Reviewers: Ray Ryan,
Description:
Added a countExpenses method to the Expenses entity.
Patch by: amitmanjhi
Review by: rjrjr (TBR)
Please review this at http://gwt-code-reviews.appspot.com/507801/show
Affected files:
M
trunk/bikeshed/src/com/google/gwt/sample/expenses/server/domain/Expense.java
Index:
trunk/bikeshed/src/com/google/gwt/sample/expenses/server/domain/Expense.java
===================================================================
---
trunk/bikeshed/src/com/google/gwt/sample/expenses/server/domain/Expense.java
(revision 8045)
+++
trunk/bikeshed/src/com/google/gwt/sample/expenses/server/domain/Expense.java
(working copy)
@@ -34,6 +34,15 @@
@Entity
public class Expense {
+ public static long countExpenses() {
+ EntityManager em = entityManager();
+ try {
+ return ((Number) em.createQuery("select count(o) from Expense
o").getSingleResult()).longValue();
+ } finally {
+ em.close();
+ }
+ }
+
public static final EntityManager entityManager() {
return EMF.get().createEntityManager();
}
--
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