class Queue

Queue class

Inheritance:

Queue

Public Methods

Void	Queue::Delete (Void *obj) Deletes 1st item (from "current") which "object" corresponds to
Void	Queue::DeleteAll () Deletes all items in Q (not objects!)
Void*	Queue::DeleteAt (Int index) Deletes item at position ; returns the object
Void	Queue::DeleteCurrent () Kratky_komentar_s_teckou_na_konci
Void*	Queue::First () Returns the 1st object; sets "current" to this item
Err	Queue::Insert (Void *obj) Inserts the object to the end of queue
Int	Queue::InsertAt (Void *obj, Int index) Kratky_komentar_s_teckou_na_konci
Err	Queue::InsertAtCurrent (Void *obj) Kratky_komentar_s_teckou_na_konci
Void*	Queue::ItemAt (Int index) Returns object at the position sets "current" to this item
Int	Queue::ItemsOfQ () Returns number of items in Q
Void*	Queue::Next () Returns the next (=current's successor) object; sets "current" to this item
	Queue::Queue () Kratky_komentar_s_teckou_na_konci
Void	Queue::SetCurrent (Int index) Kratky_komentar_s_teckou_na_konci
Void	Queue::SetCurrent (Void *obj) Kratky_komentar_s_teckou_na_konci
	Queue::~Queue () Kratky_komentar_s_teckou_na_konci

Public

methods Queue () constructor virtual ~Queue () destructor virtual Err Insert (Void *obj) Inserts at the end of Q virtual Int InsertAt (Void *obj, Int index) Inserts at position ; returns the real position of storage Void Delete (Void *obj) Deletes 1st item which "object" corresponds to Void* DeleteAt (Int index) Deletes item at position; return the pointer to the object Void DeleteAll () Deletes all items in Q Void* First () Returns the 1st object in Q Void* Next () Returns the "current's successor" object; sets the "current" to it Void* ItemAt (Int index) Returns the object at position Int ItemsOfQ () Returns number of items in Q

Protected

	attributes
	methods Void SetCurrent (Int index) Sets "current" pointer to the item at -th position Void SetCurrent (Void *obj) Sets "current" to the item which object corresponds to virtual Err InsertAtCurrent (Void *obj) Inserts at "current"; doesn't care about "first" setting Void DeleteCurrent () Deletes the "current" item (new current will be the next one)

attributes

methods

Void SetCurrent(Int index)

Sets "current" pointer to the item at -th position

Void SetCurrent(Void *obj)

Sets "current" to the item which object corresponds to

virtual Err InsertAtCurrent(Void *obj)

Inserts at "current"; doesn't care about "first" setting

Void DeleteCurrent()

Deletes the "current" item (new current will be the next one)

methods

Queue()

constructor

virtual ~Queue()

destructor

virtual Err Insert(Void *obj)

Inserts at the end of Q

virtual Int InsertAt(Void *obj, Int index)

Inserts at position ; returns the real position of storage

Void Delete(Void *obj)

Deletes 1st item which "object" corresponds to

Void* DeleteAt(Int index)

Deletes item at position; return the pointer to the object

Void DeleteAll()

Deletes all items in Q

Void* First()

Returns the 1st object in Q

Void* Next()

Returns the "current's successor" object; sets the "current" to it

Void* ItemAt(Int index)

Returns the object at position

Int ItemsOfQ()

Returns number of items in Q

Void Queue::Delete(Void *obj)

Deletes 1st item (from "current") which "object" corresponds to . Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Ivanka

See Also:

co_se_toho_tyka

Void Queue::DeleteAll()

Deletes all items in Q (not objects!). Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Ivanka

See Also:

co_se_toho_tyka

Void* Queue::DeleteAt(Int index)

Deletes item at position ; returns the object. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Ivanka

See Also:

co_se_toho_tyka

Void Queue::DeleteCurrent()

Kratky_komentar_s_teckou_na_konci. Deletes "current" item; sets new "current" to it's successor does care about "first" setting !! every 'DELETE(method)' in Q should first set the "current" and then use this method (except 'DeleteAll' or st. like this).

Returns:

co

Parameters:

parametr -

Author:

Ivanka

See Also:

co_se_toho_tyka

Void* Queue::First()

Returns the 1st object; sets "current" to this item. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Ivanka

See Also:

co_se_toho_tyka

Err Queue::Insert(Void *obj)

Inserts the object to the end of queue. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Ivanka

See Also:

co_se_toho_tyka

Int Queue::InsertAt(Void *obj, Int index)

Kratky_komentar_s_teckou_na_konci. Inserts the object at position (if it's possible) returns the index, where the object is really stored.

Returns:

co

Parameters:

parametr -

Author:

Ivanka

See Also:

co_se_toho_tyka

Err Queue::InsertAtCurrent(Void *obj)

Kratky_komentar_s_teckou_na_konci. Inserts the object at "current" ("shift old_current to the right") doesn't care about "first" setting !! every 'insert method' in Q should first set the "current" and then use this method

Returns:

co

Parameters:

parametr -

Author:

Ivanka

See Also:

co_se_toho_tyka

Void* Queue::ItemAt(Int index)

Returns object at the position sets "current" to this item. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Ivanka

See Also:

co_se_toho_tyka

Int Queue::ItemsOfQ()

Returns number of items in Q. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Ivanka

See Also:

co_se_toho_tyka

Void* Queue::Next()

Returns the next (=current's successor) object; sets "current" to this item. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Ivanka

See Also:

co_se_toho_tyka

Queue::Queue()

Kratky_komentar_s_teckou_na_konci. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Ivanka

See Also:

co_se_toho_tyka

Void Queue::SetCurrent(Int index)

Kratky_komentar_s_teckou_na_konci. Sets the current pointer to the item at position we don't mind, if the index > numOfItems because the Q is cyclic.

Returns:

co

Parameters:

parametr -

Author:

Ivanka

See Also:

co_se_toho_tyka

Void Queue::SetCurrent(Void *obj)

Kratky_komentar_s_teckou_na_konci. Sets "current" to the item which object corresponds to if there is no such item, "current" will be the same.

Returns:

co

Parameters:

parametr -

Author:

Ivanka

See Also:

co_se_toho_tyka

Queue::~Queue()

Kratky_komentar_s_teckou_na_konci. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Ivanka

See Also:

co_se_toho_tyka

Direct child classes:

SortedQueue
FieldQueue

Author:

Ivana

See Also:

alphabetic index hierarchy of classes

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