--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/locationtriggering/ltcontainer/inc/lbtdboperationao.h Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,119 @@
+/*
+* 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 header file describes the class that handles the
+* asynchronous operations on the triggers in database.
+*
+*/
+
+
+#ifndef C_LBTDB_OPERATION_AO_H
+#define C_LBTDB_OPERATION_AO_H
+
+#include <e32base.h>
+#include <d32dbms.h>
+
+// forward declaration
+class CLbtDbTriggersManager;
+
+/**
+ * Execute the Database operations asynchronously
+ */
+NONSHARABLE_CLASS( CLbtDbOperationAO ) : public CActive
+ {
+public:
+ static CLbtDbOperationAO* NewL(
+ RDbDatabase& aDb,
+ CLbtDbTriggersManager* aObserver);
+
+ virtual ~CLbtDbOperationAO();
+
+ void ExecuteQuery(
+ RDbView& aView,
+ TDesC& aQuery);
+
+ TInt ExecuteSyncQuery(
+ RDbView& aView,
+ TDesC& aQuery);
+ void CompactDb();
+
+ TBool IsCompactionOngoing();
+
+protected:
+ /**
+ * Implements cancellation of an outstanding request.
+ */
+ virtual void DoCancel();
+
+ /**
+ * Handles completion of the Db operation request.
+ */
+ virtual void RunL();
+
+ /**
+ * Handles error in the execution of the Db operation
+ */
+ virtual TInt RunError(TInt aError);
+
+private:
+
+ CLbtDbOperationAO(
+ RDbDatabase& aDb,
+ CLbtDbTriggersManager* aObserver);
+
+ void ConstructL();
+
+private:
+ enum TDbOperationType
+ {
+ EDbOperationNone = 0, // Currently ready to execute a Db operation
+ EDbSqlQuery = 1, // Executing a Sql Query on the Database
+ EDbCompaction = 2 // Executing a compaction operation on the database
+ };
+
+private: // data
+ /** Handle to the Database */
+ RDbDatabase& iDb;
+
+ /**
+ * The Database view which provides the interface to execute
+ * the db operations.
+ * Does not own the Handle. This is just a reference.
+ */
+ RDbView* iView;
+
+ /**
+ * The observer for the asynchronous operation.
+ * Does not own the observer object.
+ */
+ CLbtDbTriggersManager* iObserver;
+
+ /**
+ * The Db handle to execute incremental operations on the database.
+ * Typical operations are on the database itself like compaction and
+ * recovery..
+ */
+ RDbIncremental iDbIncrOp;
+
+ /**
+ * Counts the remaining steps in the Incremental operation
+ */
+ TInt iSteps;
+
+ /**
+ * Indicates the type of async Db operation being performed by this object
+ */
+ TDbOperationType iOperation;
+ };
+
+#endif // C_LBTDB_OPERATION_AO_H