Examples with NullLog org.neo4j.logging.NullLog used on opensource projects

Example 1 with NullLog

use of org.neo4j.logging.NullLog in project neo4j by neo4j.

the class BatchingNeoStoresTest method someDataInTheDatabase.

private void someDataInTheDatabase(Config config) throws Exception {
    NullLog nullLog = NullLog.getInstance();
    try (JobScheduler scheduler = JobSchedulerFactory.createInitialisedScheduler();
        PageCache pageCache = new ConfiguringPageCacheFactory(fileSystem, Config.defaults(), PageCacheTracer.NULL, nullLog, scheduler, Clocks.nanoClock(), new MemoryPools()).getOrCreatePageCache();
        Lifespan life = new Lifespan()) {
        // TODO this little dance with TokenHolders is really annoying and must be solved with a better abstraction
        DeferredInitializedTokenCreator propertyKeyTokenCreator = new DeferredInitializedTokenCreator() {

            @Override
            void create(String name, boolean internal, int id) {
                txState.propertyKeyDoCreateForName(name, internal, id);
            }
        };
        DeferredInitializedTokenCreator labelTokenCreator = new DeferredInitializedTokenCreator() {

            @Override
            void create(String name, boolean internal, int id) {
                txState.labelDoCreateForName(name, internal, id);
            }
        };
        DeferredInitializedTokenCreator relationshipTypeTokenCreator = new DeferredInitializedTokenCreator() {

            @Override
            void create(String name, boolean internal, int id) {
                txState.relationshipTypeDoCreateForName(name, internal, id);
            }
        };
        TokenHolders tokenHolders = new TokenHolders(new DelegatingTokenHolder(propertyKeyTokenCreator, TokenHolder.TYPE_PROPERTY_KEY), new DelegatingTokenHolder(labelTokenCreator, TokenHolder.TYPE_LABEL), new DelegatingTokenHolder(relationshipTypeTokenCreator, TokenHolder.TYPE_RELATIONSHIP_TYPE));
        IndexConfigCompleter indexConfigCompleter = index -> index;
        RecoveryCleanupWorkCollector recoveryCleanupWorkCollector = immediate();
        RecordStorageEngine storageEngine = life.add(new RecordStorageEngine(databaseLayout, Config.defaults(), pageCache, fileSystem, NullLogProvider.getInstance(), tokenHolders, new DatabaseSchemaState(NullLogProvider.getInstance()), new StandardConstraintSemantics(), indexConfigCompleter, LockService.NO_LOCK_SERVICE, new DatabaseHealth(PanicEventGenerator.NO_OP, nullLog), new DefaultIdGeneratorFactory(fileSystem, immediate(), DEFAULT_DATABASE_NAME), new DefaultIdController(), recoveryCleanupWorkCollector, PageCacheTracer.NULL, true, INSTANCE, writable(), CommandLockVerification.Factory.IGNORE, LockVerificationMonitor.Factory.IGNORE));
        // Create the relationship type token
        TxState txState = new TxState();
        NeoStores neoStores = storageEngine.testAccessNeoStores();
        CommandCreationContext commandCreationContext = storageEngine.newCommandCreationContext(INSTANCE);
        commandCreationContext.initialize(NULL);
        propertyKeyTokenCreator.initialize(neoStores.getPropertyKeyTokenStore(), txState);
        labelTokenCreator.initialize(neoStores.getLabelTokenStore(), txState);
        relationshipTypeTokenCreator.initialize(neoStores.getRelationshipTypeTokenStore(), txState);
        int relTypeId = tokenHolders.relationshipTypeTokens().getOrCreateId(RELTYPE.name());
        apply(txState, commandCreationContext, storageEngine);
        // Finally, we're initialized and ready to create two nodes and a relationship
        txState = new TxState();
        long node1 = commandCreationContext.reserveNode();
        long node2 = commandCreationContext.reserveNode();
        txState.nodeDoCreate(node1);
        txState.nodeDoCreate(node2);
        txState.relationshipDoCreate(commandCreationContext.reserveRelationship(), relTypeId, node1, node2);
        apply(txState, commandCreationContext, storageEngine);
        neoStores.flush(NULL);
    }
}

Example 2 with NullLog

use of org.neo4j.logging.NullLog in project neo4j by neo4j.

the class IntArrayTest method arrayFactories.

private static Iterator<NumberArrayFactory> arrayFactories() {
    PageCache pageCache = fixture.pageCache;
    Path dir = fixture.directory;
    NullLog log = NullLog.getInstance();
    NumberArrayFactory autoWithPageCacheFallback = NumberArrayFactories.auto(pageCache, NULL, dir, true, NumberArrayFactories.NO_MONITOR, log, DEFAULT_DATABASE_NAME);
    NumberArrayFactory pageCacheArrayFactory = new PageCachedNumberArrayFactory(pageCache, NULL, dir, log, DEFAULT_DATABASE_NAME);
    return Iterators.iterator(NumberArrayFactories.HEAP, NumberArrayFactories.OFF_HEAP, autoWithPageCacheFallback, pageCacheArrayFactory);
}

Example 3 with NullLog

use of org.neo4j.logging.NullLog in project neo4j by neo4j.

the class ByteArrayTest method argumentsProvider.

private static Stream<Arguments> argumentsProvider() throws IOException {
    fixture = prepareDirectoryAndPageCache(ByteArrayTest.class);
    PageCache pageCache = fixture.pageCache;
    Path dir = fixture.directory;
    NullLog log = NullLog.getInstance();
    NumberArrayFactory autoWithPageCacheFallback = NumberArrayFactories.auto(pageCache, NULL, dir, true, NO_MONITOR, log, DEFAULT_DATABASE_NAME);
    NumberArrayFactory pageCacheArrayFactory = new PageCachedNumberArrayFactory(pageCache, NULL, dir, log, DEFAULT_DATABASE_NAME);
    int chunkSize = LENGTH / ChunkedNumberArrayFactory.MAGIC_CHUNK_COUNT;
    return Stream.of(Arguments.of(NumberArrayFactories.HEAP.newByteArray(LENGTH, DEFAULT, INSTANCE)), Arguments.of(NumberArrayFactories.HEAP.newDynamicByteArray(chunkSize, DEFAULT, INSTANCE)), Arguments.of(NumberArrayFactories.OFF_HEAP.newByteArray(LENGTH, DEFAULT, INSTANCE)), Arguments.of(NumberArrayFactories.OFF_HEAP.newDynamicByteArray(chunkSize, DEFAULT, INSTANCE)), Arguments.of(NumberArrayFactories.AUTO_WITHOUT_PAGECACHE.newByteArray(LENGTH, DEFAULT, INSTANCE)), Arguments.of(NumberArrayFactories.AUTO_WITHOUT_PAGECACHE.newDynamicByteArray(chunkSize, DEFAULT, INSTANCE)), Arguments.of(autoWithPageCacheFallback.newByteArray(LENGTH, DEFAULT, INSTANCE)), Arguments.of(autoWithPageCacheFallback.newDynamicByteArray(chunkSize, DEFAULT, INSTANCE)), Arguments.of(pageCacheArrayFactory.newByteArray(LENGTH, DEFAULT, INSTANCE)), Arguments.of(pageCacheArrayFactory.newDynamicByteArray(chunkSize, DEFAULT, INSTANCE)));
}

Example 4 with NullLog

use of org.neo4j.logging.NullLog in project neo4j by neo4j.

the class NumberArrayTest method arrays.

public static Collection<NumberArrayTestData> arrays() {
    PageCache pageCache = fixture.pageCache;
    Path dir = fixture.directory;
    NullLog log = NullLog.getInstance();
    Collection<NumberArrayTestData> list = new ArrayList<>();
    Map<String, NumberArrayFactory> factories = new HashMap<>();
    factories.put("HEAP", NumberArrayFactories.HEAP);
    factories.put("OFF_HEAP", NumberArrayFactories.OFF_HEAP);
    factories.put("AUTO_WITHOUT_PAGECACHE", NumberArrayFactories.AUTO_WITHOUT_PAGECACHE);
    factories.put("CHUNKED_FIXED_SIZE", NumberArrayFactories.CHUNKED_FIXED_SIZE);
    factories.put("autoWithPageCacheFallback", NumberArrayFactories.auto(pageCache, NULL, dir, true, NO_MONITOR, log, DEFAULT_DATABASE_NAME));
    factories.put("PageCachedNumberArrayFactory", new PageCachedNumberArrayFactory(pageCache, NULL, dir, log, DEFAULT_DATABASE_NAME));
    for (Map.Entry<String, NumberArrayFactory> entry : factories.entrySet()) {
        String name = entry.getKey() + " => ";
        NumberArrayFactory factory = entry.getValue();
        list.add(arrayData(name + "IntArray", factory.newIntArray(INDEXES, -1, INSTANCE), random -> random.nextInt(1_000_000_000), (array, index, value) -> array.set(index, (Integer) value), IntArray::get));
        list.add(arrayData(name + "DynamicIntArray", factory.newDynamicIntArray(CHUNK_SIZE, -1, INSTANCE), random -> random.nextInt(1_000_000_000), (array, index, value) -> array.set(index, (Integer) value), IntArray::get));
        list.add(arrayData(name + "LongArray", factory.newLongArray(INDEXES, -1, INSTANCE), random -> random.nextLong(1_000_000_000), (array, index, value) -> array.set(index, (Long) value), LongArray::get));
        list.add(arrayData(name + "DynamicLongArray", factory.newDynamicLongArray(CHUNK_SIZE, -1, INSTANCE), random -> random.nextLong(1_000_000_000), (array, index, value) -> array.set(index, (Long) value), LongArray::get));
        list.add(arrayData(name + "ByteArray5", factory.newByteArray(INDEXES, defaultByteArray(5), INSTANCE), random -> random.nextInt(1_000_000_000), (array, index, value) -> array.setInt(index, 1, (Integer) value), (array, index) -> array.getInt(index, 1)));
        list.add(arrayData(name + "DynamicByteArray5", factory.newDynamicByteArray(CHUNK_SIZE, defaultByteArray(5), INSTANCE), random -> random.nextInt(1_000_000_000), (array, index, value) -> array.setInt(index, 1, (Integer) value), (array, index) -> array.getInt(index, 1)));
        Function<RandomRule, Object> valueGenerator = random -> new long[] { random.nextLong(), random.nextInt(), (short) random.nextInt(), (byte) random.nextInt() };
        Writer<ByteArray> writer = (array, index, value) -> {
            long[] values = (long[]) value;
            array.setLong(index, 0, values[0]);
            array.setInt(index, 8, (int) values[1]);
            array.setShort(index, 12, (short) values[2]);
            array.setByte(index, 14, (byte) values[3]);
        };
        Reader<ByteArray> reader = (array, index) -> new long[] { array.getLong(index, 0), array.getInt(index, 8), array.getShort(index, 12), array.getByte(index, 14) };
        list.add(arrayData(name + "ByteArray15", factory.newByteArray(INDEXES, defaultByteArray(15), INSTANCE), valueGenerator, writer, reader));
        list.add(arrayData(name + "DynamicByteArray15", factory.newDynamicByteArray(CHUNK_SIZE, defaultByteArray(15), INSTANCE), valueGenerator, writer, reader));
    }
    return list;
}

Example 5 with NullLog

use of org.neo4j.logging.NullLog in project neo4j by neo4j.

the class LongArrayTest method arrayFactories.

private static Iterator<NumberArrayFactory> arrayFactories() {
    PageCache pageCache = fixture.pageCache;
    Path dir = fixture.directory;
    NullLog log = NullLog.getInstance();
    NumberArrayFactory autoWithPageCacheFallback = NumberArrayFactories.auto(pageCache, NULL, dir, true, NumberArrayFactories.NO_MONITOR, log, DEFAULT_DATABASE_NAME);
    NumberArrayFactory pageCacheArrayFactory = new PageCachedNumberArrayFactory(pageCache, NULL, dir, log, DEFAULT_DATABASE_NAME);
    return Iterators.iterator(NumberArrayFactories.HEAP, NumberArrayFactories.OFF_HEAP, autoWithPageCacheFallback, pageCacheArrayFactory);
}