Examples with FileSystemClient org.locationtech.geowave.datastore.filesystem.util.FileSystemClient used on opensource projects

Example 1 with FileSystemClient

use of org.locationtech.geowave.datastore.filesystem.util.FileSystemClient in project geowave by locationtech.

the class FileSystemReader method createIterator.

private CloseableIterator<T> createIterator(final FileSystemClient client, final RangeReaderParams<T> readerParams, final GeoWaveRowIteratorTransformer<T> rowTransformer, final Collection<SinglePartitionQueryRanges> ranges, final Set<String> authorizations, final boolean async) {
    final Iterator<CloseableIterator> it = Arrays.stream(ArrayUtils.toObject(readerParams.getAdapterIds())).map(adapterId -> new FileSystemQueryExecution(client, adapterId, readerParams.getInternalAdapterStore().getTypeName(adapterId), readerParams.getIndex().getName(), client.getFormat(), rowTransformer, ranges, new ClientVisibilityFilter(authorizations), DataStoreUtils.isMergingIteratorRequired(readerParams, client.isVisibilityEnabled()), async, FileSystemUtils.isGroupByRowAndIsSortByTime(readerParams, adapterId), FileSystemUtils.isSortByKeyRequired(readerParams)).results()).iterator();
    final CloseableIterator<T>[] itArray = Iterators.toArray(it, CloseableIterator.class);
    return new CloseableIteratorWrapper<>(new Closeable() {

        AtomicBoolean closed = new AtomicBoolean(false);

        @Override
        public void close() throws IOException {
            if (!closed.getAndSet(true)) {
                Arrays.stream(itArray).forEach(it -> it.close());
            }
        }
    }, Iterators.concat(itArray));
}

Example 2 with FileSystemClient

use of org.locationtech.geowave.datastore.filesystem.util.FileSystemClient in project geowave by locationtech.

the class FileSystemReader method createIteratorForReader.

private CloseableIterator<T> createIteratorForReader(final FileSystemClient client, final ReaderParams<T> readerParams, final GeoWaveRowIteratorTransformer<T> rowTransformer, final boolean async) {
    final Collection<SinglePartitionQueryRanges> ranges = readerParams.getQueryRanges().getPartitionQueryRanges();
    final Set<String> authorizations = Sets.newHashSet(readerParams.getAdditionalAuthorizations());
    if ((ranges != null) && !ranges.isEmpty()) {
        return createIterator(client, readerParams, readerParams.getRowTransformer(), ranges, authorizations, async);
    } else {
        final List<CloseableIterator<GeoWaveRow>> iterators = new ArrayList<>();
        final IndexFormatter indexFormatter = DataFormatterCache.getInstance().getFormatter(client.getFormat(), client.isVisibilityEnabled()).getIndexFormatter();
        final String indexName = readerParams.getIndex().getName();
        for (final short adapterId : readerParams.getAdapterIds()) {
            final Pair<Boolean, Boolean> groupByRowAndSortByTime = FileSystemUtils.isGroupByRowAndIsSortByTime(readerParams, adapterId);
            final String typeName = readerParams.getInternalAdapterStore().getTypeName(adapterId);
            final String indexDirectory = indexFormatter.getDirectoryName(indexName, typeName);
            final Stream<CloseableIterator<GeoWaveRow>> streamIt = FileSystemUtils.getPartitions(FileSystemUtils.getSubdirectory(client.getSubDirectory(), indexDirectory), indexFormatter, indexName, typeName).stream().map(p -> FileSystemUtils.getIndexTable(client, adapterId, typeName, indexName, p.getBytes(), groupByRowAndSortByTime.getRight()).iterator());
            iterators.addAll(streamIt.collect(Collectors.toList()));
        }
        return wrapResults(new Closeable() {

            AtomicBoolean closed = new AtomicBoolean(false);

            @Override
            public void close() throws IOException {
                if (!closed.getAndSet(true)) {
                    iterators.forEach(it -> it.close());
                }
            }
        }, Iterators.concat(iterators.iterator()), readerParams, rowTransformer, authorizations, client.isVisibilityEnabled());
    }
}