Sha256: 01ce6355e3abaf14de4ef607942f77a8bf42862e267d0c61897763bf80134012
Contents?: true
Size: 1.07 KB
Versions: 6
Compression:
Stored size: 1.07 KB
Contents
package app.repository;
import java.io.Serializable;
import java.lang.reflect.ParameterizedType;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.Query;
public abstract class Repository<T, I extends Serializable> {
protected final EntityManager entityManager;
protected final Class<T> clazz;
protected Repository(EntityManager entityManager) {
this.entityManager = entityManager;
@SuppressWarnings("unchecked")
Class<T> clazz = (Class<T>) ((ParameterizedType) getClass().getGenericSuperclass()).getActualTypeArguments()[0];
this.clazz = clazz;
}
public void create(T entity) {
entityManager.persist(entity);
}
public T update(T entity) {
return entityManager.merge(entity);
}
public void destroy(T entity) {
entityManager.remove(entity);
}
public T find(I id) {
return entityManager.find(clazz, id);
}
public List<T> findAll() {
Query query = entityManager.createQuery("from " + clazz.getName());
@SuppressWarnings("unchecked")
List<T> resultList = query.getResultList();
return resultList;
}
}
Version data entries
6 entries across 6 versions & 2 rubygems