Graphorin API reference v0.12.1

---

Graphorin API reference / @graphorin/reranker-llm / / LlmReRanker

Class: LlmReRanker<TRecord>

Defined in: packages/reranker-llm/src/reranker.ts:97

ReRanker implementation. Matches the contract from @graphorin/memory/search.

Stable

Type Parameters

Type Parameter	Default type
TRecord extends MemoryRecord	MemoryRecord

Implements

• ReRanker

Constructors

Constructor

new LlmReRanker<TRecord>(options): LlmReRanker<TRecord>;

Defined in: packages/reranker-llm/src/reranker.ts:113

Parameters

Parameter	Type
options	LlmRerankerOptions<TRecord>

Returns

LlmReRanker<TRecord>

Properties

Property	Modifier	Type	Default value	Description	Defined in
batchSize	readonly	number	undefined	-	packages/reranker-llm/src/reranker.ts:101
fallbackScore	readonly	number	undefined	-	packages/reranker-llm/src/reranker.ts:104
id	readonly	"llm-judge"	RERANKER_ID	Stable lowercase identifier surfaced on every span.	packages/reranker-llm/src/reranker.ts:98
maxOutputTokens	readonly	number	undefined	-	packages/reranker-llm/src/reranker.ts:103
maxScore	readonly	number	undefined	-	packages/reranker-llm/src/reranker.ts:100
provider	readonly	Provider	undefined	-	packages/reranker-llm/src/reranker.ts:99
temperature	readonly	number	undefined	-	packages/reranker-llm/src/reranker.ts:102

Accessors

invocationCount

Get Signature

get invocationCount(): number;

Defined in: packages/reranker-llm/src/reranker.ts:142

Number of rerank(...) invocations since construction. Surfaced for observability + the test suite.

Stable

Returns

number

---

lastErrorCount

Get Signature

get lastErrorCount(): number;

Defined in: packages/reranker-llm/src/reranker.ts:162

Number of per-passage provider failures swallowed (→ fallbackScore) on the most recent rerank(...) (PS-15). A non-zero value means the ranking is partially degraded - surface it for observability.

Returns

number

---

lastPromptTokens

Get Signature

get lastPromptTokens(): number;

Defined in: packages/reranker-llm/src/reranker.ts:153

Rough total prompt-tokens spent on the most-recent rerank call. Returned by the provider on each generate(...); we expose the sum so tests can assert the batching shape.

Stable

Returns

number

Methods

rerank()

rerank<TInputRecord>(
   query, 
   lists, 
options?): Promise<readonly MemoryHit<TInputRecord>[]>;

Defined in: packages/reranker-llm/src/reranker.ts:166

Rerank one or more parallel ranked lists and return the fused top-K (default topK = 10). Each input list must already be sorted by score descending.

Type Parameters

Type Parameter
TInputRecord extends MemoryRecord

Parameters

Parameter	Type
query	string
lists	readonly readonly MemoryHit<TInputRecord>[][]
options	ReRankOptions

Returns

Promise<readonly MemoryHit&lt;TInputRecord&gt;[]>

Implementation of

ReRanker.rerank