Created
March 2, 2025 01:00
-
-
Save AimWhy/5b8cf8385d0e32ba66d91e8a5770cd7c to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| export interface IDisposable { | |
| dispose(): void; | |
| } | |
| export interface IReference<T> extends IDisposable { | |
| readonly object: T; | |
| } | |
| export interface IObjectData { | |
| getId(): unknown; | |
| } | |
| export interface IPooledObject<TData> extends IDisposable { | |
| setData(data: TData): void; | |
| } | |
| export class ObjectPool<TData extends IObjectData, T extends IPooledObject<TData>> implements IDisposable { | |
| private readonly _unused = new Set<T>(); | |
| private readonly _used = new Set<T>(); | |
| private readonly _itemData = new Map<T, TData>(); | |
| constructor( | |
| private readonly _create: (data: TData) => T, | |
| private readonly retain: number = 5 | |
| ) { } | |
| public getUnusedObj(data: TData): IReference<T> { | |
| let obj: T; | |
| if (this._unused.size === 0) { | |
| obj = this._create(data); | |
| this._itemData.set(obj, data); | |
| } else { | |
| const values = [...this._unused.values()]; | |
| obj = values.find(obj => this._itemData.get(obj)!.getId() === data.getId()) ?? values[0]; | |
| this._unused.delete(obj); | |
| this._itemData.set(obj, data); | |
| obj.setData(data); | |
| } | |
| this._used.add(obj); | |
| return { | |
| object: obj, | |
| dispose: () => { | |
| this._used.delete(obj); | |
| if (this._unused.size > this.retain) { | |
| obj.dispose(); | |
| } else { | |
| this._unused.add(obj); | |
| } | |
| } | |
| }; | |
| } | |
| dispose(): void { | |
| for (const obj of this._used) { | |
| obj.dispose(); | |
| } | |
| for (const obj of this._unused) { | |
| obj.dispose(); | |
| } | |
| this._used.clear(); | |
| this._unused.clear(); | |
| } | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment