1 files changed, 70 insertions, 0 deletions
diff --git a/tags/java/sca/1.5.1/itest/transaction/src/main/java/org/apache/tuscany/sca/itest/transaction/AccountServiceImpl.java b/tags/java/sca/1.5.1/itest/transaction/src/main/java/org/apache/tuscany/sca/itest/transaction/AccountServiceImpl.java
new file mode 100644
index 0000000000..a6ea036da7
--- /dev/null
+++ b/tags/java/sca/1.5.1/itest/transaction/src/main/java/org/apache/tuscany/sca/itest/transaction/AccountServiceImpl.java
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.itest.transaction;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public abstract class AccountServiceImpl implements AccountService {
+    protected Map<String, Float> accounts = new HashMap<String, Float>();
+
+    /**
+     * @see org.apache.tuscany.sca.itest.transaction.AccountService#deposit(String, float)
+     */
+    public void deposit(String accountNumber, float amount) throws AccountNotFoundException {
+        float balance = getBalance(accountNumber);
+        balance += amount;
+        save(accountNumber, balance);
+        accounts.put(accountNumber, balance);
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.itest.transaction.AccountService#getBalance(String)
+     */
+    public float getBalance(String accountNumber) throws AccountNotFoundException {
+        Float balance = accounts.get(accountNumber);
+        if (balance == null) {
+            balance = load(accountNumber);
+            accounts.put(accountNumber, balance);
+        }
+        return balance;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.itest.transaction.AccountService#withdraw(String, float)
+     */
+    public void withdraw(String accountNumber, float amount) throws OverDraftException, AccountNotFoundException {
+        float balance = getBalance(accountNumber);
+        if (amount > balance) {
+            throw new OverDraftException("Insufficient fund");
+        }
+        balance -= amount;
+        save(accountNumber, balance);
+        accounts.put(accountNumber, balance);
+    }
+
+    protected abstract float load(String accountNumber) throws AccountNotFoundException;
+
+    protected abstract void save(String accountNumber, float balance) throws AccountNotFoundException;
+
+}