InMemoryVectorStore

public final class InMemoryVectorStore

In-memory VectorStore implementation backed by a SQLite :memory: database.

Public Constructors

InMemoryVectorStore(int embeddingDimension) Creates an in-memory vector store with the specified embedding dimension.

Public Methods

void	upsertRecords(List<RetrievalRecord> records) Inserts or updates a list of records in memory.
List<RetrievalRecord>	search(float[] queryEmbedding, int topK, Map<String, String> metadataFilter) Searches the top-K nearest records in memory.
void	delete(List<String> ids) Deletes records matching the specified IDs.
void	deleteByMetadata(Map<String, String> metadataFilter) Deletes records matching the specified metadata filter.
void	deleteAllRecords() Deletes all records from the in-memory store.
List<String>	getAllRecordIds() Returns all unique top-level record identifiers.
void	close() Closes the in-memory vector store.

Inherited Methods

From class java.lang.Object

boolean	equals(Object arg0)
final Class<?>	getClass()
int	hashCode()
final void	notify()
final void	notifyAll()
String	toString()
final void	wait(long arg0, int arg1)
final void	wait(long arg0)
final void	wait()

From interface java.lang.AutoCloseable

abstract void

close()

Public Constructors

public InMemoryVectorStore (int embeddingDimension)

Creates an in-memory vector store with the specified embedding dimension.

Public Methods

public void upsertRecords (List<RetrievalRecord> records)

Inserts or updates a list of records in memory.

public List<RetrievalRecord> search (float[] queryEmbedding, int topK, Map<String, String> metadataFilter)

Searches the top-K nearest records in memory.

public void delete (List<String> ids)

Deletes records matching the specified IDs.

public void deleteByMetadata (Map<String, String> metadataFilter)

Deletes records matching the specified metadata filter.

public void deleteAllRecords ()

Deletes all records from the in-memory store.

public List<String> getAllRecordIds ()

Returns all unique top-level record identifiers.

public void close ()

Closes the in-memory vector store.