import jakarta.enterprise.context.ApplicationScoped;
import jakarta.enterprise.inject.Any;
import jakarta.enterprise.inject.Instance;
import jakarta.enterprise.inject.Produces;
import jakarta.enterprise.inject.spi.Annotated;
import jakarta.enterprise.inject.spi.InjectionPoint;
import jakarta.inject.Inject;
import org.infinispan.client.hotrod.RemoteCache;
import org.infinispan.client.hotrod.RemoteCacheManager;
/**
* The {@link RemoteCache} producer.
*
* @author Kevin Pollet <[email protected]> (C) 2011 SERLI
*/
@ApplicationScoped
public class RemoteCacheProducer {
@Inject
private RemoteCacheManager defaultRemoteCacheManager;
@Any
@Inject
private Instance cacheManagers;
/**
* Produces the remote cache.
*
* @param injectionPoint the injection point.
* @param the type of the key.
* @param the type of the value.
* @return the remote cache instance.
*/
@Remote
@Produces
public RemoteCache getRemoteCache(InjectionPoint injectionPoint) {
final Set qualifiers = injectionPoint.getQualifiers();
final RemoteCacheManager cacheManager = getRemoteCacheManager(qualifiers.toArray(new Annotation[0]));
final Remote remote = getRemoteAnnotation(injectionPoint.getAnnotated());
if (remote != null && !remote.value().isEmpty()) {
return cacheManager.getCache(remote.value());
}
return cacheManager.getCache();
}
/**
* Retrieves the {@link RemoteCacheManager} bean with the following qualifiers.
*
* @param qualifiers the qualifiers.
* @return the {@link RemoteCacheManager} qualified or the default one if no bean with the given qualifiers has been
* found.
*/
private RemoteCacheManager getRemoteCacheManager(Annotation[] qualifiers) {
final Instance specificCacheManager = cacheManagers.select(qualifiers);
if (specificCacheManager.isUnsatisfied()) {
return defaultRemoteCacheManager;
}
return specificCacheManager.get();
}
/**
* Retrieves the {@link Remote} annotation instance on the given annotated element.
*
* @param annotated the annotated element.
* @return the {@link Remote} annotation instance or {@code null} if not found.
*/
private Remote getRemoteAnnotation(Annotated annotated) {
Remote remote = annotated.getAnnotation(Remote.class);
if (remote == null) {
remote = getMetaAnnotation(annotated, Remote.class);
}
return remote;
}
}