iOS & macOS Charting Documentation - SciChart iOS & macOS Charts SDK v4.x

SCIObjectPool

@interface SCIObjectPool<T> : NSObject <ISCICleanable>

Defines a simple object pool implementation which allows to reuse object instances.

-initWithFactory:
Initializes a new SCIObjectPool instance.
Declaration
Objective-C

- (nonnull instancetype)initWithFactory:(nonnull SCIFactory)factory;
Swift

init(factory: @escaping SCIFactory)
Parameters

factory

The default factory which allows to create new instances for pooling.




count

Gets the size of pool.

Declaration

Objective-C

@property (nonatomic, readonly) unsigned int count;

Swift

var count: UInt32 { get }

isEmpty
Get the value indicating whether the pool is empty.
Declaration
Objective-C

@property (nonatomic, readonly) BOOL isEmpty;
Swift

var isEmpty: Bool { get }
-get
Gets the item from the pool, if pool is empty default object factory is used.
Declaration
Objective-C

- (nonnull T)get;
Swift

func get() -> T
Return Value

Object from pool.
-getWithFactory:
Gets the item from the pool, if pool is empty default object factory is used.
Declaration
Objective-C

- (nonnull T)getWithFactory:(nonnull SCIFactory)factory;
Swift

func getWithFactory(_ factory: @escaping SCIFactory) -> T
Parameters

factory

The factory to use if pool doesn’t have enough items.

Return Value

Object from pool.
-put:
Put item into pool for further reusing.
Declaration
Objective-C

- (void)put:(nonnull T)item;
Swift

func put(_ item: T)
Parameters

item

The item to put into this pool.