| /* |
| * 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)) |