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

Example 16 with StreamMetadata

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

the class StreamTestWithHashStreamStore method putMetadataAndHashIndexTask.

@Override
protected void putMetadataAndHashIndexTask(Transaction t, Map<Long, StreamMetadata> streamIdsToMetadata) {
    StreamTestWithHashStreamMetadataTable mdTable = tables.getStreamTestWithHashStreamMetadataTable(t);
    Map<Long, StreamMetadata> prevMetadatas = getMetadata(t, streamIdsToMetadata.keySet());
    Map<StreamTestWithHashStreamMetadataTable.StreamTestWithHashStreamMetadataRow, StreamMetadata> rowsToStoredMetadata = Maps.newHashMap();
    Map<StreamTestWithHashStreamMetadataTable.StreamTestWithHashStreamMetadataRow, 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(StreamTestWithHashStreamMetadataTable.StreamTestWithHashStreamMetadataRow.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(StreamTestWithHashStreamMetadataTable.StreamTestWithHashStreamMetadataRow.of(streamId), metadata);
        }
    }
    putHashIndexTask(t, rowsToStoredMetadata);
    Map<StreamTestWithHashStreamMetadataTable.StreamTestWithHashStreamMetadataRow, StreamMetadata> rowsToMetadata = Maps.newHashMap();
    rowsToMetadata.putAll(rowsToStoredMetadata);
    rowsToMetadata.putAll(rowsToUnstoredMetadata);
    mdTable.putMetadata(rowsToMetadata);
}

Example 17 with StreamMetadata

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

the class UserPhotosStreamStore method touchMetadataWhileStoringForConflicts.

private void touchMetadataWhileStoringForConflicts(Transaction t, Long id, long blockNumber) {
    UserPhotosStreamMetadataTable metaTable = tables.getUserPhotosStreamMetadataTable(t);
    UserPhotosStreamMetadataTable.UserPhotosStreamMetadataRow row = UserPhotosStreamMetadataTable.UserPhotosStreamMetadataRow.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: %s", id);
    Builder builder = StreamMetadata.newBuilder(metadata);
    builder.setLength(blockNumber * BLOCK_SIZE_IN_BYTES + 1);
    metaTable.putMetadata(row, builder.build());
}

Example 18 with StreamMetadata

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

the class UserPhotosStreamStore method lookupStreamIdsByHash.

@Override
public Map<Sha256Hash, Long> lookupStreamIdsByHash(Transaction t, final Set<Sha256Hash> hashes) {
    if (hashes.isEmpty()) {
        return ImmutableMap.of();
    }
    UserPhotosStreamHashAidxTable idx = tables.getUserPhotosStreamHashAidxTable(t);
    Set<UserPhotosStreamHashAidxTable.UserPhotosStreamHashAidxRow> rows = getHashIndexRowsForHashes(hashes);
    Multimap<UserPhotosStreamHashAidxTable.UserPhotosStreamHashAidxRow, UserPhotosStreamHashAidxTable.UserPhotosStreamHashAidxColumnValue> m = idx.getRowsMultimap(rows);
    Map<Long, Sha256Hash> hashForStreams = Maps.newHashMap();
    for (UserPhotosStreamHashAidxTable.UserPhotosStreamHashAidxRow r : m.keySet()) {
        for (UserPhotosStreamHashAidxTable.UserPhotosStreamHashAidxColumnValue 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 19 with StreamMetadata

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

the class UserPhotosStreamStore method putHashIndexTask.

private void putHashIndexTask(Transaction t, Map<UserPhotosStreamMetadataTable.UserPhotosStreamMetadataRow, StreamMetadata> rowsToMetadata) {
    Multimap<UserPhotosStreamHashAidxTable.UserPhotosStreamHashAidxRow, UserPhotosStreamHashAidxTable.UserPhotosStreamHashAidxColumnValue> indexMap = HashMultimap.create();
    for (Entry<UserPhotosStreamMetadataTable.UserPhotosStreamMetadataRow, StreamMetadata> e : rowsToMetadata.entrySet()) {
        UserPhotosStreamMetadataTable.UserPhotosStreamMetadataRow row = e.getKey();
        StreamMetadata metadata = e.getValue();
        Preconditions.checkArgument(metadata.getStatus() == Status.STORED, "Should only index successfully stored streams.");
        Sha256Hash hash = Sha256Hash.EMPTY;
        if (metadata.getHash() != com.google.protobuf.ByteString.EMPTY) {
            hash = new Sha256Hash(metadata.getHash().toByteArray());
        }
        UserPhotosStreamHashAidxTable.UserPhotosStreamHashAidxRow hashRow = UserPhotosStreamHashAidxTable.UserPhotosStreamHashAidxRow.of(hash);
        UserPhotosStreamHashAidxTable.UserPhotosStreamHashAidxColumn column = UserPhotosStreamHashAidxTable.UserPhotosStreamHashAidxColumn.of(row.getId());
        UserPhotosStreamHashAidxTable.UserPhotosStreamHashAidxColumnValue columnValue = UserPhotosStreamHashAidxTable.UserPhotosStreamHashAidxColumnValue.of(column, 0L);
        indexMap.put(hashRow, columnValue);
    }
    UserPhotosStreamHashAidxTable hiTable = tables.getUserPhotosStreamHashAidxTable(t);
    hiTable.put(indexMap);
}

Example 20 with StreamMetadata

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

the class AbstractGenericStreamStore method loadSingleStream.

@Override
public Optional<InputStream> loadSingleStream(Transaction transaction, final T id) {
    Map<T, StreamMetadata> idToMetadata = getMetadata(transaction, ImmutableSet.of(id));
    if (idToMetadata.isEmpty()) {
        return Optional.empty();
    }
    StreamMetadata metadata = getOnlyStreamMetadata(idToMetadata);
    return Optional.of(getStream(transaction, id, metadata));
}