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Re: [wtp-dev] Flexible Project Structure Concepts Document

Hi Thomas,

A (server) runtime target is the compile time target for a particular project. When you target a project to a particular runtime, it will typically change the classpath, and may change validation or other settings on the project. It only takes as long as a rebuild.

The limitation that is outlined in the document is that there is only one runtime target per project, whereas the project may contain multiple applications or modules. The reason for this is simple - most Eclipse settings, like classpath, can only be defined at the project level. So if you have one module module per project, you have ultimate flexibility of targetting each module to a different runtime. When you put multiple modules in the same project, they will be targetted the same, regardless of whether they are going to be deployed to different servers. In my experience, this is not a huge restriction since putting the modules in the same project typically means that they have some affinity and will likely be deployed together.

This targetting is a build time statement, and ultimately does not affect deployment. Switching the target does not deploy the project to the new runtime or undeploy it in any way. Although we may warn you or provide some other mechanism for situations where you compile against one server and run on another, this may often make sense or not be an issue. To add or remove a module from a server, you can (among other ways) go to the Servers view, right click on a server, and choose Add/Remove Projects (note - menu item will be renamed now that there may be multiple modules per project). Moving modules to the right deploys them to the server, moving them to the left undeploys them.

Tim deBoer
WebSphere Tools - IBM Canada Ltd.
(905) 413-3503  (tieline 969)

Michael Elder <mdelder@xxxxxxxxxx>
Sent by: wtp-dev-admin@xxxxxxxxxxx

02/07/2005 03:40 PM

Please respond to

Re: [wtp-dev] Flexible Project Structure Concepts Document

The deployment or removal of an application will be handled by the Server
Tools Team led by Tim de Boer, who would be able to answer this question

Tim -- what are your comments on Thomas's question?

Kind Regards,

Michael D. Elder
Rational Studio / J2EE Tools Development
Ext: (919) 543-8356
T/L:  441-8356

Monday, February 07, 2005 3:36 PM
To: wtp-dev@xxxxxxxxxxx
From: Thomas Y <tyip.os@xxxxxxxxx>
Subject: Re: [wtp-dev] Flexible Project Structure Concepts Document

Hi Michael,

Well written document! :-)  Thank for the hard work.

I have question about server target.

In the doc, it says: "(3) The solution will not allow more than one
server target per module (and really per-project) at a time. The
ability to switch this server target (via some action or property
setting) will continue to be possible. Users that need the capability
to develop for multiple server targets will need to manually switch
and test as necessary."

Does a module being undeployed from the original server target when it
is switched?

If it does, undeployment following a full deployment can be very
expensive and taking tens of minutes with large apps.

If it doesn't, it seems that there is no way in web tools to undeploy a

Thomas Yip

On Fri, 4 Feb 2005 18:10:38 -0500, Michael Elder <mdelder@xxxxxxxxxx>
> Extended Team:
>         The following document provides an overview of the Flexible
> Support. We are targeting the completion of the first draft of the
> Project API for the M3 milestone. Most teams will not have enough time to
> react to the changes caused by this paradigm shift, but we should be in a
> position to bring them onto the new structure through the M4 cycle and
> update our design as necessary.
>       A more formal API and migration document will be delivered at the
> of the M3 cycle in preparation for teams to migrate during the M4
> iteration.
> Thank you for your feedback.
> -------------------------------------------------------------------------
> Kind Regards,
> Michael D. Elder
> Rational Studio / J2EE Tools Development
> Ext: (919) 543-8356
> T/L:  441-8356
> mdelder@xxxxxxxxxx
> _______________________________________________
> wtp-dev mailing list
> wtp-dev@xxxxxxxxxxx
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