Solved

Have custom function in a EJB

Posted on 2009-07-01
6
312 Views
Last Modified: 2013-11-24
Hi,

I've a integer field in the database, that represent a status. I want to display a text instead of this textField. So I've added a function called

public getTextStatus(){
....
}

But when I do this, I've this error:
Caused by: javax.el.PropertyNotFoundException: The class 'datamodel.Deal' does not have the property 'TextStatus'.


After this I've tried to add a fake EJB field and I've now this error.
Internal Exception: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'TEXTSTATUS' in 'field list'

I understand theses errors but I don't know how to bypass them.

Why generating this in the EJB? Because I need to display it in a table, (rich:datatable), and I was thinking it was the easier way.

Have you an idea?

Thanks!
0
Comment
Question by:Nargzul
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 3
  • 3
6 Comments
 
LVL 3

Expert Comment

by:serrutom
ID: 24754941
Did you add this function to your interface class?
0
 
LVL 1

Author Comment

by:Nargzul
ID: 24755020
Not really, because the EJB itself doesn't have an interface.

I've added this function to the entity, and after I use a session bean to access it(and this session bean has interfaces)
0
 
LVL 3

Accepted Solution

by:
serrutom earned 500 total points
ID: 24755977
If you want to add a getter to you EJB class that should not be persisted to the database you should add the @Transient annotation.

@Transient
public String getTextStatus() {
   ...
}

In you JSF page, did you use TextStatus or textStatus? The first letter of the property should be lower case in your JSF pages, and the error displays a capital T.

Can you post some code?
0
Webinar: Aligning, Automating, Winning

Join Dan Russo, Senior Manager of Operations Intelligence, for an in-depth discussion on how Dealertrack, leading provider of integrated digital solutions for the automotive industry, transformed their DevOps processes to increase collaboration and move with greater velocity.

 
LVL 1

Author Comment

by:Nargzul
ID: 24845072
When I add the @Transient before my getter, I got one error from netbeans, saying me the "There is no ID defined for this entity hierarchy"


I don't really know what changed, but now, without properties, only with a getter, it works.

It's maybe the Maj problem as you said. Thanks you for your help.
0
 
LVL 3

Expert Comment

by:serrutom
ID: 24846941
Was your property private or public?

If you have a public property, i think it will also be available and persisted.
0
 
LVL 1

Author Comment

by:Nargzul
ID: 24849164
I wasn't having a property, only getters and setters,

In fact the getter only take a String in an array, depending of the value of a persistent field.
0

Featured Post

MIM Survival Guide for Service Desk Managers

Major incidents can send mastered service desk processes into disorder. Systems and tools produce the data needed to resolve these incidents, but your challenge is getting that information to the right people fast. Check out the Survival Guide and begin bringing order to chaos.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
hibernate jars 4 61
Java: anonymous class 4 39
Notify sent to other threads in Java 9 43
jsp CRUD operations with and without prepared statement also hibernatge 1 31
Java contains several comparison operators (e.g., <, <=, >, >=, ==, !=) that allow you to compare primitive values. However, these operators cannot be used to compare the contents of objects. Interface Comparable is used to allow objects of a cl…
In this post we will learn different types of Android Layout and some basics of an Android App.
Viewers learn about the scanner class in this video and are introduced to receiving user input for their programs. Additionally, objects, conditional statements, and loops are used to help reinforce the concepts. Introduce Scanner class: Importing…
Viewers will learn about the regular for loop in Java and how to use it. Definition: Break the for loop down into 3 parts: Syntax when using for loops: Example using a for loop:

696 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question