TAtomicPredicate Class Reference

Atomic predicate - encapsulates comparison operations. More...

#include <table.h>

Collaboration diagram for TAtomicPredicate:

Public Member Functions
	TAtomicPredicate ()
	Default constructor. More...
	TAtomicPredicate (TAttrType Typ, TBool IsCnst, TPredComp Cmp, TStr L, TStr R, TInt ICnst, TFlt FCnst, TStr SCnst)
	Construct predicate from given comparison op, variables and constants. More...
	TAtomicPredicate (TAttrType Typ, TBool IsCnst, TPredComp Cmp, TStr L, TStr R)
	Compact prototype for constructing non-const atomic predicate. More...

Private Attributes
TAttrType	Type
	Type of the predicate variables. More...
TBool	IsConst
	Flag if this atomic node represents a constant value. More...
TPredComp	Compare
	Comparison op represented by this node. More...
TStr	Lvar
	Left variable of the comparison op. More...
TStr	Rvar
	Right variable of the comparison op. More...
TInt	IntConst
	Int const value if this object is an integer constant. More...
TFlt	FltConst
	Flt const value if this object is a float constant. More...
TStr	StrConst
	Str const value if this object is a string constant. More...

Friends
class	TPredicate
class	TPredicateNode

Detailed Description

Atomic predicate - encapsulates comparison operations.

Definition at line 15 of file table.h.

Constructor & Destructor Documentation

TAtomicPredicate::TAtomicPredicate ( )

inline

Default constructor.

Definition at line 30 of file table.h.

                       : Type(atInt), IsConst(true), 
      Compare(EQ), Lvar(""), Rvar(""), 
      IntConst(0), FltConst(0), StrConst("") {}

TAtomicPredicate::TAtomicPredicate ( TAttrType  Typ, TBool  IsCnst, TPredComp  Cmp, TStr  L, TStr  R, TInt  ICnst, TFlt  FCnst, TStr  SCnst  )

inline

Construct predicate from given comparison op, variables and constants.

Definition at line 37 of file table.h.

                                        : Type(Typ), IsConst(IsCnst), 
      Compare(Cmp), Lvar(L), Rvar(R), IntConst(ICnst), FltConst(FCnst),
      StrConst(SCnst) {}

TAtomicPredicate::TAtomicPredicate ( TAttrType  Typ, TBool  IsCnst, TPredComp  Cmp, TStr  L, TStr  R  )

inline

Compact prototype for constructing non-const atomic predicate.

Definition at line 42 of file table.h.

                                                                                 :
      Type(Typ), IsConst(IsCnst), Compare(Cmp), Lvar(L), Rvar(R), IntConst(0), 
      FltConst(0), StrConst("") {}

Friends And Related Function Documentation

friend class TPredicate

friend

Definition at line 45 of file table.h.

friend class TPredicateNode

friend

Definition at line 46 of file table.h.

Member Data Documentation

TPredComp TAtomicPredicate::Compare

private

Comparison op represented by this node.

Definition at line 19 of file table.h.

Referenced by TPredicate::EvalAtomicPredicate().

TFlt TAtomicPredicate::FltConst

private

Flt const value if this object is a float constant.

Definition at line 23 of file table.h.

Referenced by TPredicate::EvalAtomicPredicate().

TInt TAtomicPredicate::IntConst

private

Int const value if this object is an integer constant.

Definition at line 22 of file table.h.

Referenced by TPredicate::EvalAtomicPredicate().

TBool TAtomicPredicate::IsConst

private

Flag if this atomic node represents a constant value.

Definition at line 18 of file table.h.

Referenced by TPredicate::EvalAtomicPredicate().

TStr TAtomicPredicate::Lvar

private

Left variable of the comparison op.

Definition at line 20 of file table.h.

Referenced by TPredicate::EvalAtomicPredicate(), and TPredicateNode::GetVariables().

TStr TAtomicPredicate::Rvar

private

Right variable of the comparison op.

Definition at line 21 of file table.h.

Referenced by TPredicate::EvalAtomicPredicate(), and TPredicateNode::GetVariables().

TStr TAtomicPredicate::StrConst

private

Str const value if this object is a string constant.

Definition at line 24 of file table.h.

Referenced by TPredicate::EvalAtomicPredicate().

TAttrType TAtomicPredicate::Type

private

Type of the predicate variables.

Definition at line 17 of file table.h.

Referenced by TPredicate::EvalAtomicPredicate().

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

• snap-core/table.h