Class LRUBGPCache

An implementation of a BGPCache using an AsyncLRUCache

author: Thomas Minier

Hierarchy

LRUBGPCache

Implements

BGPCache

Index

Constructors

constructor

Properties

Methods

Constructors

constructor

new LRUBGPCache(maxSize: number, maxAge: number): LRUBGPCache

- Defined in src/engine/cache/bgp-cache.ts:90
Constructor

Parameters
- maxSize: number
  
  The maximum size of the cache
- maxAge: number
  
  Maximum age in ms
Returns LRUBGPCache

Properties

Private _allKeys

_allKeys: BinarySearchTree<string, SavedBGP>

Private _cache

_cache: AsyncLRUCache<string, Bindings, string>

Private _patternsPerBGP

_patternsPerBGP: Map<string, BasicGraphPattern>

Methods

commit

commit(bgp: BasicGraphPattern, writerID: string): void

Implementation of BGPCache.commit
- Defined in src/engine/cache/bgp-cache.ts:148
Parameters
- bgp: BasicGraphPattern
- writerID: string
Returns void

count

count(): number

Implementation of BGPCache.count
- Defined in src/engine/cache/bgp-cache.ts:160
Returns number

delete

delete(bgp: BasicGraphPattern, writerID: string): void

Implementation of BGPCache.delete
- Defined in src/engine/cache/bgp-cache.ts:152
Parameters
- bgp: BasicGraphPattern
- writerID: string
Returns void

findSubset

findSubset(bgp: BasicGraphPattern): [TripleObject[], TripleObject[]]

Implementation of BGPCache.findSubset
- Defined in src/engine/cache/bgp-cache.ts:164
Parameters
- bgp: BasicGraphPattern
Returns [TripleObject[], TripleObject[]]

get

get(bgp: BasicGraphPattern): Promise<Bindings[]> | null

Implementation of BGPCache.get
- Defined in src/engine/cache/bgp-cache.ts:128
Parameters
- bgp: BasicGraphPattern
Returns Promise<Bindings[]> | null

getAsPipeline

getAsPipeline(bgp: BasicGraphPattern, onCancel?: undefined | function): PipelineStage<Bindings>

- Defined in src/engine/cache/bgp-cache.ts:132
Parameters
- bgp: BasicGraphPattern
- Optional onCancel: undefined | function
Returns PipelineStage<Bindings>

has

has(bgp: BasicGraphPattern): boolean

Implementation of BGPCache.has
- Defined in src/engine/cache/bgp-cache.ts:114
Parameters
- bgp: BasicGraphPattern
Returns boolean

update

update(bgp: BasicGraphPattern, item: Bindings, writerID: string): void

Implementation of BGPCache.update
- Defined in src/engine/cache/bgp-cache.ts:118
Parameters
- bgp: BasicGraphPattern
- item: Bindings
- writerID: string
Returns void

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