catapult::tree::ReadThroughMemoryDataSource< TBackingDataSource > Class Template Reference

A patricia tree memory data source that reads through but does not write through. More...

Collaboration diagram for catapult::tree::ReadThroughMemoryDataSource< TBackingDataSource >:

Public Member Functions
	ReadThroughMemoryDataSource (const TBackingDataSource &backingDataSource, DataSourceVerbosity verbosity=DataSourceVerbosity::Off)
	Creates a data source around backingDataSource with specified verbosity. More...
size_t	size () const
	Gets the number of saved nodes in the in memory cache. More...
std::unique_ptr< const TreeNode >	get (const Hash256 &hash) const
	Gets the tree node associated with hash. More...
void	forEach (const consumer< const TreeNode & > &consumer) const
	Gets all nodes in memory and passes them to consumer. More...
void	set (const LeafTreeNode &node)
	Saves a leaf tree node. More...
void	set (const BranchTreeNode &node)
	Saves a branch tree node. More...
void	clear ()
	Clears all cached memory nodes. More...

Private Attributes
const TBackingDataSource &	m_backingDataSource
MemoryDataSource	m_memoryDataSource

Detailed Description

template<typename TBackingDataSource>
class catapult::tree::ReadThroughMemoryDataSource< TBackingDataSource >

A patricia tree memory data source that reads through but does not write through.

Constructor & Destructor Documentation

ReadThroughMemoryDataSource()

template<typename TBackingDataSource>

catapult::tree::ReadThroughMemoryDataSource< TBackingDataSource >::ReadThroughMemoryDataSource ( const TBackingDataSource &  backingDataSource, DataSourceVerbosity  verbosity = DataSourceVerbosity::Off  )

inlineexplicit

Creates a data source around backingDataSource with specified verbosity.

Member Function Documentation

clear()

template<typename TBackingDataSource>

void catapult::tree::ReadThroughMemoryDataSource< TBackingDataSource >::clear ( )

inline

Clears all cached memory nodes.

forEach()

template<typename TBackingDataSource>

void catapult::tree::ReadThroughMemoryDataSource< TBackingDataSource >::forEach ( const consumer< const TreeNode & > &  consumer ) const

inline

Gets all nodes in memory and passes them to consumer.

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get()

template<typename TBackingDataSource>

std::unique_ptr<const TreeNode> catapult::tree::ReadThroughMemoryDataSource< TBackingDataSource >::get ( const Hash256 &  hash ) const

inline

Gets the tree node associated with hash.

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set() [1/2]

template<typename TBackingDataSource>

void catapult::tree::ReadThroughMemoryDataSource< TBackingDataSource >::set ( const BranchTreeNode &  node )

inline

Saves a branch tree node.

set() [2/2]

template<typename TBackingDataSource>

void catapult::tree::ReadThroughMemoryDataSource< TBackingDataSource >::set ( const LeafTreeNode &  node )

inline

Saves a leaf tree node.

size()

template<typename TBackingDataSource>

size_t catapult::tree::ReadThroughMemoryDataSource< TBackingDataSource >::size ( ) const

inline

Gets the number of saved nodes in the in memory cache.

Member Data Documentation

m_backingDataSource

template<typename TBackingDataSource>

const TBackingDataSource& catapult::tree::ReadThroughMemoryDataSource< TBackingDataSource >::m_backingDataSource

private

m_memoryDataSource

template<typename TBackingDataSource>

MemoryDataSource catapult::tree::ReadThroughMemoryDataSource< TBackingDataSource >::m_memoryDataSource

private

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

• ReadThroughMemoryDataSource.h