I have had several cases where I have unions of service calls. since the
service calls take time and since the operation is not sensitive to the
order of the items being unioned I was thinking of implementing a union
operation for service endpoints such that both endpoints would be opened
and the results fed into the result stream as they are returned. This
wiould involve a polling mechanism on the connections to see if there was a
result available. First available data element is added to the result and
the polling continues.
pseudo code something like
create a list of connections.
loop:
poll each connection
if connection finished close
if connection has data add to result
if there are connections still open go to loop;
I think that this would improve performance when used with multiple service
calls. It may also improve performance across slower storeage devices.
Thoughts?
Claude
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