FSAMap Class Reference
Represents mapping of variables to their first straight ancestor (FSA) variable. More...
#include <fsamap.h>
Public Member Functions | |
| virtual | ~FSAMap () |
| void | insertFSA (unsigned var, unsigned fsa) |
| Inserts a new variable with its first straight ancestor (FSA) variable. | |
| void | print (OutputStream &dos) |
| Prints all variables with their first straight ancestor (FSA) variable. | |
| unsigned | getFSA (unsigned var) |
| Returns the first straight ancestor (FSA) variable for the entered variable. | |
Static Public Member Functions | |
| static FSAMap * | getInstance () |
| Returns instance of FSAMap. | |
Private Member Functions | |
| FSAMap () | |
| Constructor. | |
Private Attributes | |
| VarVarMap | fsamap |
| The underlying map of this object. | |
Static Private Attributes | |
| static FSAMap * | instance = NULL |
| Instance of FSAMap. | |
Detailed Description
Represents mapping of variables to their first straight ancestor (FSA) variable.
Represents mapping of variables to their first straight ancestor (FSA) variable, which takes therefore two variables, e.g. FSA($x) = $y, as arguments.
- Note:
- Variables are internally represented by numbers!
SINGLETON PATTERN!
- Version:
- 2.1
- License:
- Software License Agreement (BSD License)
Definition at line 63 of file fsamap.h.
Constructor & Destructor Documentation
| FSAMap::~FSAMap | ( | ) | [virtual] |
Destructor.
Definition at line 52 of file fsamap.cpp.
| FSAMap::FSAMap | ( | ) | [private] |
Constructor.
Constructor - creating object.
Definition at line 48 of file fsamap.cpp.
References fsamap, and TAGID_ROOT.
Referenced by getInstance().
Member Function Documentation
| unsigned FSAMap::getFSA | ( | unsigned | var | ) |
Returns the first straight ancestor (FSA) variable for the entered variable.
Returns the first straight ancestor (FSA) variable for the entered variable.
- Parameters:
-
[in] var Variable for which first straight ancestor (FSA) variable should be obtained.
- Return values:
-
unsigned First straight ancestor (FSA) variable for the entered variable.
Definition at line 68 of file fsamap.cpp.
References fsamap.
Referenced by ForExpression::extractFSAMap(), and ProjectionTreeLabel::getFSALabel().
| static FSAMap * FSAMap::getInstance | ( | ) | [static] |
Returns instance of FSAMap.
Returns instance of FSAMap, i.e. of this object.
- Return values:
-
FSAMap* Pointer to a FSAMap object.
Definition at line 40 of file fsamap.cpp.
References FSAMap(), and instance.
Referenced by Executor::collectQueryInformation(), ProjectionTreeLabel::getAxisFollowingFSA(), ProjectionTreeLabel::getFSALabel(), print(), and Executor::~Executor().
| void FSAMap::insertFSA | ( | unsigned | var, | |
| unsigned | fsa | |||
| ) |
Inserts a new variable with its first straight ancestor (FSA) variable.
Inserts a new variable with its first straight ancestor (FSA) variable.
- Parameters:
-
[in] var Variable for which first straight ancestor (FSA) variable holds. [in] fsa First straight ancestor (FSA) variable.
- Return values:
-
void
Definition at line 55 of file fsamap.cpp.
References fsamap.
Referenced by ForExpression::extractFSAMap().
| void FSAMap::print | ( | OutputStream & | dos | ) |
Prints all variables with their first straight ancestor (FSA) variable.
Prints all variables with their first straight ancestor (FSA) variable.
- Parameters:
-
[in] dos Pointer to a OutputStream object.
- Return values:
-
void
Definition at line 59 of file fsamap.cpp.
References fsamap, getInstance(), and NEWLINE.
Referenced by Executor::collectQueryInformation().
Member Data Documentation
VarVarMap FSAMap::fsamap [private] |
static FSAMap * FSAMap::instance = NULL [static, private] |
Instance of FSAMap.
Instance of FSAMap to avoid duplicate existence of this object.
Definition at line 108 of file fsamap.h.
Referenced by getInstance().
