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From Don Taylor <donald_l_taylor...@yahoo.com>
Subject RE: Retry task on Error
Date Thu, 28 Jun 2001 02:33:41 GMT
In this example "build-shared" will not get executed twice.

--- Viraj Purang <viraj_purang@spincircuit.com> wrote:
> HI,
>   IF  Target X which depends on target Y has been executed just after
> the
> target Y was executed, will it still go ahead and do target Y again
> ...
>   example : 
> 
> If I am executing "build all"
> will  "build-shared" get executed twice ?
> 
> <target name="all" 
>           depends="build-shared,build-client,build-server,build-mail"
>           description="runs:  [build-cvs]">
>     <echo message="Building all components"/>
> </target>
> <target name="build-client"
>      depends="build-shared,build-cvs-client,build-client-copy"
> </target>
> 
> I feel it would not be executed, can you please confirm it?
> 
> REgards,
> Viraj Purang
> 
> 
> -----Original Message-----
> From: Diane Holt [mailto:holtdl@yahoo.com]
> Sent: Wednesday, June 27, 2001 10:08 AM
> To: ant-user@jakarta.apache.org
> Subject: RE: Retry task on Error
> 
> 
> --- Don Taylor <donald_l_taylor_jr@yahoo.com> wrote:
> > Ok. Actually it just requires a small modification:
> > 
> > <target name="checkFTPfailure">
> >   <!-- Do whatever to determine FTP failure.
> >        (Using 'uptodate' task?)
> >        If FTP has succeeded, set a property.
> >   -->
> >   <property name="ftp.ok" value="true"/>
> > </target>
> 
> Don,
> 
> How do you see this working?  What will prevent the <property> task
> from
> being run regardless of what <uptodate> results in?
> 
> I suspect what you want is to set the property in the <uptodate> task
> alone (assuming using <uptodate> would be able to be used as the
> determiner of whether the FTP task succeeded, although I'm not sure
> what
> you have in mind it would check for).
> 
> (Or maybe I just need some coffee and I'm not seeing it...)
> 
> Diane
>  
> 
> > <target name="ftpLoop" depends="checkFTPfailure" unless="ftp.ok">
> >   <FTP .../>
> >   <antcall target="ftpLoop2"/>
> > </target>
> > 
> > <target name="ftpLoop2" depends="checkFTPfailure" unless="ftp.ok">
> >   <FTP .../>
> >   <antcall target="ftpLoop"/>
> > </target>
> > 
> > <target name="ftp" depends="ftpLoop"/>
> > 
> > Note that 'checkFTPfailure' will be called *before* you attempt
> your
> > first FTP. This should be fine, since you haven't even attempted an
> FTP
> > yet that *certainly* should be a failure!  :)
> > 
> > - Don
> > 
> > 
> > --- "O'Hara, Patrick" <patrick.ohara@workscape.com> wrote:
> > > Yes I was hoping for a loop until successful.
> > > 
> > > Patrick O'Hara
> > > 262-408-3849
> > > patrick.ohara@workscape.com
> > > 
> > > 
> > > 
> > > 
> > > -----Original Message-----
> > > From: Don Taylor [mailto:donald_l_taylor_jr@yahoo.com]
> > > Sent: Wednesday, June 27, 2001 9:29 AM
> > > To: ant-user@jakarta.apache.org
> > > Subject: Re: Retry task on Error
> > > 
> > > 
> > > 
> > > --- "O'Hara, Patrick" <patrick.ohara@workscape.com> wrote:
> > > > Is there a way to retry a task when it errors out?  I have a
> FTP
> > > > task.  The
> > > > server we are connecting to is a little hit and miss.  I would
> like
> > > > to retry
> > > > the FTP task if it fails to send all the files.
> > > > 
> > > 
> > > I'm assuming you can already figure out if the FTP task has
> failed.
> > > Put
> > > that logic in a target:
> > > 
> > > <target name="checkFTPfailure">
> > >   <!-- Do whatever to determine FTP failure.
> > >        (Using 'uptodate' task?)
> > >        If FTP has failed, set a property.
> > >   -->
> > >   <property name="ftp.failed" value="true"/>
> > > </target>
> > > 
> > > 
> > > Now you're ready to try your FTP:
> > > 
> > > <target name="ftpFirst">
> > >    <FTP .../>
> > > </target>
> > > 
> > > <target name="ftpSecond" depends="checkFTPfailure"
> > > unless="ftp.failed">
> > >    <FTP .../>
> > > </target>
> > > 
> > > <target name="ftp" depends="ftpFirst,ftpSecond"/>
> > > 
> > > You see your 'ftp' target will FTP your files, and failing that,
> will
> > > try again. If you desire to loop until the FTP is complete, let
> me
> > > know, that's a lot trickier (but possible.)
> > > 
> > > - Don
> > > 
> > > 
> > > __________________________________________________
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> > 
> > 
> > __________________________________________________
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> 
> 
> =====
> (holtdl@yahoo.com)
> 
> 
> 
> __________________________________________________
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=====
Don

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