110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
/*
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Meta(Asset) - key abstraction: metadata and organisational asset
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Copyright (C) Lumiera.org
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2008, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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#include "proc/assetmanager.hpp"
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#include "proc/asset/meta.hpp"
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#include "lib/util.hpp"
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using lib::idi::EntryID;
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namespace proc {
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namespace asset {
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using meta::Descriptor;
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namespace // Implementation details
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{
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/** helper: .....*/
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}
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namespace meta {
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Descriptor::~Descriptor() { } // emit VTable here...
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}
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/**storage for the static MetaFactory instance */
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MetaFactory Meta::create;
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/** Generic factory method for Metadata Asset instances.
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* @param EntryID specifying the type and a human readable name-ID
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* @return an meta::Builder struct with the metadata parameters. After configuring
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* and tweaking those parameters, the builder's \c commit() function
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* will create a new (immutable) meta asset.
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*/
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template<class MA>
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meta::Builder<MA>
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MetaFactory::operator() (EntryID<MA> elementIdentity)
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{
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return meta::Builder<MA> (elementIdentity.getSym());
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}
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/** Generic factory method for specialising Metadata.
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* @param prototype Descriptor of a special kind of metadata,
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* to be augmented and further specialised. Can indeed
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* be an existing asset::Meta instance
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* @param EntryID specifying the type and a human readable name-ID
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* @return an meta::Builder struct with the metadata parameters. After configuring
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* and tweaking those parameters, the builder's \c commit() function
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* will create a new (immutable) meta asset.
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*/
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template<class MA>
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meta::Builder<MA>
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MetaFactory::operator() (Descriptor const& prototype, EntryID<MA> elementIdentity)
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{
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UNIMPLEMENTED ("Meta-Factory: extend or supersede existing meta asset"); ////////////////////TICKET #746
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}
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}} // namespace proc::asset
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/**************************************************/
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/* explicit instantiations of the factory methods */
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/**************************************************/
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#include "proc/asset/meta/time-grid.hpp"
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//#include "proc/asset/procpatt.hpp"
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//#include "proc/asset/timeline.hpp"
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//#include "proc/asset/sequence.hpp"
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namespace proc {
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namespace asset {
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using meta::Descriptor;
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using meta::Builder;
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using meta::TimeGrid;
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template Builder<TimeGrid> MetaFactory::operator() (EntryID<TimeGrid>);
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template Builder<TimeGrid> MetaFactory::operator() (Descriptor const&, EntryID<TimeGrid>);
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}} // namespace proc::asset
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