// -*- mode: c++ -*-
#ifndef _CQUERYTREENODE
#define _CQUERYTREENODE
#include "CQuery.h"
#include "CBaseTypeFactory.h"
#include "CSelfDestroyPointer.h"
#include "CMagic.h"
class CAlgorithm;
/** This class does nothing but wrap the
current query interface in a way, that
it can be used with CORBA
*/
class CQueryTreeNode:public CMagic{
/**
type of the children of this
*/
typedef list<pair<CQueryTreeNode*,double> > CChildren;
/** The children of this */
CChildren mChildren;
/**
The content of this. It is constructed, when
CQueryTreeNode::configure is called
*/
CQuery* mContent;
/**
A simplistic factory making CQuerie and
derived classes.
*/
CBaseTypeFactory mFactory;
/**
the current Algorithm of this query
*/
CSelfDestroyPointer<CAlgorithm> mAlgorithm;
public:
/** Construct this */
CQueryTreeNode();
/** Destruct this: delete all the children of this */
~CQueryTreeNode();
/** Configure this. This means:
create a descendant of CQuery, and set its children*/
void configure(list<pair<string,string> >,
CAccessorCollection& inAccessors);
/**
*
* do a query
*
*/
virtual CXMLElement* query(const CXMLElement& inQuery);
/**
*
* @short a query which returns ID/RelevanceLevel pairs instead of
* instead of URL/RelevanceLevel pairs
*
*/
virtual CIDRelevanceLevelPairList* fastQuery(const CXMLElement& inQuery,
int inNumberOfInterestingImages,
double inDifferenceToBest);
/**
*
* @short a query which returns ID/RelevanceLevel pairs instead of
* instead of URL/RelevanceLevel pairs
*
*/
void addChild(CQueryTreeNode* inChild,
double inWeight=1);
};
#endif
Documentation generated by muellerw@pc7170 on Son Okt 8 16:04:40 CEST 2000