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

Example 1 with OpenReadOnlyCursorCallback

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

the class ManagedLedgerFactoryImpl method openReadOnlyCursor.

@Override
public ReadOnlyCursor openReadOnlyCursor(String managedLedgerName, Position startPosition, ManagedLedgerConfig config) throws InterruptedException, ManagedLedgerException {
    class Result {

        ReadOnlyCursor c = null;

        ManagedLedgerException e = null;
    }
    final Result r = new Result();
    final CountDownLatch latch = new CountDownLatch(1);
    asyncOpenReadOnlyCursor(managedLedgerName, startPosition, config, new OpenReadOnlyCursorCallback() {

        @Override
        public void openReadOnlyCursorComplete(ReadOnlyCursor cursor, Object ctx) {
            r.c = cursor;
            latch.countDown();
        }

        @Override
        public void openReadOnlyCursorFailed(ManagedLedgerException exception, Object ctx) {
            r.e = exception;
            latch.countDown();
        }
    }, null);
    latch.await();
    if (r.e != null) {
        throw r.e;
    }
    return r.c;
}

Example 2 with OpenReadOnlyCursorCallback

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

the class ManagedLedgerFactoryImpl method asyncOpenReadOnlyCursor.

@Override
public void asyncOpenReadOnlyCursor(String managedLedgerName, Position startPosition, ManagedLedgerConfig config, OpenReadOnlyCursorCallback callback, Object ctx) {
    if (closed) {
        callback.openReadOnlyCursorFailed(new ManagedLedgerException.ManagedLedgerFactoryClosedException(), ctx);
        return;
    }
    checkArgument(startPosition instanceof PositionImpl);
    ReadOnlyManagedLedgerImpl roManagedLedger = new ReadOnlyManagedLedgerImpl(this, bookkeeperFactory.get(new EnsemblePlacementPolicyConfig(config.getBookKeeperEnsemblePlacementPolicyClassName(), config.getBookKeeperEnsemblePlacementPolicyProperties())), store, config, scheduledExecutor, managedLedgerName);
    roManagedLedger.initializeAndCreateCursor((PositionImpl) startPosition).thenAccept(roCursor -> callback.openReadOnlyCursorComplete(roCursor, ctx)).exceptionally(ex -> {
        Throwable t = ex;
        if (t instanceof CompletionException) {
            t = ex.getCause();
        }
        if (t instanceof ManagedLedgerException) {
            callback.openReadOnlyCursorFailed((ManagedLedgerException) t, ctx);
        } else {
            callback.openReadOnlyCursorFailed(new ManagedLedgerException(t), ctx);
        }
        return null;
    });
}

Example 3 with OpenReadOnlyCursorCallback

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

the class ManagedLedgerFactoryImpl method openReadOnlyCursor.

@Override
public ReadOnlyCursor openReadOnlyCursor(String managedLedgerName, Position startPosition, ManagedLedgerConfig config) throws InterruptedException, ManagedLedgerException {
    class Result {

        ReadOnlyCursor c = null;

        ManagedLedgerException e = null;
    }
    final Result r = new Result();
    final CountDownLatch latch = new CountDownLatch(1);
    asyncOpenReadOnlyCursor(managedLedgerName, startPosition, config, new OpenReadOnlyCursorCallback() {

        @Override
        public void openReadOnlyCursorComplete(ReadOnlyCursor cursor, Object ctx) {
            r.c = cursor;
            latch.countDown();
        }

        @Override
        public void openReadOnlyCursorFailed(ManagedLedgerException exception, Object ctx) {
            r.e = exception;
            latch.countDown();
        }
    }, null);
    latch.await();
    if (r.e != null) {
        throw r.e;
    }
    return r.c;
}

Example 4 with OpenReadOnlyCursorCallback

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

the class ManagedLedgerFactoryImpl method asyncOpenReadOnlyCursor.

@Override
public void asyncOpenReadOnlyCursor(String managedLedgerName, Position startPosition, ManagedLedgerConfig config, OpenReadOnlyCursorCallback callback, Object ctx) {
    if (closed) {
        callback.openReadOnlyCursorFailed(new ManagedLedgerException.ManagedLedgerFactoryClosedException(), ctx);
        return;
    }
    checkArgument(startPosition instanceof PositionImpl);
    ReadOnlyManagedLedgerImpl roManagedLedger = new ReadOnlyManagedLedgerImpl(this, bookkeeperFactory.get(new EnsemblePlacementPolicyConfig(config.getBookKeeperEnsemblePlacementPolicyClassName(), config.getBookKeeperEnsemblePlacementPolicyProperties())), store, config, scheduledExecutor, managedLedgerName);
    roManagedLedger.initializeAndCreateCursor((PositionImpl) startPosition).thenAccept(roCursor -> callback.openReadOnlyCursorComplete(roCursor, ctx)).exceptionally(ex -> {
        Throwable t = ex;
        if (t instanceof CompletionException) {
            t = ex.getCause();
        }
        if (t instanceof ManagedLedgerException) {
            callback.openReadOnlyCursorFailed((ManagedLedgerException) t, ctx);
        } else {
            callback.openReadOnlyCursorFailed(new ManagedLedgerException(t), ctx);
        }
        return null;
    });
}

Example 5 with OpenReadOnlyCursorCallback

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

the class ManagedLedgerFactoryImpl method openReadOnlyCursor.

@Override
public ReadOnlyCursor openReadOnlyCursor(String managedLedgerName, Position startPosition, ManagedLedgerConfig config) throws InterruptedException, ManagedLedgerException {
    class Result {

        ReadOnlyCursor c = null;

        ManagedLedgerException e = null;
    }
    final Result r = new Result();
    final CountDownLatch latch = new CountDownLatch(1);
    asyncOpenReadOnlyCursor(managedLedgerName, startPosition, config, new OpenReadOnlyCursorCallback() {

        @Override
        public void openReadOnlyCursorComplete(ReadOnlyCursor cursor, Object ctx) {
            r.c = cursor;
            latch.countDown();
        }

        @Override
        public void openReadOnlyCursorFailed(ManagedLedgerException exception, Object ctx) {
            r.e = exception;
            latch.countDown();
        }
    }, null);
    latch.await();
    if (r.e != null) {
        throw r.e;
    }
    return r.c;
}