author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 19 Apr 2010 14:40:16 +0300 | |
changeset 0 | 671dee74050a |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 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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* |
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*/ |
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|
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#include "CIndexingWorker.h" |
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#include "CSearchDocument.h" |
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#include "CCPixIndexer.h" |
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|
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#include <e32math.h> |
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CSearchDocument* GenerateDocumentLC( TInt aIndexAverageItems, |
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const TDesC& aAppClass, |
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TDes& buf) |
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{ |
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TBuf<64> id; |
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TInt deletionId = Math::Random() % aIndexAverageItems; |
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id.AppendNum( deletionId ); |
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|
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CSearchDocument* doc = CSearchDocument::NewLC( id, |
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aAppClass ); |
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|
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buf.Zero(); |
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TInt n = LogRand( KTermCountDeviation ) + 1; |
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for ( TInt i = 0; i < n; i++ ) |
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{ |
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buf.AppendNum( LogRand( KTermDeviation ) ); |
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if ( i + 1 < n ) |
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{ |
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buf.Append( _L( " " ) ); |
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} |
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} |
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|
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doc->AddFieldL( KContentsField, buf, CDocumentField::EStoreYes | |
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CDocumentField::EIndexTokenized | |
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CDocumentField::EAggregateNo ); |
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doc->AddExcerptL( buf ); |
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|
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return doc; |
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} |
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|
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// |
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// CIndexingWorker |
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// |
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|
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CIndexingWorker::CIndexingWorker( TBool aDeletesEnabled, TInt aIndexAverageItems, TInt aSleep ) |
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: iStop( EFalse ), |
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iNextFreeUid( 0 ), |
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iQualAppClass( 0 ), |
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iAppClass( 0 ), |
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iDeletesEnabled( aDeletesEnabled ), |
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iIndexAverageItems( aIndexAverageItems ), |
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iSleep( aSleep ), |
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iAdditions(), |
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iDeletes(), |
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iAdditionsMicroSeconds(), |
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iDeletesMicroSeconds() |
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{ |
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} |
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|
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CIndexingWorker* CIndexingWorker::NewL( const TDesC& aAppClass, TBool aDeletesEnabled, TInt aIndexAverageItems, TInt aSleep ) |
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{ |
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CIndexingWorker* self = new ( ELeave ) CIndexingWorker( aDeletesEnabled, aIndexAverageItems, aSleep ); |
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CleanupStack::PushL( self ); |
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self->ConstructL( aAppClass ); |
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CleanupStack::Pop( self ); |
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return self; |
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} |
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|
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void CIndexingWorker::ConstructL( const TDesC& aQualAppClass ) |
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{ |
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CWorker::ConstructL(); |
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iQualAppClass = aQualAppClass.AllocL(); |
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iAppClass = aQualAppClass.Right( aQualAppClass.Length() - aQualAppClass.Find( _L( ":" ) ) - 1 ).AllocL(); |
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|
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iName = HBufC::NewL( 512 ); |
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iName->Des().Append( _L( "indexer" ) ); |
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iName->Des().AppendNum( WorkerId() ); |
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iName->Des().Append( _L( "_") ); |
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iName->Des().Append( *iAppClass ); |
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} |
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CIndexingWorker::~CIndexingWorker() |
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{ |
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delete iName; |
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delete iAppClass; |
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delete iQualAppClass; |
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} |
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|
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void CIndexingWorker::DoPrepareL() |
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{ |
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iStop = EFalse; |
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} |
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|
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void CIndexingWorker::DoCancel() |
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108 |
{ |
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109 |
iStop = ETrue; |
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110 |
} |
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111 |
|
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112 |
void CIndexingWorker::DoRunL() |
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113 |
{ |
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114 |
RSearchServerSession session; |
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115 |
User::LeaveIfError( session.Connect() ); |
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116 |
CleanupClosePushL( session ); |
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117 |
CCPixIndexer* indexer = CCPixIndexer::NewLC( session ); |
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118 |
indexer->OpenDatabaseL( *iQualAppClass ); |
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119 |
|
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120 |
HBufC* buf = HBufC::NewLC( 1024*8 ); |
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121 |
|
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122 |
while ( !iStop ) |
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123 |
{ |
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124 |
// |
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125 |
// Following pieces of code will always add one item and after that |
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126 |
// it will delete an item at random. The average amount of items |
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127 |
// released by the deletion part is the amount of documents n divided |
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128 |
// by constant KAverageItemsPerIndex. This will keep the amount of |
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129 |
// items around KAverageItemsPerIndex on average. |
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130 |
|
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131 |
// |
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132 |
// Add item |
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133 |
TBuf<64> docuid; |
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134 |
|
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135 |
TInt choose; |
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136 |
if ( iDeletesEnabled ) |
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137 |
{ |
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choose = Math::Random()%2; |
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139 |
} |
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140 |
else |
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141 |
{ |
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142 |
choose = 0; // always add |
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143 |
} |
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144 |
|
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145 |
switch ( choose ) |
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146 |
{ |
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147 |
case 0: |
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148 |
// |
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149 |
// Add item |
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150 |
{ |
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151 |
TPtr pbuf( buf->Des() ); |
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152 |
CSearchDocument* doc = |
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153 |
GenerateDocumentLC( iIndexAverageItems, |
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154 |
*iAppClass, |
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155 |
pbuf ); |
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156 |
|
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157 |
TTime before; |
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158 |
before.UniversalTime(); |
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159 |
indexer->AddL( *doc ); |
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160 |
TTime after; |
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161 |
after.UniversalTime(); |
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162 |
iAdditions++; |
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163 |
iAdditionsMicroSeconds += after.MicroSecondsFrom(before).Int64(); |
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164 |
|
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165 |
CleanupStack::PopAndDestroy( doc ); |
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166 |
} |
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167 |
break; |
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168 |
case 1: |
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169 |
// |
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170 |
// Delete item |
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171 |
{ |
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172 |
docuid.Zero(); |
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173 |
GetId( docuid ); |
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|
174 |
TTime before; |
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175 |
before.UniversalTime(); |
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|
176 |
indexer->DeleteL( docuid ); |
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|
177 |
TTime after; |
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178 |
after.UniversalTime(); |
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|
179 |
iDeletes++; |
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180 |
iDeletesMicroSeconds += after.MicroSecondsFrom(before).Int64(); |
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181 |
} |
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182 |
break; |
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183 |
} |
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184 |
Unlock(); |
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185 |
SleepRandom( iSleep ); |
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|
186 |
Lock(); |
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187 |
} |
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|
188 |
CleanupStack::PopAndDestroy( buf ); |
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|
189 |
CleanupStack::PopAndDestroy( indexer ); |
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|
190 |
CleanupStack::PopAndDestroy(); // session |
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191 |
} |
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|
192 |
|
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193 |
const TDesC& CIndexingWorker::Name() { |
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194 |
return *iName; |
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195 |
} |
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|
196 |
|
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197 |
void CIndexingWorker::GetId(TDes& aId) |
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198 |
{ |
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199 |
TInt deletionId = Math::Random() % iIndexAverageItems; |
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|
200 |
aId.AppendNum( deletionId ); |
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|
201 |
} |
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|
202 |
|
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203 |
TInt CIndexingWorker::ConsumeAdditions() |
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204 |
{ |
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|
205 |
TInt ret = iAdditions; |
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|
206 |
iAdditions = 0; |
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207 |
return ret; |
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208 |
} |
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|
209 |
|
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210 |
TInt CIndexingWorker::ConsumeAdditionsMicroSeconds() |
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|
211 |
{ |
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|
212 |
TInt ret = iAdditionsMicroSeconds; |
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|
213 |
iAdditionsMicroSeconds = 0; |
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214 |
return ret; |
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215 |
} |
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|
216 |
|
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217 |
TInt CIndexingWorker::ConsumeDeletes() |
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218 |
{ |
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|
219 |
TInt ret = iDeletes; |
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iDeletes = 0; |
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Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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return ret; |
671dee74050a
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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} |
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Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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223 |
|
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Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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TInt CIndexingWorker::ConsumeDeletesMicroSecond () |
671dee74050a
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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{ |
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Revision: 201011
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parents:
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TInt ret = iDeletesMicroSeconds; |
671dee74050a
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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iDeletesMicroSeconds = 0; |
671dee74050a
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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return ret; |
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Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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229 |
} |