Public Member Functions
	TrBodiesCacheQSql ()

	TrBodiesCacheQSql (SeismicQSql *pseis, const size_t read_cache_size, const size_t write_cache_size)

void	init (SeismicQSql *pseis, const size_t read_cache_size, const size_t write_cache_size)

const TrBody &	get (const DbIndex &id)

void	update (const DbIndex &id, const TrBody &body)

DbIndex	append (const TrBody &body)

void	clear ()

void	flush ()

ErrCode	lastError () const

Protected Member Functions
ErrCode	db_get_body (const DbIndex &trace_id, TrBody &body)

ErrCode	db_update_body (const DbIndex &trace_id, const TrBody &body)

ErrCode	db_append_body (const TrBody &body, DbIndex &trace_id)

Protected Attributes
LRUCache< DbIndex, hds::db::TrBody >	m_cache

SeismicQSql *	mp_seis

ErrCode	m_last_error

QSqlQuery	m_get_body_query

QSqlQuery	m_update_body_query

QSqlQuery	m_append_body_query

Detailed Description

Cached access to traces bodies.

Constructor & Destructor Documentation

hds::db::TrBodiesCacheQSql::TrBodiesCacheQSql ( )

Default empty cache constructur.

hds::db::TrBodiesCacheQSql::TrBodiesCacheQSql	(	SeismicQSql *	pseis,
		const size_t	read_cache_size,
		const size_t	write_cache_size
	)

Construct cache with seismic and sizes provided.

Seismic not copied, just store a pointer.

DbIndex hds::db::TrBodiesCacheQSql::append ( const TrBody & body )

Append new body. lastError() gets correpondent error code.

void hds::db::TrBodiesCacheQSql::clear ( )

Clear cache data. Can't generate any error.

void hds::db::TrBodiesCacheQSql::flush ( )

Flush all unsaved data into database. lastError() gets correpondent error code.

const TrBody& hds::db::TrBodiesCacheQSql::get ( const DbIndex & id )

Get body with provided id. On error return empty body

and lastError() gets correpondent error code.

void hds::db::TrBodiesCacheQSql::init	(	SeismicQSql *	pseis,
		const size_t	read_cache_size,
		const size_t	write_cache_size
	)

Initialize cache. lastError() gets correpondent error code.

ErrCode hds::db::TrBodiesCacheQSql::lastError ( ) const

inline

Get current error code.

Returns: EC_NO_ERROR if the last interaction with object is correct. Otherwise return correspondent error code.

void hds::db::TrBodiesCacheQSql::update	(	const DbIndex &	id,
		const TrBody &	body
	)

Update body with provided id. On error return default header

and lastError() gets correpondent error code.

LRUCache<DbIndex, hds::db::TrBody> hds::db::TrBodiesCacheQSql::m_cache

protected

< Cache storage. Current seismic object.

SeismicQSql* hds::db::TrBodiesCacheQSql::mp_seis

protected

Current last error.

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

/net/opt/univers/ubp-i-15.3-centos7-x64.urij/include/hds_db/qsql/tr_bodies_cache_qsql.hpp