catapult::extensions::MemoryBlockStorage Class Reference

A memory-based block storage that loads and saves blocks in memory. More...

Inheritance diagram for catapult::extensions::MemoryBlockStorage:

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Public Member Functions
	MemoryBlockStorage (const model::BlockElement &nemesisBlockElement)
	Creates a memory-based block storage around nemesisBlockElement. More...
Height	chainHeight () const override
	Gets the number of blocks. More...
model::HashRange	loadHashesFrom (Height height, size_t maxHashes) const override
	Returns a range of at most maxHashes hashes starting at height. More...
void	saveBlock (const model::BlockElement &blockElement) override
	Saves blockElement. More...
void	dropBlocksAfter (Height height) override
	Drops all blocks after height. More...
std::shared_ptr< const model::Block >	loadBlock (Height height) const override
	Returns the block at height. More...
std::shared_ptr< const model::BlockElement >	loadBlockElement (Height height) const override
	Returns the block element (owning a block) at height. More...
std::pair< std::vector< uint8_t >, bool >	loadBlockStatementData (Height height) const override
	Returns the optional block statement data at height. More...
void	purge () override
	Purges all blocks from storage. More...
Public Member Functions inherited from catapult::io::LightBlockStorage
virtual	~LightBlockStorage ()=default
Public Member Functions inherited from catapult::utils::NonCopyable
constexpr	NonCopyable ()=default
	Default constructor. More...
	~NonCopyable ()=default
	Default destructor. More...
	NonCopyable (const NonCopyable &)=delete
	Disabled copy constructor. More...
NonCopyable &	operator= (const NonCopyable &)=delete
	Disabled assignment operator. More...

Private Types
using	Blocks = std::map< Height, std::shared_ptr< model::Block > >
using	BlockElements = std::map< Height, std::shared_ptr< model::BlockElement > >
using	BlockStatements = std::map< Height, std::shared_ptr< const model::BlockStatement > >

Private Member Functions
void	requireHeight (Height height, const char *description) const

Private Attributes
Blocks	m_blocks
BlockElements	m_blockElements
BlockStatements	m_blockStatements
Height	m_height

Detailed Description

A memory-based block storage that loads and saves blocks in memory.

Member Typedef Documentation

BlockElements

using catapult::extensions::MemoryBlockStorage::BlockElements = std::map<Height, std::shared_ptr<model::BlockElement> >

private

Blocks

using catapult::extensions::MemoryBlockStorage::Blocks = std::map<Height, std::shared_ptr<model::Block> >

private

BlockStatements

using catapult::extensions::MemoryBlockStorage::BlockStatements = std::map<Height, std::shared_ptr<const model::BlockStatement> >

private

Constructor & Destructor Documentation

MemoryBlockStorage()

catapult::extensions::MemoryBlockStorage::MemoryBlockStorage ( const model::BlockElement &  nemesisBlockElement )

explicit

Creates a memory-based block storage around nemesisBlockElement.

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Member Function Documentation

chainHeight()

Height catapult::extensions::MemoryBlockStorage::chainHeight ( ) const

overridevirtual

Gets the number of blocks.

Implements catapult::io::LightBlockStorage.

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dropBlocksAfter()

void catapult::extensions::MemoryBlockStorage::dropBlocksAfter ( Height  height )

overridevirtual

Drops all blocks after height.

Implements catapult::io::LightBlockStorage.

loadBlock()

std::shared_ptr< const model::Block > catapult::extensions::MemoryBlockStorage::loadBlock ( Height  height ) const

overridevirtual

Returns the block at height.

Implements catapult::io::BlockStorage.

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loadBlockElement()

std::shared_ptr< const model::BlockElement > catapult::extensions::MemoryBlockStorage::loadBlockElement ( Height  height ) const

overridevirtual

Returns the block element (owning a block) at height.

Implements catapult::io::BlockStorage.

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loadBlockStatementData()

std::pair< std::vector< uint8_t >, bool > catapult::extensions::MemoryBlockStorage::loadBlockStatementData ( Height  height ) const

overridevirtual

Returns the optional block statement data at height.

Implements catapult::io::BlockStorage.

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loadHashesFrom()

model::HashRange catapult::extensions::MemoryBlockStorage::loadHashesFrom ( Height  height, size_t  maxHashes  ) const

overridevirtual

Returns a range of at most maxHashes hashes starting at height.

Implements catapult::io::LightBlockStorage.

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purge()

void catapult::extensions::MemoryBlockStorage::purge ( )

overridevirtual

Purges all blocks from storage.

Implements catapult::io::PrunableBlockStorage.

requireHeight()

void catapult::extensions::MemoryBlockStorage::requireHeight ( Height  height, const char *  description  ) const

private

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saveBlock()

void catapult::extensions::MemoryBlockStorage::saveBlock ( const model::BlockElement &  blockElement )

overridevirtual

Saves blockElement.

Implements catapult::io::LightBlockStorage.

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Member Data Documentation

m_blockElements

BlockElements catapult::extensions::MemoryBlockStorage::m_blockElements

private

m_blocks

Blocks catapult::extensions::MemoryBlockStorage::m_blocks

private

m_blockStatements

BlockStatements catapult::extensions::MemoryBlockStorage::m_blockStatements

private

m_height

Height catapult::extensions::MemoryBlockStorage::m_height

private

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

• MemoryBlockStorage.h
• MemoryBlockStorage.cpp