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CellStoreTrailerV5.h
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1 /* -*- c++ -*-
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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.
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17  * along with this program; if not, write to the Free Software
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20  */
21 
22 #ifndef HYPERTABLE_CELLSTORETRAILERV5_H
23 #define HYPERTABLE_CELLSTORETRAILERV5_H
24 
25 #include <boost/any.hpp>
26 
27 #include "CellStoreTrailer.h"
28 
29 namespace Hypertable {
30 
32  public:
34  virtual ~CellStoreTrailerV5() { return; }
35  virtual void clear();
36  virtual size_t size() { return 192; }
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;
46  int64_t index_entries;
47  int64_t total_entries;
48  int64_t filter_length;
53  int64_t blocksize;
54  int64_t revision;
55  int64_t timestamp_min;
56  int64_t timestamp_max;
57  int64_t expiration_time;
58  int64_t create_time;
59  int64_t expirable_data;
60  int64_t delete_count;
61  int64_t key_bytes;
62  int64_t value_bytes;
63  uint32_t table_id;
64  uint32_t table_generation;
65  uint32_t flags;
66  uint32_t alignment;
67  union {
70  };
71  uint16_t compression_type;
75  uint16_t version;
76 
77  enum Flags { INDEX_64BIT = 1,
79  SPLIT = 4
80  };
81 
82  boost::any get(const String& prop) {
83  if (prop == "version") return version;
84  else if (prop == "fix_index_offset") return fix_index_offset;
85  else if (prop == "var_index_offset") return var_index_offset;
86  else if (prop == "filter_offset") return filter_offset;
87  else if (prop == "replaced_files_offset") return replaced_files_offset;
88  else if (prop == "index_entries") return index_entries;
89  else if (prop == "total_entries") return total_entries;
90  else if (prop == "filter_length") return filter_length;
91  else if (prop == "filter_items_estimate") return filter_items_estimate;
92  else if (prop == "filter_items_actual") return filter_items_actual;
93  else if (prop == "replaced_files_length") return replaced_files_length;
94  else if (prop == "replaced_files_entries") return replaced_files_entries;
95  else if (prop == "blocksize") return blocksize;
96  else if (prop == "revision") return revision;
97  else if (prop == "timestamp_min") return timestamp_min;
98  else if (prop == "timestamp_max") return timestamp_max;
99  else if (prop == "expiration_time") return expiration_time;
100  else if (prop == "create_time") return create_time;
101  else if (prop == "expirable_data") return expirable_data;
102  else if (prop == "delete_count") return delete_count;
103  else if (prop == "key_bytes") return key_bytes;
104  else if (prop == "value_bytes") return value_bytes;
105  else if (prop == "table_id") return table_id;
106  else if (prop == "table_generation") return table_generation;
107  else if (prop == "flags") return flags;
108  else if (prop == "alignment") return alignment;
109  else if (prop == "compression_ratio") return compression_ratio;
110  else if (prop == "compression_type") return compression_type;
111  else if (prop == "bloom_filter_mode") return bloom_filter_mode;
112  else if (prop == "bloom_filter_hash_count") return bloom_filter_hash_count;
113  else return boost::any();
114  }
115 
116  };
117 
118 }
119 
120 #endif // HYPERTABLE_CELLSTORETRAILERV5_H
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 void serialize(uint8_t *buf)
Serializes this trailer to the given buffer;.
virtual size_t size()
Returns the serialized size of the trailer.
virtual void display(std::ostream &os)
Prints the trailer to the given ostream.
virtual void clear()
Clears the contents of this trailer;.
virtual void deserialize(const uint8_t *buf)
Deserializes the trailer from the given buffer.
Hypertable definitions