InvertedIndex

Struct InvertedIndex 

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pub struct InvertedIndex { /* private fields */ }
Expand description

Inverted index mapping terms to file handles for O(1) search

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impl InvertedIndex

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pub fn new() -> Self

Create a new empty inverted index

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pub fn build_from_content<P: AsRef<Path>>( file_contents: HashMap<u32, String>, output_fst_path: P, output_json_path: P, ) -> Result<Self>

Build inverted index from file contents

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pub fn load_from_files<P: AsRef<Path>>( fst_path: P, json_path: P, ) -> Result<Self>

Load existing inverted index from files

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pub fn find_files_with_term(&self, term: &str) -> HashSet<u32>

Find all file handles containing a term (O(1) lookup!)

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pub fn find_files_with_all_terms(&self, terms: &[&str]) -> HashSet<u32>

Find files containing all terms (AND query)

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pub fn find_files_with_any_terms(&self, terms: &[&str]) -> HashSet<u32>

Find files containing any terms (OR query)

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pub fn contains_term(&self, term: &str) -> bool

Check if a term exists in the index

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pub fn term_frequency(&self, term: &str) -> usize

Get number of files containing a term

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pub fn term_count(&self) -> usize

Get total number of unique terms

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impl Debug for InvertedIndex

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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