LokiDataAdapter

Cache database using LokiJS

• Requires lokijs

Implements

• ImgProcDataAdapter

Constructors

new LokiDataAdapter()

new LokiDataAdapter(options?): LokiDataAdapter

Parameters

• options?: LokiDataAdapterOptions

Returns

LokiDataAdapter

Defined in

src/extras/LokiDataAdapter.ts:59

Properties

autosave

autosave: boolean

Defined in

src/extras/LokiDataAdapter.ts:49

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autosaveInterval

autosaveInterval: number

Defined in

src/extras/LokiDataAdapter.ts:50

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db

db: LokiConstructor

Defined in

src/extras/LokiDataAdapter.ts:56

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dbDir

dbDir: string

Defined in

src/extras/LokiDataAdapter.ts:47

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dbFile

dbFile: string

Defined in

src/extras/LokiDataAdapter.ts:46

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dbPath

dbPath: string = ":memory:"

Defined in

src/extras/LokiDataAdapter.ts:54

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files

files: Collection<ImgProcFileRecord>

Defined in

src/extras/LokiDataAdapter.ts:57

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isInMemory

isInMemory: boolean

Defined in

src/extras/LokiDataAdapter.ts:48

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retentionCount

retentionCount: null | number

Defined in

src/extras/LokiDataAdapter.ts:53

---

retentionPeriod

retentionPeriod: null | number = 10

Defined in

src/extras/LokiDataAdapter.ts:52

Methods

close()

close(): void

Save and close database

Returns

void

Implementation of

ImgProcDataAdapter.close

Defined in

src/extras/LokiDataAdapter.ts:268

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countdown()

countdown(): void

Countdown all records

Returns

void

Implementation of

ImgProcDataAdapter.countdown

Defined in

src/extras/LokiDataAdapter.ts:226

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delete()

delete(criteria): void

Delete the record

Parameters

• criteria: ImgProcDataAdapterCriteria

Returns

void

Implementation of

ImgProcDataAdapter.delete

Defined in

src/extras/LokiDataAdapter.ts:203

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deleteExpiredRecords()

deleteExpiredRecords(now): null | Set<string>

Delete expired records

Parameters

• now: number = ...

Unixtime (milliseconds)

Returns

null | Set<string>

Deleted hashes or null

Implementation of

ImgProcDataAdapter.deleteExpiredRecords

Defined in

src/extras/LokiDataAdapter.ts:240

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fetch()

fetch(criteria): null | object

Fetch single record

• To fetch a record with category source, specify hash.
• To fetch a record with category variant or placeholder, specify source and profile.

Parameters

• criteria: ImgProcDataAdapterCriteria

Returns

null | object

Implementation of

ImgProcDataAdapter.fetch

Defined in

src/extras/LokiDataAdapter.ts:154

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initialize()

initialize(options): Promise<void>

Async part of constructor

Parameters

• options: ImgProcDataAdapterInitOptions

Returns

Promise<void>

Implementation of

ImgProcDataAdapter.initialize

Defined in

src/extras/LokiDataAdapter.ts:77

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insert()

insert(data): void

Insert the record

Parameters

• data: ImgProcFile

Returns

void

Implementation of

ImgProcDataAdapter.insert

Defined in

src/extras/LokiDataAdapter.ts:175

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list()

list(): Set<string>

List all hashes

Returns

Set<string>

Implementation of

ImgProcDataAdapter.list

Defined in

src/extras/LokiDataAdapter.ts:166

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renew()

renew(criteria): void

Renew the record

Parameters

• criteria: ImgProcDataAdapterCriteria

Returns

void

Implementation of

ImgProcDataAdapter.renew

Defined in

src/extras/LokiDataAdapter.ts:207

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updateMetadata()

updateMetadata(data): void

Update the record for remote file

Parameters

• data

• data.b?: number

• data.expiresAt?: number

• data.format: string

• data.g?: number

• data.hash: string

• data.height: number

• data.r?: number

• data.width: number

Returns

void

Implementation of

ImgProcDataAdapter.updateMetadata

Defined in

src/extras/LokiDataAdapter.ts:183