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:57

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:136

Parameters

uri

string

name

string

type

string

Returns

Promise\<void>

addPropertyValue()

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

Defined in: Store.ts:118

Adds a new value to the property of the given thing

Parameters

thing

Thing

property

string

value

string

Returns

Promise\<void>

any()

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

Defined in: Store.ts:302

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:338

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:269

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:163

Parameters

operation

UpdateOperation

Returns

Promise\<void>

fetch()

fetch(uri): Promise\<Response>

Defined in: Store.ts:81

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:98

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:184

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:214

Finds types of the given resource

Parameters

uri

String or RDF/JS object

string | NamedNode | BlankNode

Returns

string[]

An array of URIs of types

flagAuthorizationMetadata()

flagAuthorizationMetadata(): void

Defined in: Store.ts:167

Returns

void

get()

get(uri): Thing

Defined in: Store.ts:107

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:228

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:171

Type Parameters

T

T

Parameters

module

PodOsModule\<T>

Returns

T

observeFindMembers()

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

Defined in: Store.ts:193

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:355

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:372

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:246

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