--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/consumer/streaming/TestRepositoryMigration.java Wed Oct 30 19:43:52 2019 +0100
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package jdk.jfr.api.consumer.streaming;
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.time.Duration;
+import java.time.Instant;
+import java.util.concurrent.CountDownLatch;
+
+import jdk.jfr.Event;
+import jdk.jfr.Recording;
+import jdk.jfr.consumer.EventStream;
+import jdk.jfr.jcmd.JcmdHelper;
+
+/**
+ * @test
+ * @summary Verifies that is possible to stream from a repository that is being
+ * moved.
+ * @key jfr
+ * @requires vm.hasJFR
+ * @library /test/lib /test/jdk
+ * @run main/othervm jdk.jfr.api.consumer.streaming.TestRepositoryMigration
+ */
+public class TestRepositoryMigration {
+ static class MigrationEvent extends Event {
+ int id;
+ }
+
+ public static void main(String... args) throws Exception {
+ Path newRepository = Paths.get("new-repository");
+ CountDownLatch event1 = new CountDownLatch(1);
+ CountDownLatch event2 = new CountDownLatch(1);
+
+ try (EventStream es = EventStream.openRepository()) {
+ es.setStartTime(Instant.EPOCH);
+ es.onEvent(e -> {
+ System.out.println(e);
+ if (e.getInt("id") == 1) {
+ event1.countDown();
+ }
+ if (e.getInt("id") == 2) {
+ event2.countDown();
+ }
+ });
+ es.startAsync();
+ System.out.println("Started es.startAsync()");
+
+ try (Recording r = new Recording()) {
+ r.setFlushInterval(Duration.ofSeconds(1));
+ r.start();
+ // Chunk in default repository
+ MigrationEvent e1 = new MigrationEvent();
+ e1.id = 1;
+ e1.commit();
+ event1.await();
+ System.out.println("Passed the event1.await()");
+ JcmdHelper.jcmd("JFR.configure", "repositorypath=" + newRepository.toAbsolutePath());
+ // Chunk in new repository
+ MigrationEvent e2 = new MigrationEvent();
+ e2.id = 2;
+ e2.commit();
+ r.stop();
+ event2.await();
+ System.out.println("Passed the event2.await()");
+ // Verify that it happened in new repository
+ if (!Files.exists(newRepository)) {
+ throw new AssertionError("Could not find repository " + newRepository);
+ }
+ System.out.println("Listing contents in new repository:");
+ boolean empty = true;
+ for (Path p : Files.newDirectoryStream(newRepository)) {
+ System.out.println(p.toAbsolutePath());
+ empty = false;
+ }
+ System.out.println();
+ if (empty) {
+ throw new AssertionError("Could not find contents in new repository location " + newRepository);
+ }
+ }
+ }
+ }
+
+}