TDynHashArray

type TDynHashArray = class

protected

  procedure RebuildItems;

Rebuilds the internal data structures.

  procedure SaveCacheItem();

Sets the cache.

public

  constructor Create();

Constructor for the class instance.

  destructor Destroy; override;

Destructor for the class instance.

  procedure Add();

Adds an item to the set/array.

  function Contains();

Returns True if the item is in the set.

  function ContainsKey();

Returns True if the item is in the set.(through OnGetKeyForHashItem).

  procedure Remove();

Removes an element from the set/hash array.

  procedure Clear;

Removes all elements from the set/hash array.

  procedure ClearCache;

Clears the FContainsCache cache.

  function First;

Returns the first item or nil.

  property Count: Integer; [r]

Number of elements stored in the set/array.

  function IndexOf();

Returns calculated index from Item through OnGetKeyForHashItem.

  function IndexOfKey();

Returns calculated index from Item.

  function FindHashItem();

Finds an item as PDynHashArrayItem among all items.

  function FindHashItemWithKey();

Finds an item as PDynHashArrayItem among all items (through OnGetKeyForHashItem).

  function FindItemWithKey();

Finds an item among all items (through OnGetKeyForHashItem).

  function GetHashItem();

Gets a link list from the "main" array FItems by index.

  procedure Delete();

Deletes a PDynHashArrayItem from link list.

  procedure AssignTo();

Copies all items into a given TList.

  procedure ForEach();

Calls the specified function for each of the items in the hash array.

  function SlowAlternativeHashMethod();

Another hash function that can be used.

  function ConsistencyCheck;

Check if data in TDynHashArray are OK.

  procedure WriteDebugReport;

Prints out essential data to aid debugging TDynHashArray.

  property FirstHashItem: PDynHashArrayItem; [r]

Pointer which provides access to the first TDynHashArrayItem stored in the hash array.

  property MinCapacity: Integer; [rw]

The minimum number of items that will be allocated for an array.

  property MaxCapacity: Integer; [rw]

The size of the array cannot be larger than this number.

  property Capacity: Integer; [r]

Space is allocated for this number of items.

  property CustomHashFunction: THashFunction; [rw]

The pointer to the user-defined hash function.

  property OwnerHashFunction: TOwnerHashFunction; [rw]

The pointer to the user-defined hash function.

  property OnGetKeyForHashItem: TOnGetKeyForHashItem; [rw]

User-defined function to obtain a key from an item.

  property Options: TDynHashArrayOptions; [rw]

Set of TDynHashArrayOption values enabled for the class instance.

end;

TDynHashArray

Name of the class that store all functions and data for an hashed array.

TObject