Examples with ManagedLedgerFencedException org.apache.bookkeeper.mledger.ManagedLedgerException.ManagedLedgerFencedException used on opensource projects

Example 11 with ManagedLedgerFencedException

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

the class ManagedLedgerImpl method asyncAddEntry.

@Override
public synchronized void asyncAddEntry(ByteBuf buffer, AddEntryCallback callback, Object ctx) {
    if (log.isDebugEnabled()) {
        log.debug("[{}] asyncAddEntry size={} state={}", name, buffer.readableBytes(), state);
    }
    final State state = STATE_UPDATER.get(this);
    if (state == State.Fenced) {
        callback.addFailed(new ManagedLedgerFencedException(), ctx);
        return;
    } else if (state == State.Terminated) {
        callback.addFailed(new ManagedLedgerTerminatedException("Managed ledger was already terminated"), ctx);
        return;
    } else if (state == State.Closed) {
        callback.addFailed(new ManagedLedgerException("Managed ledger was already closed"), ctx);
        return;
    }
    OpAddEntry addOperation = OpAddEntry.create(this, buffer, callback, ctx);
    pendingAddEntries.add(addOperation);
    if (state == State.ClosingLedger || state == State.CreatingLedger) {
        // We are waiting for a new ledger to be created
        if (log.isDebugEnabled()) {
            log.debug("[{}] Queue addEntry request", name);
        }
    } else if (state == State.ClosedLedger) {
        long now = System.currentTimeMillis();
        if (now < lastLedgerCreationFailureTimestamp + WaitTimeAfterLedgerCreationFailureMs) {
            // Deny the write request, since we haven't waited enough time since last attempt to create a new ledger
            pendingAddEntries.remove(addOperation);
            callback.addFailed(new ManagedLedgerException("Waiting for new ledger creation to complete"), ctx);
            return;
        }
        // No ledger and no pending operations. Create a new ledger
        if (log.isDebugEnabled()) {
            log.debug("[{}] Creating a new ledger", name);
        }
        if (STATE_UPDATER.compareAndSet(this, State.ClosedLedger, State.CreatingLedger)) {
            this.lastLedgerCreationInitiationTimestamp = System.nanoTime();
            mbean.startDataLedgerCreateOp();
            bookKeeper.asyncCreateLedger(config.getEnsembleSize(), config.getWriteQuorumSize(), config.getAckQuorumSize(), config.getDigestType(), config.getPassword(), this, ctx, Collections.emptyMap());
        }
    } else {
        checkArgument(state == State.LedgerOpened, "ledger=%s is not opened", state);
        // Write into lastLedger
        addOperation.setLedger(currentLedger);
        ++currentLedgerEntries;
        currentLedgerSize += buffer.readableBytes();
        if (log.isDebugEnabled()) {
            log.debug("[{}] Write into current ledger lh={} entries={}", name, currentLedger.getId(), currentLedgerEntries);
        }
        if (currentLedgerIsFull()) {
            if (log.isDebugEnabled()) {
                log.debug("[{}] Closing current ledger lh={}", name, currentLedger.getId());
            }
            // This entry will be the last added to current ledger
            addOperation.setCloseWhenDone(true);
            STATE_UPDATER.set(this, State.ClosingLedger);
        }
        addOperation.initiate();
    }
}

Example 12 with ManagedLedgerFencedException

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

the class ManagedLedgerImpl method asyncReadEntries.

void asyncReadEntries(OpReadEntry opReadEntry) {
    final State state = STATE_UPDATER.get(this);
    if (state == State.Fenced || state == State.Closed) {
        opReadEntry.readEntriesFailed(new ManagedLedgerFencedException(), opReadEntry.ctx);
        return;
    }
    long ledgerId = opReadEntry.readPosition.getLedgerId();
    LedgerHandle currentLedger = this.currentLedger;
    if (ledgerId == currentLedger.getId()) {
        // Current writing ledger is not in the cache (since we don't want
        // it to be automatically evicted), and we cannot use 2 different
        // ledger handles (read & write)for the same ledger.
        internalReadFromLedger(currentLedger, opReadEntry);
    } else {
        LedgerInfo ledgerInfo = ledgers.get(ledgerId);
        if (ledgerInfo == null || ledgerInfo.getEntries() == 0) {
            // Cursor is pointing to a empty ledger, there's no need to try opening it. Skip this ledger and
            // move to the next one
            opReadEntry.updateReadPosition(new PositionImpl(opReadEntry.readPosition.getLedgerId() + 1, 0));
            opReadEntry.checkReadCompletion();
            return;
        }
        // Get a ledger handle to read from
        getLedgerHandle(ledgerId).thenAccept(ledger -> {
            internalReadFromLedger(ledger, opReadEntry);
        }).exceptionally(ex -> {
            log.error("[{}] Error opening ledger for reading at position {} - {}", name, opReadEntry.readPosition, ex.getMessage());
            opReadEntry.readEntriesFailed(ManagedLedgerException.getManagedLedgerException(ex.getCause()), opReadEntry.ctx);
            return null;
        });
    }
}