Diffstat (limited to 'libopie2/opiepim/core/opimaccesstemplate.h') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libopie2/opiepim/core/opimaccesstemplate.h | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/libopie2/opiepim/core/opimaccesstemplate.h b/libopie2/opiepim/core/opimaccesstemplate.h index f1bcc44..d4c5fbb 100644 --- a/libopie2/opiepim/core/opimaccesstemplate.h +++ b/libopie2/opiepim/core/opimaccesstemplate.h @@ -1,27 +1,28 @@ /* This file is part of the Opie Project - Copyright (C) The Main Author <main-author@whereever.org> + Copyright (C) Holger Freyther <zecke@handhelds.org> + Copyright (C) Stefan Eilers <eilers.stefan@epost.de> =. Copyright (C) The Opie Team <opie-devel@handhelds.org> .=l. .>+-= _;:, .> :=|. This program is free software; you can .> <`_, > . <= redistribute it and/or modify it under :`=1 )Y*s>-.-- : the terms of the GNU Library General Public .="- .-=="i, .._ License as published by the Free Software - . .-<_> .<> Foundation; either version 2 of the License, ._= =} : or (at your option) any later version. .%`+i> _;_. .i_,=:_. -<s. This program is distributed in the hope that + . -:. = it will be useful, but WITHOUT ANY WARRANTY; : .. .:, . . . without even the implied warranty of =_ + =;=|` MERCHANTABILITY or FITNESS FOR A _.=:. : :=>`: PARTICULAR PURPOSE. See the GNU ..}^=.= = ; Library General Public License for more ++= -. .` .: details. : = ...= . :.=- -. .:....=;==+<; You should have received a copy of the GNU -_. . . )=. = Library General Public License along with -- :-=` this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. @@ -116,48 +117,55 @@ public: /** * find the OPimRecord uid */ virtual T find( int uid )const; /** * read ahead cache find method ;) */ virtual T find( int uid, const QArray<int>&, uint current, typename OTemplateBase<T>::CacheDirection dir = OTemplateBase<T>::Forward )const; /* invalidate cache here */ /** * clears the backend and invalidates the backend */ void clear() ; /** * add T to the backend * @param t The item to add. * @return <i>true</i> if added successfully. */ virtual bool add( const T& t ) ; bool add( const OPimRecord& ); + // Needed for real generic access (eilers) + // Info: Take this if you are working with OPimRecord, which is a generic base class, and + // you need to add it into any database, you cannot generate a reference to + // it and casting may be not approriate, too. + // But take care that the accessing database is compatible to the real type of OPimRecord !! + bool add( const OPimRecord* ); + /* only the uid matters */ /** * remove T from the backend * @param t The item to remove * @return <i>true</i> if successful. */ virtual bool remove( const T& t ); /** * remove the OPimRecord with uid * @param uid The ID of the item to remove * @return <i>true</i> if successful. */ bool remove( int uid ); bool remove( const OPimRecord& ); /** * replace T from backend * @param t The item to replace * @return <i>true</i> if successful. */ virtual bool replace( const T& t) ; @@ -250,57 +258,71 @@ T OPimAccessTemplate<T>::find( int uid, const QArray<int>& ar, /* * better do T.isEmpty() * after a find this way we would * avoid two finds in QCache... */ // qWarning("find it now %d", uid ); if (m_cache.contains( uid ) ) { return m_cache.find( uid ); } T t = m_backEnd->find( uid, ar, current, dir ); cache( t ); return t; } template <class T> void OPimAccessTemplate<T>::clear() { invalidateCache(); m_backEnd->clear(); } template <class T> bool OPimAccessTemplate<T>::add( const T& t ) { cache( t ); return m_backEnd->add( t ); } + template <class T> bool OPimAccessTemplate<T>::add( const OPimRecord& rec) { /* same type */ - if ( rec.rtti() == T::rtti() ) { - const T &t = static_cast<const T&>(rec); + T tempInstance; + if ( rec.rtti() == tempInstance.rtti() ) { + const T& t = static_cast<const T&>(rec); return add(t); } return false; } + +template <class T> +bool OPimAccessTemplate<T>::add( const OPimRecord* rec) { + /* same type, but pointer */ + T tempInstance; + if ( rec -> rtti() == tempInstance.rtti() ) { + const T* t = static_cast<const T*>(rec); + return add( *t ); + } + return false; +} + template <class T> bool OPimAccessTemplate<T>::remove( const T& t ) { return remove( t.uid() ); } template <class T> bool OPimAccessTemplate<T>::remove( int uid ) { m_cache.remove( uid ); return m_backEnd->remove( uid ); } template <class T> bool OPimAccessTemplate<T>::remove( const OPimRecord& rec) { return remove( rec.uid() ); } template <class T> bool OPimAccessTemplate<T>::replace( const T& t ) { m_cache.replace( t ); return m_backEnd->replace( t ); } template <class T> void OPimAccessTemplate<T>::invalidateCache() { m_cache.invalidate(); } template <class T> typename OPimAccessTemplate<T>::BackEnd* OPimAccessTemplate<T>::backEnd() { |