BranchPostList Class Reference
Base class for postlists which are generated by merging two sub-postlists. More...
#include <branchpostlist.h>
Public Member Functions | |
| BranchPostList (PostList *l_, PostList *r_, MultiMatch *matcher_) | |
| virtual | ~BranchPostList () |
Protected Member Functions | |
| void | handle_prune (PostList *&kid, PostList *ret) |
| Utility method, to call recalc_maxweight() and do the pruning if a next() or skip_to() returns non-NULL result. | |
Protected Attributes | |
| PostList * | l |
| Left sub-postlist. | |
| PostList * | r |
| Right sub-postlist. | |
| MultiMatch * | matcher |
| The object which is using this postlist to perform a match. | |
Private Member Functions | |
| BranchPostList (const BranchPostList &) | |
| BranchPostList & | operator= (const BranchPostList &) |
Detailed Description
Base class for postlists which are generated by merging two sub-postlists.These postlists form a tree which is used to perform a sum over all the terms in the query for each document, in order to calculate the score for that document.
Definition at line 36 of file branchpostlist.h.
Constructor & Destructor Documentation
| BranchPostList::BranchPostList | ( | const BranchPostList & | ) | [private] |
| BranchPostList::BranchPostList | ( | PostList * | l_, | |
| PostList * | r_, | |||
| MultiMatch * | matcher_ | |||
| ) | [inline] |
Definition at line 70 of file branchpostlist.h.
| BranchPostList::~BranchPostList | ( | ) | [virtual] |
Member Function Documentation
Utility method, to call recalc_maxweight() and do the pruning if a next() or skip_to() returns non-NULL result.
Definition at line 59 of file branchpostlist.h.
References matcher, and MultiMatch::recalc_maxweight().
Referenced by AndNotPostList::advance_to_next_match(), OrPostList::check(), OrPostList::next(), AndMaybePostList::process_next_or_skip_to(), and OrPostList::skip_to().
| BranchPostList& BranchPostList::operator= | ( | const BranchPostList & | ) | [private] |
Member Data Documentation
PostList* BranchPostList::l [protected] |
Left sub-postlist.
Definition at line 44 of file branchpostlist.h.
Referenced by AndNotPostList::advance_to_next_match(), AndMaybePostList::AndMaybePostList(), OrPostList::at_end(), OrPostList::check(), OrPostList::count_matching_subqs(), AndNotPostList::count_matching_subqs(), AndMaybePostList::count_matching_subqs(), OrPostList::get_description(), AndNotPostList::get_description(), AndMaybePostList::get_description(), OrPostList::get_doclength(), AndNotPostList::get_doclength(), AndMaybePostList::get_doclength(), AndNotPostList::get_maxweight(), OrPostList::get_termfreq_est(), AndNotPostList::get_termfreq_est(), AndMaybePostList::get_termfreq_est(), OrPostList::get_termfreq_est_using_stats(), AndNotPostList::get_termfreq_est_using_stats(), AndMaybePostList::get_termfreq_est_using_stats(), OrPostList::get_termfreq_max(), AndNotPostList::get_termfreq_max(), AndMaybePostList::get_termfreq_max(), OrPostList::get_termfreq_min(), AndNotPostList::get_termfreq_min(), AndMaybePostList::get_termfreq_min(), OrPostList::get_wdf(), AndNotPostList::get_wdf(), AndMaybePostList::get_wdf(), OrPostList::get_weight(), AndNotPostList::get_weight(), AndMaybePostList::get_weight(), OrPostList::next(), AndNotPostList::next(), AndMaybePostList::next(), AndMaybePostList::process_next_or_skip_to(), OrPostList::recalc_maxweight(), AndNotPostList::recalc_maxweight(), AndMaybePostList::recalc_maxweight(), OrPostList::skip_to(), AndNotPostList::skip_to(), AndMaybePostList::skip_to(), AndMaybePostList::sync_rhs(), and ~BranchPostList().
MultiMatch* BranchPostList::matcher [protected] |
The object which is using this postlist to perform a match.
This object needs to be notified when the tree changes such that the maximum weights need to be recalculated.
Definition at line 54 of file branchpostlist.h.
Referenced by AndNotPostList::advance_to_next_match(), OrPostList::check(), handle_prune(), OrPostList::next(), AndMaybePostList::next(), AndMaybePostList::process_next_or_skip_to(), OrPostList::skip_to(), AndMaybePostList::skip_to(), and AndMaybePostList::sync_rhs().
PostList* BranchPostList::r [protected] |
Right sub-postlist.
Definition at line 47 of file branchpostlist.h.
Referenced by AndNotPostList::advance_to_next_match(), AndMaybePostList::AndMaybePostList(), OrPostList::at_end(), OrPostList::check(), OrPostList::count_matching_subqs(), AndMaybePostList::count_matching_subqs(), OrPostList::get_description(), AndNotPostList::get_description(), AndMaybePostList::get_description(), OrPostList::get_doclength(), AndMaybePostList::get_doclength(), OrPostList::get_termfreq_est(), AndNotPostList::get_termfreq_est(), OrPostList::get_termfreq_est_using_stats(), AndNotPostList::get_termfreq_est_using_stats(), OrPostList::get_termfreq_max(), OrPostList::get_termfreq_min(), AndNotPostList::get_termfreq_min(), OrPostList::get_wdf(), AndMaybePostList::get_wdf(), OrPostList::get_weight(), AndMaybePostList::get_weight(), OrPostList::next(), AndMaybePostList::next(), AndMaybePostList::process_next_or_skip_to(), OrPostList::recalc_maxweight(), AndMaybePostList::recalc_maxweight(), OrPostList::skip_to(), AndMaybePostList::skip_to(), AndMaybePostList::sync_rhs(), and ~BranchPostList().
The documentation for this class was generated from the following files:
- matcher/branchpostlist.h
- matcher/branchpostlist.cc