Need help in design/framework of a project requirements

Hi there.
I need some input/design suggestion and/or comments regarding 2 projects that I'm undertaking currently. The project duration is 8 weeks starting now.
Some background information of the current technology we are using right now. We are using weblogic 7.0 SP2 and our database is ms sqlserver 2000 and/or mysql. The persistance layer/framework we are using is a home grown JDBC framework. We are using only stateless session beans and our client which is a swing ui access the servers side thru webservices via a session facade. We use also Transfer objects on the client and our own DataObjects on the server side. Current consideration is that we can not upgrade to the current weblogic version at this time and can only use java 1.4 and use existing persistence framework we have. I've considered using Spring/Hibernate but it will involve major refactoring on our existing system, which we can not afford right now. But we can augment or add new framework to handle this 2 projects.
1. The first project is a mass update/creation of orders and order items. In our system the update and creation of order and order items are complicated and perform several validations (e.g. vendor/client is valid; item are valid and have enough to on-hand, etc.) and lookups before we can create/update an order and it's order items. We estimated that process to be around 1.5 - 3.0 secs and typically we will be processing between a few hundreds to about 5000. The max ceiling we put is 10,000.
Now the requirements are:
a. Ensure that the process will be completed and in the event of failure (physical or network or power) and recovery to start where it failed and start processing from that point of failure.
b. The transaction should be atomic on per order basis and not on whole process - meaning we will commit all changes for an order and start a new transaction on the next order. This will ensure that we have a complete order committed.
c. Don't tie the client from this process and when the process is finished give a feedback to the client who invoke the process.
2. The second project is related to the first, is that before they post the process above, the user will look at the set of data and do some editing and then post the data. So this project is on the UI side and would present the user a table/grid view of the data and since data set could be large, we want our swing ui to fetch only a set of rows/data so that it does not take so long to load all the data or run out of memory. A button or by the user scrolling on the scrollbar would fetch the next succeeding rows/data. The problem we have as stated on the first paragraph is these- we are using webservices and stateless session beans and there is no way that the server can recognized who the user is when that user request the next set of row/data set without querying the database again.
So your input and help is very much appreciated and if you know an existing framework that would help me is most welcome.
Have a blessed day.
Jun Victorio

Take the statistics of the tables and check again.
begin
DBMS_STATS.gather_table_stats(ownname=>'syslog',tabname=>'logs');
end;
Regards
Asif Kabir

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http://dmoz.org/Computers/Software/Graphics/3D/Models/
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*      @(#)TexturedPlane.java 1.0 99/08/02 16:06:00
* Copyright (c) 1996-1999 Sun Microsystems, Inc. All Rights Reserved.
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
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* which is disparaging to Sun.
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
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* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
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Hi,
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1.
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I hope it is clear enough for you to visualize what I am trying to do
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Hi,
Please try the below.. Hope this will solve your issue
Eg. of data
Dist. Channel -
Value
Dom1----100.5
exp1----200.4
dom2---50
exp2---75
Expected out put
Dist. Channel -
Value
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exp1----0
dom2---50
exp2---75
Steps1
Drag and drop Dist.Channel in row and value in colum
create a formula1 using ur kf value
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Steps2
create another fomula2
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: Eg 100.5 ceil(100.5) = 100 Now in our formula1 we are comparing these two values are equal or not ie 100.5 - 100 so out come will be 0 then 0100.5 = 0 always if our condition is true then 1100 = 100
Related Links :
Boolean Operator
http://help.sap.com/saphelp_nw04/helpdata/EN/71/0aec3b6e011341e10000000a114084/frameset.htm
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9866764834

MadhuKiran wrote:
Hi guys,
Can any one help out me in designing the shopping cart mall in servlets, jsp and oracle database. Nope. And nobody wants to. That's because a few million have already been designed and you're likely not going to improve upon existing shopping cart technology.
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9866764834Is that your phone number? OMG did you really just post your phone number?! If so, I think that's a first.

Need help in designing VLANS for 20 dept

I have 1000 nodes for which i am planning a Campus wide network , with 1 Layer three switch, some 15 L2 switches . I have some 20 different departments and need different ip schemes for all of them. I need this with security enabled so that the departments resources are safe. Please do suggest me how can i go for it . . .
Do suggest what IP scheme i can allot , if one dept is having 60 users and another is having 490 users .
Thanks in Advance,
Max

Hello Sai Krishna,
first of all you need a classless routing protocol like RIPV2, EIGRP or OSPF so that you can use different subnet masks as needed without wasting ip addresses.
Then you need to create an address plan that fits all your needs and leave space to grow.
Likely you will be using private ip addresses as described in RFC 1918.
For example you can use:
172.20.0.0/20
first you divide this space in /23 subnets that are good to host 490 users
172.20.0.0/23
172.20.2.0/23
172.20.14.0/23
for vlans with 60 users it is wise to leave space for additional hosts if needed in the future so I would use a /25 for them
let's take
172.20.12.0/23 further subnetting this with a /25 means moving to the right of two bits and gives four subnets:
172.20.12.0/25
172.20.12.128/25
172.20.13.0/25
172.20.13.128/25
this can accomodate 4 subnets/departments.
I wouldn't use subnets bigger then a /23 because otherwise the broadcast overhead becomes very great.
Having a multilayer switch you can also think to put the 490 users in two vlans/subnets.
About the security this depends on the security levels you want to build:
complete segregation of departments can be achieved with VRF lite (actullay different routing tables for each department).
Some level of control can be achieved by using ACLs applied on the SVI logical vlans interfaces on the L3 switch.
Hope to help
Giuseppe

Need help in design login page in struts

Friends. I am new to struts. I am designing one Login page which works fine. Now i want to add Remember Me option to login page. Help me to do this. Thanks in Advance.

Try this,
Action class
if(event check blah blah) {
                         Cookie usernameCookie = new Cookie("Username", strUserId);
                         usernameCookie.setMaxAge(60 * 60 * 24 * 30);
                         response.addCookie(usernameCookie);
                         Cookie passwordCookie = new Cookie("Password", strPassword);
                         passwordCookie.setMaxAge(60 * 60 * 24 * 30);
                         response.addCookie(passwordCookie);
                         Cookie checkCookie = new Cookie("Check", strCheck);
                         checkCookie.setMaxAge(60 * 60 * 24 * 30);
                         response.addCookie(checkCookie);
                    }else {
                         Cookie usernameCookie = new Cookie("Username", "");
                         response.addCookie(usernameCookie);
                         Cookie passwordCookie = new Cookie("Password", "");
                         response.addCookie(passwordCookie);
                         Cookie checkCookie = new Cookie("Check", eventname);
                         response.addCookie(checkCookie);
                    }in jsp
<bean:cookie id="uname" name="Username" value=""/>
<bean:cookie id="pword" name="Password" value=""/>
     <html:text property="UserId" value="<%=uname.getValue() %>"/>
     <html:password property="Password" value="<%=pword.getValue() %>"/>
     <logic:equal value="on" cookie="Check">
          <input type="checkbox" name="CheckBox" checked="checked" >
     </logic:equal>
     <logic:notEqual value="on" cookie="Check">
          <input type="checkbox" name="CheckBox">
     </logic:notEqual>
<html:submit property="" styleClass="button" ><bean:message key="button.login" /></html:submit>- vignesh

Need help in design/framework of a project requirements

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