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RE: [wtp-dev] Enablement expression support in validator ext point
|
Why would this deprecation message ever
have to be part of the log that is sent to support? Its not doing them,
or the user, any good.
Tim has given one example, and, I, as
another battled-scared committer of this mistake, have had "real life"
experience ... I did something similar once, and probably got 5 or
10 "official" support phone calls about "what does this
warning mean", my customer is wondering if its related to the bug
they are having (and while obvious to developers it wasn't related ...
it is not so obvious to support people or customers) ... and I must have
gotten 20 similar calls from "add on" providers -- so, I think
the cost of confusion outweighs the benefits.
So, I don't see it as "theoretical"
... There's better mechanisms for both deprecations warnings and for plugin
developer aides. Let's use them.
And .. careful .. if you have strong
views on logging, I am looking for someone to own the logging strategy
for WTP :)
"Konstantin Komissarchik"
<kosta@xxxxxxx>
Sent by: wtp-dev-bounces@xxxxxxxxxxx
04/17/2006 06:56 PM
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Subject
| RE: [wtp-dev] Enablement _expression_
support in validator ext point |
|
I disagree. PDE error log is
not an end-user tool. It’s meant to help plugin authors identify problems
that occur at runtime. As in support directing the customer to send the
error log to them for trouble shooting. Your average user should not have
any need to look at the log (it’s hidden by default). If they do, that
just means that we are not doing our jobs.
Regarding the particular question
of using the log to report deprecation warnings, I believe that this is
not inconsistent with what the PDE error log is supposed to be used for
and is the best tool we have for making sure that usage of deprecated functionality
does not go unnoticed by the plugin owner. Everyone is happier when there
are fewer surprises as the deprecated functionality is removed in the next
release. I also don’t agree that this hides real errors as there is very
good visual separation between warnings and errors and deprecation reporting
only needs to produce one message per extension point / plugin combination
(not a lot).
- Konstantin
From: wtp-dev-bounces@xxxxxxxxxxx
[mailto:wtp-dev-bounces@xxxxxxxxxxx] On Behalf Of David M Williams
Sent: Monday, April 17, 2006 3:38 PM
To: General discussion of project-wide or architectural issues.
Subject: RE: [wtp-dev] Enablement _expression_ support in validator ext
point
I agree with Tim. We should only log things we think users/consumers should
see ... otherwise, please "hide" unless turned on with
some explicit -debug .facet-options flag.
(and, encourage *developers* to clean up their warnings, and/or turn on
deprecated extension points to the 'error' level -- PDE i s your friend
:)
Timothy Deboer <deboer@xxxxxxxxxx>
Sent by: wtp-dev-bounces@xxxxxxxxxxx
04/17/2006 04:00 PM
Please respond to
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project-wide or architectural issues." <wtp-dev@xxxxxxxxxxx>
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Subject
| RE: [wtp-dev] Enablement _expression_
support in validator ext point |
|
Hi,
While I agree that a little incentive helps to move people off deprecated
API, deprecated Java code doesn't produce output at runtime and I'm not
sure that extension points should. Throwing everything out to the .log
hides real errors and can produce a lot of extraneous output. When the
similar change was made in facets I received several email from panicked
users who thought WTP was failing or blamed other problems on the errors
in the log.
Thanks,
Tim deBoer
WebSphere Tools - IBM Canada Ltd.
(905) 413-3503 (tieline 969)
deboer@xxxxxxxxxx
"Konstantin Komissarchik"
<kosta@xxxxxxx>
Sent by: wtp-dev-bounces@xxxxxxxxxxx
17/04/2006 02:14 PM
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Subject
| RE: [wtp-dev] Enablement _expression_
support in validator ext point |
|
Vijay,
You may want to consider logging deprecation warnings into PDE Error Log
when the deprecated extension syntax is detected. The deprecation warning
should include the id of the plugin that the deprecated syntax is used
in. This way the plugin owner is more likely to become aware that they
are using deprecated syntax and will transition to the new syntax more
quickly.
I have done this for all the syntax that I have deprecated in the faceted
project framework.
- Konstantin
From: wtp-dev-bounces@xxxxxxxxxxx [mailto:wtp-dev-bounces@xxxxxxxxxxx]
On Behalf Of Vijay Bhadriraju
Sent: Monday, April 17, 2006 11:07 AM
To: General discussion of project-wide or architectural issues.
Cc: General discussion of project-wide or architectural issues.; wtp-dev-bounces@xxxxxxxxxxx
Subject: Re: [wtp-dev] Enablement _expression_ support in validator ext
point
Yes, enablement is the recommended way to filter validators based on facets,
the facet filters has been deprecated but will continue to work.
Regards, Vijay
_____________________________
Vijay Bhadriraju
Rational Tools, J2EE Tooling
Ph: (919) 486-1898, T/L: 526-1898
Internet: vbhadrir@xxxxxxxxxx
_____________________________
Lawrence Mandel <lmandel@xxxxxxxxxx>
Sent by: wtp-dev-bounces@xxxxxxxxxxx
04/17/2006 12:10 PM
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Subject
| Re: [wtp-dev] Enablement _expression_
support in validator ext point |
|
Hi Vijay,
Is the enablement method now the recommended way to restrict based on facets?
Has the facet filters support been deprecated?
Thanks,
Lawrence Mandel
Software Developer
IBM Rational Software
Phone: 905 - 413 - 3814 Fax: 905 - 413 - 4920
lmandel@xxxxxxxxxx
Vijay Bhadriraju <vbhadrir@xxxxxxxxxx>
Sent by: wtp-dev-bounces@xxxxxxxxxxx
04/16/2006 10:52 PM
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Subject
| [wtp-dev] Enablement _expression_ support
in validator ext point |
|
The support for enablement _expression_ as shown below has been added to
the validator extension point. The facet filters support added in the validator
ext point in addition to natures did not scale very well and additional
requirements from some extended teams drove the need for the enablement
support which scales very well. This _expression_ support covers all
the combinations that the FacetedProjectPropertyTester
provides as this is the tester class that is used under the covers for
property and value strings.
The ejb validator is changed to use this support instead of facet filters
<extension
id="EJBValidator"
name="%EJB_VALIDATOR"
point="org.eclipse.wst.validation.validator">
<validator>
<enablement>
<and>
<test
property="org.eclipse.wst.common.project.facet.core.projectFacet"
value="jst.java"/>
<test
property="org.eclipse.wst.common.project.facet.core.projectFacet"
value="jst.ejb"/>
</and>
</enablement>
<filter
objectClass="org.eclipse.core.resources.IFile"
nameFilter="ejb-jar.xml">
</filter>
<filter
objectClass="org.eclipse.core.resources.IFile"
nameFilter="*.class">
</filter>
<filter
objectClass="org.eclipse.core.resources.IFile"
nameFilter="*.java">
</filter>
<helper
class="org.eclipse.jst.j2ee.internal.ejb.workbench.validation.EJBHelper">
</helper>
<dependentValidator
depValValue="true">
</dependentValidator>
<markerId
markerIdValue="EJBValidatorMarker">
</markerId>
<run
class="org.eclipse.jst.j2ee.internal.ejb.workbench.validation.UIEjbValidator">
</run>
</validator>
</extension>
The facet filters support still exists and works in the validator ext point
even though it is redundant with this enablement support. The reason it
is still supported is for the fact that we are not supposed to break any
internal api also at this point for 1.5. Validators using facet filters
will continue to work as is and the any validators that need the enablement
_expression_ support can migrate.
Regards, Vijay
_____________________________
Vijay Bhadriraju
Rational Tools, J2EE Tooling
Ph: (919) 486-1898, T/L: 526-1898
Internet: vbhadrir@xxxxxxxxxx
_____________________________
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Notice: This email message, together with any attachments, may contain
information of BEA Systems, Inc., its subsidiaries
and affiliated
entities, that may be confidential, proprietary, copyrighted
and/or
legally privileged, and is intended solely for the use of the individual
or entity named in this message. If you are not the intended recipient,
and have received this message in error, please immediately return this
by email and then delete it.
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