#include <CachingFileMgr.h>

Inheritance diagram for File_Namespace::CachingFileBuffer:

Collaboration diagram for File_Namespace::CachingFileBuffer:

Public Member Functions
void	write (int8_t *src, const size_t numBytes, const size_t offset=0, const MemoryLevel srcMemoryLevel=CPU_LEVEL, const int32_t deviceId=-1) override

Public Member Functions inherited from File_Namespace::FileBuffer
	FileBuffer (FileMgr *fm, const size_t pageSize, const ChunkKey &chunkKey, const size_t initialSize=0)
	Constructs a FileBuffer object. More...

	FileBuffer (FileMgr *fm, const size_t pageSize, const ChunkKey &chunkKey, const SQLTypeInfo sqlType, const size_t initialSize=0)

	FileBuffer (FileMgr *fm, const ChunkKey &chunkKey, const std::vector< HeaderInfo >::const_iterator &headerStartIt, const std::vector< HeaderInfo >::const_iterator &headerEndIt)

	~FileBuffer () override
	Destructor. More...

Page	addNewMultiPage (const int32_t epoch)

void	reserve (const size_t numBytes) override

size_t	freeMetadataPages ()

size_t	freeChunkPages ()

size_t	freePages ()

void	freePagesBeforeEpoch (const int32_t targetEpoch)

void	read (int8_t *const dst, const size_t numBytes=0, const size_t offset=0, const MemoryLevel dstMemoryLevel=CPU_LEVEL, const int32_t deviceId=-1) override

void	write (int8_t *src, const size_t numBytes, const size_t offset=0, const MemoryLevel srcMemoryLevel=CPU_LEVEL, const int32_t deviceId=-1) override
	Writes the contents of source (src) into new versions of the affected logical pages. More...

void	append (int8_t *src, const size_t numBytes, const MemoryLevel srcMemoryLevel=CPU_LEVEL, const int32_t deviceId=-1) override

void	copyPage (Page &srcPage, Page &destPage, const size_t numBytes, const size_t offset=0)

Data_Namespace::MemoryLevel	getType () const override

int8_t *	getMemoryPtr () override
	Not implemented for FileMgr – throws a runtime_error. More...

size_t	pageCount () const override
	Returns the number of pages in the FileBuffer. More...

bool	hasDataPages () const

size_t	pageSize () const override
	Returns the size in bytes of each page in the FileBuffer. More...

virtual size_t	pageDataSize () const
	Returns the size in bytes of the data portion of each page in the FileBuffer. More...

virtual size_t	reservedHeaderSize () const

virtual std::vector< MultiPage >	getMultiPage () const
	Returns vector of MultiPages in the FileBuffer. More...

MultiPage	getMetadataPage () const

size_t	reservedSize () const override
	Returns the total number of bytes allocated for the FileBuffer. More...

size_t	numMetadataPages () const
	Returns the total number of used bytes in the FileBuffer. More...

bool	isMissingPages () const

size_t	numChunkPages () const

std::string	dump () const

void	freePage (const Page &page)

Public Member Functions inherited from Data_Namespace::AbstractBuffer
	AbstractBuffer (const int device_id)

	AbstractBuffer (const int device_id, const SQLTypeInfo sql_type)

virtual	~AbstractBuffer ()

virtual void	read (int8_t *const dst, const size_t num_bytes, const size_t offset=0, const MemoryLevel dst_buffer_type=CPU_LEVEL, const int dst_device_id=-1)=0

virtual void	write (int8_t *src, const size_t num_bytes, const size_t offset=0, const MemoryLevel src_buffer_type=CPU_LEVEL, const int src_device_id=-1)=0

virtual void	append (int8_t *src, const size_t num_bytes, const MemoryLevel src_buffer_type=CPU_LEVEL, const int device_id=-1)=0

virtual void	setMemoryPtr (int8_t *new_ptr)

virtual int	pin ()

virtual int	unPin ()

virtual int	getPinCount ()

size_t	size () const

int	getDeviceId () const

bool	isDirty () const

bool	isAppended () const

bool	isUpdated () const

bool	hasEncoder () const

SQLTypeInfo	getSqlType () const

void	setSqlType (const SQLTypeInfo &sql_type)

Encoder *	getEncoder () const

void	setDirty ()

void	setUpdated ()

void	setAppended ()

void	setSize (const size_t size)

void	clearDirtyBits ()

void	initEncoder (const SQLTypeInfo &tmp_sql_type)

void	syncEncoder (const AbstractBuffer *src_buffer)

void	copyTo (AbstractBuffer *destination_buffer, const size_t num_bytes=0)

void	resetToEmpty ()

Additional Inherited Members
Static Public Attributes inherited from File_Namespace::FileBuffer
static constexpr size_t	headerBufferOffset_ = 32

Protected Attributes inherited from Data_Namespace::AbstractBuffer
std::unique_ptr< Encoder >	encoder_

SQLTypeInfo	sql_type_

size_t	size_

int	device_id_

Detailed Description

Definition at line 155 of file CachingFileMgr.h.

Member Function Documentation

void File_Namespace::CachingFileBuffer::write	(	int8_t *	src,
		const size_t	numBytes,
		const size_t	offset = `0`,
		const MemoryLevel	srcMemoryLevel = `CPU_LEVEL`,
		const int32_t	deviceId = `-1`
	)

inlineoverride

Definition at line 161 of file CachingFileMgr.h.

References UNREACHABLE.

                                                    {
     UNREACHABLE() << "Cache buffers support append(), but not write()";
   }

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

/home/jenkins-slave/workspace/core-os-doxygen/DataMgr/FileMgr/CachingFileMgr.h

Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation