author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 09:22:25 +0200 | |
changeset 0 | dfb7c4ff071f |
child 12 | 8b5d60ce1e94 |
permissions | -rw-r--r-- |
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// File MDBVisitorRecordLink.cpp |
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// |
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// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// Visitor that interacts with the central repository for CMDBRecordLink |
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// A record link field in a record is treated as a field of type TMDBElementId |
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// and is therefore handled by the standard visitor class |
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// This class is for explicit MMetaDatabase calls on the CMDBRecordLink element itself |
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// |
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// |
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/** |
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@file |
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@internalComponent |
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*/ |
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#include "CommsDatInternalDefs.h" |
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#include <commsdattypesv1_1.h> |
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#include <comms-infras/commsdatschema.h> |
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using namespace CommsDat; |
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using namespace CommsDatInternal; |
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using namespace Meta; |
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CommsDat::TMDBRecordLinkVisitor::TMDBRecordLinkVisitor(CMDBElement** aData) |
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/* note that data in base class will be set on SetOwner*/ |
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: CommsDat::TMDBVisitor<TInt>(NULL), iLinkedRecord(aData) |
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/** |
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* Constructor |
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*/ |
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{ |
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} |
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CommsDat::TMDBRecordLinkVisitor* CommsDat::TMDBRecordLinkVisitor::NewL(const TAny* aMem, const TAny* aData) |
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/** |
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* Instantiates a RecordSet Visitor of a particular type. |
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* Used for attribute registration (in the data v-table). |
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*/ |
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{ |
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return static_cast<CommsDat::TMDBRecordLinkVisitor*>( ::new ((TUint8*)aMem) TMDBRecordLinkVisitor( (CMDBElement**)aData ) ); |
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} |
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TInt CommsDat::TMDBRecordLinkVisitor::Changed() const |
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/* |
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when this is not an int |
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composite class always returns changed so iterator will look for changed members. |
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*/ |
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{ |
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if (iOwner && (iOwner->Type() != ELink )) |
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{ |
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return TMDBVisitor<TInt>::Changed(); |
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} |
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return 1; |
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} |
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void CommsDat::TMDBRecordLinkVisitor::SetOwner(CMDBElement* aOwner) |
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/* |
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Set the owner of this element as is needed for callback. |
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Also set a pointer to the value in the owner for convenience |
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@internalComponent |
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*/ |
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{ |
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TMDBVisitorBase::SetOwner(aOwner); |
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// now set iTarget to have easy access to the link field value |
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if (iTarget == NULL) |
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{ |
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iTarget = reinterpret_cast<SMDBMetaElement<TInt>*>(aOwner->Data()); |
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} |
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} |
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void CommsDat::TMDBRecordLinkVisitor::CheckLinkValueL(TMDBElementId aLinkedElementId) |
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/* |
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utility to check the value of this field specifies <Table><Record>. |
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Nothing less and nothing more. |
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Caller compliance and validation should already have got us to this point. |
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@internalComponent |
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*/ |
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{ |
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if ( (aLinkedElementId & KCDMaskShowRecordType) == 0 || |
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(aLinkedElementId & KCDMaskShowRecordId) == 0 || |
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(aLinkedElementId & ~KCDMaskShowRecordTypeAndId) != 0 ) |
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106 |
{ |
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__FLOG_STATIC1(KLogComponent, KCDErrLog, |
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_L("TMDBRecordLinkVisitor::CheckLinkedValueL() - link Value of <%08x> does not specify a table and record id and is not valid."), aLinkedElementId); |
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109 |
|
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User::Leave(KErrArgument); |
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111 |
} |
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} |
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113 |
|
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114 |
|
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void CommsDat::TMDBRecordLinkVisitor::CheckLinkedRecordL(TMDBElementId aLinkedElementId) |
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/* |
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utility to check the linked record |
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118 |
|
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@internalcomponent |
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120 |
*/ |
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121 |
{ |
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if (iLinkedRecord != NULL && *iLinkedRecord != NULL) |
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123 |
{ |
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// just check the record is the right type |
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if ( (aLinkedElementId & KCDMaskShowRecordTypeAndId) != |
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((*iLinkedRecord)->ElementId() & KCDMaskShowRecordTypeAndId) ) |
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127 |
{ |
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__FLOG_STATIC2(KLogComponent, KCDErrLog, |
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_L("TMDBRecordLinkVisitor::CheckLinkedRecordL() - TypeId given in field value <%08x> and type of linked record <%08x> do not match. Link not usable."), (aLinkedElementId & KCDMaskShowRecordType), (*iLinkedRecord)->TypeId() & KCDMaskShowRecordType); |
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130 |
|
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User::Leave(KErrArgument); |
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132 |
} |
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133 |
} |
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134 |
} |
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135 |
|
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void CommsDat::TMDBRecordLinkVisitor::MaintainBCForLegacyLinks() |
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// yes this is a hack but need something to give clients the value |
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// they expect in order to maintain bc |
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139 |
{ |
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if (iTarget->iValue > KCDMaxRecords) |
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141 |
{ |
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if( ( (iTarget->iElementId & KCDMaskShowRecordType ) < KCDTIdAccessPointRecord && |
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(iTarget->iElementId & KCDMaskShowRecordType ) != KCDTIdWLANServiceExtRecord ) )//|| |
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// (iTarget->iElementId & KCDMaskShowType ) == KCDTIdSelectionPolicy || |
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// (iTarget->iElementId & KCDMaskShowRecordType ) == KCDTIdApPrioritySelectionPolicyRecord ) |
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146 |
{ |
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iTarget->iValue = ((iTarget->iValue & KCDMaskShowRecordId) >> 8); |
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148 |
} |
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149 |
} |
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150 |
} |
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151 |
|
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152 |
|
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void CommsDat::TMDBRecordLinkVisitor::CreateLinkedRecordL(CMDBSession& aSession, TMDBElementId aLinkedElementId) |
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/* |
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utility to create the linked record |
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156 |
|
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@internalcomponent |
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158 |
*/ |
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159 |
{ |
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if (iLinkedRecord != NULL && *iLinkedRecord == NULL ) |
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161 |
{ |
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162 |
|
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if ((aLinkedElementId & KCDMaskShowRecordType) == 0) |
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164 |
{ |
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aLinkedElementId = CommsDatSchema::GetLinkIdL(aSession, iTarget->iElementId, iTarget->iValue, (*iLinkedRecord)? (*iLinkedRecord)->ElementId(): 0/*, iOwner*/); |
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166 |
} |
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// Create a new record of the appropriate type |
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// trap is here to maintain behaviour compatibility |
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TRAPD(err, *iLinkedRecord = CCDRecordBase::RecordFactoryL(aLinkedElementId & KCDMaskShowRecordType);) |
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170 |
|
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if(err != KErrNone) |
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172 |
{ |
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__FLOG_STATIC2(KLogComponent, KCDErrLog, _L("TMDBRecordLinkVisitor::MaybeCreateLinkedRecordL() Link Record creation for id <%08x> failed with err <%d>."), aLinkedElementId, err); |
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|
174 |
|
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User::Leave(err); |
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176 |
} |
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177 |
|
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(*iLinkedRecord)->SetElementId(aLinkedElementId | KCDMaskShowFieldType); |
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179 |
} |
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180 |
} |
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181 |
|
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182 |
TInt CommsDat::TMDBRecordLinkVisitor::GetL(CMDBSessionImpl* aSession) |
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183 |
/* |
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184 |
Assumes fully resolved element Id but still needs mask for reserved bits |
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185 |
|
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@internalComponent |
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*/ |
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188 |
{ |
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TInt err = TMDBVisitor<TInt>::GetL(aSession); |
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190 |
|
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if (err == KErrNone && iOwner->Type() != ELink) |
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192 |
{ |
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MaintainBCForLegacyLinks(); |
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} |
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195 |
|
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return err; |
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197 |
} |
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198 |
|
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TInt CommsDat::TMDBRecordLinkVisitor::LoadL(CMDBSessionImpl* aSession, TMDBElementId aRecordId, TMDBAttributeFlags aAttributeFlags) |
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200 |
/* |
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Assumes type and record id set by caller |
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202 |
|
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@internalComponent |
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204 |
*/ |
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205 |
{ |
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// First load the link id which is the value in this field |
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TInt err = TMDBVisitor<TInt>::LoadL(aSession, (*iElementId & ~KCDMaskShowRecordId) | (aRecordId & KCDMaskShowRecordId), aAttributeFlags); |
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|
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if (iOwner->Type() == ELink && |
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err == KErrNone ) |
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{ |
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if (iLinkedRecord != NULL && *iLinkedRecord != NULL) |
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213 |
{ |
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CheckLinkedRecordL(iTarget->iValue); |
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|
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(*iLinkedRecord)->SetRecordId(iTarget->iValue); |
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217 |
|
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(*iLinkedRecord)->LoadL(aSession->iOwner); |
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219 |
} |
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220 |
else |
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221 |
{ |
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CreateLinkedRecordL(aSession->iOwner, iTarget->iValue); |
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if(*iLinkedRecord != NULL) |
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224 |
{ |
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TRAPD(err, (*iLinkedRecord)->LoadL(aSession->iOwner)); |
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226 |
|
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if (err != KErrNone) |
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228 |
{ |
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delete *iLinkedRecord; |
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*iLinkedRecord = NULL; |
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} |
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232 |
} |
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233 |
} |
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234 |
} |
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235 |
|
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MaintainBCForLegacyLinks(); |
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237 |
|
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return err; |
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239 |
} |
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240 |
|
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|
241 |
|
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TInt CommsDat::TMDBRecordLinkVisitor::LoadL(CMDBSessionImpl* aSession, TMDBElementId aElementId, TMDBAttributeFlags aAttributeFlags, RArray<TUint32>& /*aIds*/) |
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243 |
/* |
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// KErrNoMatch |
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// KErrNoAuthorisation |
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246 |
|
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@internalComponent |
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248 |
*/ |
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249 |
{ |
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return LoadL(aSession, aElementId, aAttributeFlags); |
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251 |
} |
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252 |
|
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253 |
|
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254 |
|
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TInt CommsDat::TMDBRecordLinkVisitor::FindL(CMDBSessionImpl* aSession, RArray<TUint32>& aIds) |
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256 |
/* |
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257 |
Find fields checking whether the value matches the instantiated one if set. The value must first be translated into |
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the <table><record> format so that a match can be found. |
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// KErrNoMatch |
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// KErrNoAuthorisation |
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261 |
* |
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262 |
@internalComponent |
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263 |
*/ |
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264 |
{ |
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TInt err(KErrNone); |
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|
266 |
|
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if ( iOwner->Type() == ELink && |
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268 |
iLinkedRecord != NULL && |
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*iLinkedRecord != NULL) |
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270 |
{ |
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// Find the linked record |
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272 |
|
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|
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TBool found = (*iLinkedRecord)->FindL(aSession->iOwner); |
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|
274 |
|
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// set the value to match the record if it wasn't specifically changed |
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if ( found ) |
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277 |
{ |
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if (!TMDBVisitor<TInt>::Changed() ) |
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279 |
{ |
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280 |
iTarget->iValue = (*iLinkedRecord)->ElementId() & KCDMaskShowRecordTypeAndId; |
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|
281 |
Change(); |
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|
282 |
} |
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|
283 |
else |
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|
284 |
{ |
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|
285 |
CheckLinkedRecordL(iTarget->iValue); |
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|
286 |
} |
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287 |
} |
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288 |
else |
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|
289 |
{ |
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|
290 |
err = KErrNotFound; |
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291 |
} |
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292 |
} |
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|
293 |
|
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|
294 |
// Then find the linking field |
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295 |
if ( err == KErrNone && TMDBVisitor<TInt>::Changed() ) |
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|
296 |
{ |
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|
297 |
|
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|
298 |
// first validate the linking field - have to trap in case is not valid |
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299 |
TInt temp(0); |
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|
300 |
|
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|
301 |
|
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|
302 |
{ |
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|
303 |
TRAPD(trapErr, temp = CommsDatSchema::GetLinkIdL(aSession->iOwner, iTarget->iElementId, |
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|
304 |
iTarget->iValue, (iLinkedRecord? (*iLinkedRecord)->ElementId(): 0), |
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|
305 |
iOwner ); ); |
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|
306 |
|
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|
307 |
if (trapErr != KErrNone) |
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|
308 |
{ |
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|
309 |
if (trapErr == KErrArgument) |
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|
310 |
{ |
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|
311 |
return KErrNotFound; |
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312 |
} |
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313 |
else |
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|
314 |
{ |
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|
315 |
// some other error has occurred |
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|
316 |
User::Leave(trapErr); |
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|
317 |
} |
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|
318 |
} |
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|
319 |
} |
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parents:
diff
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|
320 |
|
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parents:
diff
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|
321 |
// Now look for the field with the value of temp |
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|
322 |
|
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|
323 |
TInt mask = KCDMaskShowType; |
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diff
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|
324 |
|
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|
325 |
// First look for the given value |
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|
326 |
err = aSession->StorageL()->FindEqL(ElementId() & ~aSession->GetReadAttributeMask(), mask, temp, aIds); |
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|
327 |
|
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|
328 |
if ( aIds.Count() <= 0 ) |
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|
329 |
{ |
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|
330 |
if (err == KErrNotFound) |
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|
331 |
{ |
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|
332 |
// then try just looking for the value of the recordId on its own |
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|
333 |
err = aSession->StorageL()->FindEqL(ElementId() & ~aSession->GetReadAttributeMask(), mask, (temp & KCDMaskShowInstance), aIds); |
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|
334 |
} |
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Revision: 200951
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parents:
diff
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|
335 |
#ifdef __DEBUG // because only doing this for logging |
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|
336 |
if ( err != KErrNone || aIds.Count() <= 0 ) |
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|
337 |
{ |
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|
338 |
if (err == KErrNone || err == KErrNotFound) |
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|
339 |
{ |
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Revision: 200951
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340 |
__FLOG_STATIC3(KLogComponent, KCDInfoLog, _L("TMDBRecordLinkVisitor::FindL() storage server FindEqL() did not find field <%08x>, value <%08x>"), ElementId(), iTarget->iValue, err); |
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|
341 |
} |
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|
342 |
else |
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parents:
diff
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|
343 |
{ |
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diff
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|
344 |
__FLOG_STATIC3(KLogComponent, KCDErrLog, _L("TMDBRecordLinkVisitor::FindL() storage server FindEqL() for field <%08x>, value <%08x>, returned unexpected err <%d>"), ElementId(), iTarget->iValue, err); |
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parents:
diff
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|
345 |
} |
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diff
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|
346 |
} |
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Revision: 200951
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parents:
diff
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|
347 |
#endif |
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|
348 |
} |
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Revision: 200951
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diff
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|
349 |
} |
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Revision: 200951
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|
350 |
|
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Revision: 200951
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|
351 |
return err; |
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|
352 |
} |
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Revision: 200951
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diff
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|
353 |
|
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Revision: 200951
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parents:
diff
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|
354 |
|
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Revision: 200951
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parents:
diff
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|
355 |
|
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Revision: 200951
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diff
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|
356 |
TInt CommsDat::TMDBRecordLinkVisitor::RefreshL(CMDBSessionImpl* aSession) |
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|
357 |
/* |
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Revision: 200951
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|
358 |
Refresh existing data where it has not been changed |
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|
359 |
// KErrNoMatch |
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Revision: 200951
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|
360 |
// KErrNoAuthorisation |
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|
361 |
|
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Revision: 200951
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|
362 |
@internalComponent |
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Revision: 200951
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|
363 |
*/ |
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Revision: 200951
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diff
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|
364 |
{ |
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Revision: 200951
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diff
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|
365 |
if (! aSession || ! aSession->StorageL()) |
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Revision: 200951
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|
366 |
User::Leave(KErrNotReady); |
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Revision: 200951
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diff
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|
367 |
|
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Revision: 200951
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|
368 |
TInt err(KErrGeneral); |
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|
369 |
|
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Revision: 200951
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|
370 |
//First refresh the field |
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Revision: 200951
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|
371 |
if ( TMDBVisitor<TInt>::Changed() ) |
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Revision: 200951
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parents:
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|
372 |
{ |
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Revision: 200951
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|
373 |
err = TMDBVisitor<TInt>::RefreshL(aSession); |
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Revision: 200951
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parents:
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|
374 |
} |
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Revision: 200951
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parents:
diff
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|
375 |
|
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Revision: 200951
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parents:
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|
376 |
if ( iOwner->Type() == ELink && |
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Revision: 200951
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parents:
diff
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|
377 |
err == KErrNone && |
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Revision: 200951
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|
378 |
iLinkedRecord != NULL && |
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Revision: 200951
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|
379 |
*iLinkedRecord != NULL ) |
dfb7c4ff071f
Revision: 200951
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parents:
diff
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|
380 |
{ |
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Revision: 200951
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parents:
diff
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|
381 |
// Now refresh the linked record too |
dfb7c4ff071f
Revision: 200951
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parents:
diff
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|
382 |
|
dfb7c4ff071f
Revision: 200951
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parents:
diff
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|
383 |
CheckLinkedRecordL(iTarget->iValue); |
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
384 |
|
dfb7c4ff071f
Revision: 200951
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parents:
diff
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|
385 |
(*iLinkedRecord)->SetRecordId(iTarget->iValue); |
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
386 |
|
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
387 |
(*iLinkedRecord)->RefreshL(aSession->iOwner); |
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
388 |
} |
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
389 |
|
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
390 |
if (! TMDBVisitor<TInt>::Changed()) |
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
391 |
{ |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
392 |
MaintainBCForLegacyLinks(); |
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
393 |
} |
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
394 |
|
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
395 |
return err; |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
396 |
} |
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
397 |
|
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
398 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
void CommsDat::TMDBRecordLinkVisitor::SetLinkValueL(CMDBSession& aSession) |
dfb7c4ff071f
Revision: 200951
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parents:
diff
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|
400 |
// always store the fully qualified link id (table and Record) |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
401 |
{ |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
// if ( (iTarget->iValue & KLinkableTag) != NULL) |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
// { // change the link value to table/record |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
iTarget->iValue = CommsDatSchema::GetLinkIdL(aSession, iTarget->iElementId, iTarget->iValue, 0/*, iOwner*/); |
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
405 |
// } |
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
406 |
// else |
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
407 |
// { // just validate the link |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
// TInt temp = CommsDatSchema::GetLinkIdL(aSession, iTarget->iElementId, iTarget->iValue, NULL, iOwner); |
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
409 |
// } |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
} |
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
411 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
TInt CommsDat::TMDBRecordLinkVisitor::StoreL(CMDBSessionImpl* aSession, TMDBElementId aRecordId, TMDBAttributeFlags aAttributeFlags) |
dfb7c4ff071f
Revision: 200951
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parents:
diff
changeset
|
414 |
/* |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
Create a new linked field. |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
If the linked record is also attached then create it as well if necessary. |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
if the linked record is present it is assumed the client has changed it appropriately |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
// KErrNoAuthorisation |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
// KErrAlreadyExists |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
@internalComponent |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
*/ |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
{ |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
if (! iTarget || ! iElementId || ! aSession->StorageL()) |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
{ |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
User::Leave(KErrNotReady); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
} |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
if ( iTarget->iValue == 0) |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
{ |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
return KErrNone; // pointless to store an empty link |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
} |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
// First find the tableid of the linked field... |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
// Translate this link field into a storable element id <Table><Record> if enough information is present |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
SetLinkValueL(aSession->iOwner); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
// __FLOG_STATIC2(KLogComponent, KCDInfoLog, _L("TMDBRecordLinkVisitor StoreL() storing link value <%08x> in field <%08x>"), iTarget->iValue, ElementId()); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
// TUInt32 storeVal = iTarget->iValue > KCDMaxRecords ? (iTarget->iValue >> 8 ): iTarget->iValue) |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
*iElementId = (*iElementId & ~KCDMaskShowRecordId) | (aRecordId & KCDMaskShowRecordId) | aAttributeFlags; |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
TInt err = aSession->StorageL()->Create( ElementId() & KCDMaskHideRes, iTarget->iValue); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
if (err != KErrNone) |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
{ |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
__FLOG_STATIC2(KLogComponent, KCDErrLog, _L("TMDBRecordLinkVisitor StoreL() storage server StoreL failed with err <%d> when storing field <%08x>"), err, ElementId()); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
} |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
else if ( iOwner->Type() == ELink && |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
iLinkedRecord != NULL && *iLinkedRecord != NULL ) |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
{ |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
// Now store the linked record too |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
// Check that the link value is consistent with the linked record |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
CheckLinkedRecordL(iTarget->iValue); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
(*iLinkedRecord)->SetRecordId(iTarget->iValue); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
// ensure the record id is set and then call StoreL on the linked record |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
(*iLinkedRecord)->StoreL(aSession->iOwner); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
} |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
MaintainBCForLegacyLinks(); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
return err; |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
} |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
TInt CommsDat::TMDBRecordLinkVisitor::ModifyL(CMDBSessionImpl* aSession, TMDBAttributeFlags aAttributeFlags) |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
/* |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
Modify field in the store |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
Assumes that client has correctly changed the linkedRecord if changed the link value |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
// KErrNoAuthorisation |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
// KErrNoMatch |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
@internalComponent |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
*/ |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
{ |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
if (! iElementId || ! aSession->StorageL()) |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
{ |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
User::Leave(KErrNotReady); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
} |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
TInt err = KErrNone; |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
// First modify the link field which is the value in this field |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
if (0 == iTarget->iValue) |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
{ |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
/* The value of a linked field is modified to 0. This means that instead of storing |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
* the 0 value the node (field) should be deleted from the DB. |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
*/ |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
err = aSession->MaybeDeleteNodeL(NULL, iTarget->iElementId); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
return err; |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
} |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
else |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
// Translate this link field into a storable element id <Table><Record> if enough information is present |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
{ |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
SetLinkValueL(aSession->iOwner); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
} |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
err = TMDBVisitor<TInt>::ModifyL(aSession, aAttributeFlags); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
if (iOwner->Type() == ELink && |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
err == KErrNone && |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
iLinkedRecord != NULL && *iLinkedRecord != NULL ) |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
{ |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
// Now modify the linked record too. |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
// it's the caller's responsibility to ensure the linkedRecord type matches the changed value |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
CheckLinkedRecordL(iTarget->iValue); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
(*iLinkedRecord)->SetRecordId(iTarget->iValue); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
(*iLinkedRecord)->ModifyL(aSession->iOwner); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
} |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
MaintainBCForLegacyLinks(); |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
return err; |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
} |
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
|
dfb7c4ff071f
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
//EOF |