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

Example 11 with Position

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

the class ManagedCursorTest method testFindNewestMatchingEdgeCase2.

@Test(timeOut = 20000)
void testFindNewestMatchingEdgeCase2() throws Exception {
    ManagedLedger ledger = factory.open("my_test_ledger");
    ManagedCursorImpl c1 = (ManagedCursorImpl) ledger.openCursor("c1");
    Position p1 = ledger.addEntry("expired".getBytes(Encoding));
    assertEquals(c1.findNewestMatching(entry -> Arrays.equals(entry.getDataAndRelease(), "expired".getBytes(Encoding))), p1);
}

Example 12 with Position

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

the class ManagedCursorTest method deleteCursor.

@Test(timeOut = 20000)
void deleteCursor() throws Exception {
    ManagedLedger ledger = factory.open("my_test_ledger");
    ManagedCursor c1 = ledger.openCursor("c1");
    ledger.addEntry("entry-1".getBytes(Encoding));
    Position p2 = ledger.addEntry("entry-2".getBytes(Encoding));
    assertEquals(c1.getNumberOfEntries(), 2);
    // Remove and recreate the same cursor
    ledger.deleteCursor("c1");
    try {
        c1.readEntries(10);
        fail("must fail, the cursor should be closed");
    } catch (ManagedLedgerException e) {
    // ok
    }
    try {
        c1.markDelete(p2);
        fail("must fail, the cursor should be closed");
    } catch (ManagedLedgerException e) {
    // ok
    }
    c1 = ledger.openCursor("c1");
    assertEquals(c1.getNumberOfEntries(), 0);
    c1.close();
    try {
        c1.readEntries(10);
        fail("must fail, the cursor should be closed");
    } catch (ManagedLedgerException e) {
    // ok
    }
    c1.close();
}

Example 13 with Position

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

the class ManagedCursorTest method testNumberOfEntriesInBacklog.

@Test(timeOut = 20000)
void testNumberOfEntriesInBacklog() 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));
    ManagedCursor c2 = ledger.openCursor("c2");
    ledger.addEntry("dummy-entry-2".getBytes(Encoding));
    ManagedCursor c3 = ledger.openCursor("c3");
    Position p3 = ledger.addEntry("dummy-entry-3".getBytes(Encoding));
    ManagedCursor c4 = ledger.openCursor("c4");
    Position p4 = ledger.addEntry("dummy-entry-4".getBytes(Encoding));
    ManagedCursor c5 = ledger.openCursor("c5");
    assertEquals(c1.getNumberOfEntriesInBacklog(), 4);
    assertEquals(c2.getNumberOfEntriesInBacklog(), 3);
    assertEquals(c3.getNumberOfEntriesInBacklog(), 2);
    assertEquals(c4.getNumberOfEntriesInBacklog(), 1);
    assertEquals(c5.getNumberOfEntriesInBacklog(), 0);
    List<Entry> entries = c1.readEntries(2);
    assertEquals(entries.size(), 2);
    entries.forEach(e -> e.release());
    assertEquals(c1.getNumberOfEntries(), 2);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 4);
    c1.markDelete(p1);
    assertEquals(c1.getNumberOfEntries(), 2);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 3);
    c1.delete(p3);
    assertEquals(c1.getNumberOfEntries(), 1);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 2);
    c1.markDelete(p4);
    assertEquals(c1.getNumberOfEntries(), 0);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 0);
}

Example 14 with Position

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

the class ManagedCursorTest method testSingleDelete.

@Test(timeOut = 20000)
void testSingleDelete() throws Exception {
    ManagedLedger ledger = factory.open("my_test_ledger", new ManagedLedgerConfig().setMaxEntriesPerLedger(3));
    ManagedCursor cursor = ledger.openCursor("c1");
    Position p1 = 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());
    Position p6 = ledger.addEntry("entry6".getBytes());
    Position p0 = cursor.getMarkDeletedPosition();
    cursor.delete(p4);
    assertEquals(cursor.getMarkDeletedPosition(), p0);
    cursor.delete(p1);
    assertEquals(cursor.getMarkDeletedPosition(), p1);
    cursor.delete(p3);
    // Delete will silently succeed
    cursor.delete(p3);
    assertEquals(cursor.getMarkDeletedPosition(), p1);
    cursor.delete(p2);
    assertEquals(cursor.getMarkDeletedPosition(), p4);
    cursor.delete(p5);
    assertEquals(cursor.getMarkDeletedPosition(), p5);
    cursor.close();
    try {
        cursor.delete(p6);
    } catch (ManagedLedgerException e) {
    // Ok
    }
}

Example 15 with Position

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

the class ManagedCursorTest method deleteSingleMessageTwice.

@Test(timeOut = 20000)
void deleteSingleMessageTwice() throws Exception {
    ManagedLedger ledger = factory.open("my_test_ledger");
    ManagedCursor c1 = ledger.openCursor("c1");
    Position p1 = ledger.addEntry("entry-1".getBytes(Encoding));
    Position p2 = ledger.addEntry("entry-2".getBytes(Encoding));
    Position p3 = ledger.addEntry("entry-3".getBytes(Encoding));
    Position p4 = ledger.addEntry("entry-4".getBytes(Encoding));
    assertEquals(c1.getNumberOfEntriesInBacklog(), 4);
    assertEquals(c1.getNumberOfEntries(), 4);
    c1.delete(p1);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 3);
    assertEquals(c1.getNumberOfEntries(), 3);
    assertEquals(c1.getMarkDeletedPosition(), p1);
    assertEquals(c1.getReadPosition(), p2);
    // Should have not effect since p1 is already deleted
    c1.delete(p1);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 3);
    assertEquals(c1.getNumberOfEntries(), 3);
    assertEquals(c1.getMarkDeletedPosition(), p1);
    assertEquals(c1.getReadPosition(), p2);
    c1.delete(p2);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 2);
    assertEquals(c1.getNumberOfEntries(), 2);
    assertEquals(c1.getMarkDeletedPosition(), p2);
    assertEquals(c1.getReadPosition(), p3);
    // Should have not effect since p2 is already deleted
    c1.delete(p2);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 2);
    assertEquals(c1.getNumberOfEntries(), 2);
    assertEquals(c1.getMarkDeletedPosition(), p2);
    assertEquals(c1.getReadPosition(), p3);
    c1.delete(p3);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 1);
    assertEquals(c1.getNumberOfEntries(), 1);
    assertEquals(c1.getMarkDeletedPosition(), p3);
    assertEquals(c1.getReadPosition(), p4);
    // Should have not effect since p3 is already deleted
    c1.delete(p3);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 1);
    assertEquals(c1.getNumberOfEntries(), 1);
    assertEquals(c1.getMarkDeletedPosition(), p3);
    assertEquals(c1.getReadPosition(), p4);
    c1.delete(p4);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 0);
    assertEquals(c1.getNumberOfEntries(), 0);
    assertEquals(c1.getMarkDeletedPosition(), p4);
    assertEquals(c1.getReadPosition(), p4.getNext());
    // Should have not effect since p4 is already deleted
    c1.delete(p4);
    assertEquals(c1.getNumberOfEntriesInBacklog(), 0);
    assertEquals(c1.getNumberOfEntries(), 0);
    assertEquals(c1.getMarkDeletedPosition(), p4);
    assertEquals(c1.getReadPosition(), p4.getNext());
}