Class VertexAiAnthropicClient

java.lang.Object

dev.langchain4j.model.vertexai.anthropic.internal.client.VertexAiAnthropicClient

public class VertexAiAnthropicClient
extends Object

Constructor Summary

Constructors

Constructor	Description
VertexAiAnthropicClient(String project, String location, String model)
VertexAiAnthropicClient(String project, String location, String model, com.google.auth.oauth2.GoogleCredentials credentials)

Method Summary

Modifier and Type	Method	Description
void	close()
AnthropicResponse	generateContent(AnthropicRequest request, String modelName)
void	generateContentStreaming(AnthropicRequest request, String modelName, StreamingResponseHandler handler)	Streaming version of generateContent - simulates streaming by chunking the response
static String	resolveEndpoint(String location)	Maps a Vertex AI location to the API endpoint host serving it.

Methods inherited from class Object

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

Constructor Details

VertexAiAnthropicClient

public VertexAiAnthropicClient(String project,
 String location,
 String model)

VertexAiAnthropicClient

public VertexAiAnthropicClient(String project,
 String location,
 String model,
 com.google.auth.oauth2.GoogleCredentials credentials)

Method Details

resolveEndpoint

public static String resolveEndpoint(String location)

Maps a Vertex AI location to the API endpoint host serving it. Vertex AI uses a different host format for each of its three location types:

• global → aiplatform.googleapis.com
• multi-region (us, eu) → aiplatform.<location>.rep.googleapis.com
• region (e.g. us-east5) → <location>-aiplatform.googleapis.com

See Claude on Vertex AI.

Parameters:

location - the Vertex AI location, case-insensitive

Returns:

the host:port endpoint to use for PredictionServiceSettings

generateContent

public AnthropicResponse generateContent(AnthropicRequest request,
 String modelName)
                                  throws IOException

Throws:

IOException

generateContentStreaming

public void generateContentStreaming(AnthropicRequest request,
 String modelName,
 StreamingResponseHandler handler)
                              throws IOException

Streaming version of generateContent - simulates streaming by chunking the response

Throws:

IOException

close

public void close()