Re[2]: setting values
Re[2]: setting values
- Subject: Re[2]: setting values
- From: "A. Uchida" <email@hidden>
- Date: Thu, 20 Feb 2003 21:18:34 GMT
Hi Ricardo,
Thanks indeed for your kind advice, I will try!
Cheers!
Reply for "Re: setting values" written by Ricardo Strausz at Wed, 19 Feb 2003 17:56:29 -0600
>hola atsushi,
>
>in EOModeler you most generate the Java files for each entity
>(Property>Generate Java Files...)
>
>if you look to that sources, you will find methods of the form:
>
> public Number no() {
> return (Number)storedValueForKey("no");
> }
>
> public void setNo(Number value) {
> takeStoredValueForKey(value, "no");
> }
>
>so, too assign such a valu you need a line of the form
>
>objectA.setNo(objectB.no());
>
>I think this is the easiest way to do it...
>you can also use generic methods like "setValueForKey" and
>"takeValueForKey" but that means you will write more code... EOModeler
>does that for you!!!
>
>Suerte!
>dino
>
>
>
>On miircoles, febr 19, 2003, at 16:40 America/Mexico_City, A. Uchida
>wrote:
>
>> Hi there,
>>
>> MacOS 10.1.5 & WO5.0
>>
>> I'm just staring to use WO recently and also a beginner of Java
>> programming.
>> I would like to have your advices for my qestion.
>>
>> What I am trying to do in WO application is
>> 1. Create a new record in an entityA using display group insert().
>> 2. Save the new record in the entityA using saveChanges().
>> 3. Create a new record in an entityB using insert().
>> 4. set a value of an attribute of entityA to an attribute of the
>> entityB
>> 5. saveChanges() of entityB.
>>
>> I want to do the process 2 to 4 by an action on a WO component.
>>
>> What I did to set the value was to add
>> entityB.aData = entityA.aData;
>> in the action method in the java file.
>> Both entityA and B was produced as a key using the entities.
>> And it doesn't allow me to finish the build.
>>
>> I think I had to use a method, something like "takeValueForKey".
>> But I don't know how to use it.
>>
>> Question1 : what method can be used to set a value of an entity to a
>> field
>> of the other entity?
>> Question 2 : I am learning WO by myself and had read some books for WO
>> but
>> when I get lost like this case, what kind of documents, do you think,
>> are usefull?
>> I checked the documents of the WO: EOControl, Java reference for Java
>> etc.
>> But I don't think it is useful.
>>
>> Any comments would be appreciated.
>> Thanks in advance.
>>
>> Atsushi Uchida
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>
>Dino
>http://homepage.mac.com/strausz
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