Class Visitor<T>`Abstract`

Abstract class for visiting expressions. Subclasses must implement visitOperation, visitComparison, and visitStructuredQuery methods.

Type Parameters

T extends VectorStore = VectorStore

Hierarchy (View Summary)

Visitor
- BaseTranslator

Index

Constructors

Properties

allowedComparators allowedOperators VisitComparisonOutput VisitOperationOutput VisitStructuredQueryOutput

Methods

visitComparison visitOperation visitStructuredQuery

Constructors

constructor

new Visitor<T extends VectorStore = VectorStore>(): Visitor<T>
Type Parameters
- T extends VectorStore = VectorStore
Returns Visitor<T>

Properties

`Abstract`allowedComparators

allowedComparators: Comparator[]

`Abstract`allowedOperators

allowedOperators: Operator[]

VisitComparisonOutput

VisitComparisonOutput: object

VisitOperationOutput

VisitOperationOutput: object

VisitStructuredQueryOutput

VisitStructuredQueryOutput: { filter?: T["FilterType"] }

Methods

`Abstract`visitComparison

visitComparison(comparison: Comparison): object
Parameters
- comparison: Comparison
Returns object
- Defined in remotes/langchain-ai/langchainjs/v1/libs/langchain-core/src/structured_query/ir.ts:113

`Abstract`visitOperation

visitOperation(operation: Operation): object
Parameters
- operation: Operation
Returns object
- Defined in remotes/langchain-ai/langchainjs/v1/libs/langchain-core/src/structured_query/ir.ts:111

`Abstract`visitStructuredQuery

visitStructuredQuery(
structuredQuery: StructuredQuery,
): { filter?: T["FilterType"] }
Parameters
- structuredQuery: StructuredQuery
Returns { filter?: T["FilterType"] }
- Defined in remotes/langchain-ai/langchainjs/v1/libs/langchain-core/src/structured_query/ir.ts:117