Brian,
I use hibernate for a couple of reasons, some of which have already been mentioned. In some cases using hibernates sophisticated caching system can greatly improve the speed of an application. I have also found that the more I can think about the OBJECTS in my application without the concern for how those objects are persisted, the truer my design is to general OO principles.
Also since various of my programs require both web interfaces and rich client interfaces I benefit from using a single set of DAOs that map through hibernate. This way if I need to communicate with an HSQL DB using the rich client and later synchronize with the main database, this is possible by changing a single line in the hibernate configuration.
Good Luck!
DW
----- Original Message ----- From: "Lee Harrington" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <user@struts.apache.org>
Sent: Thursday, February 10, 2005 8:10 AM
Subject: Re: Hibernate object relational mapping
I use hibernate...it's not a "tool for those who don't know sql" -- as I've been a database developer for 20+ years.
It's a tool for those who: 1. don't want to have to write a lot of redundant code just to insert, update, delete 2. don't want to have to hand code "class.property = recordset.getField("fieldName")" out the yin yang 3. don't want to have to hand code different data layers for different database systems
Consider on form submit....
You could write:
sqlStr = "insert into mytable (field1, field2.....field15') values (" + form.field1 + ",'" + form.field2 + "','" + ..... form.field15 + "')"
and write your own handling of database errors
or could write:
// copy form variable to an instance of your data class BeanUtils.copyProperties(metric,dynaForm);
// Call to "persist" (save) the record MetricService.getInstance().makePersistent(metric);
And there are MANY more reasons to use Hibernate over handcoding your own sql. None of it having to do with "not having to know sql".
Lee
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