Class: SummaryExtractor()
Extract summary from a list of nodes.
Extends
SummaryExtractor<
Options>(nodes,options?):Promise<BaseNode<Metadata>[]>
Extract summary from a list of nodes.
Type Parameters
• Options extends Record<string, unknown>
Parameters
• options?: Options
Returns
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:371
Constructors
new SummaryExtractor()
new SummaryExtractor(
options?):SummaryExtractor
Parameters
• options?: SummaryExtractArgs
Returns
Overrides
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:394
Properties
disableTemplateRewrite
disableTemplateRewrite:
boolean=false
Inherited from
BaseExtractor.disableTemplateRewrite
Defined in
packages/llamaindex/src/extractors/types.ts:16
id
id:
string
Inherited from
Defined in
packages/core/dist/schema/index.d.ts:171
inPlace
inPlace:
boolean=true
Inherited from
Defined in
packages/llamaindex/src/extractors/types.ts:17
isTextNodeOnly
isTextNodeOnly:
boolean=true
Inherited from
Defined in
packages/llamaindex/src/extractors/types.ts:13
llm
llm:
LLM<object,object>
LLM instance.
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:376
metadataMode
metadataMode:
MetadataMode=MetadataMode.ALL
Inherited from
Defined in
packages/llamaindex/src/extractors/types.ts:15
numWorkers
numWorkers:
number=4
Inherited from
Defined in
packages/llamaindex/src/extractors/types.ts:18
promptTemplate
promptTemplate:
string
The prompt template to use for the summary extractor.
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:388
showProgress
showProgress:
boolean=true
Inherited from
Defined in
packages/llamaindex/src/extractors/types.ts:14
summaries
summaries:
string[]
List of summaries to extract: 'self', 'prev', 'next'
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:382
Methods
extract()
extract(
nodes):Promise<object[] |ExtractSummary[]>
Extract summaries from a list of nodes.
Parameters
Nodes to extract summaries from.
Returns
Promise<object[] | ExtractSummary[]>
Summaries extracted from the nodes.
Overrides
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:443
generateNodeSummary()
generateNodeSummary(
node):Promise<string>
Extract summary from a node.
Parameters
Node to extract summary from.
Returns
Promise<string>
Summary extracted from the node.
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:420
processNodes()
processNodes(
nodes,excludedEmbedMetadataKeys,excludedLlmMetadataKeys):Promise<BaseNode<Metadata>[]>
Parameters
Nodes to extract metadata from.
• excludedEmbedMetadataKeys: undefined | string[] = undefined
Metadata keys to exclude from the embedding.
• excludedLlmMetadataKeys: undefined | string[] = undefined
Metadata keys to exclude from the LLM.
Returns
Metadata extracted from the nodes.