上傳Vectors（Java SDK V2）

許可權說明

阿里雲帳號預設擁有全部許可權。阿里雲帳號下的 RAM 使用者或 RAM 角色預設沒有任何許可權，需要阿里雲帳號或帳號管理員通過 RAM Policy 或 Bucket Policy 授予操作許可權。

範例程式碼

import com.aliyun.sdk.service.oss2.credentials.CredentialsProvider;
import com.aliyun.sdk.service.oss2.credentials.EnvironmentVariableCredentialsProvider;
import com.aliyun.sdk.service.oss2.vectors.OSSVectorsClient;
import com.aliyun.sdk.service.oss2.vectors.models.PutVectorsRequest;
import com.aliyun.sdk.service.oss2.vectors.models.PutVectorsResult;
import java.util.*;

public class PutVectorsSample {
    public static void main(String[] args) throws Exception {
        CredentialsProvider provider = new EnvironmentVariableCredentialsProvider();
        try (OSSVectorsClient client = OSSVectorsClient.newBuilder()
                .region("cn-hangzhou")
                .accountId("1234567890")
                .credentialsProvider(provider)
                .build()) {
            List<Map<String, Object>> vectors = Arrays.asList(
                    createVector("key1", new Float[]{1.0f, 2.0f, 3.0f}, "description1"),
                    createVector("key2", new Float[]{4.0f, 5.0f, 6.0f}, "description2"));
            PutVectorsRequest request = PutVectorsRequest.newBuilder()
                    .bucket("examplebucket")
                    .indexName("exampleindex")
                    .vectors(vectors)
                    .build();
            PutVectorsResult result = client.putVectors(request);
            System.out.printf("status code: %d, request id: %s%n", result.statusCode(), result.requestId());
        }
    }

    private static Map<String, Object> createVector(String key, Float[] data, String description) {
        Map<String, Object> vector = new HashMap<>();
        vector.put("key", key);
        Map<String, Object> vectorData = new HashMap<>();
        vectorData.put("float32", Arrays.asList(data));
        vector.put("data", vectorData);
        Map<String, String> meta = new HashMap<>();
        meta.put("description", description);
        vector.put("metadata", meta);
        return vector;
    }
}

相關文檔

• 同步範例程式碼，請參見 PutVectors.java。

• 非同步範例程式碼，請參見 PutVectorsAsync.java。