diff -r b129e9cbab87 -r 3f4320a01539 samples/sort_by_java8.js --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/samples/sort_by_java8.js Fri Sep 04 17:17:44 2015 +0530 @@ -0,0 +1,59 @@ +/* + * 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))