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

Example 81 with Position

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

the class ManagedCursorTest method internalTestFindNewestMatchingAllEntries.

void internalTestFindNewestMatchingAllEntries(final String name, final int entriesPerLedger, final int expectedEntryId) throws Exception {
    final String ledgerAndCursorName = name;
    ManagedLedgerConfig config = new ManagedLedgerConfig();
    config.setRetentionSizeInMB(10);
    config.setMaxEntriesPerLedger(entriesPerLedger);
    config.setRetentionTime(1, TimeUnit.HOURS);
    ManagedLedger ledger = factory.open(ledgerAndCursorName, config);
    ManagedCursorImpl c1 = (ManagedCursorImpl) ledger.openCursor(ledgerAndCursorName);
    ledger.addEntry(getEntryPublishTime("retained1"));
    // space apart message publish times
    Thread.sleep(100);
    ledger.addEntry(getEntryPublishTime("retained2"));
    Thread.sleep(100);
    ledger.addEntry(getEntryPublishTime("retained3"));
    Thread.sleep(100);
    Position newPosition = ledger.addEntry(getEntryPublishTime("expectedresetposition"));
    long timestamp = System.currentTimeMillis();
    long ledgerId = ((PositionImpl) newPosition).getLedgerId();
    Thread.sleep(2);
    ledger.addEntry(getEntryPublishTime("not-read"));
    List<Entry> entries = c1.readEntries(3);
    c1.markDelete(entries.get(2).getPosition());
    c1.close();
    ledger.close();
    entries.forEach(e -> e.release());
    // give timed ledger trimming a chance to run
    Thread.sleep(100);
    ledger = factory.open(ledgerAndCursorName, config);
    c1 = (ManagedCursorImpl) ledger.openCursor(ledgerAndCursorName);
    PositionImpl found = (PositionImpl) findPositionFromAllEntries(c1, timestamp);
    assertEquals(found.getLedgerId(), ledgerId);
    assertEquals(found.getEntryId(), expectedEntryId);
}

Example 82 with Position

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

the class ManagedCursorTest method testGetEntryAfterN.

@Test(timeOut = 20000)
void testGetEntryAfterN() throws Exception {
    ManagedLedger ledger = factory.open("testGetEntryAfterN");
    ManagedCursor c1 = ledger.openCursor("c1");
    Position pos1 = ledger.addEntry("msg1".getBytes());
    Position pos2 = ledger.addEntry("msg2".getBytes());
    Position pos3 = ledger.addEntry("msg3".getBytes());
    Position pos4 = ledger.addEntry("msg4".getBytes());
    Position pos5 = ledger.addEntry("msg5".getBytes());
    List<Entry> entries = c1.readEntries(4);
    entries.forEach(e -> e.release());
    long currentLedger = ((PositionImpl) c1.getMarkDeletedPosition()).getLedgerId();
    // check if the first message is returned for '0'
    Entry e = c1.getNthEntry(1, IndividualDeletedEntries.Exclude);
    assertEquals(e.getDataAndRelease(), "msg1".getBytes());
    // check that if we call get entry for the same position twice, it returns the same entry
    e = c1.getNthEntry(1, IndividualDeletedEntries.Exclude);
    assertEquals(e.getDataAndRelease(), "msg1".getBytes());
    // check for a position 'n' after md position
    e = c1.getNthEntry(3, IndividualDeletedEntries.Exclude);
    assertEquals(e.getDataAndRelease(), "msg3".getBytes());
    // check for the last position
    e = c1.getNthEntry(5, IndividualDeletedEntries.Exclude);
    assertEquals(e.getDataAndRelease(), "msg5".getBytes());
    // check for a position outside the limits of the number of entries that exists, it should return null
    e = c1.getNthEntry(10, IndividualDeletedEntries.Exclude);
    assertNull(e);
    // check that the mark delete and read positions have not been updated after all the previous operations
    assertEquals(c1.getMarkDeletedPosition(), new PositionImpl(currentLedger, -1));
    assertEquals(c1.getReadPosition(), new PositionImpl(currentLedger, 4));
    c1.markDelete(pos4);
    assertEquals(c1.getMarkDeletedPosition(), pos4);
    e = c1.getNthEntry(1, IndividualDeletedEntries.Exclude);
    assertEquals(e.getDataAndRelease(), "msg5".getBytes());
    c1.readEntries(1);
    c1.markDelete(pos5);
    e = c1.getNthEntry(1, IndividualDeletedEntries.Exclude);
    assertNull(e);
}

Example 83 with Position

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

the class ManagedCursorTest method testFindNewestMatchingEdgeCase5.

@Test(timeOut = 20000)
void testFindNewestMatchingEdgeCase5() throws Exception {
    ManagedLedger ledger = factory.open("testFindNewestMatchingEdgeCase5");
    ManagedCursorImpl c1 = (ManagedCursorImpl) ledger.openCursor("c1");
    ledger.addEntry("expired".getBytes(Encoding));
    Position p2 = ledger.addEntry("expired".getBytes(Encoding));
    ledger.addEntry("not-expired".getBytes(Encoding));
    assertEquals(c1.findNewestMatching(entry -> Arrays.equals(entry.getDataAndRelease(), "expired".getBytes(Encoding))), p2);
}

Example 84 with Position

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

the class ManagedCursorTest method randomOrderAcks.

@Test(timeOut = 20000)
void randomOrderAcks() 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);
    // Randomize the ack sequence
    Collections.shuffle(positions);
    int toDelete = N;
    for (Position p : positions) {
        assertEquals(c1.getNumberOfEntriesInBacklog(), toDelete);
        c1.delete(p);
        --toDelete;
        assertEquals(c1.getNumberOfEntriesInBacklog(), toDelete);
    }
}

Example 85 with Position

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

the class ManagedCursorTest method testFindNewestMatchingOdd5.

@Test(timeOut = 20000)
void testFindNewestMatchingOdd5() 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));
    ledger.addEntry("expired".getBytes(Encoding));
    ledger.addEntry("expired".getBytes(Encoding));
    Position p5 = ledger.addEntry("expired".getBytes(Encoding));
    assertEquals(c1.findNewestMatching(entry -> Arrays.equals(entry.getDataAndRelease(), "expired".getBytes(Encoding))), p5);
}