Postlist which matches terms occurring within a specified window.
NearPostList(PostList *source_, EstimateOp *estimate_op_, Xapian::termpos window_, const std::vector< PostList * >::const_iterator &terms_begin, const std::vector< PostList * >::const_iterator &terms_end, PostListTree *pltree_)
std::vector< PostList * > terms
Xapian::termcount get_wdf() const
Return the wdf for the document at the current position.
std::string get_description() const
Return a string description of this object.
bool test_doc()
Test if the current document contains the terms within the window.
Base class for classes which filter another PostList.
Abstract base class for postlists.
Base class for classes which filter another PostList.