gears/base/common/database2_versions_table.h - Issue 800: Database2Versions table, get/set version operations implemented

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Issue 800: Database2Versions table, get/set version operations implemented (Closed) SVN Base: http://google-gears.googlecode.com/svn/contrib/dimitri.glazkov/database2/

Patch Set: Created 3 months, 1 week ago

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	1 // Copyright 2008, Google Inc.

	2 //

	3 // Redistribution and use in source and binary forms, with or without

	4 // modification, are permitted provided that the following conditions are met:

	5 //

	6 // 1. Redistributions of source code must retain the above copyright notice,

	7 // this list of conditions and the following disclaimer.

	8 // 2. Redistributions in binary form must reproduce the above copyright notice,

	9 // this list of conditions and the following disclaimer in the documentation

	10 // and/or other materials provided with the distribution.

	11 // 3. Neither the name of Google Inc. nor the names of its contributors may be

	12 // used to endorse or promote products derived from this software without

	13 // specific prior written permission.

	14 //

	15 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED

	16 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

	17 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO

	18 // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

	19 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

	20 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;

	21 // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

	22 // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

	23 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF

	24 // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

	25

	26 #ifndef GEARS_BASE_COMMON_DATABASE2_VERSIONS_TABLE_H__

	27 #define GEARS_BASE_COMMON_DATABASE2_VERSIONS_TABLE_H__

	28

	29 #include "gears/base/common/sqlite_wrapper.h"

	30

	31 class Database2VersionsTable {
	Aaron 2008/05/19 15:33:50 I'd like to rename this class Database2MetaData. W I'd like to rename this class Database2MetaData. We'll rename the existing DatabaseNameTable to match (Database1MetaData). Dimitri 2008/05/20 03:07:08 On 2008/05/19 15:33:50, Aaron wrote: > I'd like to On 2008/05/19 15:33:50, Aaron wrote: > I'd like to rename this class Database2MetaData. We'll rename the existing > DatabaseNameTable to match (Database1MetaData). Done. One thought to consider: the DatabaseNameTable should probably still be used in Database2 because of the nice corruption/version rollover logic, and because it appears to be modeled as a cross-module, central metadata store for tables.
	32 public:

	33 Database2VersionsTable(SQLDatabase *db) : db_(db) {}

	34

	35 bool GetVersion(const std::string16 &origin,

	36 const std::string16 &name,

	37 std::string16 *version,

	38 bool *found);

	39

	40 bool SetVersion(const std::string16 &origin,

	41 const std::string16 &name,

	42 const std::string16 &version);

	43

	44 bool MaybeCreateTableLatestVersion();

	45

	46 private:

	47 SQLDatabase *db_;

	48

	49 DISALLOW_EVIL_CONSTRUCTORS(Database2VersionsTable);

	50 };

	51

	52 #endif // GEARS_BASE_COMMON_DATABASE2_VERSIONS_TABLE_H__

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