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<!DOCTYPE html><html class="default" lang="en"><head><meta charset="utf-8"/><meta http-equiv="x-ua-compatible" content="IE=edge"/><title>ResourceLocker | Community Solid Server - v7.1.0</title><meta name="description" content="Documentation for Community Solid Server"/><meta name="viewport" content="width=device-width, initial-scale=1"/><link rel="stylesheet" href="../assets/style.css"/><link rel="stylesheet" href="../assets/highlight.css"/><link rel="stylesheet" href="../assets/custom.css"/><script defer src="../assets/main.js"></script><script async src="../assets/icons.js" id="tsd-icons-script"></script><script async src="../assets/search.js" id="tsd-search-script"></script><script async src="../assets/navigation.js" id="tsd-nav-script"></script></head><body><script>document.documentElement.dataset.theme = localStorage.getItem("tsd-theme") || "os";document.body.style.display="none";setTimeout(() => app?app.showPage():document.body.style.removeProperty("display"),500)</script><header class="tsd-page-toolbar"><div class="tsd-toolbar-contents container"><div class="table-cell" id="tsd-search" data-base=".."><div class="field"><label for="tsd-search-field" class="tsd-widget tsd-toolbar-icon search no-caption"><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><use href="../assets/icons.svg#icon-search"></use></svg></label><input type="text" id="tsd-search-field" aria-label="Search"/></div><div class="field"><div id="tsd-toolbar-links"></div></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 - v7.1.0</a></div><div class="table-cell" id="tsd-widgets"><a href="#" class="tsd-widget tsd-toolbar-icon menu no-caption" data-toggle="menu" aria-label="Menu"><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><use href="../assets/icons.svg#icon-menu"></use></svg></a></div></div></header><div class="container container-main"><div class="col-content"><div class="tsd-page-title"><ul class="tsd-breadcrumb"><li><a href="../modules.html">Community Solid Server</a></li><li><a href="ResourceLocker.html">ResourceLocker</a></li></ul><h1>Interface ResourceLocker</h1></div><section class="tsd-panel tsd-comment"><div class="tsd-comment tsd-typography"><p>An interface for classes that only have 1 way to lock interfaces.
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In general this should only be used by components implementing the <a href="ReadWriteLocker.html" class="tsd-kind-interface">ReadWriteLocker</a> interface.
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Other components that require locking of resources should use that interface.</p>
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</div><div class="tsd-comment tsd-typography"></div></section><div class="tsd-signature"><span class="tsd-signature-keyword">interface </span><span class="tsd-kind-interface">ResourceLocker</span> <span class="tsd-signature-symbol">{ </span><br/><span> </span><a class="tsd-kind-property" href="ResourceLocker.html#acquire">acquire</a><span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">identifier</span><span class="tsd-signature-symbol">: </span><a href="ResourceIdentifier.html" class="tsd-signature-type tsd-kind-interface">ResourceIdentifier</a><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">void</span><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">; </span><br/><span> </span><a class="tsd-kind-property" href="ResourceLocker.html#release">release</a><span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">identifier</span><span class="tsd-signature-symbol">: </span><a href="ResourceIdentifier.html" class="tsd-signature-type tsd-kind-interface">ResourceIdentifier</a><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">void</span><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">; </span><br/><span class="tsd-signature-symbol">}</span></div><section class="tsd-panel"><h4>Implemented by</h4><ul class="tsd-hierarchy"><li><a href="../classes/FileSystemResourceLocker.html" class="tsd-signature-type tsd-kind-class">FileSystemResourceLocker</a></li><li><a href="../classes/MemoryResourceLocker.html" class="tsd-signature-type tsd-kind-class">MemoryResourceLocker</a></li><li><a href="../classes/RedisLocker.html" class="tsd-signature-type tsd-kind-class">RedisLocker</a></li></ul></section><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/CommunitySolidServer/CommunitySolidServer/blob/576eefede63937f08b831b1e49cafe4a96a716f7/src/util/locking/ResourceLocker.ts#L8">src/util/locking/ResourceLocker.ts:8</a></li></ul></aside><section class="tsd-panel-group tsd-index-group"><section class="tsd-panel tsd-index-panel"><details class="tsd-index-content tsd-accordion" open><summary class="tsd-accordion-summary tsd-index-summary"><h5 class="tsd-index-heading uppercase" role="button" aria-expanded="false" tabIndex="0"><svg width="16" height="16" viewBox="0 0 16 16" fill="none"><use href="../assets/icons.svg#icon-chevronSmall"></use></svg> Index</h5></summary><div class="tsd-accordion-details"><section class="tsd-index-section"><h3 class="tsd-index-heading">Properties</h3><div class="tsd-index-list"><a href="ResourceLocker.html#acquire" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-1024"></use></svg><span>acquire</span></a>
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<a href="ResourceLocker.html#release" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-1024"></use></svg><span>release</span></a>
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</div></section></div></details></section></section><details class="tsd-panel-group tsd-member-group tsd-accordion" open><summary class="tsd-accordion-summary" data-key="section-Properties"><h2><svg width="20" height="20" viewBox="0 0 24 24" fill="none"><use href="../assets/icons.svg#icon-chevronDown"></use></svg> Properties</h2></summary><section><section class="tsd-panel tsd-member"><a id="acquire" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>acquire</span><a href="#acquire" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">acquire</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">identifier</span><span class="tsd-signature-symbol">: </span><a href="ResourceIdentifier.html" class="tsd-signature-type tsd-kind-interface">ResourceIdentifier</a><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">void</span><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">)</span></div><div class="tsd-comment tsd-typography"><p>Acquires a lock on the requested identifier.
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The promise will resolve when the lock has been acquired.</p>
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</div><div class="tsd-type-declaration"><h4>Type declaration</h4><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures"><li class="tsd-signature" id="acquire.__type.__type-1"><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">identifier</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">void</span><span class="tsd-signature-symbol">></span></li><li class="tsd-description"><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">identifier</span>: <a href="ResourceIdentifier.html" class="tsd-signature-type tsd-kind-interface">ResourceIdentifier</a></span><div class="tsd-comment tsd-typography"><p>Resource to acquire a lock on.</p>
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</div><div class="tsd-comment tsd-typography"></div></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">></span></h4></li></ul></li></ul></div><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/CommunitySolidServer/CommunitySolidServer/blob/576eefede63937f08b831b1e49cafe4a96a716f7/src/util/locking/ResourceLocker.ts#L15">src/util/locking/ResourceLocker.ts:15</a></li></ul></aside></section><section class="tsd-panel tsd-member"><a id="release" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><span>release</span><a href="#release" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">release</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">identifier</span><span class="tsd-signature-symbol">: </span><a href="ResourceIdentifier.html" class="tsd-signature-type tsd-kind-interface">ResourceIdentifier</a><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">void</span><span class="tsd-signature-symbol">></span><span class="tsd-signature-symbol">)</span></div><div class="tsd-comment tsd-typography"><p>Releases a lock on the requested identifier.
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The promise will resolve when the lock has been released.
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If there is no lock on the resource, an error should be thrown.</p>
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</div><div class="tsd-type-declaration"><h4>Type declaration</h4><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures"><li class="tsd-signature" id="release.__type-2.__type-3"><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">identifier</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">void</span><span class="tsd-signature-symbol">></span></li><li class="tsd-description"><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">identifier</span>: <a href="ResourceIdentifier.html" class="tsd-signature-type tsd-kind-interface">ResourceIdentifier</a></span><div class="tsd-comment tsd-typography"><p>Resource to release the lock on.</p>
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</div><div class="tsd-comment tsd-typography"></div></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">Promise</span><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">></span></h4></li></ul></li></ul></div><div class="tsd-comment tsd-typography"></div><aside class="tsd-sources"><ul><li>Defined in <a href="https://github.com/CommunitySolidServer/CommunitySolidServer/blob/576eefede63937f08b831b1e49cafe4a96a716f7/src/util/locking/ResourceLocker.ts#L24">src/util/locking/ResourceLocker.ts:24</a></li></ul></aside></section></section></details></div><div class="col-sidebar"><div class="page-menu"><div class="tsd-navigation settings"><details class="tsd-accordion"><summary class="tsd-accordion-summary"><h3><svg width="20" height="20" viewBox="0 0 24 24" fill="none"><use href="../assets/icons.svg#icon-chevronDown"></use></svg>Settings</h3></summary><div class="tsd-accordion-details"><div class="tsd-filter-visibility"><span class="settings-label">Member Visibility</span><ul id="tsd-filter-options"><li class="tsd-filter-item"><label class="tsd-filter-input"><input type="checkbox" id="tsd-filter-protected" name="protected"/><svg width="32" height="32" viewBox="0 0 32 32" aria-hidden="true"><rect class="tsd-checkbox-background" width="30" height="30" x="1" y="1" rx="6" fill="none"></rect><path class="tsd-checkbox-checkmark" d="M8.35422 16.8214L13.2143 21.75L24.6458 10.25" stroke="none" stroke-width="3.5" stroke-linejoin="round" fill="none"></path></svg><span>Protected</span></label></li><li class="tsd-filter-item"><label class="tsd-filter-input"><input type="checkbox" id="tsd-filter-inherited" name="inherited" checked/><svg width="32" height="32" viewBox="0 0 32 32" aria-hidden="true"><rect class="tsd-checkbox-background" width="30" height="30" x="1" y="1" rx="6" fill="none"></rect><path class="tsd-checkbox-checkmark" d="M8.35422 16.8214L13.2143 21.75L24.6458 10.25" stroke="none" stroke-width="3.5" stroke-linejoin="round" fill="none"></path></svg><span>Inherited</span></label></li><li class="tsd-filter-item"><label class="tsd-filter-input"><input type="checkbox" id="tsd-filter-external" name="external"/><svg width="32" height="32" viewBox="0 0 32 32" aria-hidden="true"><rect class="tsd-checkbox-background" width="30" height="30" x="1" y="1" rx="6" fill="none"></rect><path class="tsd-checkbox-checkmark" d="M8.35422 16.8214L13.2143 21.75L24.6458 10.25" stroke="none" stroke-width="3.5" stroke-linejoin="round" fill="none"></path></svg><span>External</span></label></li></ul></div><div class="tsd-theme-toggle"><label class="settings-label" for="tsd-theme">Theme</label><select id="tsd-theme"><option value="os">OS</option><option value="light">Light</option><option value="dark">Dark</option></select></div></div></details></div><details open class="tsd-accordion tsd-page-navigation"><summary class="tsd-accordion-summary"><h3><svg width="20" height="20" viewBox="0 0 24 24" fill="none"><use href="../assets/icons.svg#icon-chevronDown"></use></svg>On This Page</h3></summary><div class="tsd-accordion-details"><details open class="tsd-accordion tsd-page-navigation-section"><summary class="tsd-accordion-summary" data-key="tsd-otp-Properties"><svg width="20" height="20" viewBox="0 0 24 24" fill="none"><use href="../assets/icons.svg#icon-chevronDown"></use></svg>Properties</summary><div><a href="#acquire" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-1024"></use></svg><span>acquire</span></a><a href="#release" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-1024"></use></svg><span>release</span></a></div></details></div></details></div><div class="site-menu"><nav class="tsd-navigation"><a href="../modules.html"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-1"></use></svg><span>Community Solid Server - v7.1.0</span></a><ul class="tsd-small-nested-navigation" id="tsd-nav-container" data-base=".."><li>Loading...</li></ul></nav></div></div></div><footer></footer><div class="overlay"></div></body></html>
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