IIntfMap/IIntfStrMap/IMap

Unit

lib_intf

Inheritance

Base interface

Methods

IIntfIterator

procedure Add(AObject: IInterface);
function GetObject: IInterface;
function HasNext: Boolean;
function HasPrevious: Boolean;
function Next: IInterface;
function NextIndex: Integer;
function Previous: IInterface;
function PreviousIndex: Integer;
procedure Remove;
procedure SetObject(AObject: IInterface);

IIterator

procedure Add(const AString: string);
function GetString: string;
function HasNext: Boolean;
function HasPrevious: Boolean;
function Next: string;
function NextIndex: Integer;
function Previous: string;
function PreviousIndex: Integer;
procedure Remove;
procedure SetString(const AString: string);

IIterator

procedure Add(AObject: TObject);
function GetObject: TObject;
function HasNext: Boolean;
function HasPrevious: Boolean;
function Next: TObject;
function NextIndex: Integer;
function Previous: TObject;
function PreviousIndex: Integer;
procedure Remove;
procedure SetObject(AObject: TObject);

Description

An Iterator is an entity that provides methods to access or manipulate objects contained in a collection.

Method Description
Add Add AObject in the collection at the current position of the iterator.
GetObject Return the object from the current position of the iterator.
HasNext Return True if there is an object in the collection at the next step of the iterator.
HasPrevious Return True if there is an object in the collection at the previous step of the iterator.
Next Return the object from the current position and increment the step of the iterator.
NextIndex Return the next index of the iterator.
Previous Decrement the step of the iterator and Return the object from the new current position.
PreviousIndex Return the previous index of the iterator.
Remove Remove the object from the collection at the current position of the iterator?
SetObject Set AObject in the collection at the current posistion of the iterator.

Implemented By