How to use

isIndexed

method

in

org.apache.cassandra.db.RowIndexEntry

protected Reader createReaderInternal(RowIndexEntry indexEntry, FileDataInput file, boolean shouldCloseFile)
{
  return indexEntry.isIndexed()
     ? new ForwardIndexedReader(indexEntry, file, shouldCloseFile)
     : new ForwardReader(file, shouldCloseFile);
}

protected Reader createReaderInternal(RowIndexEntry indexEntry, FileDataInput file, boolean shouldCloseFile)
{
  return indexEntry.isIndexed()
     ? new ReverseIndexedReader(indexEntry, file, shouldCloseFile)
     : new ReverseReader(file, shouldCloseFile);
}

protected Reader createReaderInternal(RowIndexEntry indexEntry, FileDataInput file, boolean shouldCloseFile)
{
  return indexEntry.isIndexed()
     ? new ReverseIndexedReader(indexEntry, file, shouldCloseFile)
     : new ReverseReader(file, shouldCloseFile);
}

protected Reader createReaderInternal(RowIndexEntry indexEntry, FileDataInput file, boolean shouldCloseFile)
{
  return indexEntry.isIndexed()
     ? new ForwardIndexedReader(indexEntry, file, shouldCloseFile)
     : new ForwardReader(file, shouldCloseFile);
}

protected Reader createReaderInternal(RowIndexEntry indexEntry, FileDataInput file, boolean shouldCloseFile)
{
  return indexEntry.isIndexed()
     ? new ForwardIndexedReader(indexEntry, file, shouldCloseFile)
     : new ForwardReader(file, shouldCloseFile);
}

protected Reader createReaderInternal(RowIndexEntry indexEntry, FileDataInput file, boolean shouldCloseFile)
{
  return indexEntry.isIndexed()
     ? new ForwardIndexedReader(indexEntry, file, shouldCloseFile)
     : new ForwardReader(file, shouldCloseFile);
}

protected Reader createReaderInternal(RowIndexEntry indexEntry, FileDataInput file, boolean shouldCloseFile)
{
  return indexEntry.isIndexed()
     ? new ReverseIndexedReader(indexEntry, file, shouldCloseFile)
     : new ReverseReader(file, shouldCloseFile);
}

  public int serializedSize(RowIndexEntry rie)
  {
    int size = TypeSizes.NATIVE.sizeof(rie.position) + TypeSizes.NATIVE.sizeof(rie.promotedSize(type));
    if (rie.isIndexed())
    {
      List<IndexHelper.IndexInfo> index = rie.columnsIndex();
      size += DeletionTime.serializer.serializedSize(rie.deletionTime(), TypeSizes.NATIVE);
      size += TypeSizes.NATIVE.sizeof(index.size());
      ISerializer<IndexHelper.IndexInfo> idxSerializer = type.indexSerializer();
      for (IndexHelper.IndexInfo info : index)
        size += idxSerializer.serializedSize(info, TypeSizes.NATIVE);
    }
    return size;
  }
}

public void serialize(RowIndexEntry rie, DataOutputPlus out) throws IOException
{
  out.writeLong(rie.position);
  out.writeInt(rie.promotedSize(type));
  if (rie.isIndexed())
  {
    DeletionTime.serializer.serialize(rie.deletionTime(), out);
    out.writeInt(rie.columnsIndex().size());
    ISerializer<IndexHelper.IndexInfo> idxSerializer = type.indexSerializer();
    for (IndexHelper.IndexInfo info : rie.columnsIndex())
      idxSerializer.serialize(info, out);
  }
}

if (!indexEntry.isIndexed())
if (!indexEntry.isIndexed())

boolean needSeekAtPartitionStart = !indexEntry.isIndexed() || !columns.fetchedColumns().statics.isEmpty();

boolean needSeekAtPartitionStart = !indexEntry.isIndexed() || !columns.fetchedColumns().statics.isEmpty();

boolean needSeekAtPartitionStart = !indexEntry.isIndexed() || !columns.fetchedColumns().statics.isEmpty();

boolean needSeekAtPartitionStart = !indexEntry.isIndexed() || !columns.fetchedColumns().statics.isEmpty();