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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(std::unique_lock<std::mutex>& rGuard) override;
/// @throws css::sdbc::SQLException
/// @throws css::uno::RuntimeException
bool
applyPositionToOrigin( std::unique_lock<std::mutex>& rGuard, sal_Int32 nRow );
/// @throws css::uno::RuntimeException
void
impl_fetchData( std::unique_lock<std::mutex>& rGuard, sal_Int32 nRow, sal_Int32 nCount
, sal_Int32 nFetchDirection );
bool
impl_isKnownValidPosition( std::unique_lock<std::mutex>& rGuard, sal_Int32 nRow ) const;
bool
impl_isKnownInvalidPosition( std::unique_lock<std::mutex>& rGuard, sal_Int32 nRow ) const;
void
impl_changeRowCount( std::unique_lock<std::mutex>& rGuard, sal_Int32 nOld, sal_Int32 nNew );
void
impl_changeIsRowCountFinal( std::unique_lock<std::mutex>& rGuard, 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
setPropertyValueImpl( std::unique_lock<std::mutex>& rGuard, 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
queryContentIdentifierStringImpl(std::unique_lock<std::mutex>& rGuard) 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(std::unique_lock<std::mutex>& rGuard);
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: */
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