ptl::ATDVList Class Reference

Abstract superclass for template lists that include a pointer to objects or objects as copies in the list. More...

#include <PtlATDVList.h>

Inheritance diagram for ptl::ATDVList:

Public Member Functions
	ATDVList (ListMode eMode=DEFAULT)
virtual	~ATDVList ()
int	currentElementCache (ElementCache eWhich)
int	getErrorCode ()
virtual ListMode	getListMode ()=0
std::size_t	getSize ()
VDVList *	getVDVList ()

Protected Attributes
VDVList *	m_VDVListe

Private Member Functions
	ATDVList (const ATDVList &)

Detailed Description

Abstract superclass for template lists that include a pointer to objects or objects as copies in the list.

Copyright

© 1995 Helmut Jakoby

Author

Helmut Jakoby

Constructor & Destructor Documentation

ATDVList() [1/2]

ptl::ATDVList::ATDVList

(

ListMode

eMode = DEFAULT

)

Constructor with optional parameter passing. List is empty at first. With the parameter eMode you can instantiate a list, which includes data objects several times (no parameter or DEFAULT) or only once (UNIQUE) and/or should be the owner of the data objects (RESPONSIBLE).

~ATDVList()

virtual ptl::ATDVList::~ATDVList ( )

virtual

Destructor, emptying list.

ATDVList() [2/2]

ptl::ATDVList::ATDVList ( const ATDVList & )

private

Copy constructor is not available. This is to prevent a programmer from passing an object from this class to a function, for example, by value.

Member Function Documentation

currentElementCache()

int ptl::ATDVList::currentElementCache ( ElementCache eWhich )

inline

This method allows you to cache the pointer to the current element. This allows e.g. to work through the list (which moves the current pointer) and then restore the current pointer.

Parameters

[in]

eWhich

Specifies whether the pointer to the current DV-element is buffered (M) or restored (RM).

Returns

A return value < 0 indicates an error.

getErrorCode()

int ptl::ATDVList::getErrorCode ( )

inline

Returns the last error code.

Should be called after insert methods to check if errors occurred.

If errors INSTANTIATE_DVELEMENT occurred, the instance should be deleted if no other error handling is implemented in subclasses.

Returns

A return value < 0 indicates an error.

See also

ERRORS

getListMode()

virtual ListMode ptl::ATDVList::getListMode ( )

inlinepure virtual

Returns the List mode.

Returns

The ListMode ptl::RESPONSIBLE is only possible for template lists that use this class. A combination of the values can also be supplied.

See also

ListMode

Example:

ptl::AVDVList  myList;
...
// if myList with UNIQUE-Bit...
if (myList.getListMode() & ptl::UNIQUE)
{
  // ..do something...
}

Here pure virtual, so this class is abstract.

Implemented in ptl::TDVList< T_DATA >, and ptl::TDVList< ini::Line >.

getSize()

std::size_t ptl::ATDVList::getSize ( )

inline

Returns the number of elements contained in the list.

Returns

The number of elements

Example:

ptl::AVDVList myList;
std::size_t nSize = myListe.getSize()

getVDVList()

VDVList * ptl::ATDVList::getVDVList ( )

inline

Returns the pointer to the capped VDVList. Used by iterator classes, for example, to work in this VDVList.

Returns

The referenced VDVList.

Member Data Documentation

m_VDVListe

VDVList* ptl::ATDVList::m_VDVListe

protected

Pointer to VDVList, which works with void pointers.

---

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

• PtlATDVList.h