cloud.piranha.extension.eclipselink.EntityManagerProducer Maven / Gradle / Ivy
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package cloud.piranha.extension.eclipselink;
import static java.util.stream.Collectors.toMap;
import java.util.Arrays;
import java.util.Map;
import jakarta.enterprise.inject.Produces;
import jakarta.enterprise.inject.spi.Annotated;
import jakarta.enterprise.inject.spi.AnnotatedParameter;
import jakarta.enterprise.inject.spi.InjectionPoint;
import jakarta.persistence.EntityManager;
import jakarta.persistence.PersistenceContext;
import jakarta.persistence.PersistenceProperty;
/**
* This producer takes care of providing a bean to inject for the PersistenceContext annotation.
*
* @author Arjan Tijms
*
*/
public class EntityManagerProducer {
/**
*
* @param injectionPoint the injectionPoint
* @return EntityManager
*/
@Produces
public EntityManager produce(InjectionPoint injectionPoint) {
Annotated annotated = injectionPoint.getAnnotated();
if (annotated instanceof AnnotatedParameter annotatedParameter) {
annotated = annotatedParameter.getDeclaringCallable();
}
PersistenceContext persistenceContext = annotated.getAnnotation(PersistenceContext.class);
return new PiranhaEntityManager(
persistenceContext.unitName(),
persistenceContext.type(),
persistenceContext.synchronization(),
propertiesToMap(persistenceContext.properties()));
}
private Map propertiesToMap(PersistenceProperty[] properties) {
return Arrays.stream(properties)
.collect(toMap(
PersistenceProperty::name,
PersistenceProperty::value));
}
}