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