Iterator Class

Class Hierarchy

Syntax

C++

class Iterator;

File

daiIterator.h

Description

An abstract class that provides the interface of an iterator for traversing through an aggregate. An iterator provides sequential access to data objects in an aggregate. Sequential access assumes that before getting access to an element you have to read elements that are placed before the desired element in the aggregate.

Group

Classes

Methods

~Iterator

Destroys the iterator object.

Iterator Methods

addAfterCurrentMember	Adds a new specified element to the list aggregate after the element referred to by the iterator. The new element is added after the current element; the current element that the iterator refers to is not changed.
addBeforeCurrentMember	Adds a new specified element to the list aggregate before the element referred to by the iterator. The new element is added before the current element; the current element that the iterator refers to is not changed.
beginning	Moves the iterator to the beginning of an aggregate instance. When the iterator is at the beginning of an aggregate, it doesn't refer to an element (there is no current element).
createAggrInstanceAfterCurrentMember	Creates an aggregate and places it after the current element referred to by the iterator.
createAggrInstanceAsCurrentMember	Creates an aggregate and makes it the current element of the iterator. The created aggregate replaces the current item referred to by the iterator.
createAggrInstanceBeforeCurrentMember	Creates an aggregate and places it before the current element referred to by the iterator.
end	Moves the iterator to the end of an aggregate instance. When the iterator is at the end of an aggregate, it doesn't refer to an element (there is no current element).
getCurrentMember	Retrieves the current element of an aggregate referred to by the iterator.
getCurrentMemberValue	Retrieves the value of the current element of an aggregate referred to by the iterator.
getValueBound	Retrieves the value bound of the current element referred to by the iterator.
next	Moves the iterator to the next element of an aggregate relative to the current one. The next element becomes the current one unless the end of an aggregate is reached.
previous	Moves the iterator to the previous element of an aggregate relative to the current one. The previous element becomes the current one unless the beginning of an aggregate is reached.
putCurrentMember	Sets a new current element of an aggregate for the iterator. The new element replaces the previously current element.
removeCurrentMember	Removes the current element from an aggregate.
testCurrentMember	Determines whether the value of the current array element referred to by the iterator is set.
type	Retrieves the type of the current element referred to by the iterator.

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