Examples with State org.apache.bookkeeper.mledger.impl.ManagedLedgerImpl.State used on opensource projects

Example 1 with State

use of org.apache.bookkeeper.mledger.impl.ManagedLedgerImpl.State in project pulsar by yahoo.

the class ManagedLedgerFactoryImpl method asyncOpen.

@Override
public void asyncOpen(final String name, final ManagedLedgerConfig config, final OpenLedgerCallback callback, final Object ctx) {
    // If the ledger state is bad, remove it from the map.
    CompletableFuture<ManagedLedgerImpl> existingFuture = ledgers.get(name);
    if (existingFuture != null && existingFuture.isDone()) {
        try {
            ManagedLedgerImpl l = existingFuture.get();
            if (l.getState().equals(State.Fenced.toString()) || l.getState().equals(State.Closed.toString())) {
                // Managed ledger is in unusable state. Recreate it.
                log.warn("[{}] Attempted to open ledger in {} state. Removing from the map to recreate it", name, l.getState());
                ledgers.remove(name, existingFuture);
            }
        } catch (Exception e) {
            // Unable to get the future
            log.warn("[{}] Got exception while trying to retrieve ledger", name, e);
        }
    }
    // Ensure only one managed ledger is created and initialized
    ledgers.computeIfAbsent(name, (mlName) -> {
        // Create the managed ledger
        CompletableFuture<ManagedLedgerImpl> future = new CompletableFuture<>();
        final ManagedLedgerImpl newledger = new ManagedLedgerImpl(this, bookKeeper, store, config, executor, orderedExecutor, name);
        newledger.initialize(new ManagedLedgerInitializeLedgerCallback() {

            @Override
            public void initializeComplete() {
                future.complete(newledger);
            }

            @Override
            public void initializeFailed(ManagedLedgerException e) {
                // Clean the map if initialization fails
                ledgers.remove(name, future);
                future.completeExceptionally(e);
            }
        }, null);
        return future;
    }).thenAccept(ml -> {
        callback.openLedgerComplete(ml, ctx);
    }).exceptionally(exception -> {
        callback.openLedgerFailed((ManagedLedgerException) exception.getCause(), ctx);
        return null;
    });
}