| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/git/checkouts/tantivy-65d0bbbddbbd5d02/433372d/src/core/single_segment_index_writer.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>single_segment_index_writer.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../../tantivy/index.html"><div class="logo-container"> |
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| <span id="2">2</span> |
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| </pre><pre class="rust"><code><span class="kw">use </span><span class="kw">crate</span>::indexer::operation::AddOperation; |
| <span class="kw">use </span><span class="kw">crate</span>::indexer::segment_updater::save_metas; |
| <span class="kw">use </span><span class="kw">crate</span>::indexer::SegmentWriter; |
| <span class="kw">use crate</span>::{Directory, Document, Index, IndexMeta, Opstamp, Segment}; |
| |
| <span class="attribute">#[doc(hidden)] |
| </span><span class="kw">pub struct </span>SingleSegmentIndexWriter { |
| segment_writer: SegmentWriter, |
| segment: Segment, |
| opstamp: Opstamp, |
| } |
| |
| <span class="kw">impl </span>SingleSegmentIndexWriter { |
| <span class="kw">pub fn </span>new(index: Index, mem_budget: usize) -> <span class="kw">crate</span>::Result<<span class="self">Self</span>> { |
| <span class="kw">let </span>segment = index.new_segment(); |
| <span class="kw">let </span>segment_writer = SegmentWriter::for_segment(mem_budget, segment.clone())<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(<span class="self">Self </span>{ |
| segment_writer, |
| segment, |
| opstamp: <span class="number">0</span>, |
| }) |
| } |
| |
| <span class="kw">pub fn </span>mem_usage(<span class="kw-2">&</span><span class="self">self</span>) -> usize { |
| <span class="self">self</span>.segment_writer.mem_usage() |
| } |
| |
| <span class="kw">pub fn </span>add_document(<span class="kw-2">&mut </span><span class="self">self</span>, document: Document) -> <span class="kw">crate</span>::Result<()> { |
| <span class="kw">let </span>opstamp = <span class="self">self</span>.opstamp; |
| <span class="self">self</span>.opstamp += <span class="number">1</span>; |
| <span class="self">self</span>.segment_writer |
| .add_document(AddOperation { opstamp, document }) |
| } |
| |
| <span class="kw">pub fn </span>finalize(<span class="self">self</span>) -> <span class="kw">crate</span>::Result<Index> { |
| <span class="kw">let </span>max_doc = <span class="self">self</span>.segment_writer.max_doc(); |
| <span class="self">self</span>.segment_writer.finalize()<span class="question-mark">?</span>; |
| <span class="kw">let </span>segment: Segment = <span class="self">self</span>.segment.with_max_doc(max_doc); |
| <span class="kw">let </span>index = segment.index(); |
| <span class="kw">let </span>index_meta = IndexMeta { |
| index_settings: index.settings().clone(), |
| segments: <span class="macro">vec!</span>[segment.meta().clone()], |
| schema: index.schema(), |
| opstamp: <span class="number">0</span>, |
| payload: <span class="prelude-val">None</span>, |
| }; |
| save_metas(<span class="kw-2">&</span>index_meta, index.directory())<span class="question-mark">?</span>; |
| index.directory().sync_directory()<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(segment.index().clone()) |
| } |
| } |
| </code></pre></div> |
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