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From CarloV <carlo.verdecc...@scs-computers.com>
Subject Re: inner class
Date Wed, 09 Jul 2008 09:39:12 GMT

Thanks,
as a java programmer i should had know this but sometimes this fundamentals
are forgotten..

Usig static nested classes and the '$' intead of '.' iBATIS work.

With inner classes iBATIS don't work but this is not a problem because inner
classes should be hidden to the outside world.


Gwyn wrote:
> 
> If it's a non-static inner class, then it can only be instantiated via a
> member of the containing class - See
> http://java.sun.com/docs/books/tutorial/java/javaOO/nested.html, for
> instance - Nothing to do with where the source is...
> 
> /Gwyn
> 
> On Tue, Jul 8, 2008 at 3:48 PM, CarloV
> <carlo.verdecchia@scs-computers.com>
> wrote:
> 
>>
>> Yes, they are italian names.
>>
>> Thanks, i will try, even if this could be a serious problem in cases
>> where
>> i've no control about the source classes..
>>
>> This problem could be related to the fact tha the source code is in
>> WEB-INF/src while .class files are in WEB-INF/classes (it's a tomcat
>> project)?
>> The Exception raised is strange.....it seams it fiends the class but it's
>> not able to instantiate it.
>>
>>
>> Larry Meadors wrote:
>> >
>> > Cool, glad you liked the book. :)
>> >
>> > Try making it static - I think that will work if you refer to the
>> > class as OuterName$InnerName.
>> >
>> > Larry
>> >
>> >
>> > PS: Are those Italian names?
>> >
>> >
>> > On Tue, Jul 8, 2008 at 8:29 AM, CarloV
>> > <carlo.verdecchia@scs-computers.com> wrote:
>> >>
>> >> Hi Larry
>> >> i've read your book "iBATIS in action", great book for a great tool!
>> >>
>> >> No. This is the inner class's source code that i've extracted from
>> Prova
>> >> and
>> >> put on its own java file.
>> >>
>> >> public class FlagNormalita {
>> >>
>> >>        // Flag di normalità da controllare
>> >>        private String flag = null;
>> >>
>> >>        // Operazione da eseguire per questo flag
>> >>        private OpFlag flagOp = OpFlag.NESSUNA;
>> >>
>> >>        // Codice esito codificato da utilizzare (la tabella è quella
>> >> abbinata alla
>> >> prova).
>> >>        private String codEsito = null;
>> >>
>> >>        /**
>> >>         * @return Flag di normalità da controllare
>> >>         */
>> >>        public String getFlag() {
>> >>                if (flag == null) {
>> >>                        flag = new String();
>> >>                }
>> >>                return flag;
>> >>        }
>> >>
>> >>        /**
>> >>         * @param flag Flag di normalità da controllare
>> >>         */
>> >>        public void setFlag(String flag) {
>> >>                this.flag = flag;
>> >>        }
>> >>
>> >>        /**
>> >>         * @return Operazione da eseguire per questo flag
>> >>         */
>> >>        public OpFlag getFlagOp() {
>> >>                return flagOp;
>> >>        }
>> >>
>> >>        /**
>> >>         * @param flagOp Operazione da eseguire per questo flag
>> >>         */
>> >>        public void setFlagOp(OpFlag flagOp) {
>> >>                this.flagOp = flagOp;
>> >>        }
>> >>
>> >>        /**
>> >>         * @return Codice esito codificato da utilizzare (la tabella è
>> >> quella
>> >> abbinata alla prova).
>> >>         */
>> >>        public String getCodEsito() {
>> >>                if (codEsito == null) {
>> >>                        codEsito = new String();
>> >>                }
>> >>                return codEsito;
>> >>        }
>> >>
>> >>        /**
>> >>         * @param codEsito Codice esito codificato da utilizzare (la
>> >> tabella è
>> >> quella abbinata alla prova).
>> >>         */
>> >>        public void setCodEsito(String codEsito) {
>> >>                this.codEsito = codEsito;
>> >>        }
>> >> }
>> >>
>> >> Larry Meadors wrote:
>> >>>
>> >>> Is the inner class static?
>> >>>
>> >>> Larry
>> >>>
>> >>>
>> >>> On Tue, Jul 8, 2008 at 7:08 AM, CarloV
>> >>> <carlo.verdecchia@scs-computers.com> wrote:
>> >>>>
>> >>>> I tried to use an inner class in a resultMap.
>> >>>>
>> >>>> If i use the full name like
>> >>>> it.scscomputers.storpa.model.Prova.AzioneEsito
>> >>>> i've got a ClassNotFoundExcemption.
>> >>>>
>> >>>> Then as reported here
>> >>>>
>> http://www.mail-archive.com/user-java@ibatis.apache.org/msg02492.html
>> >>>> i used the '$' instead of '.'.
>> >>>>
>> >>>> But i've got another exception: JavaBeansDataExchange could not
>> >>>> instantiate
>> >>>> result class.
>> >>>>
>> >>>> What's going wrong?
>> >>>>
>> >>>> Making AzioneEsito (the inner class) a normal class iBATIS work
>> well.
>> >>>>
>> >>>> Thanks for your attention
>> >>>> Carlo
>> >>>> --
>> >>>> View this message in context:
>> >>>> http://www.nabble.com/inner-class-tp18338841p18338841.html
>> >>>> Sent from the iBATIS - User - Java mailing list archive at
>> Nabble.com.
>> >>>>
>> >>>>
>> >>>
>> >>>
>> >>
>> >> --
>> >> View this message in context:
>> >> http://www.nabble.com/inner-class-tp18338841p18340556.html
>> >> Sent from the iBATIS - User - Java mailing list archive at Nabble.com.
>> >>
>> >>
>> >
>> >
>>
>> --
>> View this message in context:
>> http://www.nabble.com/inner-class-tp18338841p18340906.html
>> Sent from the iBATIS - User - Java mailing list archive at Nabble.com.
>>
>>
> 
> 

-- 
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