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inner class
by CarloV
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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 '$' instead of '.'. But i've got another exception: JavaBeansDataExchange could not instantiate result class. What's going wrong? Making AzioneEsito (the inner class) a normal class iBATIS work well. Thanks for your attention Carlo |
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Re: inner class
by Larry Meadors
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Is the inner class static?
Larry On Tue, Jul 8, 2008 at 7:08 AM, CarloV <carlo.verdecchia@...> wrote: > > I tried to use an inner class in a resultMap. > > If i use the full name like it.scscomputers.storpa.model.Prova.AzioneEsito > i've got a ClassNotFoundExcemption. > > Then as reported here > http://www.mail-archive.com/user-java@.../msg02492.html > i used the '$' 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. > > |
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Re: inner class
by CarloV
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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; } }
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Re: inner class
by Larry Meadors
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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@...> 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@...> 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@.../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. > > |
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Re: inner class
by CarloV
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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.
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Re: inner class
by Gwyn
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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@...> wrote:
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Re: inner class
by CarloV
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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.
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