From 0edec4716475b01290d9737f672e56c4cd362493 Mon Sep 17 00:00:00 2001
From: Josh Long <josh.long@springsource.com>
Date: Tue, 16 Aug 2011 14:14:34 -0700
Subject: [PATCH] cleanup..

---
 .../examples/expenses/reports/ExpenseReport.java            | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/starting/expense_reports/services-engine/src/main/java/org/springsource/examples/expenses/reports/ExpenseReport.java b/starting/expense_reports/services-engine/src/main/java/org/springsource/examples/expenses/reports/ExpenseReport.java
index c336ace..b2b953c 100644
--- a/starting/expense_reports/services-engine/src/main/java/org/springsource/examples/expenses/reports/ExpenseReport.java
+++ b/starting/expense_reports/services-engine/src/main/java/org/springsource/examples/expenses/reports/ExpenseReport.java
@@ -1,5 +1,6 @@
 package org.springsource.examples.expenses.reports;
 
+import java.util.Collection;
 import java.util.HashSet;
 import java.util.Set;
 
@@ -37,8 +38,9 @@ public Expense addExpense(Charge charge) {
 	}
 
 	public boolean validate() {
-		boolean valid = getExpenses().size() > 0;
-		for (Expense expense : getExpenses()) {
+		Collection<Expense> expenseCollection = getExpenses();
+		boolean valid = expenseCollection.size() > 0;
+		for (Expense expense : expenseCollection) {
 			if (!expenseValidationStrategy.validate(expense)) {
 				valid = false;
 			}