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<!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="API documentation for the Rust `InstructionHandler` trait in crate `datanode`."><title>InstructionHandler in datanode::heartbeat::handler - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-e56847b5.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="datanode" data-themes="" data-resource-suffix="" data-rustdoc-version="1.92.0-nightly (fa3155a64 2025-09-30)" data-channel="nightly" data-search-js="search-e256b49e.js" data-stringdex-js="stringdex-828709d0.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../static.files/main-ce535bd0.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">InstructionHandler</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../datanode/index.html">datanode</a><span class="version">1.0.0-beta.4</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Instruction<wbr>Handler</a></h2><h3><a href="#required-associated-types">Required Associated Types</a></h3><ul class="block"><li><a href="#associatedtype.Instruction" title="Instruction">Instruction</a></li></ul><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.handle" title="handle">handle</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In datanode::<wbr>heartbeat::<wbr>handler</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../index.html">datanode</a>::<wbr><a href="../index.html">heartbeat</a>::<wbr><a href="index.html">handler</a></div><h1>Trait <span class="trait">Instruction<wbr>Handler</span> <button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../../src/datanode/heartbeat/handler.rs.html#56-63">Source</a> </span></div><pre class="rust item-decl"><code>pub trait InstructionHandler: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> {
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type <a href="#associatedtype.Instruction" class="associatedtype">Instruction</a>;
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// Required method
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fn <a href="#tymethod.handle" class="fn">handle</a><'life0, 'life1, 'async_trait>(
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&'life0 self,
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ctx: &'life1 <a class="struct" href="struct.HandlerContext.html" title="struct datanode::heartbeat::handler::HandlerContext">HandlerContext</a>,
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instruction: Self::<a class="associatedtype" href="trait.InstructionHandler.html#associatedtype.Instruction" title="type datanode::heartbeat::handler::InstructionHandler::Instruction">Instruction</a>,
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) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a><dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a><Output = <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><InstructionReply>> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'async_trait>>
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<span class="where">where Self: 'async_trait,
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'life0: 'async_trait,
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'life1: 'async_trait</span>;
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}</code></pre><h2 id="required-associated-types" class="section-header">Required Associated Types<a href="#required-associated-types" class="anchor">§</a></h2><div class="methods"><section id="associatedtype.Instruction" class="method"><a class="src rightside" href="../../../src/datanode/heartbeat/handler.rs.html#57">Source</a><h4 class="code-header">type <a href="#associatedtype.Instruction" class="associatedtype">Instruction</a></h4></section></div><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><section id="tymethod.handle" class="method"><a class="src rightside" href="../../../src/datanode/heartbeat/handler.rs.html#58-62">Source</a><h4 class="code-header">fn <a href="#tymethod.handle" class="fn">handle</a><'life0, 'life1, 'async_trait>(
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&'life0 self,
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ctx: &'life1 <a class="struct" href="struct.HandlerContext.html" title="struct datanode::heartbeat::handler::HandlerContext">HandlerContext</a>,
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instruction: Self::<a class="associatedtype" href="trait.InstructionHandler.html#associatedtype.Instruction" title="type datanode::heartbeat::handler::InstructionHandler::Instruction">Instruction</a>,
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) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a><dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a><Output = <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><InstructionReply>> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'async_trait>><div class="where">where
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Self: 'async_trait,
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'life0: 'async_trait,
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'life1: 'async_trait,</div></h4></section></div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><details class="toggle implementors-toggle"><summary><section id="impl-InstructionHandler-for-CloseRegionsHandler" class="impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/close_region.rs.html#29-75">Source</a><a href="#impl-InstructionHandler-for-CloseRegionsHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.InstructionHandler.html" title="trait datanode::heartbeat::handler::InstructionHandler">InstructionHandler</a> for <a class="struct" href="close_region/struct.CloseRegionsHandler.html" title="struct datanode::heartbeat::handler::close_region::CloseRegionsHandler">CloseRegionsHandler</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Instruction-1" class="associatedtype trait-impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/close_region.rs.html#30">Source</a><a href="#associatedtype.Instruction-1" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Instruction" class="associatedtype">Instruction</a> = <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><RegionIdent></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-InstructionHandler-for-DowngradeRegionsHandler" class="impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/downgrade_region.rs.html#158-176">Source</a><a href="#impl-InstructionHandler-for-DowngradeRegionsHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.InstructionHandler.html" title="trait datanode::heartbeat::handler::InstructionHandler">InstructionHandler</a> for <a class="struct" href="downgrade_region/struct.DowngradeRegionsHandler.html" title="struct datanode::heartbeat::handler::downgrade_region::DowngradeRegionsHandler">DowngradeRegionsHandler</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Instruction-2" class="associatedtype trait-impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/downgrade_region.rs.html#159">Source</a><a href="#associatedtype.Instruction-2" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Instruction" class="associatedtype">Instruction</a> = <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><DowngradeRegion></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-InstructionHandler-for-EnterStagingRegionsHandler" class="impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/enter_staging.rs.html#28-44">Source</a><a href="#impl-InstructionHandler-for-EnterStagingRegionsHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.InstructionHandler.html" title="trait datanode::heartbeat::handler::InstructionHandler">InstructionHandler</a> for <a class="struct" href="enter_staging/struct.EnterStagingRegionsHandler.html" title="struct datanode::heartbeat::handler::enter_staging::EnterStagingRegionsHandler">EnterStagingRegionsHandler</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Instruction-3" class="associatedtype trait-impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/enter_staging.rs.html#29">Source</a><a href="#associatedtype.Instruction-3" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Instruction" class="associatedtype">Instruction</a> = <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><EnterStagingRegion></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-InstructionHandler-for-GetFileRefsHandler" class="impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/file_ref.rs.html#24-61">Source</a><a href="#impl-InstructionHandler-for-GetFileRefsHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.InstructionHandler.html" title="trait datanode::heartbeat::handler::InstructionHandler">InstructionHandler</a> for <a class="struct" href="file_ref/struct.GetFileRefsHandler.html" title="struct datanode::heartbeat::handler::file_ref::GetFileRefsHandler">GetFileRefsHandler</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Instruction-4" class="associatedtype trait-impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/file_ref.rs.html#25">Source</a><a href="#associatedtype.Instruction-4" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Instruction" class="associatedtype">Instruction</a> = GetFileRefs</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-InstructionHandler-for-FlushRegionsHandler" class="impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/flush_region.rs.html#30-61">Source</a><a href="#impl-InstructionHandler-for-FlushRegionsHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.InstructionHandler.html" title="trait datanode::heartbeat::handler::InstructionHandler">InstructionHandler</a> for <a class="struct" href="flush_region/struct.FlushRegionsHandler.html" title="struct datanode::heartbeat::handler::flush_region::FlushRegionsHandler">FlushRegionsHandler</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Instruction-5" class="associatedtype trait-impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/flush_region.rs.html#31">Source</a><a href="#associatedtype.Instruction-5" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Instruction" class="associatedtype">Instruction</a> = FlushRegions</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-InstructionHandler-for-GcRegionsHandler" class="impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/gc_worker.rs.html#27-89">Source</a><a href="#impl-InstructionHandler-for-GcRegionsHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.InstructionHandler.html" title="trait datanode::heartbeat::handler::InstructionHandler">InstructionHandler</a> for <a class="struct" href="gc_worker/struct.GcRegionsHandler.html" title="struct datanode::heartbeat::handler::gc_worker::GcRegionsHandler">GcRegionsHandler</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Instruction-6" class="associatedtype trait-impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/gc_worker.rs.html#28">Source</a><a href="#associatedtype.Instruction-6" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Instruction" class="associatedtype">Instruction</a> = GcRegions</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-InstructionHandler-for-OpenRegionsHandler" class="impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/open_region.rs.html#28-71">Source</a><a href="#impl-InstructionHandler-for-OpenRegionsHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.InstructionHandler.html" title="trait datanode::heartbeat::handler::InstructionHandler">InstructionHandler</a> for <a class="struct" href="open_region/struct.OpenRegionsHandler.html" title="struct datanode::heartbeat::handler::open_region::OpenRegionsHandler">OpenRegionsHandler</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Instruction-7" class="associatedtype trait-impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/open_region.rs.html#29">Source</a><a href="#associatedtype.Instruction-7" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Instruction" class="associatedtype">Instruction</a> = <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><OpenRegion></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-InstructionHandler-for-UpgradeRegionsHandler" class="impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/upgrade_region.rs.html#205-219">Source</a><a href="#impl-InstructionHandler-for-UpgradeRegionsHandler" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.InstructionHandler.html" title="trait datanode::heartbeat::handler::InstructionHandler">InstructionHandler</a> for <a class="struct" href="upgrade_region/struct.UpgradeRegionsHandler.html" title="struct datanode::heartbeat::handler::upgrade_region::UpgradeRegionsHandler">UpgradeRegionsHandler</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Instruction-8" class="associatedtype trait-impl"><a class="src rightside" href="../../../src/datanode/heartbeat/handler/upgrade_region.rs.html#206">Source</a><a href="#associatedtype.Instruction-8" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Instruction" class="associatedtype">Instruction</a> = <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><UpgradeRegion></h4></section></div></details></div><script src="../../../trait.impl/datanode/heartbeat/handler/trait.InstructionHandler.js" async></script></section></div></main></body></html> |