System.out.println("Invoice:\n" +
" amount: " + inputInvoice.getAmount() +
" status: " + inputInvoice.getStatus());
// Execute the rules without a filter.
List results = statelessRuleSession.executeRules(input);
System.out.println( "Called executeRules on Stateless Rule Session: " + statelessRuleSession );
System.out.println( "Result of calling executeRules: " +
results.size() + " results." );