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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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#ifndef _CONNECTIVITY_FILE_TABLE_HXX_
#define _CONNECTIVITY_FILE_TABLE_HXX_

#include "connectivity/sdbcx/VTable.hxx"
#include <com/sun/star/sdbc/XDatabaseMetaData.hpp>
#include <com/sun/star/lang/XUnoTunnel.hpp>
#ifndef _CONNECTIVITY_FILE_BCONNECTION_HXX_
#include "file/FConnection.hxx"
#endif
#include "file/filedllapi.hxx"
#include <tools/stream.hxx>
#include "connectivity/FValue.hxx"
#include "TResultSetHelper.hxx"

namespace connectivity
{
	namespace file
	{
		typedef connectivity::sdbcx::OTable OTable_TYPEDEF;

		class OOO_DLLPUBLIC_FILE OFileTable :	public OTable_TYPEDEF
		{
		protected:
			OConnection*										m_pConnection;
			SvStream*											m_pFileStream;
			::vos::ORef<OSQLColumns>							m_aColumns;
			sal_Int32											m_nFilePos;					// aktuelle IResultSetHelper::Movement
			sal_uInt8*											m_pBuffer;
			sal_uInt16											m_nBufferSize;	// Groesse des ReadBuffer, wenn pBuffer != NULL
			sal_Bool											m_bWriteable;	// svstream can't say if we are writeable
																				// so we have to

			virtual void FileClose();
			virtual ~OFileTable( );
		public:
			virtual void refreshColumns();
			virtual void refreshKeys();
			virtual void refreshIndexes();
		public:
			OFileTable( sdbcx::OCollection* _pTables,OConnection* _pConnection);
			OFileTable(	sdbcx::OCollection* _pTables,OConnection* _pConnection,
					const ::rtl::OUString& _Name,
					const ::rtl::OUString& _Type,
					const ::rtl::OUString& _Description = ::rtl::OUString(),
					const ::rtl::OUString& _SchemaName = ::rtl::OUString(),
					const ::rtl::OUString& _CatalogName = ::rtl::OUString()
				);

			//XInterface
			virtual ::com::sun::star::uno::Any SAL_CALL queryInterface( const ::com::sun::star::uno::Type & rType ) throw(::com::sun::star::uno::RuntimeException);
			virtual void SAL_CALL acquire() throw();
            virtual void SAL_CALL release() throw();
			// ::cppu::OComponentHelper
			virtual void SAL_CALL disposing(void);

			OConnection* getConnection() const { return m_pConnection;}
			virtual sal_Int32 getCurrentLastPos() const {return -1;}

			virtual sal_Bool seekRow(IResultSetHelper::Movement eCursorPosition, sal_Int32 nOffset, sal_Int32& nCurPos) = 0;
			virtual sal_Bool fetchRow(OValueRefRow& _rRow,const OSQLColumns& _rCols, sal_Bool _bUseTableDefs,sal_Bool bRetrieveData) = 0;

			::vos::ORef<OSQLColumns> getTableColumns() const {return m_aColumns;}
			virtual sal_Bool InsertRow(OValueRefVector& rRow, sal_Bool bFlush,const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess>& _xCols);
			virtual sal_Bool DeleteRow(const OSQLColumns& _rCols);
			virtual sal_Bool UpdateRow(OValueRefVector& rRow, OValueRefRow& pOrgRow,const ::com::sun::star::uno::Reference< ::com::sun::star::container::XIndexAccess>& _xCols);
			virtual void addColumn(const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet>& descriptor);
			virtual void dropColumn(sal_Int32 _nPos);
			// refresh the header of file based tables to see changes done by someone 
			virtual void refreshHeader();

			::rtl::OUString SAL_CALL getName() throw() { return m_Name; }

			::rtl::OUString getSchema() { return m_SchemaName; }
			sal_Bool isReadOnly() const { return !m_bWriteable; }
				// m_pFileStream && !m_pFileStream->IsWritable(); }
			// com::sun::star::lang::XUnoTunnel
			virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& aIdentifier ) throw(::com::sun::star::uno::RuntimeException);
			static ::com::sun::star::uno::Sequence< sal_Int8 > getUnoTunnelImplementationId();

			
			sal_Int32 getFilePos() const { return m_nFilePos; }

		public:
			// helper

			// creates a stream using ::utl::UcbStreamHelper::CreateStream, but the error is simplified
			// (NULL or non-NULL is returned)
			static SvStream* createStream_simpleError( const String& _rFileName, StreamMode _eOpenMode);
		};
	}
}
#endif // _CONNECTIVITY_FILE_TABLE_HXX_