--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/locationtriggering/ltcontainer/src/lbtdboperationao.cpp Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,247 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: This file implements the Location triggering container
+* interface
+*
+*/
+
+
+#include "lbtdboperationao.h"
+#include "lbtdbtriggersmanager.h"
+#include "lbtlogger.h"
+
+
+// ======== MEMBER FUNCTIONS ========
+
+
+// ---------------------------------------------------------------------------
+// The Symbian 2 phase constructor
+// ---------------------------------------------------------------------------
+//
+CLbtDbOperationAO* CLbtDbOperationAO::NewL(
+ RDbDatabase& aDb,
+ CLbtDbTriggersManager* aObserver)
+ {
+ CLbtDbOperationAO* self = new( ELeave ) CLbtDbOperationAO(aDb, aObserver);
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Execute a SQL query asynchronously
+// ---------------------------------------------------------------------------
+//
+void CLbtDbOperationAO::ExecuteQuery(
+ RDbView& aView,
+ TDesC& aQuery)
+ {
+ FUNC_ENTER("CLbtDbOperationAO::ExecuteQuery");
+ if ( IsActive() )
+ {
+ // We are already executing an asynchronous operation so return error
+ TRAP_IGNORE( iObserver->DbSqlOperationCompletedL( KErrInUse ) );
+ return;
+ }
+
+ iView = &aView;
+ iView->Prepare( iDb, TDbQuery(aQuery, EDbCompareFolded) );
+ iView->Evaluate(iStatus);
+ SetActive();
+ iOperation = EDbSqlQuery;
+ }
+
+
+// ---------------------------------------------------------------------------
+// CLbtDbOperationAO::ExecuteSyncQuery
+// ---------------------------------------------------------------------------
+//
+TInt CLbtDbOperationAO::ExecuteSyncQuery(
+ RDbView& aView,
+ TDesC& aQuery)
+ {
+ FUNC_ENTER("CLbtDbOperationAO::ExecuteSyncQuery");
+ TInt err = aView.Prepare( iDb, TDbQuery(aQuery, EDbCompareFolded),KDbUnlimitedWindow );
+ // This should evaluate the query fully
+ if ( err == KErrNone )
+ {
+ err = aView.EvaluateAll();
+ }
+ return err;
+ }
+
+// ---------------------------------------------------------------------------
+// Compact the database
+// ---------------------------------------------------------------------------
+//
+void CLbtDbOperationAO::CompactDb()
+ {
+ FUNC_ENTER("CLbtDbOperationAO::CompactDb");
+ if ( IsActive() )
+ {
+ // We are already executing an asynchronous operation so return error
+ iObserver->DbIncrementalOperationCompleted( KErrInUse );
+ return;
+ }
+
+ TInt error = iDbIncrOp.Compact(iDb, iSteps);
+ if(error != KErrNone)
+ {
+ ERROR("iDbIncrOp.Compact returned %d", error);
+ iDbIncrOp.Close();
+ return;
+ }
+ error = iDbIncrOp.Next( iSteps );
+ iStatus = KRequestPending;
+ SetActive();
+ iOperation = EDbCompaction;
+ iStatus = KRequestPending;
+ TRequestStatus* status = &iStatus;
+ User::RequestComplete(status, error);
+ }
+
+// ---------------------------------------------------------------------------
+// DoCancel
+// ---------------------------------------------------------------------------
+//
+TBool CLbtDbOperationAO::IsCompactionOngoing()
+ {
+ if( EDbCompaction == iOperation )
+ {
+ return ETrue;
+ }
+ return EFalse;
+ }
+
+
+// ---------------------------------------------------------------------------
+// DoCancel
+// ---------------------------------------------------------------------------
+//
+void CLbtDbOperationAO::DoCancel()
+ {
+ FUNC_ENTER("CLbtDbOperationAO::DoCancel");
+ switch( iOperation )
+ {
+ case EDbSqlQuery:
+ iView->Cancel();
+ break;
+ case EDbCompaction:
+ // Nothing to do here since the step is already completed.
+ break;
+ default:
+ break;
+ }
+ iOperation = EDbOperationNone;
+ }
+
+
+// ---------------------------------------------------------------------------
+// RunL
+// ---------------------------------------------------------------------------
+//
+void CLbtDbOperationAO::RunL()
+ {
+ FUNC_ENTER("CLbtDbOperationAO::RunL");
+ switch( iOperation )
+ {
+ case EDbSqlQuery:
+ if ( iStatus.Int() > 0 )
+ {
+ iView->Evaluate(iStatus);
+ SetActive();
+ }
+ else
+ {
+ iOperation = EDbOperationNone;
+ iObserver->DbSqlOperationCompletedL( iStatus.Int() );
+ }
+ break;
+ case EDbCompaction:
+ if ( iStatus.Int() == KErrNone && iSteps )
+ {
+ // If the steps till now have been successful and if there
+ // are more steps to be executed
+ TInt error = iDbIncrOp.Next( iSteps );
+ iStatus = KRequestPending;
+ SetActive();
+ TRequestStatus* status = &iStatus;
+ User::RequestComplete(status, error);
+ }
+ else
+ {
+ // Either the operation was fully completed or
+ // there was an error during database compaction.
+ // So just close the incremental operation and
+ // return the error (in case of the error).
+ iDbIncrOp.Close();
+ iOperation = EDbOperationNone;
+ iObserver->DbIncrementalOperationCompleted( iStatus.Int() );
+ }
+ break;
+ default:
+ // Nothing to do in this case
+ break;
+ }
+ }
+
+
+// ---------------------------------------------------------------------------
+// RunError
+// ---------------------------------------------------------------------------
+//
+TInt CLbtDbOperationAO::RunError(TInt /*aError*/)
+ {
+ FUNC_ENTER("CLbtDbOperationAO::RunError");
+ // RunL doesn't have any Leaving calls. So no implementation here.
+ return KErrNone;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CLbtDbOperationAO::~CLbtDbOperationAO()
+ {
+ FUNC_ENTER("CLbtDbOperationAO::~CLbtDbOperationAO");
+ }
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CLbtDbOperationAO::CLbtDbOperationAO(
+ RDbDatabase& aDb,
+ CLbtDbTriggersManager* aObserver)
+ :CActive(CActive::EPriorityStandard),
+ iDb(aDb),
+ iObserver(aObserver),
+ iOperation(EDbOperationNone)
+ {
+ CActiveScheduler::Add(this);
+ }
+
+
+// ---------------------------------------------------------------------------
+// The 2nd phase Symbian Constructor
+// ---------------------------------------------------------------------------
+//
+void CLbtDbOperationAO::ConstructL()
+ {
+ }
+
+