public static TariffPricePairDAO sharedInstance() {
if (sharedInstance == null) {
sharedInstance =
new TariffPricePairDAO(
GlobalJDOManagerProvider.sharedInstance().getCache(),
GlobalJFireEjb3Provider.sharedInstance());
}
return sharedInstance;
}
/**
* Extracts all {@link ReportRegistryItemID} of the given {@link ReportRegistryItem}s given that
* they are a {@link ReportLayout} and no {@link ReportCategory}.
*
* @param reportRegistryItems The {@link ReportRegistryItem}s to filter.
* @return A collection with only {@link ReportRegistryItem}s of {@link ReportLayout}s.
*/
protected Collection<ReportRegistryItemID> extractReportLayouts(
Collection<ReportRegistryItem> reportRegistryItems) {
Collection<ReportRegistryItemID> itemIDs = new ArrayList<ReportRegistryItemID>();
for (ReportRegistryItem item : reportRegistryItems) {
ReportRegistryItemID id = (ReportRegistryItemID) JDOHelper.getObjectId(item);
if (ReportLayout.class.isAssignableFrom(
GlobalJDOManagerProvider.sharedInstance()
.getObjectID2PCClassMap()
.getPersistenceCapableClass(id))) {
itemIDs.add(id);
}
}
return itemIDs;
}