62 lines
1.7 KiB
Kotlin
62 lines
1.7 KiB
Kotlin
package dev.inmo.krontab
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import com.soywiz.klock.DateTime
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import kotlinx.coroutines.delay
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/**
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* Execute [block] once at the [KronScheduler.next] time and return result of [block] calculation.
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*
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* WARNING!!! If you want to launch it in parallel, you must do this explicitly.
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*
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* WARNING!!! In case if [KronScheduler.next] of [this] instance will return null, [block] will be called immediately
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*/
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suspend inline fun <T> KronScheduler.doOnce(noinline block: suspend () -> T): T {
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next() ?.let {
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delay((it - DateTime.now()).millisecondsLong)
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}
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return block()
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}
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/**
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* Will [buildSchedule] using [scheduleConfig] and call [doOnce] on it
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* @see buildSchedule
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*/
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suspend inline fun <T> doOnce(
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scheduleConfig: String,
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noinline block: suspend () -> T
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) = buildSchedule(scheduleConfig).doOnce(block)
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/**
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* Will execute [block] while it will return true as a result of its calculation
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*/
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suspend inline fun KronScheduler.doWhile(noinline block: suspend () -> Boolean) {
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do { val doNext = doOnce(block) } while (doNext)
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}
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/**
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* Will [buildSchedule] using [scheduleConfig] and call [doWhile] with [block]
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*
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* @see buildSchedule
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*/
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suspend inline fun doWhile(
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scheduleConfig: String,
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noinline block: suspend () -> Boolean
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) = buildSchedule(scheduleConfig).doWhile(block)
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/**
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* Will execute [block] without any checking of result
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*/
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suspend inline fun KronScheduler.doInfinity(noinline block: suspend () -> Unit) = doWhile {
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block()
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true
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}
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/**
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* Will [buildSchedule] using [scheduleConfig] and call [doInfinity] with [block]
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*
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* @see buildSchedule
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*/
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suspend inline fun doInfinity(
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scheduleConfig: String,
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noinline block: suspend () -> Unit
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) = buildSchedule(scheduleConfig).doInfinity(block)
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