--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/metadataengine/server/inc/mdsschema.h	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,201 @@
+/*
+* Copyright (c) 2009 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:  Class to hold description about schema
+*
+*/
+
+#ifndef __MDSSCHEMA_H__
+#define __MDSSCHEMA_H__
+
+#include <e32base.h>
+#include "mdccommon.h"
+
+class CMdsNamespaceDef;
+class CMdsObjectDef;
+class CMdsClauseBuffer;
+
+
+
+/**
+ *  Metadata object class
+ *
+ *  This class is responsible for holding information about one object
+ *
+ */
+class CMdsSchema : public CBase
+    {
+    friend class CMdsImportExport;
+
+public:
+	/**
+	 * Create new objectdef object
+	 * @param aId id of object
+	 * @param aName name of object
+	 * @param aParent parent to actual object
+	 * @return pointer to new created object
+	 */
+    static CMdsSchema* NewL( );
+
+	/**
+	 * Create new objectdef object
+	 * @param aId id of object
+	 * @param aName name of object
+	 * @param aParent parent to actual object
+	 * @return pointer to new created object
+	 */
+    static CMdsSchema* NewLC( );
+
+    virtual ~CMdsSchema();
+
+    /**
+     * Create tables to store whole Schema into DB
+     */
+    void StoreToDBL();
+    
+    /**
+     * Check and return namespace searching by Id
+     */
+    const CMdsNamespaceDef* GetNamespaceByIdL( TDefId aId );
+
+    /**
+     * Check if namespace exists to avoid duplication
+     * @param aName namespace name to search for
+     * @return address of existing namespace or NULL
+     */
+	CMdsNamespaceDef* GetNamespace( const TDesC& aName );
+
+    /**
+     * Adds default BaseObject "Object"
+     */
+    void AddDefaultObjectL();
+
+    /**
+     * Adds default KMdEDefaultNameSpace 
+     */
+    void AddDefaultNamespaceL();
+
+    /**
+     * Returns NamespaceDefsCount  
+     */
+    TInt NamespaceDefsCount() const;
+
+    /**
+     * Returns reference to the NamespaceDefs  
+     */
+    const RPointerArray<CMdsNamespaceDef>& NamespaceDefs() const;
+
+	void SerializeToSharedMemoryL();
+	
+	TInt SharedMemoryHandleL();
+
+protected:
+
+	/**
+	 * Add object and it's parents properties names and types to clause
+	 * parameters
+	 * @param aObject object which properties should be add
+	 * @param aClause clause where add instructions to sql execute
+	 */
+	void AddObjectToSqlClauseL( CMdsObjectDef* aObject, CMdsClauseBuffer* aClause,
+	                            const TBool& aAddText );
+
+    /**
+     * Add namespace to array of existing ones
+     * @param aName namespace name
+     * @param aReadOnly namespace read-only flag
+     * @param aNamespaceDefId namespaceDefd, or zero (none) to get automatic one
+     * @return new added namespace
+     */
+	CMdsNamespaceDef* NamespaceAddL( const TDesC& aName, const TBool aReadOnly,
+			TInt32 aVendorId, TDefId aNamespaceDefId = 0 );
+
+	/**
+	 * Combine two schemas and put it to one in aSchema
+	 * @param aSchema schema where to add readed schema
+	 */
+    void MergeNamespacesL( CMdsSchema& aSchema );
+
+	void MergeElementsL( CMdsSchema& aSchema, const TBool& aDryRun );
+
+    /**
+     * Create tables to store whole Schema into DB (internal)
+     */
+    void StoreSchemaToDBL();
+
+	void StoreNamespacesAndBaseObjectL();
+
+	void CreateCol2PropTableL();
+
+	void AddCol2PropObjectL( CMdsObjectDef* aObject, CMdsObjectDef* aChildObject,
+							 TUint32& aPropertyColumnCounter, TBool aText );
+
+    /**
+     * Create tables for objects
+     */
+    void CreateObjectTablesL();
+
+private:
+    inline CMdsSchema();
+
+	/**
+	 * 2nd phase constructor
+	 * @param aName name of property
+	 */
+    void ConstructL();
+
+	/**
+	 * Deletes all namespaces and clean it's array
+	 */
+	void Reset();
+	
+	/**
+	 * Creates property index for a object table.
+	 */
+	void CreatePropertyIndexL( const TDesC& aPropertyName, const TDesC& aTableName, TDefId aNamespaceId );
+	
+	class TPropertyInfo
+		{
+	public:
+		TPropertyInfo( const TDesC& aTableName, const TDesC& aPropertyName, TDefId aNamespaceId ) :
+			iTableName( aTableName ), iPropertyName( aPropertyName )
+		{
+		iNamespaceId = aNamespaceId;
+		}
+		
+		TPtrC iTableName;
+		TPtrC iPropertyName;
+		TDefId iNamespaceId;
+		};
+
+private: // data
+    /**
+     * Store every namespace read from schema file.
+     */
+	RPointerArray<CMdsNamespaceDef> iNamespaceDefs;
+	
+	RArray<TPropertyInfo> iProperties;
+
+	/**
+	 * Default base object, parent to all others
+	 */
+	CMdsObjectDef* iBaseObject;
+	
+	RChunk iSerializedSchema;
+	
+	TBool iSerialized;
+	
+	TInt iSchemaHandle;
+    };
+
+#endif // __MDSSCHEMA_H__