155dd761e8
Change-Id: I8d015bf1435c6b3becd40ffd9056b9906a6dd19b Reviewed-on: https://gerrit.libreoffice.org/c/core/+/146938 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
386 lines
12 KiB
C++
386 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include "contentresultsetwrapper.hxx"
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <com/sun/star/lang/XTypeProvider.hpp>
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include <com/sun/star/ucb/XFetchProvider.hpp>
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#include <com/sun/star/ucb/XFetchProviderForContentAccess.hpp>
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#include <com/sun/star/ucb/FetchResult.hpp>
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#include <com/sun/star/ucb/XContentIdentifierMapping.hpp>
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#include <com/sun/star/ucb/XCachedContentResultSetFactory.hpp>
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#include <cppuhelper/implbase.hxx>
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#include <rtl/ref.hxx>
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#include <optional>
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namespace com::sun::star::script {
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class XTypeConverter;
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}
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class CCRS_PropertySetInfo;
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class CachedContentResultSet
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: public ContentResultSetWrapper
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, public css::lang::XTypeProvider
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, public css::lang::XServiceInfo
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{
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class CCRS_Cache
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{
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private:
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std::optional<css::ucb::FetchResult>
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m_pResult;
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css::uno::Reference< css::ucb::XContentIdentifierMapping >
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m_xContentIdentifierMapping;
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std::optional<css::uno::Sequence< sal_Bool >> m_pMappedReminder;
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private:
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/// @throws css::sdbc::SQLException
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/// @throws css::uno::RuntimeException
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css::uno::Any&
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getRowAny( sal_Int32 nRow );
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void clear();
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void remindMapped( sal_Int32 nRow );
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bool isRowMapped( sal_Int32 nRow );
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css::uno::Sequence< sal_Bool >& getMappedReminder();
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public:
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CCRS_Cache( const css::uno::Reference<
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css::ucb::XContentIdentifierMapping > & xMapping );
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~CCRS_Cache();
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void loadData(
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const css::ucb::FetchResult& rResult );
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bool
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hasRow( sal_Int32 nRow ) const;
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bool
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hasCausedException( sal_Int32 nRow ) const;
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sal_Int32
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getMaxRow() const;
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bool
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hasKnownLast() const;
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/// @throws css::sdbc::SQLException
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/// @throws css::uno::RuntimeException
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const css::uno::Any&
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getAny( sal_Int32 nRow, sal_Int32 nColumnIndex );
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/// @throws css::uno::RuntimeException
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OUString const &
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getContentIdentifierString( sal_Int32 nRow );
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/// @throws css::uno::RuntimeException
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css::uno::Reference< css::ucb::XContentIdentifier >
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getContentIdentifier( sal_Int32 nRow );
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/// @throws css::uno::RuntimeException
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css::uno::Reference< css::ucb::XContent >
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getContent( sal_Int32 nRow );
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};
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//members
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css::uno::Reference< css::uno::XComponentContext >
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m_xContext;
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//different Interfaces from Origin:
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css::uno::Reference< css::ucb::XFetchProvider >
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m_xFetchProvider; //XFetchProvider-interface from m_xOrigin
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css::uno::Reference< css::ucb::XFetchProviderForContentAccess >
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m_xFetchProviderForContentAccess; //XFetchProviderForContentAccess-interface from m_xOrigin
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rtl::Reference< CCRS_PropertySetInfo >
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m_xMyPropertySetInfo;
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css::uno::Reference< css::ucb::XContentIdentifierMapping >
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m_xContentIdentifierMapping;// can be used for remote optimized ContentAccess
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//some Properties and helping variables
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sal_Int32 m_nRow;
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bool m_bAfterLast; // TRUE, if m_nRow is after final count; can be TRUE without knowing the exact final count
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sal_Int32 m_nLastAppliedPos;
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bool m_bAfterLastApplied;
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sal_Int32 m_nKnownCount; // count we know from the Origin
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bool m_bFinalCount; // TRUE if the Origin has reached final count and we got that count in m_nKnownCount
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sal_Int32 m_nFetchSize;
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sal_Int32 m_nFetchDirection;
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bool m_bLastReadWasFromCache;
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bool m_bLastCachedReadWasNull;
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//cache:
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CCRS_Cache m_aCache;
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CCRS_Cache m_aCacheContentIdentifierString;
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CCRS_Cache m_aCacheContentIdentifier;
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CCRS_Cache m_aCacheContent;
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private:
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//helping XPropertySet methods.
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virtual void impl_initPropertySetInfo(std::unique_lock<std::mutex>& rGuard) override;
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/// @throws css::sdbc::SQLException
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/// @throws css::uno::RuntimeException
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bool
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applyPositionToOrigin( std::unique_lock<std::mutex>& rGuard, sal_Int32 nRow );
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/// @throws css::uno::RuntimeException
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void
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impl_fetchData( std::unique_lock<std::mutex>& rGuard, sal_Int32 nRow, sal_Int32 nCount
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, sal_Int32 nFetchDirection );
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bool
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impl_isKnownValidPosition( std::unique_lock<std::mutex>& rGuard, sal_Int32 nRow ) const;
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bool
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impl_isKnownInvalidPosition( std::unique_lock<std::mutex>& rGuard, sal_Int32 nRow ) const;
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void
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impl_changeRowCount( std::unique_lock<std::mutex>& rGuard, sal_Int32 nOld, sal_Int32 nNew );
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void
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impl_changeIsRowCountFinal( std::unique_lock<std::mutex>& rGuard, bool bOld, bool bNew );
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public:
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CachedContentResultSet(
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const css::uno::Reference< css::uno::XComponentContext > & rxContext,
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const css::uno::Reference< css::sdbc::XResultSet > & xOrigin,
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const css::uno::Reference< css::ucb::XContentIdentifierMapping > & xContentIdentifierMapping );
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virtual ~CachedContentResultSet() override;
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// XInterface
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virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
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virtual void SAL_CALL acquire()
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noexcept override;
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virtual void SAL_CALL release()
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noexcept override;
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// XTypeProvider
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virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() override;
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virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
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// XServiceInfo
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virtual OUString SAL_CALL getImplementationName() override;
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virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
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virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
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// XPropertySet inherited
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virtual void
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setPropertyValueImpl( std::unique_lock<std::mutex>& rGuard, const OUString& aPropertyName,
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const css::uno::Any& aValue ) override;
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virtual css::uno::Any SAL_CALL
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getPropertyValue( const OUString& PropertyName ) override;
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// own inherited
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virtual void
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impl_disposing( const css::lang::EventObject& Source ) override;
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virtual void
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impl_propertyChange( const css::beans::PropertyChangeEvent& evt ) override;
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virtual void
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impl_vetoableChange( const css::beans::PropertyChangeEvent& aEvent ) override;
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// XContentAccess inherited
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virtual OUString
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queryContentIdentifierStringImpl(std::unique_lock<std::mutex>& rGuard) override;
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virtual css::uno::Reference<
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css::ucb::XContentIdentifier > SAL_CALL
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queryContentIdentifier() override;
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virtual css::uno::Reference<
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css::ucb::XContent > SAL_CALL
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queryContent() override;
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// XResultSet inherited
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virtual sal_Bool SAL_CALL
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next() override;
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virtual sal_Bool SAL_CALL
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isBeforeFirst() override;
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virtual sal_Bool SAL_CALL
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isAfterLast() override;
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virtual sal_Bool SAL_CALL
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isFirst() override;
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virtual sal_Bool SAL_CALL
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isLast() override;
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virtual void SAL_CALL
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beforeFirst() override;
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virtual void SAL_CALL
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afterLast() override;
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virtual sal_Bool SAL_CALL
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first() override;
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virtual sal_Bool SAL_CALL
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last() override;
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virtual sal_Int32 SAL_CALL
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getRow() override;
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virtual sal_Bool SAL_CALL
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absolute( sal_Int32 row ) override;
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virtual sal_Bool SAL_CALL
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relative( sal_Int32 rows ) override;
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virtual sal_Bool SAL_CALL
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previous() override;
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virtual void SAL_CALL
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refreshRow() override;
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virtual sal_Bool SAL_CALL
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rowUpdated() override;
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virtual sal_Bool SAL_CALL
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rowInserted() override;
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virtual sal_Bool SAL_CALL
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rowDeleted() override;
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virtual css::uno::Reference<
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css::uno::XInterface > SAL_CALL
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getStatement() override;
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// XRow inherited
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virtual sal_Bool SAL_CALL
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wasNull() override;
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virtual OUString SAL_CALL
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getString( sal_Int32 columnIndex ) override;
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virtual sal_Bool SAL_CALL
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getBoolean( sal_Int32 columnIndex ) override;
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virtual sal_Int8 SAL_CALL
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getByte( sal_Int32 columnIndex ) override;
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virtual sal_Int16 SAL_CALL
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getShort( sal_Int32 columnIndex ) override;
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virtual sal_Int32 SAL_CALL
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getInt( sal_Int32 columnIndex ) override;
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virtual sal_Int64 SAL_CALL
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getLong( sal_Int32 columnIndex ) override;
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virtual float SAL_CALL
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getFloat( sal_Int32 columnIndex ) override;
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virtual double SAL_CALL
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getDouble( sal_Int32 columnIndex ) override;
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virtual css::uno::Sequence< sal_Int8 > SAL_CALL
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getBytes( sal_Int32 columnIndex ) override;
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virtual css::util::Date SAL_CALL
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getDate( sal_Int32 columnIndex ) override;
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virtual css::util::Time SAL_CALL
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getTime( sal_Int32 columnIndex ) override;
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virtual css::util::DateTime SAL_CALL
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getTimestamp( sal_Int32 columnIndex ) override;
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virtual css::uno::Reference< css::io::XInputStream > SAL_CALL
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getBinaryStream( sal_Int32 columnIndex ) override;
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virtual css::uno::Reference< css::io::XInputStream > SAL_CALL
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getCharacterStream( sal_Int32 columnIndex ) override;
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virtual css::uno::Any SAL_CALL
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getObject( sal_Int32 columnIndex,
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const css::uno::Reference< css::container::XNameAccess >& typeMap ) override;
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virtual css::uno::Reference< css::sdbc::XRef > SAL_CALL
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getRef( sal_Int32 columnIndex ) override;
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virtual css::uno::Reference< css::sdbc::XBlob > SAL_CALL
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getBlob( sal_Int32 columnIndex ) override;
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virtual css::uno::Reference< css::sdbc::XClob > SAL_CALL
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getClob( sal_Int32 columnIndex ) override;
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virtual css::uno::Reference< css::sdbc::XArray > SAL_CALL
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getArray( sal_Int32 columnIndex ) override;
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// Type Converter support
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private:
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bool m_bTriedToGetTypeConverter;
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css::uno::Reference< css::script::XTypeConverter > m_xTypeConverter;
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const css::uno::Reference<
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css::script::XTypeConverter >& getTypeConverter(std::unique_lock<std::mutex>& rGuard);
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template<typename T> T rowOriginGet(
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T (SAL_CALL css::sdbc::XRow::* f)(sal_Int32), sal_Int32 columnIndex);
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};
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class CachedContentResultSetFactory final :
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public cppu::WeakImplHelper<
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css::lang::XServiceInfo,
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css::ucb::XCachedContentResultSetFactory>
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{
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css::uno::Reference< css::uno::XComponentContext > m_xContext;
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public:
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CachedContentResultSetFactory( const css::uno::Reference< css::uno::XComponentContext > & rxContext);
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virtual ~CachedContentResultSetFactory() override;
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// XServiceInfo
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virtual OUString SAL_CALL getImplementationName() override;
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virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
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virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
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// XCachedContentResultSetFactory
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virtual css::uno::Reference< css::sdbc::XResultSet > SAL_CALL
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createCachedContentResultSet(
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const css::uno::Reference< css::sdbc::XResultSet > & xSource,
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const css::uno::Reference< css::ucb::XContentIdentifierMapping > & xMapping ) override;
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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