Java 类org.hibernate.jpa.internal.QueryImpl 实例源码

public Query createJpaQuery(String queryString) {
        Class<?> objectType = getQueryMethod().getReturnedObjectType();

        //get original proxy query.
        Query oriProxyQuery;

        //must be hibernate QueryImpl
        QueryImpl query;

        if (useJpaSpec && getQueryMethod().isQueryForEntity()) {
            oriProxyQuery = getEntityManager().createNativeQuery(queryString, objectType);

//            QueryImpl query = AopTargetUtils.getTarget(oriProxyQuery);
        } else {
            oriProxyQuery = getEntityManager().createNativeQuery(queryString);

            query = AopTargetUtils.getTarget(oriProxyQuery);
            //find generic type
            ClassTypeInformation<?> ctif = ClassTypeInformation.from(objectType);
            TypeInformation<?> actualType = ctif.getActualType();
            if (actualType == null){
                actualType = ctif.getRawTypeInformation();
            }
            Class<?> genericType = actualType.getType();
            if (genericType != null && genericType != Void.class) {
                QueryBuilder.transform(query.getHibernateQuery(), genericType);
            }
        }
        //return the original proxy query, for a series of JPA actions, e.g.:close em.
        return oriProxyQuery;
    }

public Query bind(Query query, Object[] values) {
    //get proxy target if exist.
      //must be hibernate QueryImpl
      QueryImpl targetQuery = AopTargetUtils.getTarget(query);

SQLQuery sqlQuery = (SQLQuery) targetQuery.getHibernateQuery();
      Map<String, Object> params = getParams(values);
      if (!CollectionUtils.isEmpty(params)) {
          QueryBuilder.setParams(sqlQuery, params);
      }
      return query;
  }