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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.samples.customers;
import java.sql.Connection;
import java.sql.DriverManager;
import java.util.List;
import commonj.sdo.DataObject;
import org.osoa.sca.annotations.Service;
import org.apache.tuscany.das.rdb.Command;
/**
*
*/
@Service(CustomerServiceComponent.class)
public class CustomerServiceComponentImpl implements CustomerServiceComponent {
private static final String driverName = "org.apache.derby.jdbc.EmbeddedDriver";
private static final String databaseURL = "jdbc:derby:../webapps/tuscany-samples-customerWEB/customerdb";
/*
* (non-Javadoc)
*
* @see org.apache.tuscany.samples.helloworldweb.HelloWorldServiceComponent#getGreetings()
*/
public DataObject getCustomer(String id) {
// Create and initialize command to read customers
Command readCustomers = Command.FACTORY
.createCommand("select * from CUSTOMER where ID = :ID");
readCustomers.setConnection(getConnection());
readCustomers.setParameterValue("ID", new Integer(id));
// Read
DataObject root = readCustomers.executeQuery();
readCustomers.close();
List customers = root.getList("CUSTOMER");
if (customers.size() > 0)
return (DataObject) customers.get(0);
else
return null;
}
private Connection getConnection() {
try {
Class.forName(driverName).newInstance();
Connection connection = DriverManager.getConnection(databaseURL);
connection.setAutoCommit(false);
return connection;
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
}
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