tpie::blocks::block_collection Class Reference

A class to manage writing and reading of block to disk. More...

#include <tpie/blocks/block_collection.h>

Public Member Functions
	block_collection (std::string fileName, memory_size_type blockSize, bool writeable)
	Create a block collection. More...
	block_collection (const block_collection &)=delete
block_handle	get_free_block ()
	Allocates a new block. More...
void	free_block (block_handle handle)
	frees a block More...
void	read_block (block_handle handle, block &b)
	Reads the content of a block from disk. More...
void	write_block (block_handle handle, const block &b)
	Writes the content of a block to disk. More...

Detailed Description

A class to manage writing and reading of block to disk.

Definition at line 39 of file block_collection.h.

Constructor & Destructor Documentation

tpie::blocks::block_collection::block_collection	(	std::string	fileName,
		memory_size_type	blockSize,
		bool	writeable
	)

Create a block collection.

Parameters

fileName	the file in which blocks are saved
blockSize	the size of the blocks
writeable	indicates whether the collection is writeable

Member Function Documentation

void tpie::blocks::block_collection::free_block

(

block_handle

handle

)

frees a block

Parameters

handle

the handle of the block to be freed

block_handle tpie::blocks::block_collection::get_free_block

(

)

Allocates a new block.

Returns

the handle of the new block

void tpie::blocks::block_collection::read_block	(	block_handle	handle,
		block &	b
	)

Reads the content of a block from disk.

Parameters

handle	the handle of the block to read
b	the block to store the content in

void tpie::blocks::block_collection::write_block	(	block_handle	handle,
		const block &	b
	)

Writes the content of a block to disk.

Parameters

handle	the handle of the block to write
b	the block type in which the content is stored

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

• blocks/block_collection.h