clang-tools 20.0.0git
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#include <Iterator.h>
Public Member Functions | |
Corpus (DocID Size) | |
std::unique_ptr< Iterator > | intersect (std::vector< std::unique_ptr< Iterator > > Children) const |
Returns AND Iterator which performs the intersection of the PostingLists of its children. | |
std::unique_ptr< Iterator > | unionOf (std::vector< std::unique_ptr< Iterator > > Children) const |
Returns OR Iterator which performs the union of the PostingLists of its children. | |
std::unique_ptr< Iterator > | all () const |
Returns TRUE Iterator which iterates over "virtual" PostingList containing all items in range [0, Size) in an efficient manner. | |
std::unique_ptr< Iterator > | none () const |
Returns FALSE Iterator which iterates over no documents. | |
std::unique_ptr< Iterator > | boost (std::unique_ptr< Iterator > Child, float Factor) const |
Returns BOOST iterator which multiplies the score of each item by given factor. | |
std::unique_ptr< Iterator > | limit (std::unique_ptr< Iterator > Child, size_t Limit) const |
Returns LIMIT iterator, which yields up to N elements of its child iterator. | |
template<typename... Args> | |
std::unique_ptr< Iterator > | intersect (Args... args) const |
This allows intersect(create(...), create(...)) syntax. | |
template<typename... Args> | |
std::unique_ptr< Iterator > | unionOf (Args... args) const |
This allows unionOf(create(...), create(...)) syntax. | |
Definition at line 133 of file Iterator.h.
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inlineexplicit |
Definition at line 137 of file Iterator.h.
std::unique_ptr< Iterator > clang::clangd::dex::Corpus::all | ( | ) | const |
Returns TRUE Iterator which iterates over "virtual" PostingList containing all items in range [0, Size) in an efficient manner.
Definition at line 424 of file Iterator.cpp.
Referenced by clang::clangd::dex::Dex::fuzzyFind(), and intersect().
std::unique_ptr< Iterator > clang::clangd::dex::Corpus::boost | ( | std::unique_ptr< Iterator > | Child, |
float | Factor | ||
) | const |
Returns BOOST iterator which multiplies the score of each item by given factor.
Boosting can be used as a computationally inexpensive filtering. Users can return significantly more items using consumeAndBoost() and then trim Top K using retrieval score.
Definition at line 432 of file Iterator.cpp.
References clang::clangd::dex::Iterator::False.
Referenced by clang::clangd::dex::Dex::fuzzyFind().
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inline |
This allows intersect(create(...), create(...)) syntax.
Definition at line 178 of file Iterator.h.
References clang::clangd::Children, intersect(), and clang::clangd::dex::detail::populateChildren().
std::unique_ptr< Iterator > clang::clangd::dex::Corpus::intersect | ( | std::vector< std::unique_ptr< Iterator > > | Children | ) | const |
Returns AND Iterator which performs the intersection of the PostingLists of its children.
consume(): AND Iterator returns the product of Childrens' boosting scores.
Definition at line 365 of file Iterator.cpp.
References all(), clang::clangd::dex::Iterator::And, clang::clangd::Children, clang::clangd::dex::Iterator::False, and clang::clangd::dex::Iterator::True.
Referenced by clang::clangd::dex::Dex::fuzzyFind(), and intersect().
std::unique_ptr< Iterator > clang::clangd::dex::Corpus::limit | ( | std::unique_ptr< Iterator > | Child, |
size_t | Limit | ||
) | const |
Returns LIMIT iterator, which yields up to N elements of its child iterator.
Elements only count towards the limit if they are part of the final result set. Therefore the following iterator (AND (2) (LIMIT (1 2) 1)) yields (2), not ().
Definition at line 441 of file Iterator.cpp.
References clang::clangd::dex::Iterator::False.
Referenced by clang::clangd::dex::Dex::fuzzyFind().
std::unique_ptr< Iterator > clang::clangd::dex::Corpus::none | ( | ) | const |
Returns FALSE Iterator which iterates over no documents.
Definition at line 428 of file Iterator.cpp.
Referenced by unionOf().
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inline |
This allows unionOf(create(...), create(...)) syntax.
Definition at line 186 of file Iterator.h.
References clang::clangd::Children, clang::clangd::dex::detail::populateChildren(), and unionOf().
std::unique_ptr< Iterator > clang::clangd::dex::Corpus::unionOf | ( | std::vector< std::unique_ptr< Iterator > > | Children | ) | const |
Returns OR Iterator which performs the union of the PostingLists of its children.
consume(): OR Iterator returns the highest boost value among children containing the requested item.
Definition at line 395 of file Iterator.cpp.
References clang::clangd::Children, clang::clangd::dex::Iterator::False, none(), clang::clangd::dex::Iterator::Or, and clang::clangd::dex::Iterator::True.
Referenced by clang::clangd::dex::Dex::fuzzyFind(), and unionOf().