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<!DOCTYPE html><html class="default"><head><meta charSet="utf-8"/><meta http-equiv="x-ua-compatible" content="IE=edge"/><title>ReadWriteLocker | Community Solid Server - v4.0.0</title><meta name="description" content="Documentation for Community Solid Server - v4.0.0"/><meta name="viewport" content="width=device-width, initial-scale=1"/><link rel="stylesheet" href="../assets/style.css"/><link rel="stylesheet" href="../assets/highlight.css"/><script async src="../assets/search.js" id="search-script"></script></head><body><script>document.body.classList.add(localStorage.getItem("tsd-theme") || "os")</script><header><div class="tsd-page-toolbar"><div class="container"><div class="table-wrap"><div class="table-cell" id="tsd-search" data-base=".."><div class="field"><label for="tsd-search-field" class="tsd-widget search no-caption">Search</label><input type="text" id="tsd-search-field"/></div><ul class="results"><li class="state loading">Preparing search index...</li><li class="state failure">The search index is not available</li></ul><a href="../index.html" class="title">Community Solid Server - v4.0.0</a></div><div class="table-cell" id="tsd-widgets"><div id="tsd-filter"><a href="#" class="tsd-widget options no-caption" data-toggle="options">Options</a><div class="tsd-filter-group"><div class="tsd-select" id="tsd-filter-visibility"><span class="tsd-select-label">All</span><ul class="tsd-select-list"><li data-value="public">Public</li><li data-value="protected">Public/Protected</li><li data-value="private" class="selected">All</li></ul></div> <input type="checkbox" id="tsd-filter-inherited" checked/><label class="tsd-widget" for="tsd-filter-inherited">Inherited</label><input type="checkbox" id="tsd-filter-externals" checked/><label class="tsd-widget" for="tsd-filter-externals">Externals</label></div></div><a href="#" class="tsd-widget menu no-caption" data-toggle="menu">Menu</a></div></div></div></div><div class="tsd-page-title"><div class="container"><ul class="tsd-breadcrumb"><li><a href="../modules.html">Community Solid Server - v4.0.0</a></li><li><a href="ReadWriteLocker.html">ReadWriteLocker</a></li></ul><h1>Interface ReadWriteLocker</h1></div></div></header><div class="container container-main"><div class="row"><div class="col-8 col-content"><section class="tsd-panel tsd-comment"><div class="tsd-comment tsd-typography"><div class="lead">
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<p>Allows the locking of resources which is needed for non-atomic <a href="ResourceStore.html">ResourceStore</a>s.</p>
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</div></div></section><section class="tsd-panel tsd-hierarchy"><h3>Hierarchy</h3><ul class="tsd-hierarchy"><li><span class="target">ReadWriteLocker</span><ul class="tsd-hierarchy"><li><a href="ExpiringReadWriteLocker.html" class="tsd-signature-type" data-tsd-kind="Interface">ExpiringReadWriteLocker</a></li></ul></li></ul></section><section class="tsd-panel"><h3>Implemented by</h3><ul class="tsd-hierarchy"><li><a href="../classes/EqualReadWriteLocker.html" class="tsd-signature-type" data-tsd-kind="Class">EqualReadWriteLocker</a></li><li><a href="../classes/GreedyReadWriteLocker.html" class="tsd-signature-type" data-tsd-kind="Class">GreedyReadWriteLocker</a></li><li><a href="../classes/RedisLocker.html" class="tsd-signature-type" data-tsd-kind="Class">RedisLocker</a></li></ul></section><section class="tsd-panel-group tsd-index-group"><h2>Index</h2><section class="tsd-panel tsd-index-panel"><div class="tsd-index-content"><section class="tsd-index-section "><h3>Methods</h3><ul class="tsd-index-list"><li class="tsd-kind-method tsd-parent-kind-interface tsd-has-type-parameter"><a href="ReadWriteLocker.html#withReadLock" class="tsd-kind-icon">with<wbr/>Read<wbr/>Lock</a></li><li class="tsd-kind-method tsd-parent-kind-interface tsd-has-type-parameter"><a href="ReadWriteLocker.html#withWriteLock" class="tsd-kind-icon">with<wbr/>Write<wbr/>Lock</a></li></ul></section></div></section></section><section class="tsd-panel-group tsd-member-group "><h2>Methods</h2><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-interface tsd-has-type-parameter"><a id="withReadLock" class="tsd-anchor"></a><h3 class="tsd-anchor-link">with<wbr/>Read<wbr/>Lock<a href="#withReadLock" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-interface tsd-has-type-parameter"><li class="tsd-signature tsd-kind-icon">with<wbr/>Read<wbr/>Lock<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span>identifier<span class="tsd-signature-symbol">: </span><a href="ResourceIdentifier.html" class="tsd-signature-type" data-tsd-kind="Interface">ResourceIdentifier</a>, whileLocked<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol">></span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/CommunitySolidServer/CommunitySolidServer/blob/1c376cb/src/util/locking/ReadWriteLocker.ts#L17">src/util/locking/ReadWriteLocker.ts:17</a></li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
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<p>Run the given function while the resource is locked.
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The lock will be released when the (async) input function resolves.
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This function should be used for operations that only require reading the resource.</p>
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</div></div><h4 class="tsd-type-parameters-title">Type parameters</h4><ul class="tsd-type-parameters"><li><h4>T</h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>identifier: <a href="ResourceIdentifier.html" class="tsd-signature-type" data-tsd-kind="Interface">ResourceIdentifier</a></h5><div class="tsd-comment tsd-typography"><div class="lead">
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<p>Identifier of the resource that needs to be locked.</p>
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</div></div></li><li><h5>whileLocked: <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol">></span></h5><div class="tsd-comment tsd-typography"><div class="lead">
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<p>A function to execute while the resource is locked.</p>
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</div></div><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures tsd-kind-type-literal"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol">></span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol">></span></h4></li></ul></li></ul></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol">></span></h4><div><p>A promise resolving when the lock is released.</p>
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</div></li></ul></section><section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-interface tsd-has-type-parameter"><a id="withWriteLock" class="tsd-anchor"></a><h3 class="tsd-anchor-link">with<wbr/>Write<wbr/>Lock<a href="#withWriteLock" aria-label="Permalink" class="tsd-anchor-icon"><svg xmlns="http://www.w3.org/2000/svg" class="icon icon-tabler icon-tabler-link" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></svg></a></h3><ul class="tsd-signatures tsd-kind-method tsd-parent-kind-interface tsd-has-type-parameter"><li class="tsd-signature tsd-kind-icon">with<wbr/>Write<wbr/>Lock<span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">(</span>identifier<span class="tsd-signature-symbol">: </span><a href="ResourceIdentifier.html" class="tsd-signature-type" data-tsd-kind="Interface">ResourceIdentifier</a>, whileLocked<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol">></span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/CommunitySolidServer/CommunitySolidServer/blob/1c376cb/src/util/locking/ReadWriteLocker.ts#L29">src/util/locking/ReadWriteLocker.ts:29</a></li></ul></aside><div class="tsd-comment tsd-typography"><div class="lead">
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<p>Run the given function while the resource is locked.
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The lock will be released when the (async) input function resolves.
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This function should be used for operations that could modify the resource.</p>
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</div></div><h4 class="tsd-type-parameters-title">Type parameters</h4><ul class="tsd-type-parameters"><li><h4>T</h4></li></ul><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameters"><li><h5>identifier: <a href="ResourceIdentifier.html" class="tsd-signature-type" data-tsd-kind="Interface">ResourceIdentifier</a></h5><div class="tsd-comment tsd-typography"><div class="lead">
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<p>Identifier of the resource that needs to be locked.</p>
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</div></div></li><li><h5>whileLocked: <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> => </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol">></span></h5><div class="tsd-comment tsd-typography"><div class="lead">
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<p>A function to execute while the resource is locked.</p>
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</div></div><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures tsd-kind-type-literal"><li class="tsd-signature tsd-kind-icon"><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol">></span></li></ul><ul class="tsd-descriptions"><li class="tsd-description"><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol">></span></h4></li></ul></li></ul></li></ul><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type" data-tsd-kind="Type parameter">T</span><span class="tsd-signature-symbol">></span></h4><div><p>A promise resolving when the lock is released.</p>
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</div></li></ul></section></section></div><div class="col-4 col-menu menu-sticky-wrap menu-highlight"><nav class="tsd-navigation primary"><ul><li class=""><a href="../modules.html">Exports</a></li></ul></nav><nav class="tsd-navigation secondary menu-sticky"><ul><li class="current tsd-kind-interface"><a href="ReadWriteLocker.html" class="tsd-kind-icon">Read<wbr/>Write<wbr/>Locker</a><ul><li class="tsd-kind-method tsd-parent-kind-interface tsd-has-type-parameter"><a href="ReadWriteLocker.html#withReadLock" class="tsd-kind-icon">with<wbr/>Read<wbr/>Lock</a></li><li class="tsd-kind-method tsd-parent-kind-interface tsd-has-type-parameter"><a href="ReadWriteLocker.html#withWriteLock" class="tsd-kind-icon">with<wbr/>Write<wbr/>Lock</a></li></ul></li></ul></nav></div></div></div><footer class=""><div class="container"><h2>Legend</h2><div class="tsd-legend-group"><ul class="tsd-legend"><li class="tsd-kind-constructor tsd-parent-kind-class"><span class="tsd-kind-icon">Constructor</span></li><li class="tsd-kind-property tsd-parent-kind-class"><span class="tsd-kind-icon">Property</span></li><li class="tsd-kind-method tsd-parent-kind-class"><span class="tsd-kind-icon">Method</span></li><li class="tsd-kind-accessor tsd-parent-kind-class"><span class="tsd-kind-icon">Accessor</span></li></ul><ul class="tsd-legend"><li class="tsd-kind-constructor tsd-parent-kind-interface"><span class="tsd-kind-icon">Constructor</span></li><li class="tsd-kind-property tsd-parent-kind-interface"><span class="tsd-kind-icon">Property</span></li><li class="tsd-kind-method tsd-parent-kind-interface"><span class="tsd-kind-icon">Method</span></li></ul><ul class="tsd-legend"><li class="tsd-kind-constructor tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited constructor</span></li><li class="tsd-kind-property tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited property</span></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-inherited"><span class="tsd-kind-icon">Inherited method</span></li></ul><ul class="tsd-legend"><li class="tsd-kind-property tsd-parent-kind-class tsd-is-protected"><span class="tsd-kind-icon">Protected property</span></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-protected"><span class="tsd-kind-icon">Protected method</span></li></ul><ul class="tsd-legend"><li class="tsd-kind-property tsd-parent-kind-class tsd-is-private"><span class="tsd-kind-icon">Private property</span></li><li class="tsd-kind-method tsd-parent-kind-class tsd-is-private"><span class="tsd-kind-icon">Private method</span></li></ul><ul class="tsd-legend"><li class="tsd-kind-method tsd-parent-kind-class tsd-is-static"><span class="tsd-kind-icon">Static method</span></li></ul></div><h2>Settings</h2><p>Theme <select id="theme"><option value="os">OS</option><option value="light">Light</option><option value="dark">Dark</option></select></p></div></footer><div class="overlay"></div><script src="../assets/main.js"></script></body></html> |