Jpa statistics logger

JpaStatisticsLogger.java

import lombok.CustomLog;
import org.hibernate.Session;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

@Component
@CustomLog(topic = "JPA")
public class JpaStatisticsLogger {

    @PersistenceContext
    private EntityManager entityManager;

    @Transactional
    public void log() {
        Session session = entityManager.unwrap(Session.class);
        log.info("Entity count: {}",session.getStatistics().getEntityCount());
    }
}