impala::BufferedBlockMgr::BufferDescriptor Struct Reference

Descriptor for a single memory buffer in the pool. More...

Inheritance diagram for impala::BufferedBlockMgr::BufferDescriptor:

Collaboration diagram for impala::BufferedBlockMgr::BufferDescriptor:

Public Member Functions
	BufferDescriptor (uint8_t *buf, int64_t len)
T *	Next () const
	Returns the Next/Prev node or NULL if this is the end/front. More...
T *	Prev () const

Public Attributes
uint8_t *	buffer
	Start of the buffer. More...
int64_t	len
	Length of the buffer. More...
Block *	block
	Block that this buffer is assigned to. May be NULL. More...
std::list< BufferDescriptor * > ::iterator	all_buffers_it
	Iterator into all_io_buffers_ for this buffer. More...

Detailed Description

Descriptor for a single memory buffer in the pool.

Definition at line 395 of file buffered-block-mgr.h.

Constructor & Destructor Documentation

impala::BufferedBlockMgr::BufferDescriptor::BufferDescriptor ( uint8_t *  buf, int64_t  len  )

inline

Definition at line 408 of file buffered-block-mgr.h.

Member Function Documentation

template<typename T>

T* impala::InternalQueue< T >::Node::Next ( ) const

inlineinherited

Returns the Next/Prev node or NULL if this is the end/front.

Definition at line 48 of file internal-queue.h.

References impala::InternalQueue< T >::lock_, impala::InternalQueue< T >::Node::next, and impala::InternalQueue< T >::Node::parent_queue.

Referenced by impala::TEST(), and impala::BufferedBlockMgr::Validate().

template<typename T>

T* impala::InternalQueue< T >::Node::Prev ( ) const

inlineinherited

Definition at line 52 of file internal-queue.h.

References impala::InternalQueue< T >::lock_, impala::InternalQueue< T >::Node::parent_queue, and impala::InternalQueue< T >::Node::prev.

Referenced by impala::TEST().

Member Data Documentation

std::list<BufferDescriptor*>::iterator impala::BufferedBlockMgr::BufferDescriptor::all_buffers_it

Iterator into all_io_buffers_ for this buffer.

Definition at line 406 of file buffered-block-mgr.h.

Referenced by impala::BufferedBlockMgr::ConsumeMemory(), and impala::BufferedBlockMgr::Validate().

Block* impala::BufferedBlockMgr::BufferDescriptor::block

Block that this buffer is assigned to. May be NULL.

Definition at line 403 of file buffered-block-mgr.h.

Referenced by impala::BufferedBlockMgr::ConsumeMemory(), impala::BufferedBlockMgr::DeleteBlock(), impala::BufferedBlockMgr::FindBufferForBlock(), impala::BufferedBlockMgr::GetNewBlock(), impala::BufferedBlockMgr::TransferBuffer(), impala::BufferedBlockMgr::Validate(), and impala::BufferedBlockMgr::WriteComplete().

uint8_t* impala::BufferedBlockMgr::BufferDescriptor::buffer

Start of the buffer.

Definition at line 397 of file buffered-block-mgr.h.

Referenced by impala::BufferedBlockMgr::Block::Allocate(), impala::BufferedBlockMgr::Block::buffer(), impala::BufferedBlockMgr::ConsumeMemory(), impala::BufferedBlockMgr::DeleteBlock(), and impala::BufferedBlockMgr::~BufferedBlockMgr().

int64_t impala::BufferedBlockMgr::BufferDescriptor::len

Length of the buffer.

Definition at line 400 of file buffered-block-mgr.h.

Referenced by impala::BufferedBlockMgr::Block::buffer_len(), impala::BufferedBlockMgr::Block::BytesRemaining(), impala::BufferedBlockMgr::DeleteBlock(), impala::BufferedBlockMgr::Block::is_max_size(), impala::BufferedBlockMgr::Client::PinBuffer(), impala::BufferedBlockMgr::TransferBuffer(), impala::BufferedBlockMgr::UnpinBlock(), impala::BufferedBlockMgr::Client::UnpinBuffer(), impala::BufferedBlockMgr::Validate(), impala::BufferedBlockMgr::WriteComplete(), impala::BufferedBlockMgr::WriteUnpinnedBlock(), and impala::BufferedBlockMgr::~BufferedBlockMgr().

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

• be/src/runtime/buffered-block-mgr.h