QDP::MapObjectDiskMultiple< K, V > Class Template Reference

Class that holds multiple DBs. Can only be used in a read-only mode. More...

#include <qdp_map_obj_disk_multiple.h>

Public Member Functions
	MapObjectDiskMultiple ()
	Empty constructor.
	~MapObjectDiskMultiple ()
	Finalizes object.
void	setDebug (int level)
	Set debugging level.
int	getDebug () const
	Get debugging level.
void	open (const std::vector< std::string > &files)
	Open files.
bool	fileExists (const std::vector< std::string > &files) const
	Check if a DB file exists before opening.
void	close ()
	Close the files.
int	get (const K &key, V &val) const
void	keys (std::vector< K > &keys_) const
void	flush ()
bool	exist (const K &key) const
int	getUserdata (std::string &user_data) const

Detailed Description

template<typename K, typename V>
class QDP::MapObjectDiskMultiple< K, V >

Class that holds multiple DBs. Can only be used in a read-only mode.

Definition at line 19 of file qdp_map_obj_disk_multiple.h.

Constructor & Destructor Documentation

MapObjectDiskMultiple()

template<typename K, typename V>

QDP::MapObjectDiskMultiple< K, V >::MapObjectDiskMultiple ( )

inline

Empty constructor.

Definition at line 23 of file qdp_map_obj_disk_multiple.h.

~MapObjectDiskMultiple()

template<typename K, typename V>

QDP::MapObjectDiskMultiple< K, V >::~MapObjectDiskMultiple ( )

inline

Finalizes object.

Definition at line 26 of file qdp_map_obj_disk_multiple.h.

Member Function Documentation

close()

template<typename K, typename V>

void QDP::MapObjectDiskMultiple< K, V >::close ( )

inline

Close the files.

Definition at line 67 of file qdp_map_obj_disk_multiple.h.

exist()

template<typename K, typename V>

bool QDP::MapObjectDiskMultiple< K, V >::exist ( const K & key ) const

inline

Does this key exist in the store

Parameters

key	a key object

Returns

true if the answer is yes

Definition at line 147 of file qdp_map_obj_disk_multiple.h.

fileExists()

template<typename K, typename V>

bool QDP::MapObjectDiskMultiple< K, V >::fileExists ( const std::vector< std::string > & files ) const

inline

Check if a DB file exists before opening.

Definition at line 52 of file qdp_map_obj_disk_multiple.h.

flush()

template<typename K, typename V>

void QDP::MapObjectDiskMultiple< K, V >::flush ( )

inline

Flush database in memory to disk

Definition at line 133 of file qdp_map_obj_disk_multiple.h.

get()

template<typename K, typename V>

int QDP::MapObjectDiskMultiple< K, V >::get ( const K & key, V & val ) const

inline

Get val for a given key

Parameters

key	user supplied key
val	after the call val will be populated

Returns

0 on success, otherwise the key not found

Definition at line 83 of file qdp_map_obj_disk_multiple.h.

getDebug()

template<typename K, typename V>

int QDP::MapObjectDiskMultiple< K, V >::getDebug ( ) const

inline

Get debugging level.

Definition at line 36 of file qdp_map_obj_disk_multiple.h.

getUserdata()

template<typename K, typename V>

int QDP::MapObjectDiskMultiple< K, V >::getUserdata ( std::string & user_data ) const

inline

Get user user data from the metadata database

Parameters

user_data

user supplied buffer to store user data

Returns

returns 0 if success. Otherwise failure.

Definition at line 167 of file qdp_map_obj_disk_multiple.h.

keys()

template<typename K, typename V>

void QDP::MapObjectDiskMultiple< K, V >::keys ( std::vector< K > & keys_ ) const

inline

Return all available keys to user

Parameters

keys	user suppled an empty vector which is populated by keys after this call.

Definition at line 102 of file qdp_map_obj_disk_multiple.h.

References QDP::read(), QDP::BinaryBufferWriter::str(), and QDP::write().

open()

template<typename K, typename V>

void QDP::MapObjectDiskMultiple< K, V >::open ( const std::vector< std::string > & files )

inline

Open files.

Definition at line 39 of file qdp_map_obj_disk_multiple.h.

setDebug()

template<typename K, typename V>

void QDP::MapObjectDiskMultiple< K, V >::setDebug ( int level )

inline

Set debugging level.

Definition at line 29 of file qdp_map_obj_disk_multiple.h.

References setDebug().

Referenced by setDebug().

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

• qdp_map_obj_disk_multiple.h