Diseño de la capa de datos - Departamento de Lenguajes y

Departamento de
Lenguajes y Sistemas Informáticos
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String sql = "DELETE FROM Customer WHERE (CUSTOMERID = ?)";
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PreparedStatement stmt = null;
String sql = "DELETE FROM Customer WHERE (CUSTOMERID = ? ) ";
stmt = conn.prepareStatement(sql); //conn es una conexión válida
stmt.setString(1, customerID);
PreparedStatement stmt = null;
String sql = "SELECT * FROM Customer";
stmt = conn.prepareStatement(sql); //conn es una conexión válida
PreparedStatement stmt = null;
String sql = "INSERT INTO CUSTOMER (OID, CUSTOMERID, NAME, SURNAME)”+
“ VALUES (?, ?, ?, ?)";
stmt = conn.prepareStatement(sql);
stmt.setString(1, “33423”);
stmt.setString(2, “Customer 1”);
stmt.setString(3, “Name 1”);
stmt.setString(4, “Name 2”);
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PreparedStatement stmt = null;
ResultSet result = null;
Customer c = null;
String sql = "SELECT * FROM CUSTOMER WHERE (CUSTOMERID = ? ) ";
stmt = conn.prepareStatement(sql); //conn es una conexión válida
stmt.setString(1, customerID);
result = stmt.executeQuery();
result.next();
c = new Customer();
c.setCustomerID(result.getString("CUSTOMERID"));
c.setName(result.getString("NAME"));
c.setSurname(result.getString("SURNAME"));
result.close();
stmt.close();
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PreparedStatement stmt = null;
List searchResults = new LinkedList();
ResultSet result = null;
String sql = "SELECT * FROM Customer";
stmt = conn.prepareStatement(sql); //conn es una conexión válida
stmt.executeQuery();
result = stmt.executeQuery();
while (result.next()) {
Customer temp = new Customer();
temp.setCustomerID(result.getString("customerID"));
temp.setName(result.getString("name"));
temp.setSurname(result.getString("surname"));
searchResults.add(temp);
}
result.close();
stmt.close();
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PreparedStatement stmt = null;
String oid = UIDGenerator.getInstance().getKey();
String sql = "INSERT INTO CUSTOMER (OID, CUSTOMERID, NAME, SURNAME)”+
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stmt = conn.prepareStatement(sql);
stmt.setString(1,
stmt.setString(2,
stmt.setString(3,
stmt.setString(4,
oid);
c.getCustomerID());
c.getName());
c.getSurname());
stmt.executeUpdate();
stmt.close();
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stmt = conn.prepareStatement(sql); //conn es una conexión válida
stmt.setString(1, customerID);
stmt.executeUpdate();
stmt.close();
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System.out.println("Message: " + e.getMessage());
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conn.close();
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<<Class Model>>
domain
Customer
-customerID:String
-name:String
-surname:String
+getCustomerID():String
+setCustomerID(customerID:String):void
+getName():String
+setName(name:String):void
+getSurname():String
+setSurname(surname:String):void
Created with Poseidon for UML Community Edition. Not for Commercial Use.
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<<Class Model>>
data
<< interface >>
ICustomerDAO
+selectCustomer(customerID:String):Customer
+insertCustomer(c:Customer):void
+deleteCustomer(customerID:String):void
+selectAllCustomers():List
XMLCustomerDAO
JDBCCustomerDAO
JDBCConnectionManager
uses
<< create >>+JDBCCustomerDAO():JDBCCustomerDAO
+selectCustomer(customerID:String):Customer
+deleteCustomer(customerID:String):void
+insertCustomer(c:Customer):void
+selectAllCustomers():List
#finalize():void
-dBUri:String= "jdbc:mysql://127.0.0.1:3306/pos"
-driverName:String= "com.mysql.jdbc.Driver"
-password:String= "practica"
-username:String= "practica"
<< create >>+ConnectionManager():JDBCConnectionManager
+getInstance():JDBCConnectionManager
+checkOut():Connection
+checkIn(conn:Connection):void
#finalize():void
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Created with Poseidon for UML Community Edition. Not for Commercial Use.
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