Examples with ReadEntriesCallback org.apache.bookkeeper.mledger.AsyncCallbacks.ReadEntriesCallback used on opensource projects

Example 6 with ReadEntriesCallback

use of org.apache.bookkeeper.mledger.AsyncCallbacks.ReadEntriesCallback 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 7 with ReadEntriesCallback

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

the class ManagedCursorTest method asyncReadWithInvalidParameter.

@Test(timeOut = 20000, expectedExceptions = IllegalArgumentException.class)
void asyncReadWithInvalidParameter() throws Exception {
    ManagedLedger ledger = factory.open("my_test_ledger");
    ManagedCursor cursor = ledger.openCursor("c1");
    ledger.addEntry("dummy-entry-1".getBytes(Encoding));
    final CountDownLatch counter = new CountDownLatch(1);
    stopBookKeeper();
    cursor.asyncReadEntries(0, new ReadEntriesCallback() {

        public void readEntriesComplete(List<Entry> entries, Object ctx) {
            fail("async-call should have failed");
        }

        public void readEntriesFailed(ManagedLedgerException exception, Object ctx) {
            counter.countDown();
        }
    }, null);
    counter.await();
}

Example 8 with ReadEntriesCallback

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

the class ManagedCursorImpl method replayEntries.

@Override
public List<Entry> replayEntries(Set<? extends Position> positions) throws InterruptedException, ManagedLedgerException {
    final CountDownLatch counter = new CountDownLatch(1);
    class Result {

        ManagedLedgerException exception = null;

        List<Entry> entries = null;
    }
    final Result result = new Result();
    asyncReplayEntries(positions, new ReadEntriesCallback() {

        @Override
        public void readEntriesComplete(List<Entry> entries, Object ctx) {
            result.entries = entries;
            counter.countDown();
        }

        @Override
        public void readEntriesFailed(ManagedLedgerException exception, Object ctx) {
            result.exception = exception;
            counter.countDown();
        }
    }, null);
    counter.await();
    if (result.exception != null)
        throw result.exception;
    return result.entries;
}

Example 9 with ReadEntriesCallback

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

the class ManagedCursorImpl method readEntries.

@Override
public List<Entry> readEntries(int numberOfEntriesToRead) throws InterruptedException, ManagedLedgerException {
    checkArgument(numberOfEntriesToRead > 0);
    final CountDownLatch counter = new CountDownLatch(1);
    class Result {

        ManagedLedgerException exception = null;

        List<Entry> entries = null;
    }
    final Result result = new Result();
    asyncReadEntries(numberOfEntriesToRead, new ReadEntriesCallback() {

        @Override
        public void readEntriesComplete(List<Entry> entries, Object ctx) {
            result.entries = entries;
            counter.countDown();
        }

        @Override
        public void readEntriesFailed(ManagedLedgerException exception, Object ctx) {
            result.exception = exception;
            counter.countDown();
        }
    }, null);
    counter.await();
    if (result.exception != null)
        throw result.exception;
    return result.entries;
}

Example 10 with ReadEntriesCallback

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

the class ManagedCursorImpl method readEntriesOrWait.

@Override
public List<Entry> readEntriesOrWait(int numberOfEntriesToRead) throws InterruptedException, ManagedLedgerException {
    checkArgument(numberOfEntriesToRead > 0);
    final CountDownLatch counter = new CountDownLatch(1);
    class Result {

        ManagedLedgerException exception = null;

        List<Entry> entries = null;
    }
    final Result result = new Result();
    asyncReadEntriesOrWait(numberOfEntriesToRead, new ReadEntriesCallback() {

        @Override
        public void readEntriesComplete(List<Entry> entries, Object ctx) {
            result.entries = entries;
            counter.countDown();
        }

        @Override
        public void readEntriesFailed(ManagedLedgerException exception, Object ctx) {
            result.exception = exception;
            counter.countDown();
        }
    }, null);
    counter.await();
    if (result.exception != null)
        throw result.exception;
    return result.entries;
}