Sergio Aragon

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since Feb 18, 2012
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Recent posts by Sergio Aragon

Hi,

I created a simple zip file. Then I changed .zip to .jar

Very simple steps in windows 7

Kind regards
Hi

I have passed my OCMJEA. I got a score of 147. Thanks for all your support.

Aditya Kumar
Jeanne Boyarsky
Amritendu De
Fernando Franzini

Kind regards
Thanks a lot A. Kumar!!

Your advice is very helpful

Kind regards
Hi Kumar

Thanks for your advice, now my submission jar is like this:

scea-AAAAAAAAA.jar
html files (exists an index.html file and exist other html files that are displayed in index.html)
images folder (contains all png images)


Kind reagards
Hi


I have my submission jar file like this:

scea-AAAAAAAAA.jar
scea-AAAAAAAAA (folder)
html files
images (folder)
png images

AAAAAAAAA = testing ID

is ok like this?

Kind regards
Hi

Where should I explain the use of internationalization?
A brief explanation in assumptions page?

Kind regards
Hi Jeanne B.

Well, I think that could be two values (two columns in database), one for save the ownership status and a second value for lock/unlock the oil product

Kind regards
Hi

In use case - Transfer Ownership - ship oil product there is a step where I have a doubt:


Step: The system records the status change and unlocks the oil product so that it can be accessed by the buyer / the buyer's transport company.


How do I should understand this "system unlocks the oil product"? , This means that the system records the status change and this new value unlocks the oil product?

Any idea? , please a little help

Kind regards

Hi

In the business domain model there are the following classes:

One class called Refinery, this class is related (association) with three classes (three different types of oil), also another class called Bid is associated with these three classes.

My idea is to add one class called OilProduct, this class will be associated with class Refinery and with class Bid.
OilProduct will be related (Inheritance / Generalization) with these three different types of oil.

Can I add this new class?
Can this cause a failure in my solution?

Kind regards
Hi all

I have this requirement,

The company provides a detailed portfoio breakdown for all clients (includes graphs and pie charts)
I decided to use Apache myFaces framework (tr:char component) to solve this requirement, but where should I explain it, in my assumptions?, is necessary to write lines of code or just a good explanation?


kind regards
I'm building a system, I will use two servers and one load balancer,
This company has more than 60,000 users and they expect 10,000 concurrent users, all transactions will occurs within 5 seconds. I'm planning that each server will handle 5,000 users.

I'm not sure how about this:

Amount of connections in HttpServer
Amount of threads in application server

I understand that I will find out this numbers when the system is in production but I need to start with something

Any sugestion or advice
10 years ago
I have this requirement:

There is a signed agreement with X bank to handle the transfer of funds from a CustomerĀ“s bank to their account with this company. Transfer of funds are held for three business days.

A brief description in the use case:
Company system sends a request to X bank
X bank responds with confirmation
System deposits cash in customer account.

In my explanation I decide to use JAX-WS for the Communication between both systems.
1.- Company system sends a request to X bank
2.- X bank responds with a ticket (Transaction number)
3.- Company system updates transfer status, per example "in process"
4.- X bank sends a request to Customer bank
5.- X bank completes transaction with customer bank
6.- X bank sends a confirmation to Company system
7.- Company system updates transfer status, per example "successful"
8.- Company system deposits cash in customer account
9.- Company system updates transfer status, per example "complete"

I'm sure that there is not an object that represents a transfer of funds in the business domain model.
I'm thinking to add in my class diagram one object called TransferFunds or with a similar name,
but maybe the examiner will think that this is a mistake because TransferFunds object is not in business domain model,

Also I'm thinking to do a simple solution for a transfer of funds and explain this in my assumptions because:

* Not exists an object related to a transfer of funds in the business domain model
* Use case - Transfer funds does not specifies to do a detailed transaction; per example, update transfer funds status (in process, successful, complete,...)
* Not exists an use case to display information about a transfer of funds, like history of transfer, details of each transfer
* There is a requirement about transfer of funds, but does not specified that the Company system must save information about the transfer

I can explain in my assumptions that save information about transfer of funds is out of scope, because business analysts and subject matter experts of the Company, didn't provide enough information about a tansfer of funds.

Any advice?
Hi Jeanne!.

Well, I will use a request with timeout of 2 or 3 seconds, if an exception occurs I will notify to the customer this situation, "service is unavailable, please try again later". Like a bank message when I try to transfer money to another bank account.

1.- Company system sends a request to X bank
2.- X bank is unavailable
3.- Company system notifies to the customer "service is unavailable, please try again later".

I will not put this transaction in a que or ArrayList and try to send all requests later,
because with this situation, maybe The customer goes to one Company office to deposit cash in his account

How to know:

when X bank is available?
If the customer still wants the transfer?

what do you think?

kind regards

Hi

Do I need to create one sequence diagram for a successful flow and a second sequence diagram for a failure flow (alternative flow if an exception occurs)?
per example, communication with an external system


Kind regards