CQuerySequenceNode Class Reference

CQuerySequenceNode is an implementation of sequence operator, for example, "Mother and father". This class holds a sequence of nodes of type CQueryTokenNode (slot m_Items). Between m_Items[i] and m_Items[i+1] must be no more than m_Distances[i] tokens. More...

#include <QueryNode.h>

Inheritance diagram for CQuerySequenceNode:

Collaboration diagram for CQuerySequenceNode:

List of all members.

Public Member Functions

• CQuerySequenceNode ()
• virtual ~CQuerySequenceNode ()
• bool Create (const CConcHolder *pHolder, const vector< const CQueryNode * > &SequenceObj, const vector< string > &Distances)

  create the node during yacc parsing
  

• void EvaluateWithoutHits ()
• void Evaluate ()
• size_t GetNodeFrequenceByNodeIndex (size_t NodeIndex) const

Private Member Functions

• bool AddDistance (const char *s)

  add a distance to m_Distances, return false if the value is too large
  

Private Attributes

• vector< BYTE > m_Distances
• vector< CQueryTokenNode * > m_Items

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Detailed Description

CQuerySequenceNode is an implementation of sequence operator, for example, "Mother and father". This class holds a sequence of nodes of type CQueryTokenNode (slot m_Items). Between m_Items[i] and m_Items[i+1] must be no more than m_Distances[i] tokens.

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Constructor & Destructor Documentation

CQuerySequenceNode::CQuerySequenceNode

(

)

References CQueryNode::m_bAtomic.

CQuerySequenceNode::~CQuerySequenceNode

(

)

[virtual]

References m_Items.

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Member Function Documentation

bool CQuerySequenceNode::AddDistance

(

const char *

s

)

[private]

add a distance to m_Distances, return false if the value is too large

References m_Distances, and MaxDistanceForNear.

Referenced by Create().

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bool CQuerySequenceNode::Create	(	const CConcHolder *	pHolder,
		const vector< const CQueryNode * > &	SequenceObj,
		const vector< string > &	Distances
	)

create the node during yacc parsing

References AddDistance(), m_Items, and CQueryNode::SetHolder().

Referenced by yyqparse().

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void CQuerySequenceNode::EvaluateWithoutHits

(

)

[virtual]

Reimplemented from CQueryNode.

References CQueryNode::AddOccurrences(), CQueryNode::ClearAndReserveOccurrences(), GetOccurrencesSize, CQueryNode::m_ChunkLengths, m_Distances, m_Items, and CQueryNode::m_Occurrences.

Referenced by Evaluate().

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void CQuerySequenceNode::Evaluate

(

)

[virtual]

Reimplemented from CQueryNode.

References CQueryNode::ConvertOccurrencesToHitsForPatterns(), and EvaluateWithoutHits().

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size_t CQuerySequenceNode::GetNodeFrequenceByNodeIndex

(

size_t

NodeIndex

)

const [virtual]

Reimplemented from CQueryNode.

References m_Items.

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Member Data Documentation

vector<BYTE> CQuerySequenceNode::m_Distances [private]

Referenced by AddDistance(), and EvaluateWithoutHits().

vector<CQueryTokenNode*> CQuerySequenceNode::m_Items [private]

Referenced by Create(), EvaluateWithoutHits(), GetNodeFrequenceByNodeIndex(), and ~CQuerySequenceNode().

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

• QueryNode.h
• QueryNode.cpp