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=head1 NEWS |
=head1 NEWS |
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=head4 2003-01-18 - integration with Torus |
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please look at http://www.netfrag.org/horde/chora/cvs.php/perl/scripts/outlook2ldap/ |
=head4 2003-02-09 - backward compatibility with custom application |
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- Tangram <-> .csv |
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- Tangram <-> mysql |
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- Tangram <-> perl-code |
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=head4 2003-01-18 - start integration with Torus |
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- MAPI <-> LDAP |
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- please look at http://www.netfrag.org/horde/chora/cvs.php/perl/scripts/outlook2ldap/ |
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=head4 2002-10-10 - initial commit |
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- Tangram <-> mysql |
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=head4 2002-10-10 - initial check-in |
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=head1 DESCRIPTION |
=head1 DESCRIPTION |
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Data::Transfer::Sync is a module providing a generic synchronization process |
Data::Transfer::Sync is a module providing a generic synchronization process |
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across arbitrary/multiple storages based on a ident/checksum mechanism. |
across arbitrary/multiple storages based on a ident/checksum mechanism. |
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It sits on top of Data::Storage. |
It sits on top of Data::Storage. |
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=head1 REQUIREMENTS |
=head1 REQUIREMENTS |
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For full functionality: |
For full functionality: |
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Data::Compare |
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Data::Storage |
Data::Storage |
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Data::Transform |
Data::Transform |
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Data::Compare |
... and all their dependencies. |
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... and all their dependencies |
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=head1 AUTHORS / COPYRIGHT |
=head1 AUTHORS / COPYRIGHT / LICENSE |
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The Data::Storage module is Copyright (c) 2002 Andreas Motl. |
The Data::Transfer::Sync module is Copyright (c) 2002 Andreas Motl. |
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All rights reserved. |
All rights reserved. |
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You may distribute it under the terms of either the GNU General Public |
Code contributions, suggestions, support and ideas by |
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License or the Artistic License, as specified in the Perl README file. |
Sebastian Utz <su@tunemedia.de> and Jan Hoffmann <jan@romain-volk.com>. |
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You may distribute it under the terms of either the GNU General Public |
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License or the Artistic License, as specified in the Perl README file. |
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=head1 SUPPORT / WARRANTY |
=head1 SUPPORT / WARRANTY |
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Data::Storage is free software. IT COMES WITHOUT WARRANTY OF ANY KIND. |
Data::Transfer::Sync is free software. IT COMES WITHOUT WARRANTY OF ANY KIND. |
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Please feel free to contact me at <andreas.motl@ilo.de>. |
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=head1 EXAMPLE OUTPUT CHUNKS |
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=head2 Synchronizing orm objects against entries in a .csv file - 17 items modified |
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notice: PULL INTO backend NODE * TYPE Country SELECT NODE * TYPE [n/a] FROM base USING MODULE BizWorks::ResourceMapping; |
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notice: OEF::Script::AbstractFeeder: |
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- Loading data of type [n/a] and |
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filtered by * from the storage named base |
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to the storage named backend - filtered by *. |
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- Will attempt to convert the data to Country. |
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info: Data::Transfer::Sync::API->syncNodes: source=backend/* [Country] <- target=base/* [] |
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:c:c:c:c:c:c:c:ctr:c:c:c:c:c:c:c:ctr:c:c:c:c:c:c:ctr:c:ctr:c:c:c:c:c:c:c:c:c:c:c:ctr:c:c:c:ctr:c:c:c:c:c:c:c:ctr:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c |
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:c:c:c:c:c:c:c:c:ctr:c:c:c:c:c:c:c:c:c:c:c:ctr:c:c:c:c:ctr:c:c:c:ctr:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:ctr:ctr:c:c:c:c:ctr:c:c:c:c:c:c:c |
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:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:ctr:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:ctr:c:c:ctr:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c |
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info: Data::Transfer::Sync::Core->_startsync: statistics: in_sync: 180 / total: 197 / attempt_modify: 17 / ok: 17 |
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=head2 Synchronizing orm objects against entries in a .csv file - in-sync |
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notice: PULL INTO backend NODE * TYPE Country SELECT NODE * TYPE [n/a] FROM base USING MODULE BizWorks::ResourceMapping; |
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notice: OEF::Script::AbstractFeeder: |
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- Loading data of type [n/a] and |
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filtered by * from the storage named base |
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to the storage named backend - filtered by *. |
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- Will attempt to convert the data to Country. |
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info: Data::Transfer::Sync::API->syncNodes: source=backend/* [Country] <- target=base/* [] |
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:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c |
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:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c |
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:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c:c |
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info: Data::Transfer::Sync::Core->_startsync: statistics: in_sync: 197 / total: 197 |
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=head1 TODO |
=head1 TODO |
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- sub _resolveIdentProvider |
o sub _resolveIdentProvider |
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- wrap _doModifySource and _doTransferTarget around a core function which can change virtually any type of node |
x wrap _doModifySource and _doTransferTarget around a core function which can change virtually any type of node |
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- split this module up into Sync.pm, Sync/Core.pm, Sync/Compare.pm and Sync/Compare/Checksum.pm |
x split this module up into Sync.pm, Sync/Core.pm, Sync/Compare.pm and Sync/Compare/Checksum.pm |
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- introduce _compareNodes as a core method and wrap it around methods in Sync/Compare/Checksum.pm |
o introduce _compareNodes as a core method and wrap it around methods in Sync/Compare/Checksum.pm |
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- introduce Sync/Compare/MyComparisonImplementation.pm |
x introduce Sync/Compare/MyComparisonImplementation.pm |
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- some generic deferring method - e.g. "$self->defer(action)" - to be able to accumulate a bunch of actions for later processing |
o some generic deferring method - e.g. "$self->defer(action)" - to be able to accumulate a bunch of actions for later processing |
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- this implies everything done is _really_ split up into generic actions - how else would we defer them??? |
- this implies everything done is _really_ split up into generic actions - how else would we defer them??? |
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- example uses: |
- example uses: |
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- fetch whole checksum list from node |
- fetch whole checksum list from node |
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- remember source ident retransmits |
- remember source ident retransmits |
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- remember: this is convenient - and maybe / of course faster - but we'll loose "per-node-atomic" operations |
- remember: this is convenient - and maybe / of course faster - but we'll loose "per-node-atomic" operations |
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- feature: mechanism to implicit inject checksum property to nodes (alter table / modify schema) |
o feature: mechanism to implicit inject checksum property to nodes (alter table / modify schema) |
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- expand statistics / keep track of: |
o expand statistics / keep track of: |
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- touched/untouched nodes |
- touched/untouched nodes |
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- full sync |
o full sync |
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- just do a push and a pull for now but use stats for touched nodes in between to speed up things |
- just do a push and a pull for now but use stats for touched nodes in between to speed up things |
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- introduce some new metadata flags for a synchronization partner which is (e.g.) of "source" or "target": |
o introduce some new metadata flags for a descent |
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- isNewNodePropagator |
- isNewNodePropagator |
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- isWriteProtected |
x isWriteProtected |
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=cut |
=cut |