--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/consumer/streaming/TestRepositoryMigration.java Thu Aug 15 02:58:28 2019 +0200
@@ -0,0 +1,76 @@
+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 events = new CountDownLatch(2);
+ try (EventStream es = EventStream.openRepository()) {
+ es.setStartTime(Instant.EPOCH);
+ es.onEvent(e -> {
+ System.out.println(e);
+ if (e.getInt("id") == 1) {
+ events.countDown();
+ }
+ if (e.getInt("id") == 2) {
+ events.countDown();
+ }
+ });
+ 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();
+ JcmdHelper.jcmd("JFR.configure", "repositorypath=" + newRepository.toAbsolutePath());
+ // Chunk in new repository
+ MigrationEvent e2 = new MigrationEvent();
+ e2.id = 2;
+ e2.commit();
+ r.stop();
+ events.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);
+ }
+ }
+ }
+ }
+
+}