コード例 #1
1
 private void testUnwrap() throws SQLException {
   ResultSet rs = stat.executeQuery("select 1");
   assertTrue(rs.isWrapperFor(Object.class));
   assertTrue(rs.isWrapperFor(ResultSet.class));
   assertTrue(rs.isWrapperFor(rs.getClass()));
   assertFalse(rs.isWrapperFor(Integer.class));
   assertTrue(rs == rs.unwrap(Object.class));
   assertTrue(rs == rs.unwrap(ResultSet.class));
   assertTrue(rs == rs.unwrap(rs.getClass()));
   assertThrows(ErrorCode.INVALID_VALUE_2, rs).unwrap(Integer.class);
 }
コード例 #2
0
 @Override
 public boolean isWrapperFor(Class<?> iface) throws SQLException {
   if (iface.isAssignableFrom(getClass())) {
     return true;
   } else if (iface.isAssignableFrom(_res.getClass())) {
     return true;
   } else {
     return _res.isWrapperFor(iface);
   }
 }