Re: [Reactor for CF] Record object Question...?

Dave Shuck Thu, 10 Aug 2006 13:36:56 -0700

Anytime!

On 8/10/06, SAL VALVERDE <[EMAIL PROTECTED]> wrote:

yeah thanks Dave...
thats exactly a method of operation I was wanting...

sal

Jared Rypka-Hauer wrote:

That's slick! I've blogged it here... very handy, thanks Dave.


http://www.web-relevant.com/blogs/cfobjective/index.cfm?mode=entry&entry=F98F11D8-BDB9-5320-EF4EBF85EC2BAD6E

J On Thu, 10 Aug 2006 14:31:09 -0500 "Dave Shuck" <[EMAIL PROTECTED]> wrote:

João, you can see in the core files that it is used that
way.  However, a
nice side effect is that it is an easy way to check to
see if a record has
been loaded.

~d


And yes... we give each other high fives on a daily basis

around here about
Reactor.

On 8/10/06, João Fernandes
<[EMAIL PROTECTED]>
 wrote:

I think isDirty is to check if the currentTo inside the

record has been

changed since loaded without beeing commited to the DB.

Reactor keeps amazing me !

João Fernandes

On 8/10/06, Dave Shuck 
<[EMAIL PROTECTED]> wrote:

LOL  on re-read or your message, I guess you and I

are both right! :)

On 8/10/06, Dave Shuck < [EMAIL PROTECTED]> wrote:

Aaron I think that might be backwards, but to be

honest I have to try it

every time.

I *think* (NOT object.isDirty()) means it did load,

but try it yourself

and it won't take long to figure out!

~Dave


On 8/10/06, Aaron Lynch <[EMAIL PROTECTED] >

wrote:

SAL VALVERDE wrote:

any docs on the isDirty() method?
or explaination...?

sal

Dave Shuck wrote:

Rather than checking lengths or types of data,

we use the isDirty()

method.

~Dave

On 8/10/06, *Doug Sims* < [EMAIL PROTECTED]
<mailto: 
[EMAIL PROTECTED]>> wrote:

    Just curious and wanted feedback/drawbacks

from the group on

this

    approach:
    <cfif User.getUserId()>
    rather than this:
    <cfif len(User.getUserId()) and

User.getUserId()>

    Thanks,
    Doug S.
    www.evenamonkey.com

<http://www.evenamonkey.com>

    On 8/10/06, SAL VALVERDE <

[EMAIL PROTECTED]

    <mailto:[EMAIL PROTECTED]>> wrote:
    >
    >  hey thanks Jared...

    >  and for the quick response too...
    >
    >
    >  sal
    >
    >
    >
    >  Jared Rypka-Hauer wrote:
    >  <cfif len(obj.getUserId ())> is usually

how people do it,

    > but that can be frustrating if it returns

0, which means it

    > hasn't been loaded too.
    >
    > <cfif len(User.getUserId ()) and

User.getUserId()> will

    > cover you if your userId is 0 (which means

nothing's been

    > loaded because 0 isn't a valid pkey value

in most cases).

    >
    > Laterz,
    > J
    >
    > On Thu, 10 Aug 2006 11:24:15 -0600
    >  SAL VALVERDE < 
[EMAIL PROTECTED]
    <mailto: [EMAIL PROTECTED]>> wrote:
    >
    >

    >  Hello all,
    > I have a quick simple question that I hope

someone can

    > enlighten me with...
    > What would be best practice to see if a

record object has

    > been loaded or not? my current script is

as follows:

    >
    > <cfif len(userRecord)>
    >  <cfset
    >

arguments.event.setValue("badLogin","Invalid Username

    > or Password") />
    >  <cfset
    > arguments.event.addResult("notLoggedIn")

/>

    >  <cfelse>
    >  <cfset session.isLoggedIn = true />
    >  <cfset session.username =
    > #userRecord.getuserName()# />
    >  <cfset

arguments.event.addResult("loggedIn")

    > />
    >  </cfif>
    >
    > "userRecord" being the object...
    >
    >
    > I'm getting the following error:
    >
    > Complex object types cannot be converted

to simple

    > values.
    > *Detail* The _expression_ has requested a

variable or an

    > intermediate _expression_ result as a simple

value,

    > however, the result cannot be converted to

a simple

    > value. Simple values are strings, numbers,

boolean

    > values, and date/time values. Queries,

arrays, and COM

    > objects are examples of complex values.
    >
    > The most likely cause of the error is that

you are trying

    > to use a complex value as a simple one.

For example, you

    > might be trying to use a query variable in

a <CFIF> tag.

    > This was possible in ColdFusion 2.0 but

creates an error

    > in later versions.
    >
    >
    > thanks in advance...
    > sal
    >
    >
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-- -- -- --

The way I understand it is, you can do something

like...

//try to load a user
User.load(UserId = something);

if (User.isDirty()){
    //you have a new User record on your hands
}
else {
    //User is NOT isDirty() so you have an existing

User on your hands

}

Aaron


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Re: [Reactor for CF] Record object Question...?

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