Reflection.java 文件源码

public String getQueryString(String namedQueryName) {
    NamedQueries namedQueries = (NamedQueries) entityClass.getAnnotation(NamedQueries.class);
    for (NamedQuery namedQuery : namedQueries.value()) {
        if (namedQuery.name().equals(namedQueryName)) return namedQuery.query();
    }
    throw new QueryException("Named query " + namedQueryName + " not found in class " + entityClass.getName());
}