32 lines
939 B
Java
32 lines
939 B
Java
// threads/QuittingTasks.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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import java.util.*;
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import java.util.stream.*;
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import java.util.concurrent.*;
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public class QuittingTasks {
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public static void main(String[] args)
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throws InterruptedException {
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ExecutorService exec =
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Executors.newCachedThreadPool();
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List<QuittableTask> tasks =
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IntStream.range(1, 1000)
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.mapToObj(i -> new QuittableTask())
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.peek(exec::execute)
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.collect(Collectors.toList());
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TimeUnit.MILLISECONDS.sleep(100);
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tasks.forEach(QuittableTask::quit);
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exec.shutdown();
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exec.awaitTermination(1, TimeUnit.SECONDS);
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// See if any tasks are still running:
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System.out.println(
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tasks.stream()
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.anyMatch(QuittableTask::running));
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}
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}
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/* Output:
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false
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*/
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