Examples with ManagedLedger org.apache.bookkeeper.mledger.ManagedLedger used on opensource projects

Example 21 with ManagedLedger

use of org.apache.bookkeeper.mledger.ManagedLedger in project pulsar by yahoo.

the class ManagedCursorTest method testReadingAllFilteredEntries.

@Test(timeOut = 20000)
void testReadingAllFilteredEntries() throws Exception {
    ManagedLedger ledger = factory.open("my_test_ledger", new ManagedLedgerConfig().setMaxEntriesPerLedger(3));
    ledger.openCursor("c1");
    ManagedCursor c2 = ledger.openCursor("c2");
    ledger.addEntry("entry1".getBytes());
    Position p2 = ledger.addEntry("entry2".getBytes());
    Position p3 = ledger.addEntry("entry3".getBytes());
    Position p4 = ledger.addEntry("entry4".getBytes());
    Position p5 = ledger.addEntry("entry5".getBytes());
    c2.readEntries(1).get(0).release();
    c2.delete(p2);
    c2.delete(p3);
    List<Entry> entries = c2.readEntries(2);
    assertEquals(entries.size(), 2);
    assertEquals(entries.get(0).getPosition(), p4);
    assertEquals(entries.get(1).getPosition(), p5);
    entries.forEach(e -> e.release());
}

Example 22 with ManagedLedger

use of org.apache.bookkeeper.mledger.ManagedLedger in project pulsar by yahoo.

the class ManagedCursorTest method testReadEntriesOrWait.

@Test(timeOut = 10000)
void testReadEntriesOrWait() throws Exception {
    ManagedLedger ledger = factory.open("my_test_ledger");
    final int Consumers = 10;
    final CountDownLatch counter = new CountDownLatch(Consumers);
    for (int i = 0; i < Consumers; i++) {
        ManagedCursor c = ledger.openCursor("c" + i);
        c.asyncReadEntriesOrWait(1, new ReadEntriesCallback() {

            public void readEntriesComplete(List<Entry> entries, Object ctx) {
                assertEquals(entries.size(), 1);
                entries.forEach(e -> e.release());
                counter.countDown();
            }

            public void readEntriesFailed(ManagedLedgerException exception, Object ctx) {
                log.error("Error reading", exception);
            }
        }, null);
    }
    ledger.addEntry("test".getBytes());
    counter.await();
}

Example 23 with ManagedLedger

use of org.apache.bookkeeper.mledger.ManagedLedger in project pulsar by yahoo.

the class ManagedCursorTest method testFindNewestMatchingOdd3.

@Test(timeOut = 20000)
void testFindNewestMatchingOdd3() throws Exception {
    ManagedLedger ledger = factory.open("my_test_ledger");
    ManagedCursorImpl c1 = (ManagedCursorImpl) ledger.openCursor("c1");
    ledger.addEntry("expired".getBytes(Encoding));
    ledger.addEntry("expired".getBytes(Encoding));
    Position p3 = ledger.addEntry("expired".getBytes(Encoding));
    ledger.addEntry("not-expired".getBytes(Encoding));
    ledger.addEntry("not-expired".getBytes(Encoding));
    assertEquals(c1.findNewestMatching(entry -> Arrays.equals(entry.getDataAndRelease(), "expired".getBytes(Encoding))), p3);
}

Example 24 with ManagedLedger

use of org.apache.bookkeeper.mledger.ManagedLedger in project pulsar by yahoo.

the class ManagedCursorTest method testIndividuallyDeletedMessages.

@Test(timeOut = 20000)
void testIndividuallyDeletedMessages() throws Exception {
    ManagedLedger ledger = factory.open("testIndividuallyDeletedMessages");
    ManagedCursorImpl c1 = (ManagedCursorImpl) ledger.openCursor("c1");
    ledger.addEntry("entry-0".getBytes(Encoding));
    ledger.addEntry("entry-1".getBytes(Encoding));
    ledger.addEntry("entry-2".getBytes(Encoding));
    ledger.addEntry("entry-3".getBytes(Encoding));
    ledger.addEntry("entry-4".getBytes(Encoding));
    List<Entry> entries = c1.readEntries(4);
    c1.delete(entries.get(1).getPosition());
    c1.delete(entries.get(2).getPosition());
    c1.markDelete(entries.get(3).getPosition());
    entries.forEach(e -> e.release());
    assertTrue(c1.isIndividuallyDeletedEntriesEmpty());
}

Example 25 with ManagedLedger

use of org.apache.bookkeeper.mledger.ManagedLedger in project pulsar by yahoo.

the class ManagedCursorTest method testReopenMultipleTimes.

@Test(timeOut = 20000)
public void testReopenMultipleTimes() throws Exception {
    ManagedLedger ledger = factory.open("testReopenMultipleTimes");
    ManagedCursor c1 = ledger.openCursor("c1");
    Position mdPosition = c1.getMarkDeletedPosition();
    c1.close();
    ledger.close();
    ledger = factory.open("testReopenMultipleTimes");
    c1 = ledger.openCursor("c1");
    // since the empty data ledger will be deleted, the cursor position should also be updated
    assertNotEquals(c1.getMarkDeletedPosition(), mdPosition);
    c1.close();
    ledger.close();
    ledger = factory.open("testReopenMultipleTimes");
    c1 = ledger.openCursor("c1");
}