Class UpdateStageBuilder

An UpdateStageBuilder evaluates SPARQL UPDATE queries.

see: https://www.w3.org/TR/2013/REC-sparql11-update-20130321
author: Thomas Minier

Hierarchy

StageBuilder
- UpdateStageBuilder

Index

Constructors

constructor

Properties

Accessors

Methods

Constructors

constructor

new UpdateStageBuilder(_dataset: Dataset): UpdateStageBuilder

Inherited from StageBuilder.constructor
- Defined in src/engine/stages/stage-builder.ts:39
Parameters
- _dataset: Dataset
Returns UpdateStageBuilder

Properties

Protected _builder

_builder: PlanBuilder | null = null

Protected _dataset

_dataset: Dataset

Accessors

builder

get builder(): PlanBuilder | null
set builder(builder: PlanBuilder | null): void

Inherited from StageBuilder.builder
- Defined in src/engine/stages/stage-builder.ts:43
Returns PlanBuilder | null
Inherited from StageBuilder.builder
- Defined in src/engine/stages/stage-builder.ts:47
Parameters
- builder: PlanBuilder | null
Returns void

dataset

get dataset(): Dataset
set dataset(dataset: Dataset): void

Inherited from StageBuilder.dataset
- Defined in src/engine/stages/stage-builder.ts:51
Returns Dataset
Inherited from StageBuilder.dataset
- Defined in src/engine/stages/stage-builder.ts:55
Parameters
- dataset: Dataset
Returns void

Methods

Private _buildDeleteConsumer

_buildDeleteConsumer(source: PipelineStage<Bindings>, group: BGPNode | UpdateGraphNode, graph: Graph | null, context: ExecutionContext): DeleteConsumer

- Defined in src/engine/stages/update-stage-builder.ts:213
Build a consumer to evaluate a SPARQL DELETE clause

Parameters
- source: PipelineStage<Bindings>
  
  Input PipelineStage
- group: BGPNode | UpdateGraphNode
  
  parsed SPARQL DELETE clause
- graph: Graph | null
  
  RDF Graph used to delete data
- context: ExecutionContext
Returns DeleteConsumer

A consumer used to evaluate a SPARQL DELETE clause

Private _buildInsertConsumer

_buildInsertConsumer(source: PipelineStage<Bindings>, group: BGPNode | UpdateGraphNode, graph: Graph | null, context: ExecutionContext): InsertConsumer

- Defined in src/engine/stages/update-stage-builder.ts:197
Build a consumer to evaluate a SPARQL INSERT clause

Parameters
- source: PipelineStage<Bindings>
  
  Input PipelineStage
- group: BGPNode | UpdateGraphNode
  
  parsed SPARQL INSERT clause
- graph: Graph | null
  
  RDF Graph used to insert data
- context: ExecutionContext
Returns InsertConsumer

A consumer used to evaluate a SPARQL INSERT clause

Private _handleClearQuery

_handleClearQuery(query: UpdateClearNode): ClearConsumer

- Defined in src/engine/stages/update-stage-builder.ts:227
Build a Consumer to evaluate CLEAR queries

Parameters
- query: UpdateClearNode
  
  Parsed query
Returns ClearConsumer

A Consumer used to evaluate CLEAR queries

Private _handleInsertDelete

_handleInsertDelete(update: UpdateQueryNode, context: ExecutionContext): Consumable

- Defined in src/engine/stages/update-stage-builder.ts:149
Build a Consumer to evaluate SPARQL UPDATE queries

Parameters
- update: UpdateQueryNode
  
  Parsed query
- context: ExecutionContext
Returns Consumable

A Consumer used to evaluate SPARQL UPDATE queries

execute

execute(updates: Array<UpdateQueryNode | UpdateClearNode | UpdateCopyMoveNode>, context: ExecutionContext): Consumable

Overrides StageBuilder.execute
- Defined in src/engine/stages/update-stage-builder.ts:57
Create a Consumable used to evaluate a SPARQL 1.1 Update query

Parameters
- updates: Array<UpdateQueryNode | UpdateClearNode | UpdateCopyMoveNode>
  
  Set of Update queries to execute
- context: ExecutionContext
Returns Consumable

A Consumable used to evaluatethe set of update queries

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