Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.RowIndexEntry$IndexSerializer

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     * @return null if the row was compacted away entirely; otherwise, the PK index entry for this row
     */
    public RowIndexEntry append(AbstractCompactedRow row)
    {
        long currentPosition = beforeAppend(row.key);
        RowIndexEntry entry;
        try
        {
            entry = row.write(currentPosition, dataFile.stream);
            if (entry == null)
                return null;
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    public void append(DecoratedKey decoratedKey, ColumnFamily cf)
    {
        long startPosition = beforeAppend(decoratedKey);
        try
        {
            RowIndexEntry entry = rawAppend(cf, startPosition, decoratedKey, dataFile.stream);
            afterAppend(decoratedKey, startPosition, entry);
        }
        catch (IOException e)
        {
            throw new FSWriteError(e, dataFile.getPath());
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        if (inclusiveUpperBoundOfReadableData == null)
            return null;
        int offset = 2;
        while (true)
        {
            RowIndexEntry indexEntry = sstable.getPosition(inclusiveUpperBoundOfReadableData, SSTableReader.Operator.GT);
            if (indexEntry != null && indexEntry.position <= dataFile.getLastFlushOffset())
                break;
            inclusiveUpperBoundOfReadableData = iwriter.getMaxReadableKey(offset++);
            if (inclusiveUpperBoundOfReadableData == null)
                return null;
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        assert columns != null;
        this.sstable = sstable;
        this.columns = columns;
        this.key = key;

        RowIndexEntry indexEntry = sstable.getPosition(key, SSTableReader.Operator.EQ);
        if (indexEntry == null)
            return;

        try
        {
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        public OnDiskAtomIterator next()
        {
            try
            {
                DecoratedKey currentKey;
                RowIndexEntry currentEntry;

                if (row == null)
                {
                    currentKey = sstable.decodeKey(ByteBufferUtil.readWithShortLength(ifile));
                    currentEntry = RowIndexEntry.serializer.deserialize(ifile, sstable.descriptor.version);
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    public class KeyCacheSerializer implements CacheSerializer<KeyCacheKey, RowIndexEntry>
    {
        public void serialize(KeyCacheKey key, DataOutput out) throws IOException
        {
            RowIndexEntry entry = CacheService.instance.keyCache.get(key);
            if (entry == null)
                return;
            ByteBufferUtil.writeWithLength(key.key, out);
            Descriptor desc = key.desc;
            out.writeInt(desc.generation);
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            if (reader == null)
            {
                RowIndexEntry.serializer.skipPromotedIndex(input);
                return null;
            }
            RowIndexEntry entry;
            if (input.readBoolean())
                entry = RowIndexEntry.serializer.deserialize(input, reader.descriptor.version);
            else
                entry = reader.getPosition(reader.partitioner.decorateKey(key), Operator.EQ);
            return Futures.immediateFuture(Pair.create(new KeyCacheKey(reader.descriptor, key), entry));
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            {
                DecoratedKey dk = cfs.partitioner.decorateKey(key);

                for (SSTableReader sstable : cfs.getSSTables())
                {
                    RowIndexEntry entry = sstable.getPosition(dk, Operator.EQ);
                    if (entry != null)
                        keyCache.put(new KeyCacheKey(sstable.descriptor, key), entry);
                }
            }
        }
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    public RowIndexEntry append(AbstractCompactedRow row)
    {
        // we do this before appending to ensure we can resetAndTruncate() safely if the append fails
        maybeReopenEarly(row.key);
        RowIndexEntry index = writer.append(row);
        if (!isOffline)
        {
            if (index == null)
            {
                cfs.invalidateCachedRow(row.key);
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        {
            if (isOffline)
            {
                for (SSTableReader reader : rewriting)
                {
                    RowIndexEntry index = reader.getPosition(key, SSTableReader.Operator.GE);
                    CLibrary.trySkipCache(fileDescriptors.get(reader.descriptor), 0, index == null ? 0 : index.position);
                }
            }
            else
            {
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Related Classes of org.apache.cassandra.db.RowIndexEntry$IndexSerializer

  • org.apache.cassandra.cache.ObjectSizeTest
  • org.apache.cassandra.db.columniterator.SSTableNamesIterator
  • org.apache.cassandra.db.columniterator.SSTableSliceIterator
  • org.apache.cassandra.db.compaction.CompactionTask
  • org.apache.cassandra.db.compaction.Upgrader
  • org.apache.cassandra.io.sstable.format.big.BigTableReader
  • org.apache.cassandra.io.sstable.format.big.SSTableSliceIterator
  • org.apache.cassandra.io.sstable.SSTableReader
  • org.apache.cassandra.io.sstable.SSTableRewriter
  • org.apache.cassandra.io.sstable.SSTableScanner
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