Examples with StateStoreClosedException org.apache.bookkeeper.statelib.api.exceptions.StateStoreClosedException used on opensource projects

Example 1 with StateStoreClosedException

use of org.apache.bookkeeper.statelib.api.exceptions.StateStoreClosedException in project bookkeeper by apache.

the class AbstractStateStoreWithJournal method getLastDLSN.

private CompletableFuture<DLSN> getLastDLSN(StateStoreSpec spec) {
    synchronized (this) {
        if (null != closeFuture) {
            return FutureUtils.exception(new StateStoreClosedException(name()));
        }
    }
    try {
        logManager = logNamespace.openLog(spec.getStream());
    } catch (IOException e) {
        return FutureUtils.exception(e);
    }
    CompletableFuture<DLSN> future = FutureUtils.createFuture();
    logManager.getLastDLSNAsync().whenCompleteAsync(new FutureEventListener<DLSN>() {

        @Override
        public void onSuccess(DLSN dlsn) {
            future.complete(dlsn);
        }

        @Override
        public void onFailure(Throwable throwable) {
            if (throwable instanceof LogEmptyException || throwable instanceof LogNotFoundException) {
                FutureUtils.proxyTo(writeCatchUpMarker(), future);
            } else {
                future.completeExceptionally(throwable);
            }
        }
    });
    return future;
}

Example 2 with StateStoreClosedException

use of org.apache.bookkeeper.statelib.api.exceptions.StateStoreClosedException in project bookkeeper by apache.

the class AbstractStateStoreWithJournal method initializeJournalWriter.

private CompletableFuture<DLSN> initializeJournalWriter(StateStoreSpec spec) {
    synchronized (this) {
        if (null != closeFuture) {
            return FutureUtils.exception(new StateStoreClosedException(name()));
        }
    }
    try {
        logManager = logNamespace.openLog(spec.getStream());
    } catch (IOException e) {
        return FutureUtils.exception(e);
    }
    return logManager.openAsyncLogWriter().thenComposeAsync(w -> {
        synchronized (this) {
            writer = w;
            nextRevision = writer.getLastTxId();
            if (nextRevision < 0) {
                nextRevision = 0L;
            }
            log.info("Initialized the journal writer for mvcc store {} : last revision = {}", name(), nextRevision);
        }
        return writeCommandBuf(newCatchupMarker());
    }, writeIOScheduler);
}

Example 3 with StateStoreClosedException

use of org.apache.bookkeeper.statelib.api.exceptions.StateStoreClosedException in project bookkeeper by apache.

the class AbstractStateStoreWithJournal method executeIO.

private <T> CompletableFuture<T> executeIO(ScheduledExecutorService scheduler, Callable<T> callable) {
    synchronized (this) {
        if (null != closeFuture) {
            return FutureUtils.exception(new StateStoreClosedException(name()));
        }
    }
    CompletableFuture<T> future = FutureUtils.createFuture();
    scheduler.submit(() -> {
        try {
            T value = callable.call();
            future.complete(value);
        } catch (Exception e) {
            future.completeExceptionally(e);
        }
    });
    return future;
}