/*

* InvoiceをPKであるinvoiceNoで１件検索する

*/

public Invoice getInvoiceByKey(Invoice param) {

PersistenceManager pm = PMF.get().getPersistenceManager();

Invoice invoice = pm.detachCopy(pm.getObjectById(Invoice.class,keyUtils.getChildKey(Invoice.class, param.invoiceNo)));

pm.close();

return invoice;

}