jvmMain.runners.ExecutorServiceWorkRunner.kt Maven / Gradle / Ivy

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package kt.mobius.runners

import java.util.concurrent.ExecutorService
import java.util.concurrent.TimeUnit

/** A [WorkRunner] implementation that is backed by an [ExecutorService]. */
class ExecutorServiceWorkRunner(private val service: ExecutorService) : WorkRunner {

    override fun post(runnable: Runnable) {
        service.submit(runnable)
    }

    override fun dispose() {
        try {
            val runnables = service.shutdownNow()

            if (!runnables.isEmpty()) {
                println("Disposing ExecutorServiceWorkRunner with ${runnables.size} outstanding tasks.")
            }

            if (!service.awaitTermination(100, TimeUnit.MILLISECONDS)) {
                println("ExecutorService shutdown timed out; there are still tasks executing")
            }
        } catch (e: InterruptedException) {
            println("Timeout when disposing work runner")
            println(e)
        }
    }
}