<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1" charset="UTF-8"> <title>expectOne</title> <link href="../../images/logo-icon.svg" rel="icon" type="image/svg"> <script>var pathToRoot = "../../";</script> <script>const storage = localStorage.getItem("dokka-dark-mode") if (storage == null) { const osDarkSchemePreferred = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches if (osDarkSchemePreferred === true) { document.getElementsByTagName("html")[0].classList.add("theme-dark") } } else { const savedDarkMode = JSON.parse(storage) if(savedDarkMode === true) { document.getElementsByTagName("html")[0].classList.add("theme-dark") } } </script> <script type="text/javascript" src="../../scripts/sourceset_dependencies.js" async="async"></script> <link href="../../styles/style.css" rel="Stylesheet"> <link href="../../styles/jetbrains-mono.css" rel="Stylesheet"> <link href="../../styles/main.css" rel="Stylesheet"> <link 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pageIds="docs::dev.inmo.tgbotapi.extensions.behaviour_builder.expectations//expectOne/dev.inmo.tgbotapi.updateshandlers.FlowsUpdatesFilter#dev.inmo.tgbotapi.bot.RequestsExecutor#dev.inmo.tgbotapi.requests.abstracts.Request[*]?#kotlin.coroutines.SuspendFunction1[dev.inmo.tgbotapi.types.update.abstracts.Update,dev.inmo.tgbotapi.requests.abstracts.Request[*]?]#kotlin.coroutines.SuspendFunction1[dev.inmo.tgbotapi.types.update.abstracts.Update,dev.inmo.tgbotapi.requests.abstracts.Request[*]?]#kotlin.coroutines.SuspendFunction1[dev.inmo.tgbotapi.types.update.abstracts.Update,kotlin.Boolean]#kotlin.coroutines.SuspendFunction1[dev.inmo.tgbotapi.types.update.abstracts.Update,TypeParam(bounds=[kotlin.Any?])?]/PointingToDeclaration//-1982836883"> <div class="breadcrumbs"><a href="../../index.html">docs</a><span class="delimiter">/</span><a href="index.html">dev.inmo.tgbotapi.extensions.behaviour_builder.expectations</a><span class="delimiter">/</span><span class="current">expectOne</span></div> <div class="cover "> <h1 class="cover"><span>expect</span><wbr></wbr><span><span>One</span></span></h1> </div> <div class="platform-hinted " data-platform-hinted="data-platform-hinted"><div class="content sourceset-dependent-content" data-active="" data-togglable=":docs:dokkaHtml/commonMain"><div class="symbol monospace"><span class="token keyword">suspend </span><span class="token keyword">fun </span><span class="token operator"><</span><span class="token keyword"></span><a href="expect-one.html">T</a><span class="token operator">> </span><a href="../dev.inmo.tgbotapi.updateshandlers/-flows-updates-filter/index.html">FlowsUpdatesFilter</a><span class="token punctuation">.</span><a href="expect-one.html"><span class="token function">expectOne</span></a><span class="token punctuation">(</span><span class="parameters "><span class="parameter ">bot<span class="token operator">: </span><a href="../dev.inmo.tgbotapi.bot/index.html#-1167693203%2FClasslikes%2F-1982836883">TelegramBot</a><span class="token punctuation">, </span></span><span class="parameter ">initRequest<span class="token operator">: </span><a href="../dev.inmo.tgbotapi.requests.abstracts/-request/index.html">Request</a><span class="token operator"><</span><span class="token operator">*</span><span class="token operator">></span><span class="token operator">?</span><span class="token operator"> = </span>null<span class="token punctuation">, </span></span><span class="parameter ">errorFactory<span class="token operator">: </span><a href="index.html#278660993%2FClasslikes%2F-1982836883">NullableRequestBuilder</a><span class="token operator"><</span><span class="token operator">*</span><span class="token operator">></span><span class="token operator"> = </span>{ null }<span class="token punctuation">, </span></span><span class="parameter ">cancelRequestFactory<span class="token operator">: </span><a href="index.html#278660993%2FClasslikes%2F-1982836883">NullableRequestBuilder</a><span class="token operator"><</span><span class="token operator">*</span><span class="token operator">></span><span class="token operator"> = </span>{ null }<span class="token punctuation">, </span></span><span class="parameter ">cancelTrigger<span class="token operator">: </span><span class="token keyword">suspend </span><span class="token punctuation">(</span><span class="token keyword"></span><a href="../dev.inmo.tgbotapi.types.update.abstracts/-update/index.html">Update</a><span class="token punctuation">)</span><span class="token operator"> -> </span><span class="token keyword"></span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html">Boolean</a><span class="token operator"> = </span>{ cancelRequestFactory(it) != null }<span class="token punctuation">, </span></span><span class="parameter ">filter<span class="token operator">: </span><span class="token keyword">suspend </span><span class="token punctuation">(</span><span class="token keyword"></span><a href="../dev.inmo.tgbotapi.types.update.abstracts/-update/index.html">Update</a><span class="token punctuation">)</span><span class="token operator"> -> </span><span class="token keyword"></span><a href="expect-one.html">T</a><span class="token operator">?</span></span></span><span class="token punctuation">)</span><span class="token operator">: </span><a href="expect-one.html">T</a></div><h4 class="">Parameters</h4><div data-togglable="Parameters"><div class="table" data-togglable="Parameters"><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex"><div><u><span>init</span><wbr></wbr><span><span>Request</span></span></u></div></span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">If not null, this request will be sent by <a href="expect-one.html">bot</a> before returning value</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex"><div><u><span>error</span><wbr></wbr><span><span>Factory</span></span></u></div></span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">If set, this factory will be used to produce requests in case when user have sent incorrect data</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex"><div><u><span>cancel</span><wbr></wbr><span>Request</span><wbr></wbr><span><span>Factory</span></span></u></div></span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">If set, this factory will be used to produce requests in case when it is required to say user that chain of scenario has been cancelled</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex"><div><u><span>cancel</span><wbr></wbr><span><span>Trigger</span></span></u></div></span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">When this trigger returns true, chain is cancelled</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex"><div><u><span><span>filter</span></span></u></div></span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">It is main param, which will be called on each update. When it return not null, result will be returned as is, but when it returns null, then will be called <a href="expect-one.html">cancelTrigger</a> (if it will return true - <a href="expect-one.html">cancelRequestFactory</a> will be called too), <a href="expect-one.html">errorFactory</a> and then will be returned null</p></div></div></div></div></div></div></div><hr><div class="symbol monospace"><span class="token keyword">suspend </span><span class="token keyword">fun </span><span class="token operator"><</span><span class="token keyword"></span><a href="expect-one.html">T</a><span class="token operator">> </span><a href="../dev.inmo.tgbotapi.extensions.behaviour_builder/-behaviour-context/index.html">BehaviourContext</a><span class="token punctuation">.</span><a href="expect-one.html"><span class="token function">expectOne</span></a><span class="token punctuation">(</span><span class="parameters "><span class="parameter ">initRequest<span class="token operator">: </span><a href="../dev.inmo.tgbotapi.requests.abstracts/-request/index.html">Request</a><span class="token operator"><</span><span class="token operator">*</span><span class="token operator">></span><span class="token operator">?</span><span class="token operator"> = </span>null<span class="token punctuation">, </span></span><span class="parameter ">errorFactory<span class="token operator">: </span><a href="index.html#278660993%2FClasslikes%2F-1982836883">NullableRequestBuilder</a><span class="token operator"><</span><span class="token operator">*</span><span class="token operator">></span><span class="token operator"> = </span>{ null }<span class="token punctuation">, </span></span><span class="parameter ">cancelRequestFactory<span class="token operator">: </span><a href="index.html#278660993%2FClasslikes%2F-1982836883">NullableRequestBuilder</a><span class="token operator"><</span><span class="token operator">*</span><span class="token operator">></span><span class="token operator"> = </span>{ null }<span class="token punctuation">, </span></span><span class="parameter ">cancelTrigger<span class="token operator">: </span><span class="token keyword">suspend </span><span class="token punctuation">(</span><span class="token keyword"></span><a href="../dev.inmo.tgbotapi.types.update.abstracts/-update/index.html">Update</a><span class="token punctuation">)</span><span class="token operator"> -> </span><span class="token keyword"></span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html">Boolean</a><span class="token operator"> = </span>{ cancelRequestFactory(it) != null }<span class="token punctuation">, </span></span><span class="parameter ">filter<span class="token operator">: </span><span class="token keyword">suspend </span><span class="token punctuation">(</span><span class="token keyword"></span><a href="../dev.inmo.tgbotapi.types.update.abstracts/-update/index.html">Update</a><span class="token punctuation">)</span><span class="token operator"> -> </span><span class="token keyword"></span><a href="expect-one.html">T</a><span class="token operator">?</span></span></span><span class="token punctuation">)</span><span class="token operator">: </span><a href="expect-one.html">T</a></div><h4 class="">Parameters</h4><div data-togglable="Parameters"><div class="table" data-togglable="Parameters"><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex"><div><u><span>init</span><wbr></wbr><span><span>Request</span></span></u></div></span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">If not null, this request will be sent by bot before returning value</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex"><div><u><span>error</span><wbr></wbr><span><span>Factory</span></span></u></div></span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">If set, this factory will be used to produce requests in case when user have sent incorrect data</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex"><div><u><span>cancel</span><wbr></wbr><span>Request</span><wbr></wbr><span><span>Factory</span></span></u></div></span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">If set, this factory will be used to produce requests in case when it is required to say user that chain of scenario has been cancelled</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex"><div><u><span>cancel</span><wbr></wbr><span><span>Trigger</span></span></u></div></span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">When this trigger returns true, chain is cancelled</p></div></div></div></div></div><div class="table-row" data-filterable-current=":docs:dokkaHtml/commonMain" data-filterable-set=":docs:dokkaHtml/commonMain"><div class="main-subrow keyValue WithExtraAttributes"><div class=""><span class="inline-flex"><div><u><span><span>filter</span></span></u></div></span></div><div><div class="title"><div data-togglable="Parameters"><p class="paragraph">It is main param, which will be called on each update. When it return not null, result will be returned as is, but when it returns null, then will be called <a href="expect-one.html">cancelTrigger</a> (if it will return true - <a href="expect-one.html">cancelRequestFactory</a> will be called too), <a href="expect-one.html">errorFactory</a> and then will be returned null</p></div></div></div></div></div></div></div></div></div> </div> <div class="footer"> <span class="go-to-top-icon"><a href="#content" id="go-to-top-link"></a></span><span>© 2023 Copyright</span><span class="pull-right"><span>Generated by </span><a href="https://github.com/Kotlin/dokka"><span>dokka</span><span class="padded-icon"></span></a></span> </div> </div> </div> </body> </html>