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 @@ -1,51 +1,52 @@ /* 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. */ #ifndef OPIE_PIM_ACCESS_TEMPLATE_H #define OPIE_PIM_ACCESS_TEMPLATE_H #include <qarray.h> #include <opie2/opimrecord.h> #include <opie2/opimaccessbackend.h> #include <opie2/opimrecordlist.h> #include <opie2/opimcache.h> #include <opie2/opimtemplatebase.h> namespace Opie { class OPimAccessTemplatePrivate; /** * Thats the frontend to our OPIE PIM * Library. Either you want to use it's * interface or you want to implement * your own Access lib * Just create a OPimRecord and inherit from * the plugins */ @@ -92,96 +93,103 @@ public: * if the resource was changed externally * You should use the signal handling instead of polling possible changes ! * zecke: Do you implement a signal for otodoaccess ? */ bool wasChangedExternally()const; /** * return a List of records * you can iterate over them */ virtual List allRecords()const; /** * return a List of records * that match the regex */ virtual List matchRegexp( const QRegExp &r ) const; /** * queryByExample. * @see otodoaccess, ocontactaccess */ virtual List queryByExample( const T& t, int querySettings, const QDateTime& d = QDateTime() ); /** * 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) ; void setReadAhead( uint count ); /** * @internal */ void cache( const T& )const; void setSaneCacheSize( int ); QArray<int> records()const; protected: /** * invalidate the cache */ void invalidateCache(); void setBackEnd( BackEnd* end ); /** * returns the backend */ BackEnd* backEnd(); BackEnd* m_backEnd; Cache m_cache; private: OPimAccessTemplatePrivate *d; @@ -226,105 +234,119 @@ typename OPimAccessTemplate<T>::List OPimAccessTemplate<T>::matchRegexp( const Q List lis(ints, this ); return lis; } template <class T> QArray<int> OPimAccessTemplate<T>::records()const { return m_backEnd->allRecords(); } template <class T> typename OPimAccessTemplate<T>::List OPimAccessTemplate<T>::queryByExample( const T& t, int settings, const QDateTime& d ) { QArray<int> ints = m_backEnd->queryByExample( t, settings, d ); List lis(ints, this ); return lis; } template <class T> T OPimAccessTemplate<T>::find( int uid ) const{ T t = m_backEnd->find( uid ); cache( t ); return t; } template <class T> T OPimAccessTemplate<T>::find( int uid, const QArray<int>& ar, uint current, typename OTemplateBase<T>::CacheDirection dir )const { /* * 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() { return m_backEnd; } template <class T> bool OPimAccessTemplate<T>::wasChangedExternally()const { return false; } template <class T> void OPimAccessTemplate<T>::setBackEnd( BackEnd* end ) { m_backEnd = end; if (m_backEnd ) m_backEnd->setFrontend( this ); } template <class T> void OPimAccessTemplate<T>::cache( const T& t ) const{ /* hacky we need to work around the const*/ ((OPimAccessTemplate<T>*)this)->m_cache.add( t ); } template <class T> void OPimAccessTemplate<T>::setSaneCacheSize( int size ) { m_cache.setSize( size ); } template <class T> void OPimAccessTemplate<T>::setReadAhead( uint count ) { m_backEnd->setReadAhead( count ); |