36 lines
1.3 KiB
Java
36 lines
1.3 KiB
Java
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// concurrent/QuittingCompletable.java
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// (c)2017 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://OnJava8.com 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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import onjava.Nap;
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public class QuittingCompletable {
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public static void main(String[] args) {
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List<QuittableTask> tasks =
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IntStream.range(1, QuittingTasks.COUNT)
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.mapToObj(QuittableTask::new)
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.collect(Collectors.toList());
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List<CompletableFuture<Void>> cfutures =
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tasks.stream()
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.map(CompletableFuture::runAsync)
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.collect(Collectors.toList());
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new Nap(1000);
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tasks.forEach(QuittableTask::quit);
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cfutures.forEach(CompletableFuture::join);
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}
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}
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/* Output:
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125 148 115 127 120 118 106 140 77 119 97 80 143 17 92 147
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89 123 16 12 138 25 13 101 135 96 76 73 130 133 37 132 134
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149 137 122 29 49 60 40 142 131 53 1 98 145 126 65 5 64 82
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79 68 86 141 61 128 22 7 26 19 139 114 146 14 15 43 34 10
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75 87 90 31 47 38 62 18 63 41 42 144 66 23 6 4 91 70 83 102
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103 54 69 74 56 71 94 88 78 81 57 52 93 45 48 44 32 28 36
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33 104 105 112 109 100 117 24 108 21 116 20 9 85 8 84 72
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107 113 121 124 136 129 99 95 55 3 27 2 59 67 50 58 51 39
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30 35 46 110 111 11
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*/
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