1/**
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19#ifndef ORC_COLUMN_PRINTER_HH
20#define ORC_COLUMN_PRINTER_HH
21
22#include "orc/orc-config.hh"
23#include "orc/OrcFile.hh"
24#include "orc/Vector.hh"
25
26#include <stdio.h>
27#include <string>
28#include <memory>
29#include <string>
30#include <vector>
31
32namespace orc {
33
34 class ColumnPrinter {
35 protected:
36 std::string &buffer;
37 bool hasNulls ;
38 const char* notNull;
39
40 public:
41 ColumnPrinter(std::string&);
42 virtual ~ColumnPrinter();
43 virtual void printRow(uint64_t rowId) = 0;
44 // should be called once at the start of each batch of rows
45 virtual void reset(const ColumnVectorBatch& batch);
46 };
47
48 ORC_UNIQUE_PTR<ColumnPrinter> createColumnPrinter(std::string&,
49 const Type* type);
50}
51#endif
52