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/*
* 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.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.logging.Logger;
import javax.sql.XAConnection;
import org.apache.derby.jdbc.EmbeddedXADataSource;
import org.osoa.sca.ServiceRuntimeException;
import org.osoa.sca.annotations.Destroy;
import org.osoa.sca.annotations.Init;
import org.osoa.sca.annotations.Scope;
import org.osoa.sca.annotations.Service;
/**
* @version $Rev$ $Date$
*/
@Service(AccountService.class)
@Scope("COMPOSITE")
public class SavingsAccountServiceImpl extends AccountServiceImpl {
private final static Logger log = Logger.getLogger(SavingsAccountServiceImpl.class.getName());
private EmbeddedXADataSource xads;
@Init
public void init() throws SQLException {
// Create the database and a table
xads = new EmbeddedXADataSource();
xads.setDatabaseName("target/test");
xads.setCreateDatabase("create");
XAConnection xaconn = xads.getXAConnection();
Connection conn = xaconn.getConnection();
PreparedStatement ps =
conn.prepareStatement("create table SavingsAccounts(accountNumber char(100), balance float)");
try {
ps.execute();
} catch (SQLException ex) {
log.info(ex.getMessage());
}
ps = conn.prepareStatement("delete from SavingsAccounts");
ps.execute();
ps = conn.prepareStatement("insert into SavingsAccounts(accountNumber, balance) values(?, ?)");
for (int i = 0; i < 2; i++) {
ps.setString(1, "S00" + (i+1));
ps.setFloat(2, (float)(1000.0f + Math.random() * 500.0));
ps.executeUpdate();
}
conn.commit();
conn.close();
}
@Override
protected float load(String accountNumber) throws AccountNotFoundException {
try {
XAConnection xaconn = xads.getXAConnection();
Connection conn = xaconn.getConnection();
PreparedStatement ps = conn.prepareStatement("select balance from SavingsAccounts where accountNumber=?");
ps.setString(1, accountNumber);
ResultSet rs1 = ps.executeQuery();
boolean found = rs1.next();
if (found) {
float balance = rs1.getFloat(1);
conn.commit();
conn.close();
return balance;
} else {
conn.commit();
conn.close();
throw new AccountNotFoundException(accountNumber);
}
} catch (SQLException e) {
throw new ServiceRuntimeException(e);
}
}
@Override
protected void save(String accountNumber, float balance) throws AccountNotFoundException {
try {
XAConnection xaconn = xads.getXAConnection();
Connection conn = xaconn.getConnection();
PreparedStatement ps = conn.prepareStatement("update SavingsAccounts set balance=? where accountNumber=?");
ps.setFloat(1, balance);
ps.setString(2, accountNumber);
int rows = ps.executeUpdate();
conn.commit();
boolean found = (rows >= 1);
if (found) {
conn.close();
} else {
conn.close();
throw new AccountNotFoundException(accountNumber);
}
} catch (SQLException e) {
throw new ServiceRuntimeException(e);
}
}
@Destroy
public void destroy() throws SQLException {
XAConnection xaconn = xads.getXAConnection();
Connection conn = xaconn.getConnection();
PreparedStatement ps = conn.prepareStatement("drop table SavingsAccounts");
ps.execute();
conn.commit();
conn.close();
}
}
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