Re[2]: exceptions in PublicationTask

[qMax <qm...@mediasoft.ru>]

Wednesday, June 1, 2005, 2:18:32 PM, Andreas Hartmann wrote:

AH> qMax wrote:
>> I'm implementing PublishTree/DeactivateTree.
>> /*
>> public class Publish extends PublicationTask implements SiteTreeNodeVisitor;
>> public class PublishTree extends Publish;
>> */
>> the question occured:
>> in which cases i should just setResult(FAILURE),

AH> That should be used when the task could not be executed
AH> because some conditions are not supplied (e.g., the workflow
AH> state could not be advanced). Everything stays under control.

AH> BTW, I'm not quite sure if the result is evaluated at all.

>> and in which should i throw ExecutionException from .execute() method?
>> Is this Exception handled somwhere ?

AH> An exception should be thrown when a non-predictable problem
AH> occurs (e.g., an IO error).

The problem is that then i use node.acceptSubtree(SiteNodeVisitor) in
an Task.execute method, i can only catch DocumentException
either thrown or raised from visitNode()
and can not tell if an "failure" occur, or some critical exception raised...

-- 
 qMax


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