Re: T5: @Propery can not be an Interface? No default coercion?
You can have interface parameters, but the problem here is that you define a parameter of type PageDelegate, and try to assign a default value of string false to that parameter. Perhaps you meant @Property(required=false) ? - Ville Maximilian Weißböck wrote: I have a component that has a delegate as parameter binding like this: @Parameter(false) @Property private PageDelegate pageDelegate; Inside the page I'm testing if the delegate is set (only then an ActionLink will be shown) t:if test=pageDelegate PageDelegate is an Interface, and I'm getting this error on startup: [ERROR] ipeople.Index Render queue error in BeginRender[ipeople/Index:iphonelistlayout.if_0]: Failure reading parameter 'test' of component ipeople/Index:iphonelistlayout.if_0: Failure reading parameter 'pageDelegate' of component ipeople/Index:iphonelistlayout: Could not find a coercion from type java.lang.Boolean to type at.sphinx.sxfinder.util.PageDelegate. Available coercions: Double -- Float, Float -- Double, Long -- Boolean, Long -- Byte, Long -- Double, Long -- Integer, Long -- Short, Number -- Long, Object -- Object[], Object -- String, ... [deleted] Everything works fine if I change pageDelegate to type Object, as there is a default coercion for Object. Now what I would like is the exact same behaviour for an Interface as it is for Object (test returns true if not null, false if null) Is there e generic way to do this, or even better could that be standard behaviour in T5? Anything that is against this possible standard behaviour? And a second question: What I'm doing with this PageDelegate is to give the Component access to the Page it is contained in. Is there a better/standard way to do this? Thanks, Max -- View this message in context: http://www.nabble.com/T5%3A-%40Propery-can-not-be-an-Interface--No-default-coercion--tp20700914p20768313.html Sent from the Tapestry - User mailing list archive at Nabble.com. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: T5: @Propery can not be an Interface? No default coercion?
Thanks, yes exactly this is what I meant... I feel so ... still learning T5 :-) Thanks again, Max -Ursprüngliche Nachricht- Von: Ville Virtanen [mailto:[EMAIL PROTECTED] Gesendet: Montag, 1. Dezember 2008 10:04 An: users@tapestry.apache.org Betreff: Re: T5: @Propery can not be an Interface? No default coercion? You can have interface parameters, but the problem here is that you define a parameter of type PageDelegate, and try to assign a default value of string false to that parameter. Perhaps you meant @Property(required=false) ? - Ville Maximilian Weißböck wrote: I have a component that has a delegate as parameter binding like this: @Parameter(false) @Property private PageDelegate pageDelegate; Inside the page I'm testing if the delegate is set (only then an ActionLink will be shown) t:if test=pageDelegate PageDelegate is an Interface, and I'm getting this error on startup: [ERROR] ipeople.Index Render queue error in BeginRender[ipeople/Index:iphonelistlayout.if_0]: Failure reading parameter 'test' of component ipeople/Index:iphonelistlayout.if_0: Failure reading parameter 'pageDelegate' of component ipeople/Index:iphonelistlayout: Could not find a coercion from type java.lang.Boolean to type at.sphinx.sxfinder.util.PageDelegate. Available coercions: Double -- Float, Float -- Double, Long -- Boolean, Long -- Byte, Long -- Double, Long -- Integer, Long -- Short, Number -- Long, Object -- Object[], Object -- String, ... [deleted] Everything works fine if I change pageDelegate to type Object, as there is a default coercion for Object. Now what I would like is the exact same behaviour for an Interface as it is for Object (test returns true if not null, false if null) Is there e generic way to do this, or even better could that be standard behaviour in T5? Anything that is against this possible standard behaviour? And a second question: What I'm doing with this PageDelegate is to give the Component access to the Page it is contained in. Is there a better/standard way to do this? Thanks, Max -- View this message in context: http://www.nabble.com/T5%3A-%40Propery-can- not-be-an-Interface--No-default-coercion--tp20700914p20768313.html Sent from the Tapestry - User mailing list archive at Nabble.com. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: T5: @Propery can not be an Interface? No default coercion?
How to you convert the string false to an instance of whatever PageDelegate is? Tapestry doesn't know either. On Wed, Nov 26, 2008 at 3:41 AM, Maximilian Weißböck [EMAIL PROTECTED] wrote: I have a component that has a delegate as parameter binding like this: @Parameter(false) @Property private PageDelegate pageDelegate; Inside the page I'm testing if the delegate is set (only then an ActionLink will be shown) t:if test=pageDelegate PageDelegate is an Interface, and I'm getting this error on startup: [ERROR] ipeople.Index Render queue error in BeginRender[ipeople/Index:iphonelistlayout.if_0]: Failure reading parameter 'test' of component ipeople/Index:iphonelistlayout.if_0: Failure reading parameter 'pageDelegate' of component ipeople/Index:iphonelistlayout: Could not find a coercion from type java.lang.Boolean to type at.sphinx.sxfinder.util.PageDelegate. Available coercions: Double -- Float, Float -- Double, Long -- Boolean, Long -- Byte, Long -- Double, Long -- Integer, Long -- Short, Number -- Long, Object -- Object[], Object -- String, ... [deleted] Everything works fine if I change pageDelegate to type Object, as there is a default coercion for Object. Now what I would like is the exact same behaviour for an Interface as it is for Object (test returns true if not null, false if null) Is there e generic way to do this, or even better could that be standard behaviour in T5? Anything that is against this possible standard behaviour? And a second question: What I'm doing with this PageDelegate is to give the Component access to the Page it is contained in. Is there a better/standard way to do this? Thanks, Max -- Howard M. Lewis Ship Creator Apache Tapestry and Apache HiveMind - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
T5: @Propery can not be an Interface? No default coercion?
I have a component that has a delegate as parameter binding like this: @Parameter(false) @Property private PageDelegate pageDelegate; Inside the page I'm testing if the delegate is set (only then an ActionLink will be shown) t:if test=pageDelegate PageDelegate is an Interface, and I'm getting this error on startup: [ERROR] ipeople.Index Render queue error in BeginRender[ipeople/Index:iphonelistlayout.if_0]: Failure reading parameter 'test' of component ipeople/Index:iphonelistlayout.if_0: Failure reading parameter 'pageDelegate' of component ipeople/Index:iphonelistlayout: Could not find a coercion from type java.lang.Boolean to type at.sphinx.sxfinder.util.PageDelegate. Available coercions: Double -- Float, Float -- Double, Long -- Boolean, Long -- Byte, Long -- Double, Long -- Integer, Long -- Short, Number -- Long, Object -- Object[], Object -- String, ... [deleted] Everything works fine if I change pageDelegate to type Object, as there is a default coercion for Object. Now what I would like is the exact same behaviour for an Interface as it is for Object (test returns true if not null, false if null) Is there e generic way to do this, or even better could that be standard behaviour in T5? Anything that is against this possible standard behaviour? And a second question: What I'm doing with this PageDelegate is to give the Component access to the Page it is contained in. Is there a better/standard way to do this? Thanks, Max
