Titan 埋め込み

<dependency>
  <groupId>org.springframework.ai</groupId>
  <artifactId>spring-ai-bedrock-ai-spring-boot-starter</artifactId>
</dependency>

dependencies {
    implementation 'org.springframework.ai:spring-ai-bedrock-ai-spring-boot-starter'
}

EmbeddingResponse embeddingResponse = embeddingModel.call(
    new EmbeddingRequest(List.of("Hello World", "World is big and salvation is near"),
        BedrockTitanEmbeddingOptions.builder()
        	.withInputType(InputType.TEXT)
        .build()));

spring.ai.bedrock.aws.region=eu-central-1
spring.ai.bedrock.aws.access-key=${AWS_ACCESS_KEY_ID}
spring.ai.bedrock.aws.secret-key=${AWS_SECRET_ACCESS_KEY}

spring.ai.bedrock.titan.embedding.enabled=true

@RestController
public class EmbeddingController {

    private final EmbeddingModel embeddingModel;

    @Autowired
    public EmbeddingController(EmbeddingModel embeddingModel) {
        this.embeddingModel = embeddingModel;
    }

    @GetMapping("/ai/embedding")
    public Map embed(@RequestParam(value = "message", defaultValue = "Tell me a joke") String message) {
        EmbeddingResponse embeddingResponse = this.embeddingModel.embedForResponse(List.of(message));
        return Map.of("embedding", embeddingResponse);
    }
}

<dependency>
    <groupId>org.springframework.ai</groupId>
    <artifactId>spring-ai-bedrock</artifactId>
</dependency>

dependencies {
    implementation 'org.springframework.ai:spring-ai-bedrock'
}

var titanEmbeddingApi = new TitanEmbeddingBedrockApi(
	TitanEmbeddingModel.TITAN_EMBED_IMAGE_V1.id(), Region.US_EAST_1.id());

var embeddingModel = new BedrockTitanEmbeddingModel(titanEmbeddingApi);

EmbeddingResponse embeddingResponse = embeddingModel
	.embedForResponse(List.of("Hello World")); // NOTE titan does not support batch embedding.

TitanEmbeddingBedrockApi titanEmbedApi = new TitanEmbeddingBedrockApi(
		TitanEmbeddingModel.TITAN_EMBED_TEXT_V1.id(), Region.US_EAST_1.id());

TitanEmbeddingRequest request = TitanEmbeddingRequest.builder()
	.withInputText("I like to eat apples.")
	.build();

TitanEmbeddingResponse response = titanEmbedApi.embedding(request);

TitanEmbeddingBedrockApi titanEmbedApi = new TitanEmbeddingBedrockApi(
		TitanEmbeddingModel.TITAN_EMBED_IMAGE_V1.id(), Region.US_EAST_1.id());

byte[] image = new DefaultResourceLoader()
	.getResource("classpath:/spring_framework.png")
	.getContentAsByteArray();


TitanEmbeddingRequest request = TitanEmbeddingRequest.builder()
	.withInputImage(Base64.getEncoder().encodeToString(image))
	.build();

TitanEmbeddingResponse response = titanEmbedApi.embedding(request);