leveldb::Iterator Class Reference

#include <iterator.h>

Inheritance diagram for leveldb::Iterator:

Classes
struct	Cleanup

Public Types
typedef void(*	CleanupFunction) (void *arg1, void *arg2)

Public Member Functions
	Iterator ()
virtual	~Iterator ()
virtual bool	Valid () const =0
virtual void	SeekToFirst ()=0
virtual void	SeekToLast ()=0
virtual void	Seek (const Slice &target)=0
virtual void	Next ()=0
virtual void	Prev ()=0
virtual Slice	key () const =0
virtual Slice	value () const =0
virtual Status	status () const =0
void	RegisterCleanup (CleanupFunction function, void *arg1, void *arg2)

Private Member Functions
	Iterator (const Iterator &)
void	operator= (const Iterator &)

Private Attributes
Cleanup	cleanup_

Member Typedef Documentation

CleanupFunction

typedef void(* leveldb::Iterator::CleanupFunction) (void *arg1, void *arg2)

Constructor & Destructor Documentation

Iterator() [1/2]

leveldb::Iterator::Iterator

(

)

~Iterator()

leveldb::Iterator::~Iterator ( )

virtual

Iterator() [2/2]

leveldb::Iterator::Iterator ( const Iterator &  )

private

Member Function Documentation

key()

virtual Slice leveldb::Iterator::key ( ) const

pure virtual

Implemented in leveldb::ModelDB::ModelIter, leveldb::KeyConvertingIterator, leveldb::Version::LevelFileNumIterator, leveldb::Block::Iter, leveldb::anonymous_namespace{merger.cc}::MergingIterator, leveldb::anonymous_namespace{db_iter.cc}::DBIter, leveldb::MemTableIterator, leveldb::anonymous_namespace{iterator.cc}::EmptyIterator, and leveldb::anonymous_namespace{two_level_iterator.cc}::TwoLevelIterator.

Next()

virtual void leveldb::Iterator::Next ( )

pure virtual

Implemented in leveldb::ModelDB::ModelIter, leveldb::KeyConvertingIterator, leveldb::Version::LevelFileNumIterator, leveldb::Block::Iter, leveldb::anonymous_namespace{db_iter.cc}::DBIter, leveldb::MemTableIterator, leveldb::anonymous_namespace{merger.cc}::MergingIterator, leveldb::anonymous_namespace{iterator.cc}::EmptyIterator, and leveldb::anonymous_namespace{two_level_iterator.cc}::TwoLevelIterator.

operator=()

void leveldb::Iterator::operator= ( const Iterator &  )

private

Prev()

virtual void leveldb::Iterator::Prev ( )

pure virtual

Implemented in leveldb::ModelDB::ModelIter, leveldb::KeyConvertingIterator, leveldb::Version::LevelFileNumIterator, leveldb::Block::Iter, leveldb::anonymous_namespace{merger.cc}::MergingIterator, leveldb::anonymous_namespace{db_iter.cc}::DBIter, leveldb::MemTableIterator, leveldb::anonymous_namespace{iterator.cc}::EmptyIterator, and leveldb::anonymous_namespace{two_level_iterator.cc}::TwoLevelIterator.

RegisterCleanup()

void leveldb::Iterator::RegisterCleanup	(	CleanupFunction	function,
		void *	arg1,
		void *	arg2
	)

Seek()

virtual void leveldb::Iterator::Seek ( const Slice &  target )

pure virtual

Implemented in leveldb::ModelDB::ModelIter, leveldb::KeyConvertingIterator, leveldb::Version::LevelFileNumIterator, leveldb::Block::Iter, leveldb::anonymous_namespace{db_iter.cc}::DBIter, leveldb::MemTableIterator, leveldb::anonymous_namespace{merger.cc}::MergingIterator, leveldb::anonymous_namespace{iterator.cc}::EmptyIterator, and leveldb::anonymous_namespace{two_level_iterator.cc}::TwoLevelIterator.

SeekToFirst()

virtual void leveldb::Iterator::SeekToFirst ( )

pure virtual

Implemented in leveldb::ModelDB::ModelIter, leveldb::KeyConvertingIterator, leveldb::Block::Iter, leveldb::Version::LevelFileNumIterator, leveldb::anonymous_namespace{db_iter.cc}::DBIter, leveldb::MemTableIterator, leveldb::anonymous_namespace{iterator.cc}::EmptyIterator, leveldb::anonymous_namespace{merger.cc}::MergingIterator, and leveldb::anonymous_namespace{two_level_iterator.cc}::TwoLevelIterator.

SeekToLast()

virtual void leveldb::Iterator::SeekToLast ( )

pure virtual

Implemented in leveldb::ModelDB::ModelIter, leveldb::KeyConvertingIterator, leveldb::Block::Iter, leveldb::Version::LevelFileNumIterator, leveldb::anonymous_namespace{db_iter.cc}::DBIter, leveldb::MemTableIterator, leveldb::anonymous_namespace{iterator.cc}::EmptyIterator, leveldb::anonymous_namespace{merger.cc}::MergingIterator, and leveldb::anonymous_namespace{two_level_iterator.cc}::TwoLevelIterator.

status()

virtual Status leveldb::Iterator::status ( ) const

pure virtual

Implemented in leveldb::ModelDB::ModelIter, leveldb::KeyConvertingIterator, leveldb::Version::LevelFileNumIterator, leveldb::Block::Iter, leveldb::anonymous_namespace{merger.cc}::MergingIterator, leveldb::anonymous_namespace{db_iter.cc}::DBIter, leveldb::MemTableIterator, leveldb::anonymous_namespace{iterator.cc}::EmptyIterator, and leveldb::anonymous_namespace{two_level_iterator.cc}::TwoLevelIterator.

Valid()

virtual bool leveldb::Iterator::Valid ( ) const

pure virtual

Implemented in leveldb::ModelDB::ModelIter, leveldb::KeyConvertingIterator, leveldb::Version::LevelFileNumIterator, leveldb::Block::Iter, leveldb::anonymous_namespace{db_iter.cc}::DBIter, leveldb::MemTableIterator, leveldb::anonymous_namespace{iterator.cc}::EmptyIterator, leveldb::anonymous_namespace{two_level_iterator.cc}::TwoLevelIterator, and leveldb::anonymous_namespace{merger.cc}::MergingIterator.

value()

virtual Slice leveldb::Iterator::value ( ) const

pure virtual

Implemented in leveldb::ModelDB::ModelIter, leveldb::KeyConvertingIterator, leveldb::Version::LevelFileNumIterator, leveldb::Block::Iter, leveldb::anonymous_namespace{merger.cc}::MergingIterator, leveldb::anonymous_namespace{db_iter.cc}::DBIter, leveldb::MemTableIterator, leveldb::anonymous_namespace{iterator.cc}::EmptyIterator, and leveldb::anonymous_namespace{two_level_iterator.cc}::TwoLevelIterator.

Member Data Documentation

cleanup_

Cleanup leveldb::Iterator::cleanup_

private

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

• src/leveldb/include/leveldb/iterator.h
• src/leveldb/table/iterator.cc