LangChain4j Oracle Provider

Overview

This module adds support for the Oracle embedding store.

Maven Coordinates

In addition to the Helidon integration with LangChain4j core dependencies, you must add the following:

<dependency>
    <groupId>io.helidon.integrations.langchain4j.providers</groupId>
    <artifactId>helidon-integrations-langchain4j-providers-oracle</artifactId>
</dependency>

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Components

OracleEmbeddingStore

To automatically create and add OracleEmbeddingStore to the service registry add the following lines to application.yaml:

langchain4j:
  oracle:
    embedding-store:
      enabled: true
      embedding-table:
        name: "embeddings"

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If enabled is set to false, the configuration is ignored, and the component is not created.

Full list of configuration properties:

Key	Type	Description
`data-source`	string	The name of Helidon service containing a data source for connecting to the Oracle embedding store. If not present the default unnamed service is used.
`embedding-table`	OracleEmbeddingTable	Root configuration key for `OracleEmbeddingTable` configuration. Contains properties of the embedding table associated with the Oracle embedding store.
`enabled`	boolean	If set to `true`, Oracle embedding store will be enabled.
`exact-search`	boolean	Specifies whether exact matching is used in searches.
`vector-index-create-option`	string	The vector index creation option, which defines behavior when creating the vector index. Options are `CREATE_NONE` (default), `CREATE_IF_NOT_EXISTS`, `CREATE_OR_REPLACE`.

OracleEmbeddingTable