EPSG factory now run on PostgreSQL 8.3 (with integer key - not yet prepared to
handle variants that use other kind of keys).
Tested with EPSG database version 6.18 (latest version at the time of
writting).
This has required some updates to the referencing module due to minor changes
in
the database content (slight changes in axis names).
Tested concurrent access (continuing on Refractions work). The "StressTest"
class written by Refractions used 2 workers. I augmented that to 16 workers
shared by 32 client threads. This has revealed a few deadlocks, which I fixed.
When using the EPSG database, coordinate transformations in USA now use the
NADCON grid, when applicable and if the user has downloaded it. More grids may
be added in the future.
Class hierarchy of various AuthorityFactory implementations has been slightly
simplified. I tried to reduce the amount of intermediate objects (especially
removing some redundant caches).
Obviously, tests pass on JDK 6.
In the next weeks, we are going to test that code. This is not ready for merge
with GeoTools 2.x trunk, but the remaining work is mostly testing. A few
plugins
(epsg-oracle, epsg-hsql) still need to be ported, but it should be trivial.
Martin
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