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

Example 76 with Position

use of org.apache.bookkeeper.mledger.Position in project incubator-pulsar by apache.

the class ManagedCursorTest method unorderedMarkDelete.

@Test(timeOut = 20000)
void unorderedMarkDelete() throws Exception {
    ManagedLedger ledger = factory.open("my_test_ledger");
    final ManagedCursor c1 = ledger.openCursor("c1");
    Position p1 = ledger.addEntry("entry-1".getBytes(Encoding));
    Position p2 = ledger.addEntry("entry-2".getBytes(Encoding));
    c1.markDelete(p2);
    try {
        c1.markDelete(p1);
        fail("Should have thrown exception");
    } catch (ManagedLedgerException e) {
    // ok
    }
    assertEquals(c1.getMarkDeletedPosition(), p2);
}

Example 77 with Position

use of org.apache.bookkeeper.mledger.Position in project incubator-pulsar by apache.

the class ManagedCursorTest method seekPosition3.

@Test(timeOut = 20000)
void seekPosition3() throws Exception {
    ManagedLedger ledger = factory.open("my_test_ledger", new ManagedLedgerConfig().setMaxEntriesPerLedger(2));
    ManagedCursor cursor = ledger.openCursor("c1");
    ledger.addEntry("dummy-entry-1".getBytes(Encoding));
    ledger.addEntry("dummy-entry-2".getBytes(Encoding));
    ledger.addEntry("dummy-entry-3".getBytes(Encoding));
    PositionImpl seekPosition = (PositionImpl) ledger.addEntry("dummy-entry-4".getBytes(Encoding));
    Position entry5 = ledger.addEntry("dummy-entry-5".getBytes(Encoding));
    Position entry6 = ledger.addEntry("dummy-entry-6".getBytes(Encoding));
    cursor.seek(new PositionImpl(seekPosition.getLedgerId(), seekPosition.getEntryId()));
    assertEquals(cursor.getReadPosition(), seekPosition);
    List<Entry> entries = cursor.readEntries(1);
    assertEquals(entries.size(), 1);
    assertEquals(new String(entries.get(0).getData(), Encoding), "dummy-entry-4");
    entries.forEach(e -> e.release());
    cursor.seek(entry5.getNext());
    assertEquals(cursor.getReadPosition(), entry6);
    entries = cursor.readEntries(1);
    assertEquals(entries.size(), 1);
    assertEquals(new String(entries.get(0).getData(), Encoding), "dummy-entry-6");
    entries.forEach(e -> e.release());
}

Example 78 with Position

use of org.apache.bookkeeper.mledger.Position in project incubator-pulsar by apache.

the class ManagedCursorTest method testFindNewestMatchingOdd2.

@Test(timeOut = 20000)
void testFindNewestMatchingOdd2() throws Exception {
    ManagedLedger ledger = factory.open("my_test_ledger");
    ManagedCursorImpl c1 = (ManagedCursorImpl) ledger.openCursor("c1");
    ledger.addEntry("expired".getBytes(Encoding));
    Position p2 = ledger.addEntry("expired".getBytes(Encoding));
    ledger.addEntry("not-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))), p2);
}

Example 79 with Position

use of org.apache.bookkeeper.mledger.Position in project incubator-pulsar by apache.

the class ManagedCursorTest method rewind.

@Test(timeOut = 20000)
void rewind() throws Exception {
    ManagedLedger ledger = factory.open("my_test_ledger", new ManagedLedgerConfig().setMaxEntriesPerLedger(2));
    ManagedCursor c1 = ledger.openCursor("c1");
    Position p1 = ledger.addEntry("dummy-entry-1".getBytes(Encoding));
    Position p2 = ledger.addEntry("dummy-entry-2".getBytes(Encoding));
    Position p3 = ledger.addEntry("dummy-entry-3".getBytes(Encoding));
    Position p4 = ledger.addEntry("dummy-entry-4".getBytes(Encoding));
    log.debug("p1: {}", p1);
    log.debug("p2: {}", p2);
    log.debug("p3: {}", p3);
    log.debug("p4: {}", p4);
    assertEquals(c1.getNumberOfEntries(), 4);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 4);
    c1.markDelete(p1);
    assertEquals(c1.getNumberOfEntries(), 3);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 3);
    List<Entry> entries = c1.readEntries(10);
    assertEquals(entries.size(), 3);
    entries.forEach(e -> e.release());
    assertEquals(c1.getNumberOfEntries(), 0);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 3);
    c1.rewind();
    assertEquals(c1.getNumberOfEntries(), 3);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 3);
    c1.markDelete(p2);
    assertEquals(c1.getNumberOfEntries(), 2);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 2);
    entries = c1.readEntries(10);
    assertEquals(entries.size(), 2);
    entries.forEach(e -> e.release());
    assertEquals(c1.getNumberOfEntries(), 0);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 2);
    c1.rewind();
    assertEquals(c1.getNumberOfEntries(), 2);
    c1.markDelete(p4);
    assertEquals(c1.getNumberOfEntries(), 0);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 0);
    c1.rewind();
    assertEquals(c1.getNumberOfEntries(), 0);
    ledger.addEntry("dummy-entry-5".getBytes(Encoding));
    assertEquals(c1.getNumberOfEntries(), 1);
    ledger.addEntry("dummy-entry-6".getBytes(Encoding));
    assertEquals(c1.getNumberOfEntries(), 2);
}

Example 80 with Position

use of org.apache.bookkeeper.mledger.Position in project incubator-pulsar by apache.

the class ManagedCursorTest method outOfOrderAcks.

@Test(timeOut = 20000)
void outOfOrderAcks() throws Exception {
    ManagedLedger ledger = factory.open("outOfOrderAcks");
    ManagedCursor c1 = ledger.openCursor("c1");
    int N = 10;
    List<Position> positions = new ArrayList<>();
    for (int i = 0; i < N; i++) {
        positions.add(ledger.addEntry("entry".getBytes()));
    }
    assertEquals(c1.getNumberOfEntriesInBacklog(), N);
    c1.delete(positions.get(3));
    assertEquals(c1.getNumberOfEntriesInBacklog(), N - 1);
    c1.delete(positions.get(2));
    assertEquals(c1.getNumberOfEntriesInBacklog(), N - 2);
    c1.delete(positions.get(1));
    assertEquals(c1.getNumberOfEntriesInBacklog(), N - 3);
    c1.delete(positions.get(0));
    assertEquals(c1.getNumberOfEntriesInBacklog(), N - 4);
}