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StructQueryRep Class Reference

#include <StructQueryRep.hpp>

Inheritance diagram for StructQueryRep:

List of all members.

Public Methods
	StructQueryRep (StructQuery &qry, Index &dbIndex, double dbelief=0)
	Parse the text representation into a structured query rep.
virtual	~StructQueryRep ()
virtual QueryNode *	topnode ()
	Get the topnode of the query parse tree.
virtual void	setTopnode (QueryNode *qn)
	Set the topnode of the query parse tree.
Private Types
typedef QueryNode *(StructQueryRep::*	getFunc )(StructQuery &, TokenTerm *, double)
	pointer to member function for getting a node.
Private Methods
QnList *	getChildren (StructQuery &qry, getFunc fn, bool weigh=false)
	Parse the text representation of the children of a query node.
QueryNode *	getQryNode (StructQuery &qry, TokenTerm *tok, double w)
	Parse the text representation of a weighted query node.
QueryNode *	getProxQryNode (StructQuery &qry, TokenTerm *tok, double w=1.0)
	Parse the text representation of a proximity query node.
Private Attributes
QueryNode *	topNode
	Top node of the query parse tree.
QueryNode *	qStack [100]
	stack of query nodes for parsing nested nodes.
int	topqStack
double	dw
	default weight.
Index &	ind
	Our index.
int	numDocs
	number of docs in collection (reduce calls to docCount.

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Detailed Description

Structured query representation. Converts the textual representation of the structured query into a tree structure of QueryNodes. Constructs the proximity lists and DocInfoLists for the individual nodes, pruning the set of documents that will actually need to be scored.

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Member Typedef Documentation

typedef QueryNode*(StructQueryRep::* StructQueryRep::getFunc)(StructQuery &, TokenTerm *, double) [private]

pointer to member function for getting a node.

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Constructor & Destructor Documentation

StructQueryRep::StructQueryRep (  StructQuery &    qry, Index &    dbIndex, double    dbelief = 0 )

Parse the text representation into a structured query rep.

virtual StructQueryRep::~StructQueryRep (    )  [inline, virtual]

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Member Function Documentation

QnList * StructQueryRep::getChildren (  StructQuery &    qry, getFunc    fn, bool    weigh = false )  [private]

Parse the text representation of the children of a query node.

QueryNode * StructQueryRep::getProxQryNode (  StructQuery &    qry, TokenTerm *    tok, double    w = 1.0 )  [private]

Parse the text representation of a proximity query node.

QueryNode * StructQueryRep::getQryNode (  StructQuery &    qry, TokenTerm *    tok, double    w )  [private]

Parse the text representation of a weighted query node.

virtual void StructQueryRep::setTopnode (  QueryNode *    qn )  [inline, virtual]

Set the topnode of the query parse tree.

virtual QueryNode* StructQueryRep::topnode (    )  [inline, virtual]

Get the topnode of the query parse tree.

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Member Data Documentation

double StructQueryRep::dw [private]

default weight.

Index& StructQueryRep::ind [private]

Our index.

int StructQueryRep::numDocs [private]

number of docs in collection (reduce calls to docCount.

QueryNode* StructQueryRep::qStack[100] [private]

stack of query nodes for parsing nested nodes.

QueryNode* StructQueryRep::topNode [private]

Top node of the query parse tree.

int StructQueryRep::topqStack [private]

This is an accident waiting to happen! dmf index of top of qStack.

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

• StructQueryRep.hpp
• StructQueryRep.cpp

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