Examples with StreamMetadata com.palantir.atlasdb.protos.generated.StreamPersistence.StreamMetadata used on opensource projects

Example 26 with StreamMetadata

use of com.palantir.atlasdb.protos.generated.StreamPersistence.StreamMetadata in project atlasdb by palantir.

the class ValueStreamStore method touchMetadataWhileStoringForConflicts.

private void touchMetadataWhileStoringForConflicts(Transaction t, Long id, long blockNumber) {
    ValueStreamMetadataTable metaTable = tables.getValueStreamMetadataTable(t);
    ValueStreamMetadataTable.ValueStreamMetadataRow row = ValueStreamMetadataTable.ValueStreamMetadataRow.of(id);
    StreamMetadata metadata = metaTable.getMetadatas(ImmutableSet.of(row)).values().iterator().next();
    Preconditions.checkState(metadata.getStatus() == Status.STORING, "This stream is being cleaned up while storing blocks: " + id);
    Builder builder = StreamMetadata.newBuilder(metadata);
    builder.setLength(blockNumber * BLOCK_SIZE_IN_BYTES + 1);
    metaTable.putMetadata(row, builder.build());
}

Example 27 with StreamMetadata

use of com.palantir.atlasdb.protos.generated.StreamPersistence.StreamMetadata in project atlasdb by palantir.

the class AbstractPersistentStreamStore method storeStreams.

@Override
public Map<Long, Sha256Hash> storeStreams(final Transaction tx, final Map<Long, InputStream> streams) {
    if (streams.isEmpty()) {
        return ImmutableMap.of();
    }
    Map<Long, StreamMetadata> idsToEmptyMetadata = Maps.transformValues(streams, Functions.constant(getEmptyMetadata()));
    putMetadataAndHashIndexTask(tx, idsToEmptyMetadata);
    Map<Long, StreamMetadata> idsToMetadata = Maps.transformEntries(streams, (id, stream) -> storeBlocksAndGetFinalMetadata(tx, id, stream));
    putMetadataAndHashIndexTask(tx, idsToMetadata);
    Map<Long, Sha256Hash> hashes = Maps.transformValues(idsToMetadata, metadata -> new Sha256Hash(metadata.getHash().toByteArray()));
    return hashes;
}

Example 28 with StreamMetadata

use of com.palantir.atlasdb.protos.generated.StreamPersistence.StreamMetadata in project atlasdb by palantir.

the class DataMetadataCleanupTask method cellsCleanedUp.

@Override
public boolean cellsCleanedUp(Transaction t, Set<Cell> cells) {
    DataStreamMetadataTable metaTable = tables.getDataStreamMetadataTable(t);
    Collection<DataStreamMetadataTable.DataStreamMetadataRow> rows = Lists.newArrayListWithCapacity(cells.size());
    for (Cell cell : cells) {
        rows.add(DataStreamMetadataTable.DataStreamMetadataRow.BYTES_HYDRATOR.hydrateFromBytes(cell.getRowName()));
    }
    Map<DataStreamMetadataTable.DataStreamMetadataRow, StreamMetadata> currentMetadata = metaTable.getMetadatas(rows);
    Set<Long> toDelete = Sets.newHashSet();
    for (Map.Entry<DataStreamMetadataTable.DataStreamMetadataRow, StreamMetadata> e : currentMetadata.entrySet()) {
        if (e.getValue().getStatus() != Status.STORED) {
            toDelete.add(e.getKey().getId());
        }
    }
    DataStreamStore.of(tables).deleteStreams(t, toDelete);
    return false;
}

Example 29 with StreamMetadata

use of com.palantir.atlasdb.protos.generated.StreamPersistence.StreamMetadata in project atlasdb by palantir.

the class DataStreamStore method lookupStreamIdsByHash.

@Override
public Map<Sha256Hash, Long> lookupStreamIdsByHash(Transaction t, final Set<Sha256Hash> hashes) {
    if (hashes.isEmpty()) {
        return ImmutableMap.of();
    }
    DataStreamHashAidxTable idx = tables.getDataStreamHashAidxTable(t);
    Set<DataStreamHashAidxTable.DataStreamHashAidxRow> rows = getHashIndexRowsForHashes(hashes);
    Multimap<DataStreamHashAidxTable.DataStreamHashAidxRow, DataStreamHashAidxTable.DataStreamHashAidxColumnValue> m = idx.getRowsMultimap(rows);
    Map<Long, Sha256Hash> hashForStreams = Maps.newHashMap();
    for (DataStreamHashAidxTable.DataStreamHashAidxRow r : m.keySet()) {
        for (DataStreamHashAidxTable.DataStreamHashAidxColumnValue v : m.get(r)) {
            Long streamId = v.getColumnName().getStreamId();
            Sha256Hash hash = r.getHash();
            if (hashForStreams.containsKey(streamId)) {
                AssertUtils.assertAndLog(log, hashForStreams.get(streamId).equals(hash), "(BUG) Stream ID has 2 different hashes: " + streamId);
            }
            hashForStreams.put(streamId, hash);
        }
    }
    Map<Long, StreamMetadata> metadata = getMetadata(t, hashForStreams.keySet());
    Map<Sha256Hash, Long> ret = Maps.newHashMap();
    for (Map.Entry<Long, StreamMetadata> e : metadata.entrySet()) {
        if (e.getValue().getStatus() != Status.STORED) {
            continue;
        }
        Sha256Hash hash = hashForStreams.get(e.getKey());
        ret.put(hash, e.getKey());
    }
    return ret;
}

Example 30 with StreamMetadata

use of com.palantir.atlasdb.protos.generated.StreamPersistence.StreamMetadata in project atlasdb by palantir.

the class DataStreamStore method putMetadataAndHashIndexTask.

@Override
protected void putMetadataAndHashIndexTask(Transaction t, Map<Long, StreamMetadata> streamIdsToMetadata) {
    DataStreamMetadataTable mdTable = tables.getDataStreamMetadataTable(t);
    Map<Long, StreamMetadata> prevMetadatas = getMetadata(t, streamIdsToMetadata.keySet());
    Map<DataStreamMetadataTable.DataStreamMetadataRow, StreamMetadata> rowsToStoredMetadata = Maps.newHashMap();
    Map<DataStreamMetadataTable.DataStreamMetadataRow, StreamMetadata> rowsToUnstoredMetadata = Maps.newHashMap();
    for (Entry<Long, StreamMetadata> e : streamIdsToMetadata.entrySet()) {
        long streamId = e.getKey();
        StreamMetadata metadata = e.getValue();
        StreamMetadata prevMetadata = prevMetadatas.get(streamId);
        if (metadata.getStatus() == Status.STORED) {
            if (prevMetadata == null || prevMetadata.getStatus() != Status.STORING) {
                // This can happen if we cleanup old streams.
                throw new TransactionFailedRetriableException("Cannot mark a stream as stored that isn't currently storing: " + prevMetadata);
            }
            rowsToStoredMetadata.put(DataStreamMetadataTable.DataStreamMetadataRow.of(streamId), metadata);
        } else if (metadata.getStatus() == Status.STORING) {
            // This will prevent two users trying to store the same id.
            if (prevMetadata != null) {
                throw new TransactionFailedRetriableException("Cannot reuse the same stream id: " + streamId);
            }
            rowsToUnstoredMetadata.put(DataStreamMetadataTable.DataStreamMetadataRow.of(streamId), metadata);
        }
    }
    putHashIndexTask(t, rowsToStoredMetadata);
    Map<DataStreamMetadataTable.DataStreamMetadataRow, StreamMetadata> rowsToMetadata = Maps.newHashMap();
    rowsToMetadata.putAll(rowsToStoredMetadata);
    rowsToMetadata.putAll(rowsToUnstoredMetadata);
    mdTable.putMetadata(rowsToMetadata);
}