Yes, yes, I just tested the methods, cause I don't want a howto with a
sourcecode that doesn't work as expected like the one you tried to follow
on
your howto. I will try to write something as soon as possible and I will
post it here ; ).
Adriano Crestani
On 12/5/06, Luciano Resende <[EMAIL PROTECTED]> wrote:
>
> Just want to make sure, we actually don't need to deliver an app for the
> HowTo, but give enough information on how someone would go and build
> one...
>
> See the howTo I created here :
>
> -
>
>
http://lresende.blogspot.com/2006_11_01_lresende_archive.html#116491398958651871
>
> Please let me know if you need any help writting it...
>
> --
> Luciano Resende
> http://people.apache.org/~lresende <http://people.apache.org/%7Elresende
>
>
> On 12/4/06, Adriano Crestani <[EMAIL PROTECTED]> wrote:
> >
> > OK, I've finished the tests on the methods I created for the howto and
> > everything seems to be working fine. As Luciano suggested there is no
> need
> > to make a jsp for the howto, so I think it's time to start writing the
> > howto, right Willian? Below the .java, .xml and the tables I've
created
> > for
> > this webapp.
> >
> > ShoppingCart.java
> >
> > package org.apache.tuscany.samples.web;
> >
> > import java.io.IOException;
> > import java.sql.DriverManager;
> > import java.sql.SQLException;
> > import java.sql.Statement;
> > import java.util.Vector;
> >
> > import javax.servlet.ServletException;
> > import javax.servlet.http.HttpServlet;
> > import javax.servlet.http.HttpServletRequest ;
> > import javax.servlet.http.HttpServletResponse;
> >
> > import org.apache.tuscany.das.rdb.Command;
> > import org.apache.tuscany.das.rdb.DAS;
> >
> > import commonj.sdo.DataObject;
> > import java.util.ArrayList;
> > import java.util.Iterator;
> > import java.util.List;
> >
> > public class CommandServlet extends HttpServlet {
> >
> > private static final long serialVersionUID = 1922159305255311505L;
> >
> > public CommandServlet() {}
> >
> > @Override
> > protected void doGet(HttpServletRequest arg0, HttpServletResponse
> > arg1)
> > throws ServletException, IOException {
> > Statement s = null;
> > CommandServlet shoppingCart = new CommandServlet();
> >
> > try {
> > s = getConnection().createStatement();
> > s.executeUpdate("delete from cart_item;");
> > s.executeUpdate("delete from item;");
> > s.executeUpdate("delete from cart;");
> > s.execute("commit;");
> > s.close();
> >
> > } catch (Exception e) {
> > e.printStackTrace();
> > }
> >
> > shoppingCart.newCart();
> > shoppingCart.newItem("motherboard", 5);
> > shoppingCart.newItem("mouse", 90);
> > shoppingCart.newItem("processor", 23);
> > shoppingCart.newItem("keyboard", 68);
> >
> > Vector allCarts = new Vector(getCarts());
> > DataObject cart = (DataObject) allCarts.firstElement();
> > int cartId = cart.getInt("ID");
> >
> > ArrayList allItems = new ArrayList(getItems());
> >
> > int c = 0;
> > int itemId = 0;
> > for (Iterator it = allItems.iterator(); it.hasNext();) {
> > c++;
> > DataObject item = (DataObject) it.next();
> > itemId = item.getInt("ID");
> > addCartItem(cartId, itemId, c);
> >
> > }
> >
> > removeCartItem(cartId, itemId);
> > confirmOrder(cartId);
> >
> > shoppingCart.print();
> >
> > }
> >
> > public void print() {
> > ArrayList carts = new ArrayList(getCarts());
> > ArrayList items = new ArrayList(getItems());
> >
> > for (Iterator it1 = carts.iterator(); it1.hasNext();) {
> > DataObject cart = (DataObject) it1.next();
> > ArrayList cartItems = new ArrayList(getCartItems(
cart.getInt
> > ("ID")));
> >
> > System.out.println("Cart " + cart.getInt("ID") + ":");
> > System.out.println(" Items:");
> >
> > for (Iterator it2 = cartItems.iterator(); it2.hasNext ();)
{
> > DataObject itemCart = (DataObject) it2.next();
> > DataObject item = getItem(itemCart.getInt("ITEM_ID"));
> >
> > System.out.println(" " + item.getString
("DESCR")
> +
> > "
> > - " + itemCart.getInt("QUANTITY") + " units");
> >
> > }
> >
> > System.out.println(" Subtotal: " + cart.getFloat
> > ("SUB_TOTAL"));
> > System.out.println(" Tax: " + cart.getFloat("TAX"));
> > System.out.println(" Total: " + cart.getFloat ("TOTAL")
+
> > "\n");
> >
> > }
> >
> > for (Iterator it = items.iterator(); it.hasNext();) {
> > DataObject item = (DataObject) it.next();
> >
> > System.out.println("Item " + item.getInt("ID") + ":");
> > System.out.println(" Description: " + item.getString
> > ("DESCR"));
> > System.out.println(" Units: " + item.getInt("UNITS") +
> > "\n");
> >
> > }
> >
> > }
> >
> > public DataObject getItem(int itemId) {
> > DAS das = DAS.FACTORY.createDAS
> > (getClass().getClassLoader().getResourceAsStream("
ShoppingCartConfig.xml
> > "),
> > getConnection());
> >
> > Command command = das.getCommand ("get item");
> > command.setParameter(1, itemId);
> > DataObject item = command.executeQuery();
> >
> > return item.getDataObject("ITEM[1]");
> >
> > }
> >
> > public void newCart() {
> > DAS das = DAS.FACTORY.createDAS
> > (getClass().getClassLoader().getResourceAsStream("
ShoppingCartConfig.xml
> > "),
> > getConnection());
> > Command command = das.getCommand("all carts");
> > DataObject allCarts = command.executeQuery();
> >
> > DataObject newCart = allCarts.createDataObject("CART");
> > newCart.setInt("CONFIRMED", 0);
> > allCarts.getList("CART").add(newCart);
> >
> > das.applyChanges(allCarts);
> >
> > }
> >
> > public void newItem(String description, int units) {
> > DAS das = DAS.FACTORY.createDAS
> > (getClass().getClassLoader().getResourceAsStream("
ShoppingCartConfig.xml
> > "),
> > getConnection());
> > Command command = das.getCommand ("all items");
> > DataObject allItems = command.executeQuery();
> >
> > DataObject newItem = allItems.createDataObject("ITEM");
> > newItem.setString("DESCR", description);
> > newItem.setInt("UNITS", units);
> >
> > allItems.getList("ITEM").add(newItem);
> > das.applyChanges(allItems);
> >
> > }
> >
> > public boolean confirmOrder(int cartId) {
> > DAS das = DAS.FACTORY.createDAS
> > (getClass().getClassLoader().getResourceAsStream("
ShoppingCartConfig.xml
> > "),
> > getConnection());
> > Command command = das.getCommand ("all cart items");
> > command.setParameter(1, new Integer(cartId));
> > DataObject cartItems = command.executeQuery();
> > ArrayList array = new ArrayList(cartItems.getList
("CART_ITEM"));
>
> >
> > // check if there are enough items in stock in case another
> cart,
> > that contains
> > // the same item, was ordered before
> > for (Iterator it = array.iterator(); it.hasNext ();) {
> > DataObject cartXItem = (DataObject) it.next();
> > int quantity = cartXItem.getInt("QUANTITY");
> > int itemId = cartXItem.getInt("ITEM_ID");
> >
> > command = das.getCommand("get item");
> > command.setParameter(1, new Integer(itemId));
> > DataObject itemRoot = command.executeQuery();
> > DataObject item = itemRoot.getDataObject("ITEM[1]");
> > int units = item.getInt("UNITS");
> >
> > if (quantity > units) {
> > return false;
> > }
> >
> > item.setInt("UNITS", units - quantity);
> > das.applyChanges(itemRoot);
> >
> > }
> >
> > command = das.getCommand("get cart");
> > command.setParameter(1, new Integer(cartId));
> > DataObject cart = command.executeQuery();
> > cart.getDataObject("CART[1]").setInt("CONFIRMED", 1);
> >
> > das.applyChanges(cart);
> > return true;
> >
> > }
> >
> > public List getCarts() {
> > DAS das = DAS.FACTORY.createDAS
> > (getClass().getClassLoader().getResourceAsStream("
> ShoppingCartConfig.xml
> > "),
> > getConnection());
> >
> > Command command = das.getCommand("all carts");
> > DataObject allCarts = command.executeQuery();
> >
> > return allCarts.getList("CART");
> >
> > }
> >
> > public List getItems() {
> > DAS das = DAS.FACTORY.createDAS
> > (getClass().getClassLoader().getResourceAsStream("
ShoppingCartConfig.xml
> > "),
> > getConnection());
> >
> > Command command = das.getCommand("all items");
> > DataObject allItems = command.executeQuery();
> >
> > return allItems.getList ("ITEM");
> >
> > }
> >
> > public List getCartItems(int cartId) {
> > DAS das = DAS.FACTORY.createDAS
> > (getClass().getClassLoader().getResourceAsStream("
ShoppingCartConfig.xml
> > "),
> > getConnection());
> >
> > Command command = das.getCommand("all cart items");
> > command.setParameter(1, new Integer(cartId));
> > DataObject allCartItems = command.executeQuery();
> >
> > return allCartItems.getList("CART_ITEM");
> >
> > }
> >
> > public void addCartItem(int cartId, int itemId, int quantity) {
> > DAS das = DAS.FACTORY.createDAS
> > (getClass().getClassLoader().getResourceAsStream("
ShoppingCartConfig.xml
> > "),
> > getConnection());
> >
> > Command command = das.getCommand("all carts x items");
> > DataObject allCartsXItems = command.executeQuery();
> > DataObject newCartXItem = allCartsXItems.createDataObject
> > ("CART_ITEM");
> >
> > newCartXItem.setInt("CART_ID", cartId);
> > newCartXItem.setInt("ITEM_ID", itemId);
> > newCartXItem.setInt("QUANTITY", quantity);
> >
> > allCartsXItems.getList("CART_ITEM").add(newCartXItem);
> > das.applyChanges(allCartsXItems);
> >
> > }
> >
> > public void removeCartItem(int cartId, int itemId) {
> > DAS das = DAS.FACTORY.createDAS
> > (getClass().getClassLoader().getResourceAsStream("
> ShoppingCartConfig.xml
> > "),
> > getConnection());
> >
> > Command command = das.getCommand("all cart items");
> > command.setParameter(1, new Integer(cartId));
> >
> > DataObject cartItem = command.executeQuery();
> > cartItem.getDataObject("CART_ITEM[1]").delete();
> >
> > das.applyChanges(cartItem);
> >
> > }
> >
> > private static java.sql.Connection getConnection() {
> >
> > try {
> > Class.forName("com.mysql.jdbc.Driver");
> > } catch(ClassNotFoundException e) {
> > e.printStackTrace();
> > return null;
> >
> > }
> >
> > try {
> > java.sql.Connection con = DriverManager.getConnection(
> >
> > "jdbc:mysql://localhost:3306/shoppingcart","root","tuscany");
> > con.setAutoCommit(false);
> > return con;
> >
> > } catch(SQLException e) {
> > e.printStackTrace();
> > return null;
> >
> > }
> >
> > }
> >
> > }
> >
> > ShoppingCartConfig.xml
> >
> > <?xml version="1.0" encoding="ASCII"?>
> > <Config xmlns=" http:///org.apache.tuscany.das.rdb/config.xsd";>
> >
> > <ConnectionInfo dataSource="java:comp/env/jdbc/shoppingcart"/>
> >
> > <Command name="all carts" SQL="SELECT * FROM CART" kind="Select"/>
> >
> > <Command name="all carts x items" SQL="SELECT * FROM CART_ITEM"
> > kind="Select"/>
> >
> > <Command name="get cart item" SQL="SELECT * from CART_ITEM WHERE
> > CART_ID
> > = ? AND ITEM_ID = ?" kind="Select"/>
> >
> > <Command name="all cart items" SQL="SELECT * from CART_ITEM WHERE
> > CART_ID = ?" kind="Select"/>
> >
> > <Command name="all items" SQL="select * FROM
ITEM" kind="Select"/>
> >
> > <Command name="get item" SQL="select * FROM ITEM WHERE ID = ?"
> > kind="Select"/>
> >
> > <Command name="get cart" SQL="select * FROM CART WHERE ID = ?"
> > kind="Select"/>
> >
> >
> > <Table tableName="CART">
> > <Column columnName="ID" primaryKey="true" generated="true"/>
> > </Table>
> >
> >
> > </Config>
> >
> > The tables for mysql server 5.0:
> >
> > CREATE TABLE CART (
> > ID INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY,
> > SUB_TOTAL DOUBLE,
> > TAX DOUBLE,
> > TOTAL DOUBLE,
> > CONFIRMED INTEGER
> > );
> >
> > CREATE TABLE ITEM (
> > ID INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY,
> > DESCR CHAR(30),
> > UNITS INTEGER
> > );
> >
> > CREATE TABLE CART_ITEM (
> > ID INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY,
> > CART_ID INTEGER,
> > ITEM_ID INTEGER,
> > QUANTITY INTEGER,
> > FOREIGN KEY (CART_ID) REFERENCES CART(ID),
> > FOREIGN KEY (ITEM_ID) REFERENCES ITEM(ID)
> > );
> >
> > Adriano Crestani
> >
> > On 12/4/06, Adriano Crestani <[EMAIL PROTECTED]> wrote:
> > >
> > > Sorry, but I was a bit busy last week. I'm still trying to finish
that
>
> > > methods for the howto. I'm getting some problems when I try to
remove
> > any
> > > tuple from the database, but I think it's a jdbc problem. I'm
actually
> > > working on it and if I find any specific problem I will post it here
;
>
> > ).
> > > Hey, Willian, have you written anything?
> > >
> > > Adriano Crestani
> > >
> > > On 12/4/06, Luciano Resende <[EMAIL PROTECTED] > wrote:
> > > >
> > > > Hi Adriano and William
> > > >
> > > > Any progress with the HOW-TO ? Any blocking issues ? Any help,
> > > > guidance
> > > > needed ?
> > > >
> > > > - Luciano
> > > >
> > > > On 11/17/06, Katja <[EMAIL PROTECTED]> wrote:
> > > > >
> > > > > Hi Willian!
> > > > >
> > > > > Thanks for your test! Now I found my error and everything works!
> > > > >
> > > > > The problem was, that in the bigbank sample a mapping between
the
> > > > table
> > > > > and the SDO is used. The SDO classes are generated from WSDL
with
> > > > XSD2SDO.
> > > > > The mapping connects these classes to the tables.
> > > > >
> > > > > In the original bigbank sample the
DASAccountConfiguration.xmllooks
> > > > like:
> > > > > <Table tableName="STOCKS" typeName="StockSummary">
> > > > > <Column columnName="ID" propertyName="id" />
> > > > > <Column columnName="Symbol" propertyName="symbol" />
> > > > > <Column columnName="quantity" propertyName="quantity" />
> > > > > <Column columnName="purchasePrice"
propertyName="purchasePrice"
> />
> > > > > <Column columnName="PURCHASEDATE" propertyName="purchaseDate"
> > > > > converterClassName="
> > > > >
> > > >
> >
>
bigbank.account.services.accountdata.AccountDataServiceDASImpl$DateConverter
> > > > "
> > > > > />
> > > > > </Table>
> > > > >
> > > > > I had problems with the Timestamp-column "PURCHASEDATE" only
> because
> > > > it
> > > > > was misspelled. The right spelling of the column name is
> > > > "purchaseDate". I
> > > > > changed it, and now it works.
> > > > >
> > > > > Maybe this should be changed in the repository to prevent others
> of
> > > > this
> > > > > error.
> > > > >
> > > > > If you are interested, here is the code which is used to read
from
>
> > the
> > > > > database:
> > > > >
> > > > > //Reading mapping from DASAccountConfiguration.xml
> > > > > InputStream mapping = createConfigStream();
> > > > >
> > > > > Connection conn = getConnection();
> > > > > DAS das = DAS.FACTORY.createDAS(mapping, conn);
> > > > >
> > > > > Command select = das.createCommand("SELECT Symbol, quantity,
> > > > > purchasePrice, purchaseDate, purchaseLotNumber FROM stocks
where
> id
> > =
> > > > ?");
> > > > > select.setParameter(1, customerID);
> > > > >
> > > > > DataObject root = select.executeQuery();
> > > > > accountReport.getStockSummaries().addAll(root.getList
> > > > ("StockSummary"));
> > > > >
> > > > > Thanks,
> > > > > Katja
> > > > >
> > > > > -------- Original-Nachricht --------
> > > > > Datum: Thu, 16 Nov 2006 18:00:26 +0000
> > > > > Von: "Willian Maja" < [EMAIL PROTECTED]>
> > > > > An: [email protected]
> > > > > Betreff: Re: New proposal to make DAS/SDO HOW TO
> > > > >
> > > > > > I think I didn't understand what you want. But i tested using
> > > > TimeStamp
> > > > > > and
> > > > > > DateTime:
> > > > > >
> > > > > > CREATE TABLE test (ID integer not null AUTO_INCREMENT,
> > > > timestamp
> > > > > > timestamp, datetime datetime, primary key (ID));
> > > > > >
> > > > > > INSERT INTO test VALUES ();
> > > > > >
> > > > > > This will create the following row:
> > > > > >
> > > > > > | 1 | 2006-11-16 14:10:24.0 | NULL
> > > > > >
> > > > > >
> > > > > > Now I will read the timestamp:
> > > > > >
> > > > > > Command read = das.createCommand("select * from
test");
> > > > > > DataObject root = read.executeQuery();
> > > > > > DataObject node = root.getDataObject("test[1]");
> > > > > > java.util.Date date = node.getDate("timestamp"); //
You
> > > > must
> > > > > use
> > > > > > java.util.Date, not java.sql.Date
> > > > > >
> > > > > > System.out.println(date.getHours()); // Print the
hours
>
> > > > > > System.out.println(date.getMonth()); // Print the
month
> > > > > > System.out.println(node.getDate("date")); // Print
the
> > > > > TimeStamp
> > > > > > ex:2006-11-16 14:12:23.0
> > > > > >
> > > > > >
> > > > > > To save DateTime I used the following code:
> > > > > > //Continuing the last code, I'm going to save the
> > TimeStamp
> > > > in
> > > > > > the
> > > > > > DateTime column
> > > > > > node.setDate("datetime", date);
> > > > > > das.applyChanges(root);
> > > > > >
> > > > > > Now the row 1 from the test table will be:
> > > > > >
> > > > > > | 1 | 2006-11-16 14:10:24.0 | 2006-11-16 14:10:
> 24.0
> > > > > >
> > > > > >
> > > > > > I read/updated the row with datetime and timestamp column.
> > > > > > If this wasn't what you want, please send me the code you want
> to
> > > > make
> > > > > > work
> > > > > > with SDO/Mysql.
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > >From: "Katja" < [EMAIL PROTECTED]>
> > > > > > >Reply-To: [email protected]
> > > > > > >To: [email protected]
> > > > > > >Subject: Re: New proposal to make DAS/SDO HOW TO
> > > > > > >Date: Thu, 16 Nov 2006 17:29:58 +0100
> > > > > > >
> > > > > > >Hi Willian!
> > > > > > >
> > > > > > >Thank you for the example! You tested with a Date-Column,
that
> > > > worked
> > > > > in
> > > > > > my
> > > > > > >application, too, because no conversion between the column
and
> > the
> > > > data
> > > > > > >object value is necessary.
> > > > > > >
> > > > > > >With DateTime a converter is needed:
> > > > > > >SDO format: 2006-11-16T17:22
> > > > > > >MySQL format: 2006-11-16 17:22
> > > > > > >
> > > > > > >The bigbank sample has a DateConverter for this issue, but
this
> > > > does
> > > > > only
> > > > > > >work with Derby and not with MySQL. I don't know why. I
posted
> > the
> > > > > error
> > > > > > >last time:
> > > > > > >
> > http://www.mail-archive.com/[email protected]/msg10725.html
> > > > > > >
> > > > > > >It would be great, if you could test again with a DateTime or
> > > > Timestamp
> > > > > > >column and tell me your solution.
> > > > > > >
> > > > > > >Thanks,
> > > > > > >Katja
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >-------- Original-Nachricht --------
> > > > > > >Datum: Thu, 16 Nov 2006 16:08:48 +0000
> > > > > > >Von: "Willian Maja" < [EMAIL PROTECTED]>
> > > > > > >An: [email protected]
> > > > > > >Betreff: Re: New proposal to make DAS/SDO HOW TO
> > > > > > >
> > > > > > > > Hi Katja,
> > > > > > > >
> > > > > > > > I've just tested to read Date column, and it works.
I'm
> > > > going to
> > > > > > >paste
> > > > > > > > my code here for you:
> > > > > > > >
> > > > > > > > This will be the test table, it's just a simple table with
a
>
> > > > > DateTime
> > > > > > > > Column.
> > > > > > > >
> > > > > > > > CREATE TABLE test (ID integer not null AUTO_INCREMENT,
> > > > date_column
> > > > > > >date);
> > > > > > > > INSERT INTO test (date_column) VALUES ("06-11-16");
> > > > > > > >
> > > > > > > > Now you should create your Das connection. In my code
> example
> > > > I'll
> > > > > not
> > > > > > >use
> > > > > > > > XML configuration. I'm going to create the Command:
> > > > > > > >
> > > > > > > > Command read = das.createCommand("select * from
> > test");
> > > > > > //Create
> > > > > > > > the
> > > > > > > > Command
> > > > > > > > DataObject root = read.executeQuery();
> > > > > > > > DataObject row = root.getDataObject("teste[1]");
//
> > Get
> > > > the
> > > > > > >first
> > > > > > > > row from test table;
> > > > > > > > System.out.println (row.getDate("date_column"));
//
> > > > Print the
> > > > > > > > DateTime
> > > > > > > >
> > > > > > > >
> > > > > > > > I think this will help you :).
> > > > > > > >
> > > > > > > > Bye.
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > >From: "Katja" <[EMAIL PROTECTED] >
> > > > > > > > >Reply-To: [email protected]
> > > > > > > > >To: [email protected]
> > > > > > > > >Subject: Re: New proposal to make DAS/SDO HOW TO
> > > > > > > > >Date: Thu, 16 Nov 2006 09:14:28 +0100
> > > > > > > > >
> > > > > > > > >Hi!
> > > > > > > > >
> > > > > > > > >Is it possible to add a Timestamp or DateTime column to
the
> > > > > database?
> > > > > > I
> > > > > > > > am
> > > > > > > > >very interested in how to access these columns with DAS
and
> > > > MySQL
> > > > > > >because
> > > > > > > > I
> > > > > > > > >have not succeeded in doing this.
> > > > > > > > >
> > > > > > > > >Thanks,
> > > > > > > > >Katja
> > > > > > > > >
> > > > > > > > >-------- Original-Nachricht --------
> > > > > > > > >Datum: Thu, 16 Nov 2006 03:44:18 -0400
> > > > > > > > >Von: "Adriano Crestani" < [EMAIL PROTECTED]>
> > > > > > > > >An: [email protected]
> > > > > > > > >Betreff: Re: New proposal to make DAS/SDO HOW TO
> > > > > > > > >
> > > > > > > > > > Willian, I created these tables, that will possible be
> > used
> > > > in
> > > > > the
> > > > > > > > > > shopping
> > > > > > > > > > cart app. It's simple, but I think a howto sample must
> be
> > > > > simple.
> > > > > > >And
> > > > > > > > if
> > > > > > > > > > you
> > > > > > > > > > want to add anything, feel free ; )
> > > > > > > > > >
> > > > > > > > > > CREATE TABLE CART (
> > > > > > > > > > ID INTEGER,
> > > > > > > > > > PRIMARY KEY (ID)
> > > > > > > > > > );
> > > > > > > > > >
> > > > > > > > > > CREATE TABLE ITEM (
> > > > > > > > > > ID INTEGER,
> > > > > > > > > > ITEM VARCHAR(30),
> > > > > > > > > > UNITS INTEGER,
> > > > > > > > > > CART_ID INTEGER,
> > > > > > > > > > PRIMARY KEY (ID),
> > > > > > > > > > FOREIGN KEY (CART_ID) REFERENCES CART(ID)
> > > > > > > > > > );
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > On 11/16/06, Luciano Resende <[EMAIL PROTECTED] >
> > wrote:
> > > > > > > > > > >
> > > > > > > > > > > Hey Guys
> > > > > > > > > > >
> > > > > > > > > > > Very good to see some progress and some contents
> > being
> > > > > > >generated.
> > > > > > > > I
> > > > > > > > > > > agree
> > > > > > > > > > > with you guys when you say this is becoming more
like
> a
> > > > user
> > > > > > >guide,
> > > > > > > > > > > instead
> > > > > > > > > > > of a How To, and building it describing a new
scenario
>
> > > > would
> > > > > > > > probably
> > > > > > > > > > make
> > > > > > > > > > > things more clear, altough let's try to keep it
simple
>
> > on
> > > > the
> > > > > > > > >beginning,
> > > > > > > > > > > otherwise we are going to get a White paper :)
> > > > > > > > > > >
> > > > > > > > > > > I think we should describe actions that you would
> > take
> > > > when
> > > > > > > > trying
> > > > > > > > >to
> > > > > > > > > > > create an application and describe how you would do
it
> (
> > > > e.gNow
> > > > > > we
> > > > > > > > >need
> > > > > > > > > > to
> > > > > > > > > > > execute a query to read the list of products, and
this
> > is
> > > > how
> > > > > > you
> > > > > > > > >would
> > > > > > > > > > do
> > > > > > > > > > > using DAS), and point the user to further
> documentation
> > in
> > > >
> > > > > case
> > > > > > it
> > > > > > > > > > > needs/want to know more about the specific feature (
> e.gif
> > > > > they
> > > > > > >want
> > > > > > > > >to
> > > > > > > > > > > learn the whole syntax/xsd of the das config file).
> > > > > > > > > > >
> > > > > > > > > > > I think couple things should not be covered on
the
> > How
> > > > to :
> > > > > > > > > > > - How to build a war file
> > > > > > > > > > > - How to create a database (altough you might
> > > > provide
> > > > > the
> > > > > > >SQL
> > > > > > > > > > > statements to create the tables you would use or at
> > least
> > > > > > describe
> > > > > > > > the
> > > > > > > > > > DB
> > > > > > > > > > > schema)
> > > > > > > > > > >
> > > > > > > > > > > Now, talking about what should be in this how-to
> > > > > > > > > > > - We could start very simple... 1 product
table,
> > and
> > > > one
> > > > > > > > simple
> > > > > > > > > > jsp
> > > > > > > > > > > that gives you a list of the products available
> > > > > > > > > > > - Using MySQL is good, altough this how to
> should
> > > > not
> > > > > > really
> > > > > > > > be
> > > > > > > > > > > database dependent, right ? we could point it to any
> > > > database,
> > > > > > and
> > > > > > > > you
> > > > > > > > > > > guys
> > > > > > > > > > > could maybe elaborate on what change would be
> necessary
> > to
> > > > do
> > > > > > this
> > > > > > > > :)
> > > > > > > > > > >
> > > > > > > > > > > Also, I think this how to does not necessarily
need
>
> > to
> > > > > > produce
> > > > > > >a
> > > > > > > > > > > working
> > > > > > > > > > > application, as it's intended to show how people
would
>
> > use
> > > > > DAS.
> > > > > > If
> > > > > > > > we
> > > > > > > > > > want
> > > > > > > > > > > to spend time creating an application, I'd suggest
> doing
> > > > this
> > > > > as
> > > > > > > > >another
> > > > > > > > > > > task, and finish the one I have started as part of
> > > > > > > > > > > http://issues.apache.org/jira/browse/TUSCANY-800
> > > > > > > > > > >
> > > > > > > > > > > Let me know if you have any further questions...
let's
>
> > > > > continue
> > > > > > to
> > > > > > > > > > > updating
> > > > > > > > > > > the wiki, and please let me know when you guys want
me
>
> > to
> > > > take
> > > > > a
> > > > > > > > look
> > > > > > > > > > and
> > > > > > > > > > > provide a feedback on the contents...
> > > > > > > > > > >
> > > > > > > > > > > BTW, others are welcome to voice their opinion on
what
> > > > > direction
> > > > > > >we
> > > > > > > > > > should
> > > > > > > > > > > take here...
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > - Luciano Resende
> > > > > > > > > > > Apache Tuscany
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > > On 11/15/06, Adriano Crestani <
> > [EMAIL PROTECTED]>
> > > > > wrote:
> > > > > > > > > > > >
> > > > > > > > > > > > I've decribed the XML configuration file, but it's
> > still
> > > > > > looking
> > > > > > > > >like
> > > > > > > > > > a
> > > > > > > > > > > > user
> > > > > > > > > > > > guide than a howto. I think the CompanyWeb sample
is
> > to
> > > > > simple
> > > > > > >and
> > > > > > > > > > > doesn't
> > > > > > > > > > > > cover well all the DAS features. So lets make this
> > > > Shopping
> > > > > > Cart
> > > > > > > > > > > > application
> > > > > > > > > > > > trying to use all the DAS features. Then we will
be
> > able
> > > > to
> > > > > do
> > > > > > a
> > > > > > > > >very
> > > > > > > > > > > > useful
> > > > > > > > > > > > howto.
> > > > > > > > > > > >
> > > > > > > > > > > > My propose is that this app must have at least:
> > > > > > > > > > > >
> > > > > > > > > > > > - 1 functionality that requires a SQL command
> > with
> > > > > > >arguments.
> > > > > > > > > > Then
> > > > > > > > > > > we
> > > > > > > > > > > > cover how to deal with arguments in SQL commands.
> > > > > > > > > > > >
> > > > > > > > > > > > - 1 table that has one autoincrement key
column
> to
> > > > cover
> > > > > > the
> > > > > > > > > > > > "genarated"
> > > > > > > > > > > > attribute on the howto.
> > > > > > > > > > > >
> > > > > > > > > > > > - 1 table that requires a concurrency control
to
> > > > cover
> > > > > the
> > > > > > > > > > > > "concurrency"
> > > > > > > > > > > > attribute on the howto.
> > > > > > > > > > > >
> > > > > > > > > > > > - 1 table containing a foreign key to cover how
> to
> > > > > explicit
> > > > > > >in
> > > > > > > > >the
> > > > > > > > > > > XML
> > > > > > > > > > > > configuration file the link between two tables.
> There
> > > > will
> > > > > > > > probabily
> > > > > > > > > > be
> > > > > > > > > > > a
> > > > > > > > > > > > foreign key in its database anyway. ; )
> > > > > > > > > > > >
> > > > > > > > > > > > I think also a good idea to use the MySql as the
> > > > database
> > > > > > >server,
> > > > > > > > >once
> > > > > > > > > > > > it's
> > > > > > > > > > > > the most used server on webapps ; )
> > > > > > > > > > > >
> > > > > > > > > > > > We must discuss how will be the Shopping Cart GUI,
> it
> > > > must
> > > > > be
> > > > > > > > simple
> > > > > > > > > > > once
> > > > > > > > > > > > it's not the focus of our howto. I think a simple
> html
> > > > > > genarated
> > > > > > > > by
> > > > > > > > >a
> > > > > > > > > > > jsp
> > > > > > > > > > > > is
> > > > > > > > > > > > enough. ; )
> > > > > > > > > > > >
> > > > > > > > > > > > Adriano Crestani
> > > > > > > > > > > >
> > > > > > > > > > > > On 11/15/06, Willian Yabusame Maja <
> > > > [EMAIL PROTECTED]>
> > > > > > > > wrote:
> > > > > > > > > > > > >
> > > > > > > > > > > > > Hello Tuscany Community!
> > > > > > > > > > > > >
> > > > > > > > > > > > > Adriano Crestani and I are working together
on
> a
> > > > > > >HelloWorld
> > > > > > > > >DAS
> > > > > > > > > > > "How
> > > > > > > > > > > > > To". I have uploaded what we have done so far to
> > > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > >
> > > > > > > >
> > > > > > >
> > > > > > >
> > > > >
> >
>
http://wiki.apache.org/ws/Tuscany/TuscanyJava/DAS_Java_Overview/RDBDAS_HOWTO_HelloDASApp
> > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > We were using the CompanyWeb sample
> application
> > to
> > > > > make
> > > > > > >this
> > > > > > > > > > > > > step-by-step how-to and teach how to use the
> DAS/SDO
> > > > > > Features.
> > > > > > > > We
> > > > > > > > > > are
> > > > > > > > > > > > not
> > > > > > > > > > > > > liking what this is becoming, as it's looking
more
>
> > > > like a
> > > > > > > > > > > > user-gide/readme
> > > > > > > > > > > > > then really a how-to, so we would like to do a
new
> > > > > proposal
> > > > > > :
> > > > > > > > > > > > >
> > > > > > > > > > > > > Use the scenario of a Shopping cart, and use
> it
> > to
> > > > > > explain
> > > > > > > > >more
> > > > > > > > > > > > about
> > > > > > > > > > > > > how to build it using DAS to handle the
> persistence
> > > > part
> > > > > of
> > > > > > >the
> > > > > > > > > > app...
> > > > > > > > > > > > >
> > > > > > > > > > > > > The topics would be:
> > > > > > > > > > > > > Introducing the scenario and the
> motivation
> > to
> > > > use
> > > > > > > > DAS/SDO
> > > > > > > > > > > > > Initial Setup and environment
assumptions
> > > > > > > > > > > > > Building the application
> > > > > > > > > > > > > - database
> > > > > > > > > > > > > - DAS commands
> > > > > > > > > > > > > - Configuring the XML and how to
> > make
> > > > the
> > > > > > > > commands
> > > > > > > > > > > > > Explain the DAS/SDO and how to read/get
> > > > results
> > > > > > > > > > > > > conclusion
> > > > > > > > > > > > >
> > > > > > > > > > > > >
> > > > > > > > > > > > > Before we change our path to this new
> approach,
> > we
> > > > > would
> > > > > > > > like
> > > > > > > > >to
> > > > > > > > > > > > hear
> > > > > > > > > > > > > some feedback on what you guys think about this
> new
> > > > > > >approach....
> > > > > > > > > > > > >
> > > > > > > > > > > > > Willian Yabusame Maja
> > > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > > > >
> > > > > > > > >
> > > > > > > > >--
> > > > > > > > >Der GMX SmartSurfer hilft bis zu 70% Ihrer Onlinekosten
zu
> > > > sparen!
> > > > > > > > >Ideal f�r Modem und ISDN:
> > http://www.gmx.net/de/go/smartsurfer
> > > > > > > > >
> > > > > > > >
> > > > >
> > >---------------------------------------------------------------------
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> > [EMAIL PROTECTED]
> > > >
> > > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > _________________________________________________________________
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> > http://search.msn.com.br
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> > > > > > > >
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http://www.gmx.net/de/go/smartsurfer
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> > > > > --
> > > > > Der GMX SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu
sparen!
> > > > > Ideal f�r Modem und ISDN: http://www.gmx.net/de/go/smartsurfer
> > > > >
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> > > >
> > > > --
> > > > Luciano Resende
> > > > http://people.apache.org/~lresende
> <http://people.apache.org/%7Elresende>
> > > > <http://people.apache.org/%7Elresende>
> > > >
> > >
> > >
> >
>
