我正在使用 Mojarra、PF 3.5 SNAPSHOT、Tomcat 7.0.32 并尝试在其他客户端完成更改时自行更新数据表。我还将 CDF bean 与 MyCODI、@ViewAccessScoped 一起使用。
当我使用 3.4 时，行内编辑（而不是单元格内编辑）和标准 @ConversationScoped 它正在工作。
这是xhtml：
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:fn="http://java.sun.com/jsp/jstl/functions"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:p="http://primefaces.org/ui"
xmlns:pe="http://primefaces.org/ui/extensions"
xmlns:c="http://java.sun.com/jsp/jstl/core"
xmlns:t="http://myfaces.apache.org/tomahawk">
<ui:composition template="commonLayout.xhtml">
<ui:define name="content">
<p:growl id="growlmessage" showDetail="false" autoUpdate="true"/>
<p:contextMenu for="staffTable">
<p:menuitem value="Open" update="staffTable" icon="ui-icon-close" actionListener="#{staffbean.onOpen}" />
<p:menuitem value="Delete" update="staffTable" icon="ui-icon-close" onclick="confirmation.show()" />
</p:contextMenu>
<p:confirmDialog id="confirmDialog" message="#{text['viewedit.delete.confirm']}"
header="#{text['viewedit.delete.header']}" severity="alert" widgetVar="confirmation" appendToBody="true" closable="false" visible="false" >
<p:commandButton action="#{staffbean.onDelete}" ajax="true" value="Yes" oncomplete="confirmation.hide()" icon="ui-icon-check" />
<p:commandButton value="No" onclick="confirmation.hide()" type="button" icon="ui-icon-closethick" />
</p:confirmDialog>
<p:dataTable id="staffTable" var="staff" widgetVar="staffList" value="#{staffbean.objectList}" paginator="true" rows="15" paginatorPosition="bottom" paginatorTemplate="{CurrentPageReport} {FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown}" currentPageReportTemplate="#{text['table.staff.filter.count']}" rowsPerPageTemplate="15,25,50,100" emptyMessage="#{text['table.staff.filter.notfound']}" filteredValue="#{staffbean.filteredObject}" editable="true" editMode="cell" draggableColumns="true" rowKey="#{staff.id}" selection="#{staffbean.selectedObject}" selectionMode="single">
<f:facet name="header">
<p:columnGroup type="header">
<p:row>
<p:column colspan="4">
<h:outputText value="#{text['table.staff.header']}" />
</p:column>
</p:row>
<p:separator/>
<p:row>
<p:panelGrid columns="5" styleClass="headerGrid">
<p:column colspan="2">
<h:outputText value="#{text['table.filter.global']}" />
<p:inputText id="globalFilter" onkeyup="staffList.filter()" style="width:150px" />
</p:column>
<p:column colspan="2">
<p:selectOneMenu id="pageonly" value="#{staffbean.pageOnly}" >
<f:selectItem itemLabel="#{text['dataexporter.pageonly']}" itemValue="true" />
<f:selectItem itemLabel="#{text['dataexporter.entirepage']}" itemValue="false" />
<p:ajax event="change" listener="#{staffbean.exportXLS}" update="@form" immediate="true" />
</p:selectOneMenu>
<h:commandLink>
<p:graphicImage id="exportPage" value="/resources/img/excel.png" />
<p:dataExporter type="xls" target="staffTable" fileName="staff" pageOnly="#{staffbean.pageOnly}"/>
<p:tooltip for="exportPage" value="#{text['dataexporter.tooltip']}" showEffect="fade" hideEffect="fade" />
</h:commandLink>
</p:column>
</p:panelGrid>
</p:row>
</p:columnGroup>
</f:facet>
<p:column id="nameColumn" headerText="#{text['label.name']}" sortBy="#{staff.name}" filterBy="#{staff.name}" filterMatchMode="contains">
<p:cellEditor>
<f:facet id="nameoutput" name="output">
<h:outputText value="#{staff.name}" />
</f:facet>
<f:facet name="input">
<p:inputText value="#{staff.name}" style="width:100%" required="true" requiredMessage="#{text['validation.error.required.name']}"/>
</f:facet>
</p:cellEditor>
</p:column>
<p:column id="staffnoColumn" headerText="#{text['label.staffno']}" sortBy="#{staff.staffno}" filterBy="#{staff.staffno}" filterMatchMode="contains">
<p:cellEditor>
<f:facet name="output">
<h:outputText value="#{staff.staffno}" />
</f:facet>
<f:facet id="staffliststaffno" name="input">
<p:inputText value="#{staff.staffno}" style="width:100%" required="true" requiredMessage="#{text['validation.error.required.staffno']}">
<pe:keyFilter regEx="/^\d+$/" preventPaste="false"/>
<f:validator validatorId="staffnoValidator" />
<f:validator validatorId="numericValidator" />
</p:inputText>
</f:facet>
</p:cellEditor>
</p:column>
<f:facet name="footer" id="footer">
There are #{fn:length(staffbean.objectList)} staff in total.
</f:facet>
<p:ajax event="cellEdit" listener="#{staffbean.onEdit}" update="@form" />
</p:dataTable>
</ui:define>
<ui:define name="socket">
<p:socket channel="/ba" >
<p:ajax event="message" update="ba_staffTable" />
</p:socket>
</ui:define>
</ui:composition>
豆：
public void update(Object object) {
if (!getEm().getTransaction().isActive()) {
getEm().getTransaction().begin();
}
try {
get().merge(object);
get().getTransaction().commit();
} catch (PersistenceException e) {
if (ExceptionUtil.is(e, ConstraintViolationException.class) || ExceptionUtil.is(e, RollbackException.class)) {
e.printStackTrace();
FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, ResourceLoader.MESSAGES.getProperty("staff.error.dbconstraint"), null));
if (getEm().getTransaction().isActive()) {
getEm().getTransaction().rollback();
}
}
}
PushContextFactory.getDefault().getPushContext().push("/ba", "");
}