hierarchydatasupplier.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#pragma once
 
#include <rtl/ref.hxx>
#include <ucbhelper/resultset.hxx>
#include <mutex>
#include <utility>
#include <vector>
#include "hierarchydata.hxx"
 
namespace hierarchy_ucp {
 
class HierarchyEntryData;
class HierarchyContent;
 
class HierarchyResultSetDataSupplier :
        public ::ucbhelper::ResultSetDataSupplier
{
private:
    bool checkResult( const HierarchyEntryData& rResult );
 
public:
    HierarchyResultSetDataSupplier(
                    const css::uno::Reference< css::uno::XComponentContext >& rxContext,
                    const rtl::Reference< HierarchyContent >& rContent,
                    sal_Int32 nOpenMode );
    virtual ~HierarchyResultSetDataSupplier() override;
 
    virtual OUString queryContentIdentifierString( sal_uInt32 nIndex ) final override;
    virtual css::uno::Reference< css::ucb::XContentIdentifier >
    queryContentIdentifier( sal_uInt32 nIndex ) override;
    virtual css::uno::Reference< css::ucb::XContent >
    queryContent( sal_uInt32 nIndex ) override;
 
    virtual bool getResult( sal_uInt32 nIndex ) final override;
 
    virtual sal_uInt32 totalCount() override;
    virtual sal_uInt32 currentCount() override;
    virtual bool isCountFinal() override;
 
    virtual css::uno::Reference< css::sdbc::XRow >
    queryPropertyValues( sal_uInt32 nIndex  ) override;
    virtual void releasePropertyValues( sal_uInt32 nIndex ) override;
 
    virtual void close() override;
 
    virtual void validate() override;
private:
    OUString queryContentIdentifierStringImpl( std::unique_lock<std::mutex>&, sal_uInt32 nIndex );
    bool getResultImpl( std::unique_lock<std::mutex>&, sal_uInt32 nIndex );
 
    struct ResultListEntry
    {
        OUString                             aId;
        css::uno::Reference< css::ucb::XContentIdentifier > xId;
        css::uno::Reference< css::ucb::XContent >           xContent;
        css::uno::Reference< css::sdbc::XRow >              xRow;
        HierarchyEntryData                        aData;
 
        explicit ResultListEntry( HierarchyEntryData aEntry ) : aData(std::move( aEntry )) {}
    };
    typedef std::vector< std::unique_ptr<ResultListEntry> > ResultList;
    std::mutex                                      m_aMutex;
    ResultList                                      m_aResults;
    rtl::Reference< HierarchyContent >              m_xContent;
    css::uno::Reference< css::uno::XComponentContext > m_xContext;
    HierarchyEntry                                  m_aFolder;
    HierarchyEntry::iterator                        m_aIterator;
    sal_Int32                                       m_nOpenMode;
    bool                                            m_bCountFinal;
};
 
} // namespace hierarchy_ucp
 
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