1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/persistentdata/persistentstorage/dbms/utable/UT_REC.CPP Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,187 @@
1.4 +// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +#include "UT_STD.H"
1.20 +
1.21 +// Class CDbRecordBase
1.22 +
1.23 +EXPORT_C TBool CDbRecordBase::DoRestoreL()
1.24 +//
1.25 +// If we haven't been opened, then try to restore the state
1.26 +//
1.27 + {
1.28 + TBool broken=RestoreL();
1.29 + iFlags|=broken ? EBroken : EOpen;
1.30 + return broken;
1.31 + }
1.32 +
1.33 +EXPORT_C void CDbRecordBase::TouchL()
1.34 +//
1.35 +// if we are not modified then mark
1.36 +// Can touch a broken object, will not invoke AboutToModifyL()
1.37 +//
1.38 + {
1.39 + __ASSERT(iFlags&(EOpen|EBroken));
1.40 + if (!(iFlags&EModified))
1.41 + {
1.42 + if (!(iFlags&EBroken))
1.43 + AboutToModifyL();
1.44 + iFlags|=EModified;
1.45 + }
1.46 + }
1.47 +
1.48 +EXPORT_C void CDbRecordBase::FlushL()
1.49 +//
1.50 +// If we are open, modified and not broken then flush
1.51 +// Must allow un-opened Flush during framework cleanup on failed open
1.52 +//
1.53 + {
1.54 + if (iFlags==(EOpen|EModified))
1.55 + {
1.56 + SynchL();
1.57 + iFlags&=~EModified;
1.58 + }
1.59 + }
1.60 +
1.61 +void CDbRecordBase::DoAbandon(CDbRecordBase* aRec)
1.62 + {
1.63 + aRec->Abandon();
1.64 + }
1.65 +
1.66 +void CDbRecordBase::DoFlushL(CDbRecordBase* aRec)
1.67 + {
1.68 + aRec->FlushL();
1.69 + }
1.70 +
1.71 +void CDbRecordBase::DoDelete(CDbRecordBase* aRec)
1.72 + {
1.73 + delete aRec;
1.74 + }
1.75 +
1.76 +EXPORT_C TBool CDbRecordBase::RestoreL()
1.77 +//
1.78 +// default to do nothing
1.79 +//
1.80 + {
1.81 + return EFalse;
1.82 + }
1.83 +
1.84 +EXPORT_C void CDbRecordBase::AboutToModifyL()
1.85 +//
1.86 +// default to do nothing
1.87 +//
1.88 + {}
1.89 +
1.90 +EXPORT_C void CDbRecordBase::SynchL()
1.91 +//
1.92 +// default to do nothing
1.93 +//
1.94 + {}
1.95 +
1.96 +
1.97 +// Class CDbRecordIter
1.98 +
1.99 +EXPORT_C CDbRecordIter::CDbRecordIter(CDbRecordBase& aHost)
1.100 + :iHost(aHost)
1.101 + {}
1.102 +
1.103 +EXPORT_C CDbRecordIter::~CDbRecordIter()
1.104 + {}
1.105 +
1.106 +
1.107 +// Class CDbRecordSpace
1.108 +
1.109 +TUint8* CDbRecordSpace::ReplaceL(TDbRecordId aRecordId,TInt aRecordSize)
1.110 + {
1.111 + __ASSERT(!IsBroken());
1.112 + TouchL();
1.113 + return DoReplaceL(aRecordId,aRecordSize);
1.114 + }
1.115 +
1.116 +TUint8* CDbRecordSpace::NewL(TInt aRecordSize)
1.117 + {
1.118 + __ASSERT(!IsBroken());
1.119 + TouchL();
1.120 + return DoNewL(aRecordSize);
1.121 + }
1.122 +
1.123 +void CDbRecordSpace::EraseL(TDbRecordId aRecordId)
1.124 + {
1.125 + __ASSERT(!IsBroken());
1.126 + TouchL();
1.127 + DoEraseL(aRecordId);
1.128 + }
1.129 +
1.130 +// Class CDbBlobSpace
1.131 +
1.132 +EXPORT_C MStreamBuf* CDbBlobSpace::ReadLC(TDbBlobId aBlobId,TDbColType aType) const
1.133 + {
1.134 + MStreamBuf* buf=ReadL(aBlobId,aType);
1.135 + buf->PushL();
1.136 + return buf;
1.137 + }
1.138 +
1.139 +EXPORT_C MStreamBuf* CDbBlobSpace::CreateL(TDbBlobId &aBlobId,TDbColType aType)
1.140 + {
1.141 + __ASSERT(!IsBroken());
1.142 + TouchL();
1.143 + return DoCreateL(aBlobId,aType);
1.144 + }
1.145 +
1.146 +EXPORT_C TDbBlobId CDbBlobSpace::CreateL(TDbColType aType,const TAny* aData,TInt aLength)
1.147 +//
1.148 +// Create a blob containing the data buffer
1.149 +//
1.150 + {
1.151 + TDbBlobId id;
1.152 + MStreamBuf* buf=CreateL(id,aType);
1.153 + buf->PushL();
1.154 + buf->WriteL(aData,aLength);
1.155 + buf->SynchL();
1.156 + CleanupStack::PopAndDestroy();
1.157 + return id;
1.158 + }
1.159 +
1.160 +EXPORT_C void CDbBlobSpace::DeleteL(TDbBlobId aBlobId)
1.161 + {
1.162 + if (aBlobId!=KDbNullBlobId)
1.163 + {
1.164 + __ASSERT(!IsBroken());
1.165 + TouchL();
1.166 + DoDeleteL(aBlobId);
1.167 + }
1.168 + }
1.169 +
1.170 +EXPORT_C TInt CDbBlobSpace::Delete(TDbBlobId aBlobId)
1.171 + {
1.172 + TRAPD(r,DeleteL(aBlobId));
1.173 + return r;
1.174 + }
1.175 +
1.176 +// Class CDbRecordIndex
1.177 +
1.178 +TBool CDbRecordIndex::InsertL(TDbRecordId aRecordId,const RDbTableRow& aRow)
1.179 + {
1.180 + __ASSERT(!IsBroken());
1.181 + TouchL();
1.182 + return DoInsertL(aRecordId,aRow);
1.183 + }
1.184 +
1.185 +void CDbRecordIndex::DeleteL(TDbRecordId aRecordId,const RDbTableRow& aRow)
1.186 + {
1.187 + __ASSERT(!IsBroken());
1.188 + TouchL();
1.189 + DoDeleteL(aRecordId,aRow);
1.190 + }