1 /*
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   4  * Redistribution and use in source and binary forms, with or without
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  11  *   - Redistributions in binary form must reproduce the above copyright
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  13  *     documentation and/or other materials provided with the distribution.
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  15  *   - Neither the name of Oracle nor the names of its
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  17  *     from this software without specific prior written permission.
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  31 
  32 // Simple sorting with Java8 APIs
  33 
  34 // Separation key-extraction from key ordering
  35 
  36 // Simple demo for Comparator.comparing
  37 // http://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html#comparing-java.util.function.Function-
  38 
  39 // data to be sorted
  40 var cards = [
  41    { name: "hello", email: "foo@hello.com" },
  42    { name: "world", email: "bar@world.com" },
  43    { name: "see", email: "see@dontsee.com" },
  44 ];
  45 
  46 var Collections = java.util.Collections;
  47 var Comparator = java.util.Comparator;
  48 
  49 // sort records name in reverse order of names
  50 Collections.sort(cards,
  51   Comparator.comparing(function(a) a.name).reversed());
  52 
  53 print(JSON.stringify(cards))
  54 
  55 // sort records by email
  56 Collections.sort(cards,
  57   Comparator.comparing(function(a) a.email));
  58 
  59 print(JSON.stringify(cards))