Ollama チャット

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

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

ChatResponse response = chatModel.call(
    new Prompt(
        "Generate the names of 5 famous pirates.",
        OllamaOptions.builder()
            .withModel(OllamaModel.LLAMA3_1)
            .withTemperature(0.4)
            .build();
    ));

byte[] imageData = new ClassPathResource("/multimodal.test.png").getContentAsByteArray();

var userMessage = new UserMessage("Explain what do you see on this picture?",
        List.of(new Media(MimeTypeUtils.IMAGE_PNG, imageData)));

ChatResponse response = chatModel.call(
    new Prompt(List.of(userMessage), OllamaOptions.create().withModel("llava")));

logger.info(response.getResult().getOutput().getContent());

The image shows a small metal basket filled with ripe bananas and red apples. The basket is placed on a surface,
which appears to be a table or countertop, as there's a hint of what seems like a kitchen cabinet or drawer in
the background. There's also a gold-colored ring visible behind the basket, which could indicate that this
photo was taken in an area with metallic decorations or fixtures. The overall setting suggests a home environment
where fruits are being displayed, possibly for convenience or aesthetic purposes.

spring.ai.ollama.base-url=http://localhost:11434
spring.ai.ollama.chat.options.model=mistral
spring.ai.ollama.chat.options.temperature=0.7

@RestController
public class ChatController {

    private final OllamaChatModel chatModel;

    @Autowired
    public ChatController(OllamaChatModel chatModel) {
        this.chatModel = chatModel;
    }

    @GetMapping("/ai/generate")
    public Map generate(@RequestParam(value = "message", defaultValue = "Tell me a joke") String message) {
        return Map.of("generation", chatModel.call(message));
    }

    @GetMapping("/ai/generateStream")
	public Flux<ChatResponse> generateStream(@RequestParam(value = "message", defaultValue = "Tell me a joke") String message) {
        Prompt prompt = new Prompt(new UserMessage(message));
        return chatModel.stream(prompt);
    }

}

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

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

var ollamaApi = new OllamaApi();

var chatModel = new OllamaChatModel(ollamaApi,
            OllamaOptions.create()
                .withModel(OllamaOptions.DEFAULT_MODEL)
                .withTemperature(0.9f));

ChatResponse response = chatModel.call(
    new Prompt("Generate the names of 5 famous pirates."));

// Or with streaming responses
Flux<ChatResponse> response = chatModel.stream(
    new Prompt("Generate the names of 5 famous pirates."));

OllamaApi ollamaApi =
    new OllamaApi("YOUR_HOST:YOUR_PORT");

// Sync request
var request = ChatRequest.builder("orca-mini")
    .withStream(false) // not streaming
    .withMessages(List.of(
            Message.builder(Role.SYSTEM)
                .withContent("You are a geography teacher. You are talking to a student.")
                .build(),
            Message.builder(Role.USER)
                .withContent("What is the capital of Bulgaria and what is the size? "
                        + "What is the national anthem?")
                .build()))
    .withOptions(OllamaOptions.create().withTemperature(0.9f))
    .build();

ChatResponse response = ollamaApi.chat(request);

// Streaming request
var request2 = ChatRequest.builder("orca-mini")
    .withStream(true) // streaming
    .withMessages(List.of(Message.builder(Role.USER)
        .withContent("What is the capital of Bulgaria and what is the size? " + "What is the national anthem?")
        .build()))
    .withOptions(OllamaOptions.create().withTemperature(0.9f).toMap())
    .build();

Flux<ChatResponse> streamingResponse = ollamaApi.streamingChat(request2);