Class: Store

The Store contains all data that is known locally. It can be used to fetch additional data from the web and also update data and sync it back to editable resources.

Constructors

Constructor

new Store(session, offlineCache?, onlineStatus?, internalStore?): Store

Defined in: Store.ts:59

Parameters

internalStore?

IndexedFormula = ...

Returns

Store

Properties

additions$

additions$: Subject\<Quad\<Quad_Subject, Quad_Predicate, Quad_Object, Quad_Graph>>

Defined in: Store.ts:54

removals$

removals$: Subject\<Quad\<Quad_Subject, Quad_Predicate, Quad_Object, Quad_Graph>>

Defined in: Store.ts:55

Methods

addNewThing()

addNewThing(uri, name, type): Promise\<void>

Defined in: Store.ts:159

Parameters

uri

string

name

string

type

string

Returns

Promise\<void>

addPropertyValue()

addPropertyValue(thing, property, value): Promise\<void>

Defined in: Store.ts:121

Adds a new value to the property of the given thing

Parameters

thing

Thing

property

string

value

string

Returns

Promise\<void>

addRelation()

addRelation(thing, property, uri): Promise\<void>

Defined in: Store.ts:145

Adds a new relation (link) from the thing to the given uri using the property

Parameters

thing

Thing

property

string

uri

string

Returns

Promise\<void>

any()

any(subject?, predicate?, object?, graph?): Term | null

Defined in: Store.ts:325

Any one RDF/JS term matching the first wildcard in the provided quad pattern

Parameters

subject?

Quad_Subject | null

predicate?

Quad_Predicate | null

object?

Quad_Object | null

graph?

Quad_Graph | null

Returns

Term | null

RDF/JS term

anyValue()

anyValue(subject?, predicate?, object?, graph?): string | undefined

Defined in: Store.ts:361

Value of any one RDF/JS term matching the first wildcard in the provided quad pattern

Parameters

subject?

Quad_Subject | null

predicate?

Quad_Predicate | null

object?

Quad_Object | null

graph?

Quad_Graph | null

Returns

string | undefined

value of RDF/JS term

each()

each(subject?, predicate?, object?, graph?): Term[]

Defined in: Store.ts:292

RDF/JS terms matching the first wildcard in the provided quad pattern

Parameters

subject?

Quad_Subject | null

predicate?

Quad_Predicate | null

object?

Quad_Object | null

graph?

Quad_Graph | null

Returns

Term[]

Array of terms

executeUpdate()

executeUpdate(operation): Promise\<void>

Defined in: Store.ts:186

Parameters

operation

UpdateOperation

Returns

Promise\<void>

fetch()

fetch(uri): Promise\<Response>

Defined in: Store.ts:84

Fetch data for the given URI to the internalStore

Parameters

uri

string

Returns

Promise\<Response>

fetchAll()

fetchAll(uris): Promise\<PromiseSettledResult\<Response>[]>

Defined in: Store.ts:101

Fetch all the given URIs in parallel and put the data to the internalStore

Parameters

uris

string[]

Returns

Promise\<PromiseSettledResult\<Response>[]>

findMembers()

findMembers(classUri): string[]

Defined in: Store.ts:207

Finds instances of the given class or its sub-classes

Parameters

classUri

string

Returns

string[]

An array of URIs

findTypes()

findTypes(uri): string[]

Defined in: Store.ts:237

Finds types of the given resource

Parameters

uri

string | NamedNode | BlankNode

String or RDF/JS object

Returns

string[]

An array of URIs of types

flagAuthorizationMetadata()

flagAuthorizationMetadata(): void

Defined in: Store.ts:190

Returns

void

get()

get(uri): Thing

Defined in: Store.ts:110

Retrieve the thing identified by the given URI from the internalStore

Parameters

uri

string

Returns

Thing

holds()

holds(subject?, predicate?, object?, graph?): boolean

Defined in: Store.ts:251

Determines whether the store includes a certain quad pattern, returning true or false as appropriate.

Parameters

subject?

Quad_Subject | null

predicate?

Quad_Predicate | null

object?

Quad_Object | null

graph?

Quad_Graph | null

Returns

boolean

Whether the store includes the quad pattern

loadModule()

loadModule\<T>(module): T

Defined in: Store.ts:194

Type Parameters

T

T

Parameters

module

PodOsModule\<T>

Returns

T

observeFindMembers()

observeFindMembers(classUri): Observable\<string[]>

Defined in: Store.ts:216

Get an Observable that will push new results from findMembers when it changes

Parameters

classUri

string

Returns

Observable\<string[]>

Observable that pushes an array of URIs of instances of the given class or its sub-classes

preferencesQuery()

preferencesQuery(webId, preferencesDoc): PreferencesQuery

Defined in: Store.ts:378

Create a query to fetch information from a user's preferences file

Parameters

webId

string | NamedNode

preferencesDoc

string | NamedNode

Returns

PreferencesQuery

PreferencesQuery instance. See @solid-data-modules/rdflib-utils

profileQuery()

profileQuery(webId): ProfileQuery

Defined in: Store.ts:395

Create a query to fetch information from a user's profile document

Parameters

webId

string | NamedNode

Returns

ProfileQuery

ProfileQuery instance. See @solid-data-modules/rdflib-utils

statementsMatching()

statementsMatching(subject?, predicate?, object?, graph?): Statement\<SubjectType, PredicateType, ObjectType, GraphType>[]

Defined in: Store.ts:269

Statements matching the provided quad pattern

Parameters

subject?

Quad_Subject | null

predicate?

Quad_Predicate | null

object?

Quad_Object | null

graph?

Quad_Graph | null

Returns

Statement\<SubjectType, PredicateType, ObjectType, GraphType>[]

Array of statements