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CellStoreTrailerV4.h
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1 /* -*- c++ -*-
2  * Copyright (C) 2007-2015 Hypertable, Inc.
3  *
4  * This file is part of Hypertable.
5  *
6  * Hypertable is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; version 3 of the
9  * License.
10  *
11  * Hypertable is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19  * 02110-1301, USA.
20  */
21 
22 #ifndef HYPERTABLE_CELLSTORETRAILERV4_H
23 #define HYPERTABLE_CELLSTORETRAILERV4_H
24 
25 #include <boost/any.hpp>
26 
27 #include "CellStoreTrailer.h"
28 
29 namespace Hypertable {
30 
32  public:
34  virtual ~CellStoreTrailerV4() { return; }
35  virtual void clear();
36  virtual size_t size() { return 148; }
37  virtual void serialize(uint8_t *buf);
38  virtual void deserialize(const uint8_t *buf);
39  virtual void display(std::ostream &os);
40  virtual void display_multiline(std::ostream &os);
41 
44  int64_t filter_offset;
45  int64_t index_entries;
46  int64_t total_entries;
47  int64_t filter_length;
50  int64_t blocksize;
51  int64_t revision;
52  int64_t timestamp_min;
53  int64_t timestamp_max;
54  int64_t expiration_time;
55  int64_t create_time;
56  int64_t expirable_data;
57  uint32_t table_id;
58  uint32_t table_generation;
59  uint32_t flags;
60  uint32_t alignment;
61  union {
64  };
65  uint16_t compression_type;
69  uint16_t version;
70 
71  enum Flags { INDEX_64BIT = 1,
73  SPLIT = 4
74  };
75 
76  boost::any get(const String& prop) {
77  if (prop == "version") return version;
78  else if (prop == "fix_index_offset") return fix_index_offset;
79  else if (prop == "var_index_offset") return var_index_offset;
80  else if (prop == "filter_offset") return filter_offset;
81  else if (prop == "index_entries") return index_entries;
82  else if (prop == "total_entries") return total_entries;
83  else if (prop == "filter_length") return filter_length;
84  else if (prop == "filter_items_estimate") return filter_items_estimate;
85  else if (prop == "filter_items_actual") return filter_items_actual;
86  else if (prop == "blocksize") return blocksize;
87  else if (prop == "revision") return revision;
88  else if (prop == "timestamp_min") return timestamp_min;
89  else if (prop == "timestamp_max") return timestamp_max;
90  else if (prop == "expiration_time") return expiration_time;
91  else if (prop == "create_time") return create_time;
92  else if (prop == "expirable_data") return expirable_data;
93  else if (prop == "table_id") return table_id;
94  else if (prop == "table_generation") return table_generation;
95  else if (prop == "flags") return flags;
96  else if (prop == "alignment") return alignment;
97  else if (prop == "compression_ratio") return compression_ratio;
98  else if (prop == "compression_type") return compression_type;
99  else if (prop == "bloom_filter_mode") return bloom_filter_mode;
100  else if (prop == "bloom_filter_hash_count") return bloom_filter_hash_count;
101  else return boost::any();
102  }
103 
104  };
105 
106 }
107 
108 #endif // HYPERTABLE_CELLSTORETRAILERV4_H
virtual void clear()
Clears the contents of this trailer;.
virtual void display(std::ostream &os)
Prints the trailer to the given ostream.
Abstract base class for cell store trailer.
std::string String
A String is simply a typedef to std::string.
Definition: String.h:44
virtual void display_multiline(std::ostream &os)
Prints the trailer, one member per line, to the given ostream.
virtual size_t size()
Returns the serialized size of the trailer.
virtual void serialize(uint8_t *buf)
Serializes this trailer to the given buffer;.
Hypertable definitions
virtual void deserialize(const uint8_t *buf)
Deserializes the trailer from the given buffer.