SqlUtil::AbstractListContainer Class Reference

abstract container class that throws an exception if an unknown key is accessed More...

Inherits Serializable.

Public Member Methods
	add (auto val)
	adds the given value to the list
	constructor (softlist nl)
	creates the object with the list<auto> argument passed
bool	empty ()
	returns True if the container is empty, False if not
abstract auto	get (softint i)
	returns the value of the given element in the contained list if it exists, otherwise throws an ELEMENT-ERROR exception More...
abstract string	getElementName ()
	must return the name of the contained element
list< auto >	getList ()
	returns the list contained by this object
Qore::ListIterator	iterator ()
	Returns a ListIterator object for the contained list. More...
int	size ()
	Returns the number of elements in the contained list. More...
auto	take (int i)
	removes the given element from the contained list and returns the value
bool	val ()
	Returns False if the contained list is empty, True if not. More...

Detailed Description

abstract container class that throws an exception if an unknown key is accessed

Member Function Documentation

get()

abstract auto SqlUtil::AbstractListContainer::get ( softint  i )

pure virtual

returns the value of the given element in the contained list if it exists, otherwise throws an ELEMENT-ERROR exception

Example:

auto v = c.get(2);

Parameters

i	the index of the element to access

Returns

the value of the given index in the contained list if it exists

Exceptions

ELEMENT-ERROR

the given element does not exist in the contained list

iterator()

Qore::ListIterator SqlUtil::AbstractListContainer::iterator

(

)

Returns a ListIterator object for the contained list.

Example:

map printf("+ %s: %y\n", $1), h.iterator();

Returns

a HashIterator object for the contained hash

size()

int SqlUtil::AbstractListContainer::size

(

)

Returns the number of elements in the contained list.

Example:

int num = l.size();

Returns

the number of elements in the contained list

val()

bool SqlUtil::AbstractListContainer::val

(

)

Returns False if the contained list is empty, True if not.

Example:

bool b = l.val();

The opposite of empty()

Returns

False if the contained list is empty, True if not