Writing Java applications usually involves database connectivity.
The database connectivity requires some kind of object relational
mapping layer to be coded. This coding process is time consuming,
repetitive, error prone and can require some complex programming
when dealing with certain datatypes.
The JDatabase Wizard is a user friendly application which allows
developers to quickly specify, generate and revise the object
relational mapping layer for the application, so freeing them
to concentrate on the application's specifics.
Using The Wizard
Using the Wizard couldn't be simpler.
Select the database table, view or stored procedure.
Select the columns you wish to encapsulate.
Specify which SQL operations the class performs.
Generate the code
That amounts to no more than 5 minutes. It would take far longer
to do this repetitive task by hand.
The application is completely written in Java, using SWING
as the graphical interface. Runs on Windows, Linux...
The user interface is easy to understand and use right
The application is dynamic. The Wizard only gets schema
information when necessary. In this way the Wizard can be much
more responsive: there are no long waiting times for the Wizard
to download a complete database schema.
The Wizard provides high degree of control over the generated
classes. This is achieved by allowing individual database
columns to be earmarked for SQL Select, Insert or Update.
Database Tables, Views, SQL Queries and Stored Procedures
are supported by the Wizard.
The current version, has the ability to generate bean
managed persistence EJB source files.
Multiple queries for one Wizard entity can be encapsulated
within the same generated class. The "Where" and "Order
By" SQL clauses are entered by the user of the Wizard, matching
select, update or delete methods are generated by the Wizard for
the Java programmer to use. This also allows the user of the Wizard
to enter DBMS specific SQL syntax, if required.
Multiple classes can be generated for the same entity.
Some classes can be made to encapsulate only a selected number
of columns from a table or view, another class can encapsulate
the entire database entity's set of columns.
The full version uses project files to allow iterative code
generation: it is possible to come back and make changes,
then regenerate the code instantly. It is also possible to change
existing entries in the Wizard, and then regenerate the code,
without ever connecting to the database.
When coding against databases, there is the danger that the database
schema has been changed. This can cause programs to stop working
correctly. Finding the problem used to be tough. The wizard
can check the classes against the database for you. Any possibly
problematic changes are reported.
Datatype conversions are handled by the Wizard. LONGVARCHAR
for example is internally manipulated as a CharacterStream and
converted to a String for easier coding. It is also possible to
earmark specific columns of one type as of another type. For example,
if a database column is stored as a VARCHAR and the underlying
data is integral, the wizard can perform the data conversions.
Configurable JDBC type mapping. In some cases a JDBC driver
exposes a database type as an Object, when in fact it can be accessed
using getString() or such like. The Wizard allows "default
type maps" to be configured to generate just the right code
for each database type. The type mappings are stored in the project
We are constantly working on improving this product, you can
expect to see new features being added on a regular basis.
The Wizard is available in three versions:
- Evaluation Version: the product contains no support
for project files: no iterative code generation. This version
- Full Evaluation Version: the product allows project
files to be created and opened for a limited period. After
expiry, the product behaves like the evaluation version. This
version is free. To receive an evaluation key please send
an email to email@example.com.
- Full Version: support for project files is enabled,
the product does not expire. To purchase this version please
send an email to firstname.lastname@example.org.
After purchasing the product, you can expect full access to any
updates released, and friendly technical support for at least
The release notes can be viewed here.
The product manual is available online here.
It features many screenshots to illustrate the use of the wizard.
To download the product, please
send an email to email@example.com.