Package dev.langchain4j.model.vertexai

Class VertexAiLanguageModel

java.lang.Object

dev.langchain4j.model.vertexai.VertexAiLanguageModel

All Implemented Interfaces:

LanguageModel

@Deprecated(since="1.0.0-beta4",
            forRemoval=true)
public class VertexAiLanguageModel
extends Object
implements LanguageModel

Deprecated, for removal: This API element is subject to removal in a future version.

The "Bison" models have been discontinued by Google. Please use one of the "Gemini" models with VertexAiGeminiChatModel from the langchain4j-vertex-ai-gemini module instead.

Represents a Google Vertex AI language model with a text interface, such as text-bison. See details here.
Please follow these steps before using this model:
1. Authentication
When developing locally, you can use one of:
a) Google Cloud SDK
b) Service account When using service account, ensure that GOOGLE_APPLICATION_CREDENTIALS environment variable points to your JSON service account key.
2. Authorization
3. Prerequisites

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	VertexAiLanguageModel.Builder	Deprecated, for removal: This API element is subject to removal in a future version.

Constructor Summary

Constructors

Constructor	Description
VertexAiLanguageModel(String endpoint, String project, String location, String publisher, String modelName, Double temperature, Integer maxOutputTokens, Integer topK, Double topP, Integer maxRetries)	Deprecated, for removal: This API element is subject to removal in a future version.

Method Summary

Modifier and Type	Method	Description
static VertexAiLanguageModel.Builder	builder()	Deprecated, for removal: This API element is subject to removal in a future version.
Response<String>	generate(String prompt)	Deprecated, for removal: This API element is subject to removal in a future version. Generate a response to the given prompt.

Methods inherited from class java.lang.Object

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

Methods inherited from interface dev.langchain4j.model.language.LanguageModel

generate

Constructor Details

VertexAiLanguageModel

public VertexAiLanguageModel(String endpoint,
 String project,
 String location,
 String publisher,
 String modelName,
 Double temperature,
 Integer maxOutputTokens,
 Integer topK,
 Double topP,
 Integer maxRetries)

Deprecated, for removal: This API element is subject to removal in a future version.

Method Details

generate

public Response<String> generate(String prompt)

Deprecated, for removal: This API element is subject to removal in a future version.

Description copied from interface: LanguageModel

Generate a response to the given prompt.

Specified by:

generate in interface LanguageModel

Parameters:

prompt - the prompt.

Returns:

the response.

builder

public static VertexAiLanguageModel.Builder builder()

Deprecated, for removal: This API element is subject to removal in a future version.