public static ByteBuffer serializeForSSTable(ColumnFamily cf) {
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(baos);
DeletionInfo.serializer().serializeForSSTable(cf.deletionInfo(), dos);
dos.writeInt(cf.getColumnCount());
new ColumnIndex.Builder(cf, ByteBufferUtil.EMPTY_BYTE_BUFFER, dos).build(cf);
return ByteBuffer.wrap(baos.toByteArray());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public static ColumnFamily cloneAndRemoveDeleted(ColumnFamily cf, int gcBefore) {
return ColumnFamilyStore.removeDeleted(cf.cloneMe(), gcBefore);
}
public static SuperColumn superColumn(ColumnFamily cf, String name, Column... columns) {
SuperColumn sc = new SuperColumn(ByteBufferUtil.bytes(name), cf.metadata().comparator);
for (Column c : columns) sc.addColumn(c);
return sc;
}