I used LAZY - loading and my p:datable worked fine.
But now i would like to extend the p:datatable with selection and now I got the following error message:
java.lang.UnsupportedOperationException: getRowKey(T object) must be implemented by
MandatoryRequestController when basic rowKey algorithm is not used [component=mandatoryListForm:mandatoryListDatatable,view=/admin/mandatoryList.xhtml].
I have no idea what´s wrong because I´ve already implemented the getRowData(Object) and getRowKey(Object) into my bean:
Here my bean:
Code: Select all
@javax.faces.view.ViewScoped;
@Named
public class MandatoryRequestController extends LazyDataModel<Mandatory> implements SelectableDataModel<Mandatory>, Serializable {
private static final long serialVersionUID = 2815796004558360299L;
private static final Logger LOGGER = LoggerFactory.getLogger(MandatoryRequestController.class);
@EJB
private MandatoryService mandatoryService;
private List<Mandatory> filteredMandatory;
private List<Mandatory> selectedMandatoryList;
private LazyDataModel<Mandatory> lazyModel;
private List<Mandatory> list;
@SuppressWarnings("serial")
@PostConstruct
public void findMandatoryByUser() throws NumberFormatException, MandatoryNotFoundException {
lazyModel = null;
if (lazyModel == null) {
lazyModel = new LazyDataModel<Mandatory>() {
@Override
public List<Mandatory> load(int startingAt, int maxPerPage, String sortField, SortOrder sortOrder,
Map<String, Object> filters) {
try {
list = mandatoryService.findAllMandatoryLazyLoading(null, startingAt, maxPerPage, sortField,
sortOrder, filters);
lazyModel.setRowCount(list.size());
} catch (MandatoryNotFoundException e) {
lazyModel.setRowCount(0);
}
return list;
}
};
}
}
@Override
public Mandatory getRowData(String rowKey) {
for (Mandatory mandatory : list) {
if (mandatory.getId().equals(rowKey))
return mandatory;
}
return null;
}
@Override
public Object getRowKey(Mandatory mandatory) {
return mandatory;
}Here is my p:datatable:
Code: Select all
<h:form id="mandatoryListForm">
<p:dataTable id="mandatoryListDatatable"
value="#{mandatoryRequestController.lazyModel}" var="mandatory"
widgetVar="mandatoryTable" multiViewState="true"
resizableColumns="true"
selection="#{mandatoryRequestController.selectedMandatoryList}"
filteredValue="#{mandatoryRequestController.filteredMandatory}"
rows="50" pageLinks="10" paginatorPosition="bottom" lazy="true"
paginator="true" reflow="true"
currentPageReportTemplate="(Eintrag: {startRecord}-{endRecord} von {totalRecords}, Seite: {currentPage} von {totalPages})"
paginatorTemplate="{CurrentPageReport} {FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown}"
rowsPerPageTemplate="10,20,50,100" paginatorAlwaysVisible="false"
emptyMessage="Keine Firma gefunden">
<f:facet name="header">
<p:outputPanel style="float:left; margin-top: -3px">
<p:menuButton value="Optionen">
<p:menuitem value="Bearbeiten" disabled="#{mandatoryRequestController.selectedMandatoryList.size() != 0}"
actionListener="#{menuView.update}" icon="fa fa-pencil" />
<p:menuitem value="Löschen" actionListener="#{menuView.save}" disabled="#{mandatoryRequestController.selectedMandatoryList != null}"
icon="fa fa-trash" />
</p:menuButton>
</p:outputPanel>
<h:outputText value="Übersicht" />
<p:outputPanel style="float:right; margin-top: -3px">
<p:commandButton type="button" styleClass="Fs13 White"
icon="fa fa-filter" />
<p:commandButton id="toggler" type="button"
styleClass="Fs13 White" icon="fa fa-list" />
<p:columnToggler datasource="mandatoryListDatatable"
trigger="toggler" />
</p:outputPanel>
</f:facet>
<p:ajax event="rowSelect" update=":mandatoryListForm:mandatoryListDatatable" />
<p:ajax event="rowUnselect" update=":mandatoryListForm:mandatoryListDatatable" />
<p:column selectionMode="multiple"
style="width:16px;text-align:center" toggleable="false" />
<p:column sortBy="#{mandatory.companyName}"
filterBy="#{mandatory.companyName}" filterStyle="display:none">
<f:facet name="header">
<h:outputText value="Firma" />
</f:facet>
<h:link outcome="/portal/mandatorySettingEdit">
<h:outputText value="#{mandatory.companyName}" />
<f:param name="id" value="#{mandatory.id}" />
</h:link>
</p:column>
<p:column>
<f:facet name="header">
<h:outputText value="Optionen" />
</f:facet>
<p:splitButton value="Bearbeiten" icon="fa fa-pencil"
actionListener="#{mandatoryAccountingEditController.doSave}"
ajax="true">
<p:menuitem value="Löschen"
actionListener="#{mandatoryAccountingEditController.doSave}"
update="growl" icon="fa fa-trash" />
<p:menuitem value="Abrechnung erstellen"
actionListener="#{mandatoryRequestController.doRedirectNewMandatoryAccounting(mandatory)}"
update="growl" icon="fa fa-credit-card" />
</p:splitButton>
</p:column>
</p:dataTable>
</h:form>My Entity:
Code: Select all
private Long id = NO_ID;
// CONSTRUCTOR
public Mandatory() {
super();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((id == null) ? 0 : id.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Mandatory other = (Mandatory) obj;
if (id == null) {
if (other.id != null)
return false;
} else if (!id.equals(other.id))
return false;
return true;
}
@Override
public String toString() {
return "Mandatory [id=" + id + "]";
}