Pessoal, no meu sistema criei uma classe “genérica” para filtro (combos aninhadas) país -> estado -> cidade, pois irei usar o filtro em vários locais e não quero ficar repetindo os métodos.
Na view fiz da seguinte maneira:
[code]<s:decorate id=“countryDecoration” template="…/layout/edit.xhtml">
<ui:define name=“label”>Pais</ui:define>
<h:selectOneMenu value="#{city.state.country}"
id=“country” label=“Pais” required=“true”>
<s:selectItems var="_country"
value="#{countrys}"
label="#{_country.name}"
noSelectionLabel=“Selecione” />
<s:convertEntity />
<a:support event=“onchange”
reRender=“countryDecoration, loadStates”
ajaxSingle=“true”
action="#{geographicFilterAction.loadStates(city.state.country.countryId)}" />
</h:selectOneMenu>
</s:decorate>
<s:decorate id=“stateDecoration” template="…/layout/edit.xhtml">
<ui:define name=“label”>Estado</ui:define>
<a:outputPanel id=“loadStates”>
<h:selectOneMenu value="#{city.state}"
id=“state” required=“true” label=“Estado”
rendered="#{not empty city.state.country.countryId}">
<s:selectItems var="_state"
value="#{loadStates}"
label="#{_state.name}"
noSelectionLabel=“Selecione” />
<s:convertEntity />
<a:support event=“onblur” reRender=“stateDecoration”
bypassUpdates=“true” ajaxSingle=“true” />
</h:selectOneMenu>
</a:outputPanel>
</s:decorate>[/code]
Ou seja, to enviando o ID do objeto como parâmetro para a função loadStates, que está da seguinte maneira:
@Factory("loadStates")
public void loadStates(Integer countryId) {
setLoadStates((entityManager.createQuery(
"select s from State s " +
"where s.country.countryId = " + countryId)
.getResultList()));
}
Tranquilo, para adicionar ele faz o filtro numa boa, mas quando vou editar dá o seguinte erro:
java.lang.IllegalArgumentException: Could not invoke method by reflection: GeographicFilterAction_$$_javassist_seam_7.loadStates(java.lang.Integer) with parameters: (org.jboss.seam.Component) on: org.domain.infralogjava.session.GeographicFilterAction_$$_javassist_seam_7
at org.jboss.seam.util.Reflections.invoke(Reflections.java:32)
at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:144)
at org.jboss.seam.Component.callComponentMethod(Component.java:2257)
at org.jboss.seam.Component.getInstanceFromFactory(Component.java:2080)
at org.jboss.seam.Component.getInstance(Component.java:2011)
at org.jboss.seam.Component.getInstance(Component.java:1983)
at org.jboss.seam.Component.getInstance(Component.java:1977)
at org.jboss.seam.Namespace.getComponentInstance(Namespace.java:55)
at org.jboss.seam.Namespace.getComponentInstance(Namespace.java:50)
at org.jboss.seam.el.SeamELResolver.resolveBase(SeamELResolver.java:148)
at org.jboss.seam.el.SeamELResolver.getValue(SeamELResolver.java:51)
at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:54)
at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:72)
at org.jboss.el.parser.AstIdentifier.getValue(AstIdentifier.java:44)
at org.jboss.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)
at javax.faces.component.UISelectItems.getValue(UISelectItems.java:141)
at org.jboss.seam.ui.component.UISelectItems.getValue(UISelectItems.java:161)
at com.sun.faces.renderkit.RenderKitUtils.getSelectItems(RenderKitUtils.java:289)
at com.sun.faces.renderkit.html_basic.MenuRenderer.renderSelect(MenuRenderer.java:814)
at com.sun.faces.renderkit.html_basic.MenuRenderer.encodeEnd(MenuRenderer.java:280)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:861)
at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:281)
at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:258)
at org.ajax4jsf.renderkit.html.AjaxOutputPanelRenderer.encodeChildren(AjaxOutputPanelRenderer.java:78)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
at org.jboss.seam.ui.util.cdk.RendererBase.renderChild(RendererBase.java:186)
at org.jboss.seam.ui.util.cdk.RendererBase.renderChildren(RendererBase.java:166)
at org.jboss.seam.ui.renderkit.ValidateAllRendererBase.doEncodeChildren(ValidateAllRendererBase.java:33)
at org.jboss.seam.ui.util.cdk.RendererBase.encodeChildren(RendererBase.java:92)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
at org.jboss.seam.ui.util.cdk.RendererBase.renderChild(RendererBase.java:186)
at org.jboss.seam.ui.util.cdk.RendererBase.renderChildren(RendererBase.java:166)
at org.jboss.seam.ui.renderkit.DecorateRendererBase.doEncodeChildren(DecorateRendererBase.java:152)
at org.jboss.seam.ui.util.cdk.RendererBase.encodeChildren(RendererBase.java:92)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
at org.ajax4jsf.renderkit.RendererBase.renderChild(RendererBase.java:277)
at org.ajax4jsf.renderkit.RendererBase.renderChildren(RendererBase.java:258)
at org.richfaces.renderkit.html.PanelRenderer.doEncodeChildren(PanelRenderer.java:220)
at org.richfaces.renderkit.html.PanelRenderer.doEncodeChildren(PanelRenderer.java:215)
at org.ajax4jsf.renderkit.RendererBase.encodeChildren(RendererBase.java:120)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:930)
at javax.faces.render.Renderer.encodeChildren(Renderer.java:148)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:930)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:933)
at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:592)
at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:100)
at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:176)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368)
at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495)
at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.web.HotDeployFilter.doFilter(HotDeployFilter.java:53)
at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalArgumentException: argument type mismatch
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.jboss.seam.util.Reflections.invoke(Reflections.java:22)
... 96 more
Alguém sabe o porque disso?
Ao meu ver tá tudo certo, envio um inteiro e recebo um inteiro como parâmetro, não sei porque tá acusando tipos diferentes, e pra pirar mais um pouco, só dá o erro quando edita.
Se alguém puder sugerir uma maneira melhor de deixar isso genérico, seria ótimo também!