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Xtremefaith/Dashboard.cls Secret

Last active Mar 10, 2016
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VF Component PageReference fails to use Platform Cache put() method, throwing a Cache.PlatformCacheInvalidOperationException
public class Dashboard{
/* Constructor */
public void init() {
this.accountWrapper = getAccount();
}
public PageReference pageRefreshData(){
/*============= THIS ATTEMPT SUCCEEDS ==================*/
try{
Cache.OrgPartition customPartition = Cache.Org.getPartition('local.CustomData');
customPartition.put('test', 'pageRefreshData()');
}catch(Exception e){ System.debug('::CACHING ERROR:: '); }
return null;
}
//========= WRAPPER/CONTAINER CLASSES ============//
/* wrapper/container class */
public class AccountWrapper{
public String id { get; set; }
public String name { get; set; }
public Boolean isGroup { get; set; }
public AccountWrapper(Account a){
this.id = a.Id;
this.name = a.Name;
this.isGroup = (a.Name.contains('Group')) ? TRUE : FALSE;
}
}
}
<apex:page sidebar="false" controller="FranchiseDashboard" action="{!init}">
<c:Widget data-controller="{!dashboard}" widget-type="metric" widget-title="Title of widget" ... />
</apex:page>
public class metricController extends Widget {
//========= SETUP GETTERS/SETTERS ============//
/* In order to get widget instance data we use a FluxCapacitor storage class
to connect shared data between the Widget and this metric controller */
public FluxCapacitor capacitor { get;
set{
installCapacitor(value); /* Plugin flux capacitor instance into the widget instance */
}
}
public String metricVars { get; set; }
/* FYI: here is example of using capacitor */
public getSomeParameter(){
return capacitor.dashboard.accountWrapper;
}
}
public abstract with sharing class Widget{
//========= INSTANCE VARS ==========//
public FluxCapacitor FC = new FluxCapacitor();
/* NOTE: Custom solution for passing data to the metric components within a given widget instance */
public PageReference repairErrors(){
/*============= THIS ATTEMPT FAILS ==================*/
try{
Cache.OrgPartition customPartition = Cache.Org.getPartition('local.CustomData');
customPartition.put('test', 'Widget.repairErrors()');
}catch(Exception e){ System.debug('::CACHING ERROR:: '); }
return null;
}
//========= WRAPPER/CONTAINER CLASSES ============//
/* An exception class for widget data */
public class WidgetException extends Exception{}
/* Parameter wrapper/container class */
public class Parameter{
public String source { get; set; }
public Integer year { get; set; }
public String field { get; set; }
public Boolean required { get; set; }
public Parameter(String source, Integer year, String field, String required){
this.source = source;
this.year = year;
this.field = field;
this.required = (required=='true'||required=='1') ? TRUE : FALSE;
}
public Parameter(String source, Integer year, String field){
this(source,year,field, 'FALSE');
}
}
/* DataError wrapper/container class */
public class DataError{
public String field { get; set; }
public String index { get; set; }
public String source { get; set; }
public String message { get; set; }
public DataError(Widget widget, Parameter param, String message){
this.message = message;
this.source = param.source;
this.index = param.year;
this.field = param.field;
}
}
}
<apex:component controller="Widget" layout="none">
<apex:attribute name="data-controller" assignTo="{!Capacitor.dashboard}" description="shared data from the widget to the metric subcomponents" type="Dashboard" required="true"/>
<apex:attribute name="widget-type" assignTo="{!widgetType}" description="Type of widget component to be used [Component-Type]" type="String" required="true"/>
<apex:attribute name="widget-title" assignTo="{!title}" description="Title for the widget block" type="String" required="true"/>
<!-- Define Widget -->
<c:WidgetTitle widget="{!this}"/>
<!-- If there are errors, create a refresh button to attempt to get the data and cache it -->
<apex:outputPanel id="errorMessage" layout="block" rendered="{!IF(IsWidgetLoaded,FALSE,TRUE)}">
<apex:form>
<apex:commandButton value="Refresh" action="{!repairErrors}" rerender="required_dummy_value" status="loadingWidgetData"/>
<!-- NOTE: "rerender" attribute required for "status" to work properly, some sort of salesforce bug -->
</apex:form>
</apex:outputPanel>
<!-- If there are no errors, attempt to load the metric component type that was requested when the widget was added to the page -->
<apex:outputPanel id="metric-components" layout="block" rendered="{!IF(IsWidgetLoaded,TRUE,FALSE)}">
<!-- Include Gauge Components -->
<c:Gauge widget="{!this}" flux-capacitor="{!Capacitor}" rendered="{!IF(Component=='gauge',TRUE,FALSE)}"/>
<!-- Include Chart Components -->
<c:Chart widget="{!this}" flux-capacitor="{!Capacitor}" rendered="{!IF(Component=='chart',TRUE,FALSE)}" x-labels="{!labels}" data-grouping="{!groups}"/>
// etc, etc...
</apex:outputPanel>
</apex:component>
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