OWBI1::WQLCompile Class Reference

#include <OWBI1_WQLCompile.hpp>

Collaboration diagram for OWBI1::WQLCompile:

[legend]List of all members.

Public Types
typedef Array< term_el >	TableauRow
typedef Array< TableauRow >	Tableau
enum	el_type { EVAL_HEAP, TERMINAL_HEAP, OPERAND }
Public Member Functions
	WQLCompile ()
	WQLCompile (const WQLSelectStatement &wqs)
	~WQLCompile ()
void	compile (const WQLSelectStatement *wqs)
const Tableau &	getTableau () const
bool	evaluate (const WQLPropertySource &source) const
	Evalautes the where clause using the symbol table to resolve symbols.
void	print (std::ostream &ostr)
void	printTableau (std::ostream &ostr)
Private Member Functions
void	_buildEvalHeap (const WQLSelectStatement *wqs)
void	_pushNOTDown ()
void	_factoring ()
void	_gatherDisj (Array< stack_el > &stk)
void	_gatherConj (Array< stack_el > &stk, stack_el sel)
void	_gather (Array< stack_el > &stk, stack_el sel, bool or_flag)
void	_sortTableau ()
Static Private Member Functions
static void	_ResolveProperty (WQLOperand &op, const WQLPropertySource &source)
Private Attributes
Tableau	_tableau
Array< term_el >	terminal_heap
Array< eval_el >	eval_heap
Classes
struct	eval_el
struct	stack_el
struct	term_el

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Detailed Description

Definition at line 39 of file OWBI1_WQLCompile.hpp.

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Member Typedef Documentation

typedef Array<TableauRow> OWBI1::WQLCompile::Tableau

Definition at line 119 of file OWBI1_WQLCompile.hpp.

typedef Array<term_el> OWBI1::WQLCompile::TableauRow

Definition at line 117 of file OWBI1_WQLCompile.hpp.

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Member Enumeration Documentation

enum OWBI1::WQLCompile::el_type

Enumerator: EVAL_HEAP  TERMINAL_HEAP  OPERAND  Definition at line 61 of file OWBI1_WQLCompile.hpp.

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Constructor & Destructor Documentation

OWBI1::WQLCompile::WQLCompile (   )

Definition at line 197 of file OWBI1_WQLCompile.cpp.

OWBI1::WQLCompile::WQLCompile (  const WQLSelectStatement &  wqs  )

Definition at line 200 of file OWBI1_WQLCompile.cpp. References compile().

OWBI1::WQLCompile::~WQLCompile (   )

Definition at line 204 of file OWBI1_WQLCompile.cpp.

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Member Function Documentation

void OWBI1::WQLCompile::_buildEvalHeap (  const WQLSelectStatement *  wqs  )  [private]

Definition at line 367 of file OWBI1_WQLCompile.cpp. References OWBI1::WQLSelectStatement::_operStack, OWBI1::Array< T >::append(), EVAL_HEAP, eval_heap, i, OPERAND, OWBI1::WQLSelectStatement::OperandOrOperation::OPERAND, OWBI1::WQLCompile::stack_el::opn, OW_ASSERT, OWBI1::Array< T >::push_back(), OWBI1::Array< T >::size(), terminal_heap, TERMINAL_HEAP, OWBI1::WQLCompile::stack_el::type, OWBI1::WQL_AND, OWBI1::WQL_DO_NOTHING, OWBI1::WQL_EQ, OWBI1::WQL_GE, OWBI1::WQL_GT, OWBI1::WQL_ISA, OWBI1::WQL_LE, OWBI1::WQL_LT, OWBI1::WQL_NE, OWBI1::WQL_NOT, and OWBI1::WQL_OR.

void OWBI1::WQLCompile::_factoring (   )  [private]

Definition at line 534 of file OWBI1_WQLCompile.cpp. References OWBI1::Array< T >::append(), EVAL_HEAP, eval_heap, i, index, OWBI1::Array< T >::insert(), s, OWBI1::Array< T >::size(), OWBI1::WQL_AND, and OWBI1::WQL_OR.

void OWBI1::WQLCompile::_gather (  Array< stack_el > &  stk, stack_el  sel, bool  or_flag )  [private]

Definition at line 628 of file OWBI1_WQLCompile.cpp. References OWBI1::Array< T >::append(), OWBI1::Array< T >::empty(), EVAL_HEAP, eval_heap, i, OWBI1::Array< T >::insert(), OWBI1::Array< T >::remove(), OWBI1::Array< T >::size(), type, OWBI1::WQLCompile::stack_el::type, OWBI1::WQL_AND, OWBI1::WQL_DO_NOTHING, and OWBI1::WQL_OR. Referenced by _gatherConj(), and _gatherDisj().

void OWBI1::WQLCompile::_gatherConj (  Array< stack_el > &  stk, stack_el  sel )  [private]

Definition at line 624 of file OWBI1_WQLCompile.cpp. References _gather().

void OWBI1::WQLCompile::_gatherDisj (  Array< stack_el > &  stk  )  [private]

Definition at line 620 of file OWBI1_WQLCompile.cpp. References _gather(), and TERMINAL_HEAP.

void OWBI1::WQLCompile::_pushNOTDown (   )  [private]

Definition at line 448 of file OWBI1_WQLCompile.cpp. References EVAL_HEAP, eval_heap, i, OWBI1::Array< T >::size(), OWBI1::WQL_DO_NOTHING, and OWBI1::WQL_NOT.

static void OWBI1::WQLCompile::_ResolveProperty (  WQLOperand &  op, const WQLPropertySource &  source )  [inline, static, private]

Definition at line 146 of file OWBI1_WQLCompile.hpp. References OWBI1::WQLOperand::getPropertyName(), OWBI1::WQLOperand::getType(), OWBI1::WQLPropertySource::getValue(), OWBI1_THROW, and OWBI1::WQLOperand::PROPERTY_NAME.

void OWBI1::WQLCompile::_sortTableau (   )  [private]

Definition at line 685 of file OWBI1_WQLCompile.cpp. References _tableau, i, OWBI1::WQLOperand::PROPERTY_NAME, OWBI1::Array< T >::size(), OWBI1::WQL_GE, OWBI1::WQL_GT, OWBI1::WQL_LE, and OWBI1::WQL_LT.

void OWBI1::WQLCompile::compile (  const WQLSelectStatement *  wqs  )

Definition at line 207 of file OWBI1_WQLCompile.cpp. References OWBI1::WQLSelectStatement::hasWhereClause(). Referenced by OWBI1::WQLSelectStatement::compileWhereClause(), and WQLCompile().

bool OWBI1::WQLCompile::evaluate (  const WQLPropertySource &  source  )  const

Evalautes the where clause using the symbol table to resolve symbols. Returns: true or false if the source passes the query Exceptions: NoSuchPropertyException  if the where clause references a property that is unknown to source. TypeMismatchException  if the there is a type error in the where clause or if the property type of the source property doesn't match the query. Definition at line 250 of file OWBI1_WQLCompile.cpp. References _tableau, className, OWBI1::WQLPropertySource::evaluateISA(), i, OWBI1::WQLOperand::PROPERTY_NAME, OWBI1::Array< T >::size(), and OWBI1::WQL_ISA.

const Tableau& OWBI1::WQLCompile::getTableau (   )  const [inline]

Definition at line 126 of file OWBI1_WQLCompile.hpp.

void OWBI1::WQLCompile::print (  std::ostream &  ostr  )

Definition at line 307 of file OWBI1_WQLCompile.cpp. References EVAL_HEAP, eval_heap, i, OWBI1::Array< T >::size(), TERMINAL_HEAP, OWBI1::WQL_DO_NOTHING, and OWBI1::WQLOperationToString().

void OWBI1::WQLCompile::printTableau (  std::ostream &  ostr  )

Definition at line 353 of file OWBI1_WQLCompile.cpp. References _tableau, i, OWBI1::Array< T >::size(), and OWBI1::WQLOperationToString().

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Member Data Documentation

Tableau OWBI1::WQLCompile::_tableau [private]

Definition at line 167 of file OWBI1_WQLCompile.hpp. Referenced by _sortTableau(), evaluate(), and printTableau().

Array<eval_el> OWBI1::WQLCompile::eval_heap [private]

Definition at line 174 of file OWBI1_WQLCompile.hpp. Referenced by _buildEvalHeap(), _factoring(), _gather(), _pushNOTDown(), and print().

Array<term_el> OWBI1::WQLCompile::terminal_heap [private]

Definition at line 173 of file OWBI1_WQLCompile.hpp. Referenced by _buildEvalHeap().

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

• OWBI1_WQLCompile.hpp
• OWBI1_WQLCompile.cpp

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