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1 /* |
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2 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package jdk.jfr.api.consumer.streaming; |
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27 |
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28 import java.util.concurrent.CountDownLatch; |
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29 import java.util.concurrent.atomic.AtomicInteger; |
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30 |
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31 import jdk.jfr.Event; |
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32 import jdk.jfr.consumer.RecordingStream; |
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33 |
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34 /** |
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35 * @test |
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36 * @summary Verifies that it is possible to filter a stream for an event |
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37 * @key jfr |
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38 * @requires vm.hasJFR |
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39 * @library /test/lib |
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40 * @run main/othervm jdk.jfr.api.consumer.streaming.TestFiltering |
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41 */ |
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42 public class TestFiltering { |
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43 |
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44 static class SnakeEvent extends Event { |
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45 int id; |
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46 } |
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47 |
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48 static class EelEvent extends Event { |
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49 int id; |
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50 } |
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51 |
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52 public static void main(String... args) throws Exception { |
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53 CountDownLatch l = new CountDownLatch(1); |
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54 String eventName = SnakeEvent.class.getName(); |
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55 AtomicInteger idCounter = new AtomicInteger(-1); |
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56 try (RecordingStream e = new RecordingStream()) { |
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57 e.onEvent(eventName, event -> { |
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58 if (!event.getEventType().getName().equals(eventName)) { |
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59 throw new InternalError("Unexpected event " + e); |
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60 } |
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61 if (event.getInt("id") != idCounter.incrementAndGet()) { |
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62 throw new InternalError("Incorrect id"); |
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63 } |
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64 if (idCounter.get() == 99) { |
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65 l.countDown(); |
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66 } |
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67 }); |
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68 e.startAsync(); |
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69 for (int i = 0; i < 100; i++) { |
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70 SnakeEvent se = new SnakeEvent(); |
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71 se.id = i; |
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72 se.commit(); |
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73 |
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74 EelEvent ee = new EelEvent(); |
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75 ee.id = i; |
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76 ee.commit(); |
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77 } |
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78 l.await(); |
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79 } |
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80 } |
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81 } |