Class AlgebraFactory

Factory for creating SPARQL Algebra operation objects. Provides methods for every algebra operation type defined in SPARQL 1.1 Algebra.

Constructors

constructor

new AlgebraFactory(
dataFactory?: DataFactory<BaseQuad, BaseQuad>,
): AlgebraFactory
Parameters
- OptionaldataFactory: DataFactory<BaseQuad, BaseQuad>
Returns AlgebraFactory
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:24

Properties

dataFactory

dataFactory: DataFactory<BaseQuad, BaseQuad>

stringType

stringType: NamedNode

Methods

createAdd

createAdd(
    source: NamedNode<string> | "DEFAULT",
    destination: NamedNode<string> | "DEFAULT",
    silent?: boolean,
): Algebra.Add
Parameters
- source: NamedNode<string> | "DEFAULT"
- destination: NamedNode<string> | "DEFAULT"
- Optionalsilent: boolean
Returns Algebra.Add
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:319

createAggregateExpression

createAggregateExpression(
    aggregator: string,
    expression: Algebra.BaseExpression,
    distinct: boolean,
    separator?: string,
): Algebra.AggregateExpression
Parameters
- aggregator: string
- expression: Algebra.BaseExpression
- distinct: boolean
- Optionalseparator: string
Returns Algebra.AggregateExpression
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:224

createAlt

createAlt(input: Algebra.BaseOperation[], flatten?: boolean): Algebra.Alt
Parameters
- input: Algebra.BaseOperation[]
- flatten: boolean = true
Returns Algebra.Alt
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:29

createAsk

createAsk(input: Algebra.BaseOperation): Algebra.Ask
Parameters
- input: Algebra.BaseOperation
Returns Algebra.Ask
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:36

createBgp

createBgp(patterns: Algebra.Pattern[]): Algebra.Bgp
Parameters
- patterns: Algebra.Pattern[]
Returns Algebra.Bgp
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:57

createBoundAggregate

createBoundAggregate(
    variable: Variable,
    aggregate: string,
    expression: Algebra.BaseExpression,
    distinct: boolean,
    separator?: string,
): Algebra.BoundAggregate
Parameters
- variable: Variable
- aggregate: string
- expression: Algebra.BaseExpression
- distinct: boolean
- Optionalseparator: string
Returns Algebra.BoundAggregate
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:40

createClear

createClear(
source: NamedNode<string> | "DEFAULT" | "NAMED" | "ALL",
silent?: boolean,
): Algebra.Clear
Parameters
- source: NamedNode<string> | "DEFAULT" | "NAMED" | "ALL"
- Optionalsilent: boolean
Returns Algebra.Clear
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:307

createCompositeUpdate

createCompositeUpdate(updates: Algebra.BaseOperation[]): Algebra.CompositeUpdate
Parameters
- updates: Algebra.BaseOperation[]
Returns Algebra.CompositeUpdate
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:277

createConstruct

createConstruct(
input: Algebra.BaseOperation,
template: Algebra.Pattern[],
): Algebra.Construct
Parameters
- input: Algebra.BaseOperation
- template: Algebra.Pattern[]
Returns Algebra.Construct
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:61

createCopy

createCopy(
    source: NamedNode<string> | "DEFAULT",
    destination: NamedNode<string> | "DEFAULT",
    silent?: boolean,
): Algebra.Copy
Parameters
- source: NamedNode<string> | "DEFAULT"
- destination: NamedNode<string> | "DEFAULT"
- Optionalsilent: boolean
Returns Algebra.Copy
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:339

createCreate

createCreate(source: NamedNode, silent?: boolean): Algebra.Create
Parameters
- source: NamedNode
- Optionalsilent: boolean
Returns Algebra.Create
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:311

createDeleteInsert

createDeleteInsert(
    deleteQuads?: Algebra.Pattern[],
    insertQuads?: Algebra.Pattern[],
    where?: Algebra.BaseOperation,
): Algebra.DeleteInsert
Parameters
- OptionaldeleteQuads: Algebra.Pattern[]
- OptionalinsertQuads: Algebra.Pattern[]
- Optionalwhere: Algebra.BaseOperation
Returns Algebra.DeleteInsert
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:281

createDescribe

createDescribe(
input: Algebra.BaseOperation,
terms: (Variable | NamedNode<string>)[],
): Algebra.Describe
Parameters
- input: Algebra.BaseOperation
- terms: (Variable | NamedNode<string>)[]
Returns Algebra.Describe
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:65

createDistinct

createDistinct(input: Algebra.BaseOperation): Algebra.Distinct
Parameters
- input: Algebra.BaseOperation
Returns Algebra.Distinct
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:69

createDrop

createDrop(
source: NamedNode<string> | "DEFAULT" | "NAMED" | "ALL",
silent?: boolean,
): Algebra.Drop
Parameters
- source: NamedNode<string> | "DEFAULT" | "NAMED" | "ALL"
- Optionalsilent: boolean
Returns Algebra.Drop
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:315

createExistenceExpression

createExistenceExpression(
not: boolean,
input: Algebra.BaseOperation,
): Algebra.ExistenceExpression
Parameters
- not: boolean
- input: Algebra.BaseOperation
Returns Algebra.ExistenceExpression
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:249

createExtend

createExtend(
    input: Algebra.BaseOperation,
    variable: Variable,
    expression: Algebra.BaseExpression,
): Algebra.Extend
Parameters
- input: Algebra.BaseOperation
- variable: Variable
- expression: Algebra.BaseExpression
Returns Algebra.Extend
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:73

createFilter

createFilter(
input: Algebra.BaseOperation,
expression: Algebra.BaseExpression,
): Algebra.Filter
Parameters
- input: Algebra.BaseOperation
- expression: Algebra.BaseExpression
Returns Algebra.Filter
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:85

createFrom

createFrom(
    input: Algebra.BaseOperation,
    def: NamedNode<string>[],
    named: NamedNode<string>[],
): Algebra.From
Parameters
- input: Algebra.BaseOperation
- def: NamedNode<string>[]
- named: NamedNode<string>[]
Returns Algebra.From
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:81

createGraph

createGraph(
input: Algebra.BaseOperation,
name: Variable | NamedNode<string>,
): Algebra.Graph
Parameters
- input: Algebra.BaseOperation
- name: Variable | NamedNode<string>
Returns Algebra.Graph
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:89

createGroup

createGroup(
    input: Algebra.BaseOperation,
    variables: Variable[],
    aggregates: Algebra.BaseOperation[],
): Algebra.Group
Parameters
- input: Algebra.BaseOperation
- variables: Variable[]
- aggregates: Algebra.BaseOperation[]
Returns Algebra.Group
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:93

createInv

createInv(path: Algebra.BaseOperation): Algebra.Inv
Parameters
- path: Algebra.BaseOperation
Returns Algebra.Inv
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:101

createJoin

createJoin(input: Algebra.BaseOperation[], flatten?: boolean): Algebra.Join
Parameters
- input: Algebra.BaseOperation[]
- flatten: boolean = true
Returns Algebra.Join
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:105

createLeftJoin

createLeftJoin(
    left: Algebra.BaseOperation,
    right: Algebra.BaseOperation,
    expression?: Algebra.BaseExpression,
): Algebra.LeftJoin
Parameters
- left: Algebra.BaseOperation
- right: Algebra.BaseOperation
- Optionalexpression: Algebra.BaseExpression
Returns Algebra.LeftJoin
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:109

createLink

createLink(iri: NamedNode): Algebra.Link
Parameters
- iri: NamedNode
Returns Algebra.Link
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:124

createLoad

createLoad(
    source: NamedNode,
    destination?: NamedNode<string>,
    silent?: boolean,
): Algebra.Load
Parameters
- source: NamedNode
- Optionaldestination: NamedNode<string>
- Optionalsilent: boolean
Returns Algebra.Load
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:299

createMinus

createMinus(
left: Algebra.BaseOperation,
right: Algebra.BaseOperation,
): Algebra.Minus
Parameters
- left: Algebra.BaseOperation
- right: Algebra.BaseOperation
Returns Algebra.Minus
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:128

createMove

createMove(
    source: NamedNode<string> | "DEFAULT",
    destination: NamedNode<string> | "DEFAULT",
    silent?: boolean,
): Algebra.Move
Parameters
- source: NamedNode<string> | "DEFAULT"
- destination: NamedNode<string> | "DEFAULT"
- Optionalsilent: boolean
Returns Algebra.Move
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:327

createNamedExpression

createNamedExpression(
name: NamedNode,
args: Algebra.BaseExpression[],
): Algebra.NamedExpression
Parameters
- name: NamedNode
- args: Algebra.BaseExpression[]
Returns Algebra.NamedExpression
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:253

createNop

createNop(): Algebra.Nop
Returns Algebra.Nop
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:132

createNps

createNps(iris: NamedNode<string>[]): Algebra.Nps
Parameters
- iris: NamedNode<string>[]
Returns Algebra.Nps
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:136

createOneOrMorePath

createOneOrMorePath(path: Algebra.BaseOperation): Algebra.OneOrMorePath
Parameters
- path: Algebra.BaseOperation
Returns Algebra.OneOrMorePath
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:140

createOperatorExpression

createOperatorExpression(
operator: string,
args: Algebra.BaseExpression[],
): Algebra.OperatorExpression
Parameters
- operator: string
- args: Algebra.BaseExpression[]
Returns Algebra.OperatorExpression
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:257

createOrderBy

createOrderBy(
input: Algebra.BaseOperation,
expressions: Algebra.BaseExpression[],
): Algebra.OrderBy
Parameters
- input: Algebra.BaseOperation
- expressions: Algebra.BaseExpression[]
Returns Algebra.OrderBy
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:144

createPath

createPath(
    subject: Term,
    predicate: Algebra.BaseOperation,
    object: Term,
    graph?: Term,
): Algebra.Path
Parameters
- subject: Term
- predicate: Algebra.BaseOperation
- object: Term
- Optionalgraph: Term
Returns Algebra.Path
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:148

createPattern

createPattern(
    subject: Term,
    predicate: Term,
    object: Term,
    graph?: Term,
): Algebra.Pattern
Parameters
- subject: Term
- predicate: Term
- object: Term
- Optionalgraph: Term
Returns Algebra.Pattern
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:166

createProject

createProject(
input: Algebra.BaseOperation,
variables: Variable[],
): Algebra.Project
Providing no variables is interpreted as a SELECT *.
Parameters
- input: Algebra.BaseOperation
- variables: Variable[]
Returns Algebra.Project
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:175

createReduced

createReduced(input: Algebra.BaseOperation): Algebra.Reduced
Parameters
- input: Algebra.BaseOperation
Returns Algebra.Reduced
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:179

createSeq

createSeq(input: Algebra.BaseOperation[], flatten?: boolean): Algebra.Seq
Parameters
- input: Algebra.BaseOperation[]
- flatten: boolean = true
Returns Algebra.Seq
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:183

createService

createService(
    input: Algebra.BaseOperation,
    name: Variable | NamedNode<string>,
    silent?: boolean,
): Algebra.Service
Parameters
- input: Algebra.BaseOperation
- name: Variable | NamedNode<string>
- Optionalsilent: boolean
Returns Algebra.Service
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:190

createSlice

createSlice(
    input: Algebra.BaseOperation,
    start: number,
    length?: number,
): Algebra.Slice
Parameters
- input: Algebra.BaseOperation
- start: number
- Optionallength: number
Returns Algebra.Slice
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:194

createTerm

createTerm(str: string): Term
Parameters
- str: string
Returns Term
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:269

createTermExpression

createTermExpression(term: Term): Algebra.TermExpression
Parameters
- term: Term
Returns Algebra.TermExpression
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:261

createUnion

createUnion(input: Algebra.BaseOperation[], flatten?: boolean): Algebra.Union
Parameters
- input: Algebra.BaseOperation[]
- flatten: boolean = true
Returns Algebra.Union
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:202

createValues

createValues(
variables: Variable[],
bindings: Record<string, Literal | NamedNode<string>>[],
): Algebra.Values
Parameters
- variables: Variable[]
- bindings: Record<string, Literal | NamedNode<string>>[]
Returns Algebra.Values
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:206

createWildcardExpression

createWildcardExpression(): Algebra.WildcardExpression
Returns Algebra.WildcardExpression
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:265

createZeroOrMorePath

createZeroOrMorePath(path: Algebra.BaseOperation): Algebra.ZeroOrMorePath
Parameters
- path: Algebra.BaseOperation
Returns Algebra.ZeroOrMorePath
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:210

createZeroOrOnePath

createZeroOrOnePath(path: Algebra.BaseOperation): Algebra.ZeroOrOnePath
Parameters
- path: Algebra.BaseOperation
Returns Algebra.ZeroOrOnePath
- Defined in packages/algebra-transformations-1-1/lib/algebraFactory.ts:217