36 lines
1.3 KiB
Java
36 lines
1.3 KiB
Java
// 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(1);
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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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7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
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26 27 28 29 30 31 32 33 34 6 35 4 38 39 40 41 42 43 44
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45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62
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63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
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81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98
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99 100 101 102 103 104 105 106 107 108 109 110 111 112
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1 113 114 116 117 118 119 120 121 122 123 124 125 126
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127 128 129 130 131 132 133 134 135 136 137 138 139 140
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141 142 143 144 145 146 147 148 149 5 115 37 36 2 3
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*/
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