Examples with Transaction com.apple.foundationdb.Transaction used on opensource projects

Example 81 with Transaction

use of com.apple.foundationdb.Transaction in project fdb-record-layer by FoundationDB.

the class FDBRecordStoreStateCacheEntry method handleCachedState.

@Nonnull
CompletableFuture<Void> handleCachedState(@Nonnull FDBRecordContext context, @Nonnull FDBRecordStoreBase.StoreExistenceCheck existenceCheck) {
    final Transaction tr = context.ensureActive();
    tr.addReadConflictKey(subspace.pack(FDBRecordStoreKeyspace.STORE_INFO.key()));
    return FDBRecordStore.checkStoreHeader(recordStoreState.getStoreHeader(), context, subspaceProvider, subspace, existenceCheck);
}

Example 82 with Transaction

use of com.apple.foundationdb.Transaction in project lionrock by panghy.

the class TestFDBVersionstamp method testActualFDBGetVersionstamp.

/**
 * Check that actual FDB client also hangs when using runAsync with getVersionstamp.
 */
@Test
public void testActualFDBGetVersionstamp() {
    Database fdb = FDB.selectAPIVersion(630).open();
    CompletableFuture<byte[]> cf = fdb.runAsync(Transaction::getVersionstamp);
    assertFalse(cf.isDone());
}

Example 83 with Transaction

use of com.apple.foundationdb.Transaction in project lionrock by panghy.

the class RemoteDatabase method runAsync.

@Override
public <T> CompletableFuture<T> runAsync(String name, Function<? super Transaction, ? extends CompletableFuture<T>> retryable, Executor e) {
    final AtomicReference<Transaction> trRef = new AtomicReference<>(createTransaction(name, e));
    final AtomicReference<T> returnValue = new AtomicReference<>();
    return whileTrue(() -> composeHandleAsync(applySafely(retryable, trRef.get()).thenComposeAsync(returnVal -> trRef.get().commit().thenApply(o -> {
        returnValue.set(returnVal);
        return false;
    }), e), (value, t) -> {
        if (t == null) {
            return CompletableFuture.completedFuture(value);
        }
        if (!(t instanceof RuntimeException)) {
            throw new CompletionException(t);
        }
        return trRef.get().onError(t).thenApply(newTr -> {
            trRef.set(newTr);
            return true;
        });
    }, e), e).thenApply(o -> returnValue.get()).whenComplete((v, t) -> trRef.get().close());
}

Example 84 with Transaction

use of com.apple.foundationdb.Transaction in project bsv-components-library by bitcoin-sv.

the class BlockChainStoreFDB method start.

@Override
public void start() {
    super.start();
    // If the DB is empty, we initialize it with the Genesis block:
    if (getNumBlocks() == 0) {
        Transaction tr = createTransaction();
        executeInTransaction(tr, () -> _initGenesisBlock(tr, config.getGenesisBlock()));
    }
    // If enabled, we start the job to publish the DB State:
    if (statePublishFrequency != null)
        this.scheduledExecutorService.scheduleAtFixedRate(this::_publishState, statePublishFrequency.toMillis(), statePublishFrequency.toMillis(), TimeUnit.MILLISECONDS);
    // If enabled, we start the job to do the automatic Prunning:
    if (enableAutomaticForkPrunning)
        this.scheduledExecutorService.scheduleAtFixedRate(this::_automaticForkPrunning, forkPrunningFrequency.toMillis(), forkPrunningFrequency.toMillis(), TimeUnit.MILLISECONDS);
    // If enabled, we start the job to do the automatic ORPHAN Prunning:
    if (enableAutomaticOrphanPrunning)
        this.scheduledExecutorService.scheduleAtFixedRate(this::_automaticOrphanPrunning, orphanPrunningFrequency.toMillis(), orphanPrunningFrequency.toMillis(), TimeUnit.MILLISECONDS);
}