| 1 | /* |
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| 2 | SPDX-FileCopyrightText: 2015 Vishesh Handa <vhanda@kde.org> |
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| 3 | |
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| 4 | SPDX-License-Identifier: LGPL-2.1-or-later |
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| 5 | */ |
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| 6 | |
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| 7 | #ifndef BALOO_POSTINGITERATOR_H |
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| 8 | #define BALOO_POSTINGITERATOR_H |
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| 9 | |
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| 10 | #include <QVector> |
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| 11 | #include "engine_export.h" |
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| 12 | |
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| 13 | namespace Baloo { |
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| 14 | |
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| 15 | /** |
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| 16 | * A PostingIterator is an abstract base class which can be used to iterate |
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| 17 | * over all the "postings" or "documents" which are particular term appears. |
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| 18 | * |
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| 19 | * All PostingIterators should iterate over a list of non-decreasing document ids. |
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| 20 | */ |
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| 21 | class BALOO_ENGINE_EXPORT PostingIterator |
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| 22 | { |
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| 23 | public: |
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| 24 | virtual ~PostingIterator(); |
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| 25 | |
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| 26 | virtual quint64 next() = 0; |
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| 27 | virtual quint64 docId() const = 0; |
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| 28 | virtual quint64 skipTo(quint64 docId); |
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| 29 | }; |
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| 30 | } |
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| 31 | |
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| 32 | #endif // BALOO_POSTINGITERATOR_H |
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| 33 | |
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