Examples with FDBDatabaseFactoryImpl com.apple.foundationdb.record.provider.foundationdb.FDBDatabaseFactoryImpl used on opensource projects

Example 1 with FDBDatabaseFactoryImpl

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

the class LocatableResolverTest method testParallelDbAndScopeGetVersion.

@Test
public void testParallelDbAndScopeGetVersion() {
    // version is cached for 30 seconds by default
    database.setResolverStateRefreshTimeMillis(100);
    // sets the timeout for all the db instances we create
    final FDBDatabaseFactory parallelFactory = new FDBDatabaseFactoryImpl();
    parallelFactory.setStateRefreshTimeMillis(100);
    Supplier<FDBDatabase> databaseSupplier = () -> new FDBDatabase(parallelFactory, null);
    consistently("uninitialized version is 0", () -> {
        try (FDBRecordContext context = database.openContext()) {
            return globalScope.getVersion(context.getTimer()).join();
        }
    }, is(0), 200, 10);
    List<Pair<FDBDatabase, LocatableResolver>> simulatedInstances = IntStream.range(0, 20).mapToObj(i -> {
        FDBDatabase db = databaseSupplier.get();
        return Pair.of(db, resolverFactory.getGlobalScope(db));
    }).collect(Collectors.toList());
    Supplier<CompletableFuture<Set<Integer>>> supplier = () -> {
        List<CompletableFuture<Integer>> parallelOperations = simulatedInstances.stream().map(pair -> {
            FDBDatabase db = pair.getKey();
            LocatableResolver resolver = pair.getValue();
            FDBRecordContext context = db.openContext();
            return resolver.getVersion(context.getTimer()).whenComplete((ignore, e) -> context.close());
        }).collect(Collectors.toList());
        return AsyncUtil.getAll(parallelOperations).thenApply(HashSet::new);
    };
    consistently("all instances report the version as 0", () -> supplier.get().join(), is(Collections.singleton(0)), 200, 10);
    globalScope.incrementVersion().join();
    eventually("all instances report the new version once the caches have refreshed", () -> supplier.get().join(), is(Collections.singleton(1)), 120, 10);
}