DataStore Class Reference

A simple database object. More...

#include <datastore.h>

Inheritance diagram for DataStore:

Public Member Functions
	DataStore (unsigned char *database, const PercyServerParams *params)
	Constructor. More...
virtual	~DataStore ()
	Destructor. More...
const unsigned char *	get_data () const
	Get a pointer to the database in memory. More...
void	set_database (unsigned char *data=NULL)
	Change the database pointer. More...
vector< DataStore * >	get_worker_datastores () const
	Get the database objects for the threads/workers. More...
DataStore *	get_worker_datastore (nservers_t worker_index) const
	Get the database object for a thread/worker. More...

Protected Attributes
const PercyServerParams *	serverparams
	Parameters for the server. More...
const PercyParams *	params
	Parameters for the protocol. More...
dbsize_t	block_size
	Size of each database block in bytes. More...
dbsize_t	num_blocks
	Number of blocks in the database. More...
dbsize_t	database_size
	Total size of the database in bytes. More...
nservers_t	num_workers
	Number of threads/workers. More...
std::vector< dbsize_t >	subdb_offsets
	The distance from the beginning of the database that each thread/worker's portion of the database begins. More...
std::vector< DataStore * >	subdatastores
	The database objects for the threads/workers. More...

Detailed Description

A simple database object.

Stores a database that is a contiguous block of memory.

Constructor & Destructor Documentation

DataStore	(	unsigned char *	database,
		const PercyServerParams *	params
	)

Constructor.

Parameters

database	A pointer to the database in memory.
params	The server parameters.

virtual ~DataStore ( )

virtual

Destructor.

Member Function Documentation

const unsigned char* get_data ( ) const

inline

Get a pointer to the database in memory.

Returns

The database pointer.

DataStore* get_worker_datastore ( nservers_t  worker_index ) const

inline

Get the database object for a thread/worker.

Parameters

worker_index

The index of a worker.

Returns

The database object for the worker.

vector<DataStore*> get_worker_datastores ( ) const

inline

Get the database objects for the threads/workers.

Returns

The database objects for the workers.

void set_database

(

unsigned char *

data = NULL

)

Change the database pointer.

Parameters

data	The location of the new database in memory.

Member Data Documentation

dbsize_t block_size

protected

Size of each database block in bytes.

dbsize_t database_size

protected

Total size of the database in bytes.

dbsize_t num_blocks

protected

Number of blocks in the database.

nservers_t num_workers

protected

Number of threads/workers.

const PercyParams* params

protected

Parameters for the protocol.

const PercyServerParams* serverparams

protected

Parameters for the server.

std::vector<DataStore*> subdatastores

protected

The database objects for the threads/workers.

std::vector<dbsize_t> subdb_offsets

protected

The distance from the beginning of the database that each thread/worker's portion of the database begins.

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The documentation for this class was generated from the following file:

• datastore.h