Examples with Nullable javax.annotation.Nullable used on opensource projects

Example 11 with Nullable

use of javax.annotation.Nullable in project druid by druid-io.

the class TimeseriesQueryQueryToolChest method getCacheStrategy.

@Override
public CacheStrategy<Result<TimeseriesResultValue>, Object, TimeseriesQuery> getCacheStrategy(final TimeseriesQuery query) {
    return new CacheStrategy<Result<TimeseriesResultValue>, Object, TimeseriesQuery>() {

        private final List<AggregatorFactory> aggs = query.getAggregatorSpecs();

        @Override
        public boolean isCacheable(TimeseriesQuery query, boolean willMergeRunners) {
            return true;
        }

        @Override
        public byte[] computeCacheKey(TimeseriesQuery query) {
            return new CacheKeyBuilder(TIMESERIES_QUERY).appendBoolean(query.isDescending()).appendBoolean(query.isSkipEmptyBuckets()).appendCacheable(query.getGranularity()).appendCacheable(query.getDimensionsFilter()).appendCacheablesIgnoringOrder(query.getAggregatorSpecs()).appendCacheable(query.getVirtualColumns()).build();
        }

        @Override
        public TypeReference<Object> getCacheObjectClazz() {
            return OBJECT_TYPE_REFERENCE;
        }

        @Override
        public Function<Result<TimeseriesResultValue>, Object> prepareForCache() {
            return new Function<Result<TimeseriesResultValue>, Object>() {

                @Override
                public Object apply(final Result<TimeseriesResultValue> input) {
                    TimeseriesResultValue results = input.getValue();
                    final List<Object> retVal = Lists.newArrayListWithCapacity(1 + aggs.size());
                    retVal.add(input.getTimestamp().getMillis());
                    for (AggregatorFactory agg : aggs) {
                        retVal.add(results.getMetric(agg.getName()));
                    }
                    return retVal;
                }
            };
        }

        @Override
        public Function<Object, Result<TimeseriesResultValue>> pullFromCache() {
            return new Function<Object, Result<TimeseriesResultValue>>() {

                private final Granularity granularity = query.getGranularity();

                @Override
                public Result<TimeseriesResultValue> apply(@Nullable Object input) {
                    List<Object> results = (List<Object>) input;
                    Map<String, Object> retVal = Maps.newLinkedHashMap();
                    Iterator<AggregatorFactory> aggsIter = aggs.iterator();
                    Iterator<Object> resultIter = results.iterator();
                    DateTime timestamp = granularity.toDateTime(((Number) resultIter.next()).longValue());
                    while (aggsIter.hasNext() && resultIter.hasNext()) {
                        final AggregatorFactory factory = aggsIter.next();
                        retVal.put(factory.getName(), factory.deserialize(resultIter.next()));
                    }
                    return new Result<TimeseriesResultValue>(timestamp, new TimeseriesResultValue(retVal));
                }
            };
        }
    };
}

Example 12 with Nullable

use of javax.annotation.Nullable in project druid by druid-io.

the class IncrementalIndexStorageAdapter method makeCursors.

@Override
public Sequence<Cursor> makeCursors(final Filter filter, final Interval interval, final VirtualColumns virtualColumns, final Granularity gran, final boolean descending) {
    if (index.isEmpty()) {
        return Sequences.empty();
    }
    Interval actualIntervalTmp = interval;
    final Interval dataInterval = new Interval(getMinTime().getMillis(), gran.bucketEnd(getMaxTime()).getMillis());
    if (!actualIntervalTmp.overlaps(dataInterval)) {
        return Sequences.empty();
    }
    if (actualIntervalTmp.getStart().isBefore(dataInterval.getStart())) {
        actualIntervalTmp = actualIntervalTmp.withStart(dataInterval.getStart());
    }
    if (actualIntervalTmp.getEnd().isAfter(dataInterval.getEnd())) {
        actualIntervalTmp = actualIntervalTmp.withEnd(dataInterval.getEnd());
    }
    final Interval actualInterval = actualIntervalTmp;
    Iterable<Interval> iterable = gran.getIterable(actualInterval);
    if (descending) {
        iterable = Lists.reverse(ImmutableList.copyOf(iterable));
    }
    return Sequences.map(Sequences.simple(iterable), new Function<Interval, Cursor>() {

        EntryHolder currEntry = new EntryHolder();

        @Override
        public Cursor apply(@Nullable final Interval interval) {
            final long timeStart = Math.max(interval.getStartMillis(), actualInterval.getStartMillis());
            return new Cursor() {

                private final ValueMatcher filterMatcher = makeFilterMatcher(filter, this);

                private Iterator<Map.Entry<IncrementalIndex.TimeAndDims, Integer>> baseIter;

                private Iterable<Map.Entry<IncrementalIndex.TimeAndDims, Integer>> cursorIterable;

                private boolean emptyRange;

                final DateTime time;

                int numAdvanced = -1;

                boolean done;

                {
                    cursorIterable = index.getFacts().timeRangeIterable(descending, timeStart, Math.min(actualInterval.getEndMillis(), gran.increment(interval.getStart()).getMillis()));
                    emptyRange = !cursorIterable.iterator().hasNext();
                    time = gran.toDateTime(interval.getStartMillis());
                    reset();
                }

                @Override
                public DateTime getTime() {
                    return time;
                }

                @Override
                public void advance() {
                    if (!baseIter.hasNext()) {
                        done = true;
                        return;
                    }
                    while (baseIter.hasNext()) {
                        BaseQuery.checkInterrupted();
                        currEntry.set(baseIter.next());
                        if (filterMatcher.matches()) {
                            return;
                        }
                    }
                    if (!filterMatcher.matches()) {
                        done = true;
                    }
                }

                @Override
                public void advanceUninterruptibly() {
                    if (!baseIter.hasNext()) {
                        done = true;
                        return;
                    }
                    while (baseIter.hasNext()) {
                        if (Thread.currentThread().isInterrupted()) {
                            return;
                        }
                        currEntry.set(baseIter.next());
                        if (filterMatcher.matches()) {
                            return;
                        }
                    }
                    if (!filterMatcher.matches()) {
                        done = true;
                    }
                }

                @Override
                public void advanceTo(int offset) {
                    int count = 0;
                    while (count < offset && !isDone()) {
                        advance();
                        count++;
                    }
                }

                @Override
                public boolean isDone() {
                    return done;
                }

                @Override
                public boolean isDoneOrInterrupted() {
                    return isDone() || Thread.currentThread().isInterrupted();
                }

                @Override
                public void reset() {
                    baseIter = cursorIterable.iterator();
                    if (numAdvanced == -1) {
                        numAdvanced = 0;
                    } else {
                        Iterators.advance(baseIter, numAdvanced);
                    }
                    BaseQuery.checkInterrupted();
                    boolean foundMatched = false;
                    while (baseIter.hasNext()) {
                        currEntry.set(baseIter.next());
                        if (filterMatcher.matches()) {
                            foundMatched = true;
                            break;
                        }
                        numAdvanced++;
                    }
                    done = !foundMatched && (emptyRange || !baseIter.hasNext());
                }

                @Override
                public DimensionSelector makeDimensionSelector(DimensionSpec dimensionSpec) {
                    if (virtualColumns.exists(dimensionSpec.getDimension())) {
                        return virtualColumns.makeDimensionSelector(dimensionSpec, this);
                    }
                    return dimensionSpec.decorate(makeDimensionSelectorUndecorated(dimensionSpec));
                }

                private DimensionSelector makeDimensionSelectorUndecorated(DimensionSpec dimensionSpec) {
                    final String dimension = dimensionSpec.getDimension();
                    final ExtractionFn extractionFn = dimensionSpec.getExtractionFn();
                    if (dimension.equals(Column.TIME_COLUMN_NAME)) {
                        DimensionSelector selector = new SingleScanTimeDimSelector(makeLongColumnSelector(dimension), extractionFn, descending);
                        return selector;
                    }
                    final IncrementalIndex.DimensionDesc dimensionDesc = index.getDimension(dimensionSpec.getDimension());
                    if (dimensionDesc == null) {
                        // not a dimension, column may be a metric
                        ColumnCapabilities capabilities = getColumnCapabilities(dimension);
                        if (capabilities == null) {
                            return NullDimensionSelector.instance();
                        }
                        if (capabilities.getType() == ValueType.LONG) {
                            return new LongWrappingDimensionSelector(makeLongColumnSelector(dimension), extractionFn);
                        }
                        if (capabilities.getType() == ValueType.FLOAT) {
                            return new FloatWrappingDimensionSelector(makeFloatColumnSelector(dimension), extractionFn);
                        }
                        // if we can't wrap the base column, just return a column of all nulls
                        return NullDimensionSelector.instance();
                    } else {
                        final DimensionIndexer indexer = dimensionDesc.getIndexer();
                        return indexer.makeDimensionSelector(dimensionSpec, currEntry, dimensionDesc);
                    }
                }

                @Override
                public FloatColumnSelector makeFloatColumnSelector(String columnName) {
                    if (virtualColumns.exists(columnName)) {
                        return virtualColumns.makeFloatColumnSelector(columnName, this);
                    }
                    final Integer dimIndex = index.getDimensionIndex(columnName);
                    if (dimIndex != null) {
                        final IncrementalIndex.DimensionDesc dimensionDesc = index.getDimension(columnName);
                        final DimensionIndexer indexer = dimensionDesc.getIndexer();
                        return indexer.makeFloatColumnSelector(currEntry, dimensionDesc);
                    }
                    final Integer metricIndexInt = index.getMetricIndex(columnName);
                    if (metricIndexInt == null) {
                        return ZeroFloatColumnSelector.instance();
                    }
                    final int metricIndex = metricIndexInt;
                    return new FloatColumnSelector() {

                        @Override
                        public float get() {
                            return index.getMetricFloatValue(currEntry.getValue(), metricIndex);
                        }

                        @Override
                        public void inspectRuntimeShape(RuntimeShapeInspector inspector) {
                            inspector.visit("index", index);
                        }
                    };
                }

                @Override
                public LongColumnSelector makeLongColumnSelector(String columnName) {
                    if (virtualColumns.exists(columnName)) {
                        return virtualColumns.makeLongColumnSelector(columnName, this);
                    }
                    if (columnName.equals(Column.TIME_COLUMN_NAME)) {
                        class TimeLongColumnSelector implements LongColumnSelector {

                            @Override
                            public long get() {
                                return currEntry.getKey().getTimestamp();
                            }

                            @Override
                            public void inspectRuntimeShape(RuntimeShapeInspector inspector) {
                            }
                        }
                        return new TimeLongColumnSelector();
                    }
                    final Integer dimIndex = index.getDimensionIndex(columnName);
                    if (dimIndex != null) {
                        final IncrementalIndex.DimensionDesc dimensionDesc = index.getDimension(columnName);
                        final DimensionIndexer indexer = dimensionDesc.getIndexer();
                        return indexer.makeLongColumnSelector(currEntry, dimensionDesc);
                    }
                    final Integer metricIndexInt = index.getMetricIndex(columnName);
                    if (metricIndexInt == null) {
                        return ZeroLongColumnSelector.instance();
                    }
                    final int metricIndex = metricIndexInt;
                    return new LongColumnSelector() {

                        @Override
                        public long get() {
                            return index.getMetricLongValue(currEntry.getValue(), metricIndex);
                        }

                        @Override
                        public void inspectRuntimeShape(RuntimeShapeInspector inspector) {
                            inspector.visit("index", index);
                        }
                    };
                }

                @Override
                public ObjectColumnSelector makeObjectColumnSelector(String column) {
                    if (virtualColumns.exists(column)) {
                        return virtualColumns.makeObjectColumnSelector(column, this);
                    }
                    if (column.equals(Column.TIME_COLUMN_NAME)) {
                        return new ObjectColumnSelector<Long>() {

                            @Override
                            public Class classOfObject() {
                                return Long.TYPE;
                            }

                            @Override
                            public Long get() {
                                return currEntry.getKey().getTimestamp();
                            }
                        };
                    }
                    final Integer metricIndexInt = index.getMetricIndex(column);
                    if (metricIndexInt != null) {
                        final int metricIndex = metricIndexInt;
                        final Class classOfObject = index.getMetricClass(column);
                        return new ObjectColumnSelector() {

                            @Override
                            public Class classOfObject() {
                                return classOfObject;
                            }

                            @Override
                            public Object get() {
                                return index.getMetricObjectValue(currEntry.getValue(), metricIndex);
                            }
                        };
                    }
                    IncrementalIndex.DimensionDesc dimensionDesc = index.getDimension(column);
                    if (dimensionDesc == null) {
                        return null;
                    } else {
                        final int dimensionIndex = dimensionDesc.getIndex();
                        final DimensionIndexer indexer = dimensionDesc.getIndexer();
                        return new ObjectColumnSelector<Object>() {

                            @Override
                            public Class classOfObject() {
                                return Object.class;
                            }

                            @Override
                            public Object get() {
                                IncrementalIndex.TimeAndDims key = currEntry.getKey();
                                if (key == null) {
                                    return null;
                                }
                                Object[] dims = key.getDims();
                                if (dimensionIndex >= dims.length) {
                                    return null;
                                }
                                return indexer.convertUnsortedEncodedKeyComponentToActualArrayOrList(dims[dimensionIndex], DimensionIndexer.ARRAY);
                            }
                        };
                    }
                }

                @Nullable
                @Override
                public ColumnCapabilities getColumnCapabilities(String columnName) {
                    if (virtualColumns.exists(columnName)) {
                        return virtualColumns.getColumnCapabilities(columnName);
                    }
                    return index.getCapabilities(columnName);
                }
            };
        }
    });
}

Example 13 with Nullable

use of javax.annotation.Nullable in project druid by druid-io.

the class FilteredAggregatorTest method makeColumnSelector.

private ColumnSelectorFactory makeColumnSelector(final TestFloatColumnSelector selector) {
    return new ColumnSelectorFactory() {

        @Override
        public DimensionSelector makeDimensionSelector(DimensionSpec dimensionSpec) {
            final String dimensionName = dimensionSpec.getDimension();
            final ExtractionFn extractionFn = dimensionSpec.getExtractionFn();
            if (dimensionName.equals("dim")) {
                return dimensionSpec.decorate(new DimensionSelector() {

                    @Override
                    public IndexedInts getRow() {
                        if (selector.getIndex() % 3 == 2) {
                            return ArrayBasedIndexedInts.of(new int[] { 1 });
                        } else {
                            return ArrayBasedIndexedInts.of(new int[] { 0 });
                        }
                    }

                    @Override
                    public ValueMatcher makeValueMatcher(String value) {
                        return DimensionSelectorUtils.makeValueMatcherGeneric(this, value);
                    }

                    @Override
                    public ValueMatcher makeValueMatcher(Predicate<String> predicate) {
                        return DimensionSelectorUtils.makeValueMatcherGeneric(this, predicate);
                    }

                    @Override
                    public int getValueCardinality() {
                        return 2;
                    }

                    @Override
                    public String lookupName(int id) {
                        switch(id) {
                            case 0:
                                return "a";
                            case 1:
                                return "b";
                            default:
                                throw new IllegalArgumentException();
                        }
                    }

                    @Override
                    public boolean nameLookupPossibleInAdvance() {
                        return true;
                    }

                    @Nullable
                    @Override
                    public IdLookup idLookup() {
                        return new IdLookup() {

                            @Override
                            public int lookupId(String name) {
                                switch(name) {
                                    case "a":
                                        return 0;
                                    case "b":
                                        return 1;
                                    default:
                                        throw new IllegalArgumentException();
                                }
                            }
                        };
                    }

                    @Override
                    public void inspectRuntimeShape(RuntimeShapeInspector inspector) {
                    }
                });
            } else {
                throw new UnsupportedOperationException();
            }
        }

        @Override
        public LongColumnSelector makeLongColumnSelector(String columnName) {
            throw new UnsupportedOperationException();
        }

        @Override
        public FloatColumnSelector makeFloatColumnSelector(String columnName) {
            if (columnName.equals("value")) {
                return selector;
            } else {
                throw new UnsupportedOperationException();
            }
        }

        @Override
        public ObjectColumnSelector makeObjectColumnSelector(String columnName) {
            throw new UnsupportedOperationException();
        }

        @Override
        public ColumnCapabilities getColumnCapabilities(String columnName) {
            ColumnCapabilitiesImpl caps;
            if (columnName.equals("value")) {
                caps = new ColumnCapabilitiesImpl();
                caps.setType(ValueType.FLOAT);
                caps.setDictionaryEncoded(false);
                caps.setHasBitmapIndexes(false);
            } else {
                caps = new ColumnCapabilitiesImpl();
                caps.setType(ValueType.STRING);
                caps.setDictionaryEncoded(true);
                caps.setHasBitmapIndexes(true);
            }
            return caps;
        }
    };
}

Example 14 with Nullable

use of javax.annotation.Nullable in project druid by druid-io.

the class IndexIOTest method constructionFeeder.

@Parameterized.Parameters
public static Iterable<Object[]> constructionFeeder() {
    final Map<String, Object> map = ImmutableMap.<String, Object>of();
    final Map<String, Object> map00 = ImmutableMap.<String, Object>of("dim0", ImmutableList.<String>of("dim00", "dim01"));
    final Map<String, Object> map10 = ImmutableMap.<String, Object>of("dim1", "dim10");
    final Map<String, Object> map0null = new HashMap<>();
    map0null.put("dim0", null);
    final Map<String, Object> map1null = new HashMap<>();
    map1null.put("dim1", null);
    final Map<String, Object> mapAll = ImmutableMap.<String, Object>of("dim0", ImmutableList.<String>of("dim00", "dim01"), "dim1", "dim10");
    final List<Map<String, Object>> maps = ImmutableList.of(map, map00, map10, map0null, map1null, mapAll);
    return Iterables.<Object[]>concat(// First iterable tests permutations of the maps which are expected to be equal
    Iterables.<Object[]>concat(new Iterable<Iterable<Object[]>>() {

        @Override
        public Iterator<Iterable<Object[]>> iterator() {
            return new Iterator<Iterable<Object[]>>() {

                long nextBitset = 1L;

                @Override
                public boolean hasNext() {
                    return nextBitset < (1L << maps.size());
                }

                @Override
                public Iterable<Object[]> next() {
                    final BitSet bitset = BitSet.valueOf(new long[] { nextBitset++ });
                    final List<Map<String, Object>> myMaps = filterByBitset(maps, bitset);
                    return Collections2.transform(Collections2.permutations(myMaps), new Function<List<Map<String, Object>>, Object[]>() {

                        @Nullable
                        @Override
                        public Object[] apply(List<Map<String, Object>> input) {
                            return new Object[] { input, input, null };
                        }
                    });
                }

                @Override
                public void remove() {
                    throw new UOE("Remove not suported");
                }
            };
        }
    }), // Second iterable tests combinations of the maps which may or may not be equal
    Iterables.<Object[]>concat(new Iterable<Iterable<Object[]>>() {

        @Override
        public Iterator<Iterable<Object[]>> iterator() {
            return new Iterator<Iterable<Object[]>>() {

                long nextMap1Bits = 1L;

                @Override
                public boolean hasNext() {
                    return nextMap1Bits < (1L << maps.size());
                }

                @Override
                public Iterable<Object[]> next() {
                    final BitSet bitset1 = BitSet.valueOf(new long[] { nextMap1Bits++ });
                    final List<Map<String, Object>> maplist1 = filterByBitset(maps, bitset1);
                    return new Iterable<Object[]>() {

                        @Override
                        public Iterator<Object[]> iterator() {
                            return new Iterator<Object[]>() {

                                long nextMap2Bits = 1L;

                                @Override
                                public boolean hasNext() {
                                    return nextMap2Bits < (1L << maps.size());
                                }

                                @Override
                                public Object[] next() {
                                    final List<Map<String, Object>> maplist2 = filterByBitset(maps, BitSet.valueOf(new long[] { nextMap2Bits++ }));
                                    return new Object[] { maplist1, maplist2, filterNullValues(maplist1).equals(filterNullValues(maplist2)) ? null : SegmentValidationException.class };
                                }

                                @Override
                                public void remove() {
                                    throw new UOE("remove not supported");
                                }
                            };
                        }
                    };
                }

                @Override
                public void remove() {
                    throw new UOE("Remove not supported");
                }
            };
        }
    }));
}

Example 15 with Nullable

use of javax.annotation.Nullable in project hive by apache.

the class DruidStorageHandler method commitCreateTable.

@Override
public void commitCreateTable(Table table) throws MetaException {
    if (MetaStoreUtils.isExternalTable(table)) {
        return;
    }
    Lifecycle lifecycle = new Lifecycle();
    LOG.info(String.format("Committing table [%s] to the druid metastore", table.getDbName()));
    final Path tableDir = getSegmentDescriptorDir();
    try {
        List<DataSegment> segmentList = DruidStorageHandlerUtils.getPublishedSegments(tableDir, getConf());
        LOG.info(String.format("Found [%d] segments under path [%s]", segmentList.size(), tableDir));
        druidSqlMetadataStorageUpdaterJobHandler.publishSegments(druidMetadataStorageTablesConfig.getSegmentsTable(), segmentList, DruidStorageHandlerUtils.JSON_MAPPER);
        final String coordinatorAddress = HiveConf.getVar(getConf(), HiveConf.ConfVars.HIVE_DRUID_COORDINATOR_DEFAULT_ADDRESS);
        int maxTries = HiveConf.getIntVar(getConf(), HiveConf.ConfVars.HIVE_DRUID_MAX_TRIES);
        final String dataSourceName = table.getParameters().get(Constants.DRUID_DATA_SOURCE);
        LOG.info(String.format("checking load status from coordinator [%s]", coordinatorAddress));
        // check if the coordinator is up
        httpClient = makeHttpClient(lifecycle);
        try {
            lifecycle.start();
        } catch (Exception e) {
            Throwables.propagate(e);
        }
        String coordinatorResponse = null;
        try {
            coordinatorResponse = RetryUtils.retry(new Callable<String>() {

                @Override
                public String call() throws Exception {
                    return DruidStorageHandlerUtils.getURL(httpClient, new URL(String.format("http://%s/status", coordinatorAddress)));
                }
            }, new Predicate<Throwable>() {

                @Override
                public boolean apply(@Nullable Throwable input) {
                    return input instanceof IOException;
                }
            }, maxTries);
        } catch (Exception e) {
            console.printInfo("Will skip waiting for data loading");
            return;
        }
        if (Strings.isNullOrEmpty(coordinatorResponse)) {
            console.printInfo("Will skip waiting for data loading");
            return;
        }
        console.printInfo(String.format("Waiting for the loading of [%s] segments", segmentList.size()));
        long passiveWaitTimeMs = HiveConf.getLongVar(getConf(), HiveConf.ConfVars.HIVE_DRUID_PASSIVE_WAIT_TIME);
        ImmutableSet<URL> setOfUrls = FluentIterable.from(segmentList).transform(new Function<DataSegment, URL>() {

            @Override
            public URL apply(DataSegment dataSegment) {
                try {
                    //Need to make sure that we are using UTC since most of the druid cluster use UTC by default
                    return new URL(String.format("http://%s/druid/coordinator/v1/datasources/%s/segments/%s", coordinatorAddress, dataSourceName, DataSegment.makeDataSegmentIdentifier(dataSegment.getDataSource(), new DateTime(dataSegment.getInterval().getStartMillis(), DateTimeZone.UTC), new DateTime(dataSegment.getInterval().getEndMillis(), DateTimeZone.UTC), dataSegment.getVersion(), dataSegment.getShardSpec())));
                } catch (MalformedURLException e) {
                    Throwables.propagate(e);
                }
                return null;
            }
        }).toSet();
        int numRetries = 0;
        while (numRetries++ < maxTries && !setOfUrls.isEmpty()) {
            setOfUrls = ImmutableSet.copyOf(Sets.filter(setOfUrls, new Predicate<URL>() {

                @Override
                public boolean apply(URL input) {
                    try {
                        String result = DruidStorageHandlerUtils.getURL(httpClient, input);
                        LOG.debug(String.format("Checking segment [%s] response is [%s]", input, result));
                        return Strings.isNullOrEmpty(result);
                    } catch (IOException e) {
                        LOG.error(String.format("Error while checking URL [%s]", input), e);
                        return true;
                    }
                }
            }));
            try {
                if (!setOfUrls.isEmpty()) {
                    Thread.sleep(passiveWaitTimeMs);
                }
            } catch (InterruptedException e) {
                Thread.interrupted();
                Throwables.propagate(e);
            }
        }
        if (!setOfUrls.isEmpty()) {
            // We are not Throwing an exception since it might be a transient issue that is blocking loading
            console.printError(String.format("Wait time exhausted and we have [%s] out of [%s] segments not loaded yet", setOfUrls.size(), segmentList.size()));
        }
    } catch (IOException e) {
        LOG.error("Exception while commit", e);
        Throwables.propagate(e);
    } finally {
        cleanWorkingDir();
        lifecycle.stop();
    }
}