stasis-bLSM/logiterators.h

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#ifndef _LOG_ITERATORS_H_
#define _LOG_ITERATORS_H_
template <class TUPLE>
class DataPage;
/////////////////////////////////////////////////////////////////
template <class TUPLE>
class diskTreeIterator
{
public:
explicit diskTreeIterator(recordid tree);
explicit diskTreeIterator(recordid tree,TUPLE &key);
explicit diskTreeIterator(diskTreeComponent::internalNodes *tree);
explicit diskTreeIterator(diskTreeComponent::internalNodes *tree,TUPLE &key);
~diskTreeIterator();
TUPLE * next_callerFrees();
private:
void init_iterators(TUPLE * key1, TUPLE * key2);
inline void init_helper(TUPLE* key1);
explicit diskTreeIterator() { abort(); }
void operator=(diskTreeIterator & t) { abort(); }
int operator-(diskTreeIterator & t) { abort(); }
private:
recordid tree_; //root of the tree
diskTreeComponent::internalNodes::iterator* lsmIterator_;
pageid_t curr_pageid; //current page id
DataPage<TUPLE> *curr_page; //current page
typedef typename DataPage<TUPLE>::iterator DPITR_T;
DPITR_T *dp_itr;
};
#endif