public List<Column> thriftifyColumns(Collection<IColumn> columns, boolean reverseOrder) {
if (columns == null || columns.isEmpty()) {
return EMPTY_COLUMNS;
}
ArrayList<Column> thriftColumns = new ArrayList<Column>(columns.size());
for (IColumn column : columns) {
if (column.isMarkedForDelete()) {
continue;
}
Column thrift_column = new Column(column.name(), column.value(), column.timestamp());
thriftColumns.add(thrift_column);
}
// we have to do the reversing here, since internally we pass results around in ColumnFamily
// objects, which always sort their columns in the "natural" order
if (reverseOrder) Collections.reverse(thriftColumns);
return thriftColumns;
}
private List<SuperColumn> thriftifySuperColumns(
Collection<IColumn> columns, boolean reverseOrder) {
if (columns == null || columns.isEmpty()) {
return EMPTY_SUPERCOLUMNS;
}
ArrayList<SuperColumn> thriftSuperColumns = new ArrayList<SuperColumn>(columns.size());
for (IColumn column : columns) {
List<Column> subcolumns = thriftifyColumns(column.getSubColumns());
if (subcolumns.isEmpty()) {
continue;
}
thriftSuperColumns.add(new SuperColumn(column.name(), subcolumns));
}
if (reverseOrder) Collections.reverse(thriftSuperColumns);
return thriftSuperColumns;
}