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 full)

Visitor
- BaseTranslator

Index

Constructors

Properties

VisitComparisonOutput VisitOperationOutput VisitStructuredQueryOutput allowedComparators allowedOperators

Methods

visitComparison visitOperation visitStructuredQuery

Constructors

constructor

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

Properties

VisitComparisonOutput

VisitComparisonOutput: object

VisitOperationOutput

VisitOperationOutput: object

VisitStructuredQueryOutput

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

Type declaration

Optional filter?: T["FilterType"]

`Abstract` allowedComparators

allowedComparators: Comparator[]

`Abstract` allowedOperators

allowedOperators: Operator[]

Methods

`Abstract` visitComparison

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

`Abstract` visitOperation

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

`Abstract` visitStructuredQuery

visitStructuredQuery(structuredQuery): {
filter?: T["FilterType"];
}
Parameters
- structuredQuery: StructuredQuery
Returns {
filter?: T["FilterType"];
}
- Optional filter?: T["FilterType"]
- Defined in langchain-core/src/structured_query/ir.ts:117

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