stateline::db::Database Class Reference

Public Member Functions
	Database (const DBSettings &s)
	Create a new database connection. More...
	~Database ()
	Clean up and free resources used by the database connection.
uint	cacheSize ()
	Get the cache size. More...
std::string	get (const leveldb::Slice &key)
	Get the database entry for a particular key. More...
void	put (const leveldb::Slice &key, const leveldb::Slice &value)
	Write an entry to the database. More...
void	remove (const leveldb::Slice &key)
	Remove the entry for a particular key. More...
void	batch (leveldb::WriteBatch &batch)
	Write to the database batched. More...
void	swap (const std::vector< std::string > &keys1, const std::vector< std::string > &keys2)
	Swap the values for a set of keys with another. More...

Constructor & Destructor Documentation

stateline::db::Database::Database

(

const DBSettings &

s

)

Create a new database connection.

Parameters

s	The database settings.

Member Function Documentation

void stateline::db::Database::batch

(

leveldb::WriteBatch &

batch

)

Write to the database batched.

Parameters

batch

The batched keys and values to write.

uint stateline::db::Database::cacheSize

(

)

Get the cache size.

Returns

The cache size in bytes.

std::string stateline::db::Database::get

(

const leveldb::Slice &

key

)

Get the database entry for a particular key.

Parameters

key	The key for the entry.

Returns

String containing the value of the entry.

void stateline::db::Database::put	(	const leveldb::Slice &	key,
		const leveldb::Slice &	value
	)

Write an entry to the database.

Parameters

key	The key for the entry.
value	The value of the entry.

void stateline::db::Database::remove

(

const leveldb::Slice &

key

)

Remove the entry for a particular key.

Parameters

key	The key for the entry.

void stateline::db::Database::swap	(	const std::vector< std::string > &	keys1,
		const std::vector< std::string > &	keys2
	)

Swap the values for a set of keys with another.

Parameters

keys1	The first set of keys to swap.
keys2	The second set of keys to swap. This must have the same length as keys1.

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

• /home/lb/code/GDF/src/db/db.hpp
• /home/lb/code/GDF/src/db/db.cpp