author | eilers <eilers> | 2004-09-05 15:46:47 (UTC) |
---|---|---|
committer | eilers <eilers> | 2004-09-05 15:46:47 (UTC) |
commit | 97a40bb7f35a8323dd99712bf014387add283177 (patch) (side-by-side diff) | |
tree | ec50fbb430f00c86af6ca5bd7c6b94fa29cfe3b1 | |
parent | f8b02e2ae752ce98b8840735260c4e9b0ff25cb8 (diff) | |
download | opie-97a40bb7f35a8323dd99712bf014387add283177.zip opie-97a40bb7f35a8323dd99712bf014387add283177.tar.gz opie-97a40bb7f35a8323dd99712bf014387add283177.tar.bz2 |
Fixing really stupid caching bug.. Thanks to zecke who found it..
Removed cachefind in backend which isn't needed anymore and not a goot idea...
-rw-r--r-- | libopie2/opiepim/backend/ocontactaccessbackend_sql.cpp | 5 | ||||
-rw-r--r-- | libopie2/opiepim/backend/ocontactaccessbackend_sql.h | 2 | ||||
-rw-r--r-- | libopie2/opiepim/backend/opimaccessbackend.h | 18 | ||||
-rw-r--r-- | libopie2/opiepim/backend/otodoaccesssql.cpp | 20 | ||||
-rw-r--r-- | libopie2/opiepim/backend/otodoaccesssql.h | 2 | ||||
-rw-r--r-- | libopie2/opiepim/core/opimaccesstemplate.h | 4 |
6 files changed, 22 insertions, 29 deletions
diff --git a/libopie2/opiepim/backend/ocontactaccessbackend_sql.cpp b/libopie2/opiepim/backend/ocontactaccessbackend_sql.cpp index abfd944..221e977 100644 --- a/libopie2/opiepim/backend/ocontactaccessbackend_sql.cpp +++ b/libopie2/opiepim/backend/ocontactaccessbackend_sql.cpp @@ -797,129 +797,132 @@ QArray<int> OPimContactAccessBackend_SQL::extractUids( OSQLResult& res ) const int i = 0; for (it = list.begin(); it != list.end(); ++it ) { ints[i] = (*it).data("uid").toInt(); i++; } odebug << "extractUids ready: count2 = " << i << " needs " << t.elapsed() << " ms" << oendl; return ints; } QMap<int, QString> OPimContactAccessBackend_SQL::requestNonCustom( int uid ) const { QTime t; t.start(); int t2needed = 0; int t3needed = 0; QTime t2; t2.start(); FindQuery query( uid ); OSQLResult res_noncustom = m_driver->query( &query ); t2needed = t2.elapsed(); OSQLResultItem resItem = res_noncustom.first(); QMap<int, QString> nonCustomMap; QTime t3; t3.start(); nonCustomMap = fillNonCustomMap( resItem ); t3needed = t3.elapsed(); // odebug << "Adding UID: " << resItem.data( "uid" ) << "" << oendl; odebug << "RequestNonCustom needed: insg.:" << t.elapsed() << " ms, query: " << t2needed << " ms, mapping: " << t3needed << " ms" << oendl; return nonCustomMap; } /* Returns contact requested by uid and fills cache with contacts requested by uids in the cachelist */ OPimContact OPimContactAccessBackend_SQL::requestContactsAndCache( int uid, const QArray<int>& uidlist )const { // We want to get all contacts with one query. // We don't have to add the given uid to the uidlist, it is expected to be there already (see opimrecordlist.h). // All contacts will be stored in the cache, afterwards the contact with the user id "uid" will be returned // by using the cache.. QArray<int> cachelist = uidlist; + OPimContact retContact; odebug << "Reqest and cache" << cachelist.size() << "elements !" << oendl; QTime t; t.start(); int t2needed = 0; int t3needed = 0; QTime t2; t2.start(); FindQuery query( cachelist ); OSQLResult res_noncustom = m_driver->query( &query ); t2needed = t2.elapsed(); QMap<int, QString> nonCustomMap; QTime t3; t3.start(); OSQLResultItem resItem = res_noncustom.first(); do { OPimContact contact( fillNonCustomMap( resItem ) ); contact.setExtraMap( requestCustom( contact.uid() ) ); odebug << "Caching uid: " << contact.uid() << oendl; cache( contact ); + if ( contact.uid() == uid ) + retContact = contact; resItem = res_noncustom.next(); } while ( ! res_noncustom.atEnd() ); //atEnd() is true if we are past(!) the list !! t3needed = t3.elapsed(); // odebug << "Adding UID: " << resItem.data( "uid" ) << "" << oendl; odebug << "RequestContactsAndCache needed: insg.:" << t.elapsed() << " ms, query: " << t2needed << " ms, mapping: " << t3needed << " ms" << oendl; - return cacheFind( uid ); + return retContact; } QMap<int, QString> OPimContactAccessBackend_SQL::fillNonCustomMap( const OSQLResultItem& resultItem ) const { QMap<int, QString> nonCustomMap; // Now loop through all columns QStringList fieldList = OPimContactFields::untrfields( false ); QMap<QString, int> translate = OPimContactFields::untrFieldsToId(); for ( QStringList::Iterator it = ++fieldList.begin(); it != fieldList.end(); ++it ){ // Get data for the selected column and store it with the // corresponding id into the map.. int id = translate[*it]; QString value = resultItem.data( (*it) ); // odebug << "Reading " << (*it) << "... found: " << value << "" << oendl; switch( id ){ case Qtopia::Birthday: case Qtopia::Anniversary:{ // Birthday and Anniversary are encoded special ( yyyy-mm-dd ) QStringList list = QStringList::split( '-', value ); QStringList::Iterator lit = list.begin(); int year = (*lit).toInt(); int month = (*(++lit)).toInt(); int day = (*(++lit)).toInt(); if ( ( day != 0 ) && ( month != 0 ) && ( year != 0 ) ){ QDate date( year, month, day ); nonCustomMap.insert( id, OPimDateConversion::dateToString( date ) ); } } break; case Qtopia::AddressCategory: odebug << "Category is: " << value << "" << oendl; default: nonCustomMap.insert( id, value ); } } nonCustomMap.insert( Qtopia::AddressUid, resultItem.data( "uid" ) ); return nonCustomMap; } QMap<QString, QString> OPimContactAccessBackend_SQL::requestCustom( int uid ) const { diff --git a/libopie2/opiepim/backend/ocontactaccessbackend_sql.h b/libopie2/opiepim/backend/ocontactaccessbackend_sql.h index 4f81735..28d9746 100644 --- a/libopie2/opiepim/backend/ocontactaccessbackend_sql.h +++ b/libopie2/opiepim/backend/ocontactaccessbackend_sql.h @@ -28,87 +28,87 @@ */ /* * SQL Backend for the OPIE-Contact Database. */ #ifndef _OPimContactAccessBackend_SQL_ #define _OPimContactAccessBackend_SQL_ #include <opie2/ocontactaccessbackend.h> #include <opie2/ocontactaccess.h> #include <qlist.h> #include <qdict.h> /* aren't in namespace Opie yet - alwin */ namespace Opie { namespace DB { class OSQLDriver; class OSQLResult; class OSQLResultItem; } } namespace Opie { /* the default xml implementation */ /** * This class is the SQL implementation of a Contact backend * it does implement everything available for OPimContact. * @see OPimAccessBackend for more information of available methods */ class OPimContactAccessBackend_SQL : public OPimContactAccessBackend { public: OPimContactAccessBackend_SQL ( const QString& appname, const QString& filename = QString::null ); ~OPimContactAccessBackend_SQL (); bool save(); bool load (); void clear (); bool wasChangedExternally(); QArray<int> allRecords() const; OPimContact find ( int uid ) const; - OPimContact find( int uid, const QArray<int>&, uint cur, Frontend::CacheDirection ) const; + OPimContact find( int uid, const QArray<int>& items, uint cur, Frontend::CacheDirection ) const; QArray<int> queryByExample ( const OPimContact &query, int settings, const QDateTime& d ); QArray<int> matchRegexp( const QRegExp &r ) const; const uint querySettings(); bool hasQuerySettings (uint querySettings) const; // Currently only asc implemented.. QArray<int> sorted( bool asc, int , int , int ); bool add ( const OPimContact &newcontact ); bool replace ( const OPimContact &contact ); bool remove ( int uid ); bool reload(); private: QArray<int> extractUids( Opie::DB::OSQLResult& res ) const; QMap<int, QString> requestNonCustom( int uid ) const; QMap<QString, QString> requestCustom( int uid ) const; QMap<int, QString> fillNonCustomMap( const Opie::DB::OSQLResultItem& resultItem ) const; OPimContact requestContactsAndCache( int uid, const QArray<int>& cachelist ) const; void update(); protected: bool m_changed; QString m_fileName; QArray<int> m_uids; Opie::DB::OSQLDriver* m_driver; }; } #endif diff --git a/libopie2/opiepim/backend/opimaccessbackend.h b/libopie2/opiepim/backend/opimaccessbackend.h index 15a7b7f..26af762 100644 --- a/libopie2/opiepim/backend/opimaccessbackend.h +++ b/libopie2/opiepim/backend/opimaccessbackend.h @@ -87,126 +87,110 @@ public: * queryByExample for T with the given Settings * */ virtual QArray<int> queryByExample( const T& t, int settings, const QDateTime& d = QDateTime() ) = 0; /** * find the OPimRecord with uid @param uid * returns T and T.isEmpty() if nothing was found */ virtual T find(int uid )const = 0; virtual T find(int uid, const QArray<int>& items, uint current, typename Frontend::CacheDirection ) const; /** * clear the back end */ virtual void clear() = 0; /** * add T */ virtual bool add( const T& t ) = 0; /** * remove */ virtual bool remove( int uid ) = 0; /** * replace a record with T.uid() */ virtual bool replace( const T& t ) = 0; /* * setTheFrontEnd!!! */ void setFrontend( Frontend* front ); /** * set the read ahead count */ void setReadAhead( uint count ); protected: int access()const; void cache( const T& t )const; /** - * Returns the element with given uid out of the cache. - * Returns empty element if nothing was found. - * <b>Attention:</b> This just works if we have a frontend which contains the cache ! - */ - T cacheFind( int uid ) const; - - /** * use a prime number here! */ void setSaneCacheSize( int ); uint readAhead()const; private: OPimAccessBackendPrivate *d; Frontend* m_front; uint m_read; int m_acc; }; template <class T> OPimAccessBackend<T>::OPimAccessBackend(int acc) : m_acc( acc ) { m_front = 0l; } template <class T> OPimAccessBackend<T>::~OPimAccessBackend() { } template <class T> void OPimAccessBackend<T>::setFrontend( Frontend* fr ) { m_front = fr; } template <class T> void OPimAccessBackend<T>::cache( const T& t )const { if ( m_front ) m_front->cache( t ); } -template <class T> -T OPimAccessBackend<T>::cacheFind( int uid )const { - if ( ! m_front ){ - qWarning ( "No frontend assigned ! Therefore we cannot access the cache to return the right element!" ); - return T(); - } - - return m_front->cacheFind( uid ); -} template <class T> void OPimAccessBackend<T>::setSaneCacheSize( int size) { if ( m_front ) m_front->setSaneCacheSize( size ); } template <class T> T OPimAccessBackend<T>::find( int uid, const QArray<int>&, uint, typename Frontend::CacheDirection ) const{ - qDebug( "*** Lookahead feature not supported. Fallback to default find!" ); + qDebug( "*** Lookahead feature not supported. Fallback to default find!!" ); return find( uid ); } template <class T> void OPimAccessBackend<T>::setReadAhead( uint count ) { m_read = count; } template <class T> uint OPimAccessBackend<T>::readAhead()const { return m_read; } template <class T> int OPimAccessBackend<T>::access()const { return m_acc; } } #endif diff --git a/libopie2/opiepim/backend/otodoaccesssql.cpp b/libopie2/opiepim/backend/otodoaccesssql.cpp index 12a8bea..4e3e47b 100644 --- a/libopie2/opiepim/backend/otodoaccesssql.cpp +++ b/libopie2/opiepim/backend/otodoaccesssql.cpp @@ -409,136 +409,135 @@ namespace { namespace Opie { OPimTodoAccessBackendSQL::OPimTodoAccessBackendSQL( const QString& file ) : OPimTodoAccessBackend(),/* m_dict(15),*/ m_driver(NULL), m_dirty(true) { QString fi = file; if ( fi.isEmpty() ) fi = Global::applicationFileName( "todolist", "todolist.db" ); OSQLManager man; m_driver = man.standard(); m_driver->setUrl(fi); // fillDict(); } OPimTodoAccessBackendSQL::~OPimTodoAccessBackendSQL(){ if( m_driver ) delete m_driver; } bool OPimTodoAccessBackendSQL::load(){ if (!m_driver->open() ) return false; CreateQuery creat; OSQLResult res = m_driver->query(&creat ); m_dirty = true; return true; } bool OPimTodoAccessBackendSQL::reload(){ return load(); } bool OPimTodoAccessBackendSQL::save(){ return m_driver->close(); // Shouldn't m_driver->sync be better than close ? (eilers) } QArray<int> OPimTodoAccessBackendSQL::allRecords()const { if (m_dirty ) update(); return m_uids; } QArray<int> OPimTodoAccessBackendSQL::queryByExample( const OPimTodo& , int, const QDateTime& ){ QArray<int> ints(0); return ints; } OPimTodo OPimTodoAccessBackendSQL::find(int uid ) const{ FindQuery query( uid ); - return todo( m_driver->query(&query) ); + return parseResultAndCache( uid, m_driver->query(&query) ); } // Remember: uid is already in the list of uids, called ints ! OPimTodo OPimTodoAccessBackendSQL::find( int uid, const QArray<int>& ints, uint cur, Frontend::CacheDirection dir ) const{ uint CACHE = readAhead(); odebug << "searching for " << uid << "" << oendl; QArray<int> search( CACHE ); uint size =0; OPimTodo to; // we try to cache CACHE items switch( dir ) { /* forward */ case Frontend::Forward: for (uint i = cur; i < ints.count() && size < CACHE; i++ ) { odebug << "size " << size << " " << ints[i] << "" << oendl; search[size] = ints[i]; size++; } break; /* reverse */ case Frontend::Reverse: for (uint i = cur; i != 0 && size < CACHE; i-- ) { search[size] = ints[i]; size++; } break; } search.resize( size ); FindQuery query( search ); OSQLResult res = m_driver->query( &query ); if ( res.state() != OSQLResult::Success ) return to; - todo( res ); //FIXME: Don't like polymorphism here. It makes the code hard to read here..(eilers) - return cacheFind( uid ); + return parseResultAndCache( uid, res ); } void OPimTodoAccessBackendSQL::clear() { ClearQuery cle; OSQLResult res = m_driver->query( &cle ); CreateQuery qu; res = m_driver->query(&qu); } bool OPimTodoAccessBackendSQL::add( const OPimTodo& t) { InsertQuery ins( t ); OSQLResult res = m_driver->query( &ins ); if ( res.state() == OSQLResult::Failure ) return false; int c = m_uids.count(); m_uids.resize( c+1 ); m_uids[c] = t.uid(); return true; } bool OPimTodoAccessBackendSQL::remove( int uid ) { RemoveQuery rem( uid ); OSQLResult res = m_driver->query(&rem ); if ( res.state() == OSQLResult::Failure ) return false; m_dirty = true; return true; } /* * FIXME better set query * but we need the cache for that * now we remove */ bool OPimTodoAccessBackendSQL::replace( const OPimTodo& t) { remove( t.uid() ); bool b= add(t); m_dirty = false; // we changed some stuff but the UID stayed the same return b; } QArray<int> OPimTodoAccessBackendSQL::overDue() { OverDueQuery qu; return uids( m_driver->query(&qu ) ); } QArray<int> OPimTodoAccessBackendSQL::effectiveToDos( const QDate& s, const QDate& t, bool u) { @@ -585,176 +584,183 @@ QArray<int> OPimTodoAccessBackendSQL::sorted( bool asc, int sortOrder, } /* strip the end */ query = query.remove( query.length()-3, 3 ); /* * sort order stuff * quite straight forward */ query += "ORDER BY "; switch( sortOrder ) { /* completed */ case 0: query += "completed"; break; case 1: query += "priority"; break; case 2: query += "summary"; break; case 3: query += "DueDate"; break; } if ( !asc ) { odebug << "not ascending!" << oendl; query += " DESC"; } odebug << query << oendl; OSQLRawQuery raw(query ); return uids( m_driver->query(&raw) ); } bool OPimTodoAccessBackendSQL::date( QDate& da, const QString& str ) const{ if ( str == "0-0-0" ) return false; else{ int day, year, month; QStringList list = QStringList::split("-", str ); year = list[0].toInt(); month = list[1].toInt(); day = list[2].toInt(); da.setYMD( year, month, day ); return true; } } -OPimTodo OPimTodoAccessBackendSQL::todo( const OSQLResult& res ) const{ +OPimTodo OPimTodoAccessBackendSQL::parseResultAndCache( int uid, const OSQLResult& res ) const{ if ( res.state() == OSQLResult::Failure ) { OPimTodo to; return to; } + OPimTodo retTodo; + OSQLResultItem::ValueList list = res.results(); OSQLResultItem::ValueList::Iterator it = list.begin(); odebug << "todo1" << oendl; OPimTodo to = todo( (*it) ); cache( to ); ++it; for ( ; it != list.end(); ++it ) { odebug << "caching" << oendl; - cache( todo( (*it) ) ); + OPimTodo newTodo = todo( (*it) ); + cache( newTodo ); + if ( newTodo.uid() == uid ) + retTodo = newTodo; } - return to; + return retTodo; } OPimTodo OPimTodoAccessBackendSQL::todo( OSQLResultItem& item )const { odebug << "todo(ResultItem)" << oendl; // Request information from addressbook table and create the OPimTodo-object. bool hasDueDate = false; QDate dueDate = QDate::currentDate(); hasDueDate = date( dueDate, item.data("DueDate") ); QStringList cats = QStringList::split(";", item.data("categories") ); odebug << "Item is completed: " << item.data("completed").toInt() << "" << oendl; OPimTodo to( (bool)item.data("completed").toInt(), item.data("priority").toInt(), cats, item.data("summary"), item.data("description"), item.data("progress").toUShort(), hasDueDate, dueDate, item.data("uid").toInt() ); bool isOk; int prioInt = QString( item.data("priority") ).toInt( &isOk ); if ( isOk ) to.setPriority( prioInt ); bool hasStartDate = false; QDate startDate = QDate::currentDate(); hasStartDate = date( startDate, item.data("startdate") ); bool hasCompletedDate = false; QDate completedDate = QDate::currentDate(); hasCompletedDate = date( completedDate, item.data("completeddate") ); if ( hasStartDate ) to.setStartDate( startDate ); if ( hasCompletedDate ) to.setCompletedDate( completedDate ); OPimNotifyManager& manager = to.notifiers(); manager.alarmsFromString( item.data("alarms") ); manager.remindersFromString( item.data("reminders") ); OPimState pimState; pimState.setState( QString( item.data("state") ).toInt() ); to.setState( pimState ); QMap<int, QString> recMap; recMap.insert( OPimRecurrence::RType , item.data("RType") ); recMap.insert( OPimRecurrence::RWeekdays , item.data("RWeekdays") ); recMap.insert( OPimRecurrence::RPosition , item.data("RPosition") ); recMap.insert( OPimRecurrence::RFreq , item.data("RFreq") ); recMap.insert( OPimRecurrence::RHasEndDate, item.data("RHasEndDate") ); recMap.insert( OPimRecurrence::EndDate , item.data("EndDate") ); recMap.insert( OPimRecurrence::Created , item.data("Created") ); recMap.insert( OPimRecurrence::Exceptions , item.data("Exceptions") ); OPimRecurrence recur; recur.fromMap( recMap ); to.setRecurrence( recur ); // Finally load the custom-entries for this UID and put it into the created object to.setExtraMap( requestCustom( to.uid() ) ); return to; } + +// FIXME: Where is the difference to "find" ? (eilers) OPimTodo OPimTodoAccessBackendSQL::todo( int uid )const { FindQuery find( uid ); - return todo( m_driver->query(&find) ); + return parseResultAndCache( uid, m_driver->query(&find) ); } /* * update the dict */ void OPimTodoAccessBackendSQL::fillDict() { #if 0 /* initialize dict */ /* * UPDATE dict if you change anything!!! * FIXME: Isn't this dict obsolete ? (eilers) */ m_dict.setAutoDelete( TRUE ); m_dict.insert("Categories" , new int(OPimTodo::Category) ); m_dict.insert("Uid" , new int(OPimTodo::Uid) ); m_dict.insert("HasDate" , new int(OPimTodo::HasDate) ); m_dict.insert("Completed" , new int(OPimTodo::Completed) ); m_dict.insert("Description" , new int(OPimTodo::Description) ); m_dict.insert("Summary" , new int(OPimTodo::Summary) ); m_dict.insert("Priority" , new int(OPimTodo::Priority) ); m_dict.insert("DateDay" , new int(OPimTodo::DateDay) ); m_dict.insert("DateMonth" , new int(OPimTodo::DateMonth) ); m_dict.insert("DateYear" , new int(OPimTodo::DateYear) ); m_dict.insert("Progress" , new int(OPimTodo::Progress) ); m_dict.insert("Completed", new int(OPimTodo::Completed) ); // Why twice ? (eilers) m_dict.insert("CrossReference", new int(OPimTodo::CrossReference) ); // m_dict.insert("HasAlarmDateTime",new int(OPimTodo::HasAlarmDateTime) ); // old stuff (eilers) // m_dict.insert("AlarmDateTime", new int(OPimTodo::AlarmDateTime) ); // old stuff (eilers) #endif } /* * need to be const so let's fool the * compiler :( */ void OPimTodoAccessBackendSQL::update()const { ((OPimTodoAccessBackendSQL*)this)->m_dirty = false; LoadQuery lo; OSQLResult res = m_driver->query(&lo); if ( res.state() != OSQLResult::Success ) return; ((OPimTodoAccessBackendSQL*)this)->m_uids = uids( res ); } QArray<int> OPimTodoAccessBackendSQL::uids( const OSQLResult& res) const{ OSQLResultItem::ValueList list = res.results(); OSQLResultItem::ValueList::Iterator it; diff --git a/libopie2/opiepim/backend/otodoaccesssql.h b/libopie2/opiepim/backend/otodoaccesssql.h index 0cc7722..415f791 100644 --- a/libopie2/opiepim/backend/otodoaccesssql.h +++ b/libopie2/opiepim/backend/otodoaccesssql.h @@ -30,64 +30,64 @@ #define OPIE_PIM_ACCESS_SQL_H /* #include <qasciidict.h> */ #include <opie2/otodoaccessbackend.h> namespace Opie { namespace DB { class OSQLDriver; class OSQLResult; class OSQLResultItem; } } namespace Opie { class OPimTodoAccessBackendSQL : public OPimTodoAccessBackend { public: OPimTodoAccessBackendSQL( const QString& file ); ~OPimTodoAccessBackendSQL(); bool load(); bool reload(); bool save(); QArray<int> allRecords()const; QArray<int> queryByExample( const OPimTodo& t, int settings, const QDateTime& d = QDateTime() ); OPimTodo find(int uid)const; OPimTodo find(int uid, const QArray<int>&, uint cur, Frontend::CacheDirection )const; void clear(); bool add( const OPimTodo& t ); bool remove( int uid ); bool replace( const OPimTodo& t ); QArray<int> overDue(); QArray<int> effectiveToDos( const QDate& start, const QDate& end, bool includeNoDates ); QArray<int> sorted(bool asc, int sortOrder, int sortFilter, int cat ); QBitArray supports()const; QArray<int> matchRegexp( const QRegExp &r ) const; void removeAllCompleted(); private: void update()const; void fillDict(); inline bool date( QDate& date, const QString& )const; - inline OPimTodo todo( const Opie::DB::OSQLResult& )const; + inline OPimTodo parseResultAndCache( int uid, const Opie::DB::OSQLResult& )const; inline OPimTodo todo( Opie::DB::OSQLResultItem& )const; inline QArray<int> uids( const Opie::DB::OSQLResult& )const; OPimTodo todo( int uid )const; QBitArray sup() const; QMap<QString, QString> requestCustom( int uid ) const; // QAsciiDict<int> m_dict; Opie::DB::OSQLDriver* m_driver; QArray<int> m_uids; bool m_dirty : 1; }; } #endif diff --git a/libopie2/opiepim/core/opimaccesstemplate.h b/libopie2/opiepim/core/opimaccesstemplate.h index 6f01b46..7ab1ea5 100644 --- a/libopie2/opiepim/core/opimaccesstemplate.h +++ b/libopie2/opiepim/core/opimaccesstemplate.h @@ -74,102 +74,102 @@ public: /** * load from the backend */ bool load(); /** Reload database. * You should execute this function if the external database * was changed. * This function will load the external database and afterwards * rejoin the local changes. Therefore the local database will be set consistent. */ virtual bool reload(); /** Save contacts database. * Save is more a "commit". After calling this function, all changes are public available. * @return true if successful */ bool save(); /** * 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; + T find( int uid )const; /** * read ahead cache find method ;) */ - virtual T find( int uid, const QArray<int>&, + 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& ); /** * Add an Opie PimRecord. * Info: Take this if you are working with OPimRecords and you need to add it into any database. * But take care that the accessing database is compatible to the real type of OPimRecord !! * Otherwise this access will be rejected ! */ 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) ; |