SetCachePageIterator Class Reference

#include <SetCachePageIterator.h>

Inheritance diagram for SetCachePageIterator:

Collaboration diagram for SetCachePageIterator:

Public Member Functions
	SetCachePageIterator (PageCachePtr cache, UserSet *set)
virtual	~SetCachePageIterator ()
PDBPagePtr	begin ()
PDBPagePtr	end ()
PDBPagePtr	next () override
bool	hasNext () override
Public Member Functions inherited from PageIteratorInterface
virtual	~PageIteratorInterface ()

Private Attributes
PageCachePtr	cache
UserSet *	set
std::unordered_map< PageID, FileSearchKey >::iterator	iter

Detailed Description

This class implements an iterator to all dirty pages stored in PageCache that hasn't been flushed ever for a given set.

Definition at line 38 of file SetCachePageIterator.h.

Constructor & Destructor Documentation

SetCachePageIterator::SetCachePageIterator	(	PageCachePtr	cache,
		UserSet *	set
	)

Definition at line 35 of file SetCachePageIterator.cc.

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SetCachePageIterator::~SetCachePageIterator ( )

virtual

Definition at line 42 of file SetCachePageIterator.cc.

Member Function Documentation

PDBPagePtr SetCachePageIterator::begin

(

)

Returns the page with the smallest PageID in the input buffer.

Definition at line 44 of file SetCachePageIterator.cc.

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PDBPagePtr SetCachePageIterator::end

(

)

Returns the page with the largest PageID in the input buffer.

Definition at line 49 of file SetCachePageIterator.cc.

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bool SetCachePageIterator::hasNext ( )

overridevirtual

If there is more pages in the input buffer, return true, else, return false.

Implements PageIteratorInterface.

Definition at line 103 of file SetCachePageIterator.cc.

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PDBPagePtr SetCachePageIterator::next ( )

overridevirtual

Returns the next page in the input buffer. If there is no more page, returns nullptr.

Implements PageIteratorInterface.

Definition at line 54 of file SetCachePageIterator.cc.

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Member Data Documentation

PageCachePtr SetCachePageIterator::cache

private

Definition at line 67 of file SetCachePageIterator.h.

std::unordered_map<PageID, FileSearchKey>::iterator SetCachePageIterator::iter

private

Definition at line 69 of file SetCachePageIterator.h.

UserSet* SetCachePageIterator::set

private

Definition at line 68 of file SetCachePageIterator.h.

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

• plinycompute/pdb/src/storage/headers/SetCachePageIterator.h
• plinycompute/pdb/src/storage/source/SetCachePageIterator.cc