@Override public Map<Sha256Hash, Long> lookupStreamIdsByHash(Transaction t, final Set<Sha256Hash> hashes) { if (hashes.isEmpty()) { return ImmutableMap.of(); } SnapshotsStreamHashAidxTable idx = tables.getSnapshotsStreamHashAidxTable(t); Set<SnapshotsStreamHashAidxTable.SnapshotsStreamHashAidxRow> rows = getHashIndexRowsForHashes(hashes); Multimap<SnapshotsStreamHashAidxTable.SnapshotsStreamHashAidxRow, SnapshotsStreamHashAidxTable.SnapshotsStreamHashAidxColumnValue> m = idx.getRowsMultimap(rows); Map<Long, Sha256Hash> hashForStreams = Maps.newHashMap(); for (SnapshotsStreamHashAidxTable.SnapshotsStreamHashAidxRow r : m.keySet()) { for (SnapshotsStreamHashAidxTable.SnapshotsStreamHashAidxColumnValue 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; }
@Override public Map<Sha256Hash, Long> lookupStreamIdsByHash(Transaction t, final Set<Sha256Hash> hashes) { if (hashes.isEmpty()) { return ImmutableMap.of(); } SnapshotsStreamHashAidxTable idx = tables.getSnapshotsStreamHashAidxTable(t); Set<SnapshotsStreamHashAidxTable.SnapshotsStreamHashAidxRow> rows = getHashIndexRowsForHashes(hashes); Multimap<SnapshotsStreamHashAidxTable.SnapshotsStreamHashAidxRow, SnapshotsStreamHashAidxTable.SnapshotsStreamHashAidxColumnValue> m = idx.getRowsMultimap(rows); Map<Long, Sha256Hash> hashForStreams = Maps.newHashMap(); for (SnapshotsStreamHashAidxTable.SnapshotsStreamHashAidxRow r : m.keySet()) { for (SnapshotsStreamHashAidxTable.SnapshotsStreamHashAidxColumnValue 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; }