cyclus::SqliteBack Class Reference

Detailed Description

An Recorder backend that writes data to an sqlite database.

Identically named Datum objects have their data placed as rows in a single table. Handles the following datum value types: int, float, double, std::string, cyclus::Blob. Unsupported value types are stored as an empty string.

Definition at line 17 of file sqlite_back.h.

#include <sqlite_back.h>

Inheritance diagram for cyclus::SqliteBack:

Public Member Functions
void	Close ()
virtual std::map< std::string, DbTypes >	ColumnTypes (std::string table)
SqliteDb &	db ()
void	Flush ()
std::string	Name ()
virtual void	Notify (DatumList data)
virtual QueryResult	Query (std::string table, std::vector< Cond > *conds)
	SqliteBack (std::string path)
virtual std::set< std::string >	Tables ()
virtual	~SqliteBack ()
Public Member Functions inherited from cyclus::FullBackend
virtual	~FullBackend ()
Public Member Functions inherited from cyclus::QueryableBackend
virtual	~QueryableBackend ()
Public Member Functions inherited from cyclus::RecBackend
virtual	~RecBackend ()

Constructor & Destructor Documentation

SqliteBack()

cyclus::SqliteBack::SqliteBack

(

std::string

path

)

Creates a new sqlite backend that will write to the database file specified by path.

If the file doesn't exist, a new one is created.

Parameters

path	the filepath (including name) to write the sqlite file.

Definition at line 47 of file sqlite_back.cc.

~SqliteBack()

cyclus::SqliteBack::~SqliteBack ( )

virtual

Definition at line 38 of file sqlite_back.cc.

Member Function Documentation

Close()

void cyclus::SqliteBack::Close ( )

inlinevirtual

Closes the backend, if approriate.

Implements cyclus::RecBackend.

Definition at line 37 of file sqlite_back.h.

ColumnTypes()

std::map< std::string, DbTypes > cyclus::SqliteBack::ColumnTypes ( std::string table )

virtual

Return a map of column names of the specified table to the associated database type.

Implements cyclus::QueryableBackend.

Definition at line 139 of file sqlite_back.cc.

db()

SqliteDb & cyclus::SqliteBack::db

(

)

Returns the underlying sqlite database.

Only use this if you really know what you are doing.

Definition at line 161 of file sqlite_back.cc.

Flush()

void cyclus::SqliteBack::Flush ( )

virtual

Executes all pending commands.

Implements cyclus::RecBackend.

Definition at line 91 of file sqlite_back.cc.

Name()

std::string cyclus::SqliteBack::Name ( )

virtual

Returns a unique name for this backend.

Implements cyclus::RecBackend.

Definition at line 183 of file sqlite_back.cc.

Notify()

void cyclus::SqliteBack::Notify ( DatumList data )

virtual

Writes Datum objects immediately to the database as a single transaction.

Parameters

data	group of Datum objects to write to the database together.

Implements cyclus::RecBackend.

Definition at line 70 of file sqlite_back.cc.

Query()

QueryResult cyclus::SqliteBack::Query ( std::string table, std::vector< Cond > * conds )

virtual

Return a set of rows from the specificed table that match all given conditions.

Conditions are AND'd together. conds may be NULL.

Implements cyclus::QueryableBackend.

Definition at line 103 of file sqlite_back.cc.

Tables()

std::set< std::string > cyclus::SqliteBack::Tables ( )

virtual

Return a set of all table names currently in the database.

Implements cyclus::QueryableBackend.

Definition at line 147 of file sqlite_back.cc.

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

• sqlite_back.h
• sqlite_back.cc