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8135054: Add more samples to nashorn samples directory

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Reviewed-by: mhaupt, hannesw
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Athijegannathan Sundararajan 2015-09-04 17:11:06 +05:30
parent 33994176ee
commit cb025d0a9a
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nashorn/samples/sort_by_java8.js Normal file
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/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// Simple sorting with Java8 APIs
// Separation key-extraction from key ordering
// Simple demo for Comparator.comparing
// http://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html#comparing-java.util.function.Function-
// data to be sorted
var cards = [
{ name: "hello", email: "foo@hello.com" },
{ name: "world", email: "bar@world.com" },
{ name: "see", email: "see@dontsee.com" },
];
var Collections = java.util.Collections;
var Comparator = java.util.Comparator;
// sort records name in reverse order of names
Collections.sort(cards,
Comparator.comparing(function(a) a.name).reversed());
print(JSON.stringify(cards))
// sort records by email
Collections.sort(cards,
Comparator.comparing(function(a) a.email));
print(JSON.stringify(cards))