Package dev.langchain4j.community.store.embedding.alloydb

Class AlloyDBEngine

java.lang.Object

dev.langchain4j.community.store.embedding.alloydb.AlloyDBEngine

public class AlloyDBEngine
extends Object

AlloyDBEngine

Instances of this store are created by configuring a builder:

AlloyDBEngine engine = new AlloyDBEngine.Builder(projectId, region, cluster, instance, database).build(); Uses HikariCP as a DataSource. A connection pool that will avoid the latency of repeatedly creating new database connections.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AlloyDBEngine.Builder	Builder which configures and creates instances of AlloyDBEngine.

Constructor Summary

Constructors

Constructor	Description
AlloyDBEngine(AlloyDBEngine.Builder builder)	Constructor for AlloyDBEngine

Method Summary

Modifier and Type	Method	Description
void	close()	Closes a Connection
Connection	getConnection()	Gets a Connection from the datasource
void	initVectorStoreTable(EmbeddingStoreConfig embeddingStoreConfig)	Create a table for the EmbeddingStore

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

AlloyDBEngine

public AlloyDBEngine(AlloyDBEngine.Builder builder)

Constructor for AlloyDBEngine

Parameters:

builder - builder.

Method Details

getConnection

public Connection getConnection()
                         throws SQLException

Gets a Connection from the datasource

Returns:

A connection with the database specified in AlloyDBEngine

Throws:

SQLException - if database error occurs

initVectorStoreTable

public void initVectorStoreTable(EmbeddingStoreConfig embeddingStoreConfig)

Create a table for the EmbeddingStore

Parameters:

embeddingStoreConfig - contains the parameters necessary to initialize the Vector table

close

public void close()

Closes a Connection