获取 DynamoDBMappingException：不支持；需要 @DynamoDBTyped 或 @DynamoDBTypeConverted 用于多级/复杂对象

Question

我在实体类Item中有一个复杂对象Test。

@AllArgsConstructor
@Getter
public enum TestStatus {
    TO_RUN("To Run"),
    RUNNING("Running"),
    PASSED("Passed"),
    FAILED("Failed");

    public static TestStatus fromValue(String value) {
        //...implementation
    }

    private final String value;
}

@Data
@ToString
@Accessors(chain = true)
@DynamoDBFlattened(attributes = {
        @DynamoDBAttribute(attributeName = "test.task.id", mappedBy = "id"),
        @DynamoDBAttribute(attributeName = "test.task.status", mappedBy = "status")
})
public class TestTask {
    private String id;
    @DynamoDBTypeConvertedEnum
    private TestStatus status;
}

@Data
@ToString
@Accessors(chain = true)
@DynamoDBFlattened(attributes = {
        @DynamoDBAttribute(attributeName = "test.suite.name", mappedBy = "name"),
        @DynamoDBAttribute(attributeName = "test.suite.version", mappedBy = "version")
})
public class TestSuite {
    private String name;
    private String version;
}

@Data
@ToString
@Accessors(chain = true)
public class Test {
    private TestSuite suite;
    private TestTask task;
}

@Data
@ToString
@Accessors(chain = true)
@DynamoDBTable(tableName = "com.example.item")
public class Item {
    private String name;
    private Test test; // This is a complex object as structure given above.
}

On the call of dynamoDBMapper.save(item); getting exception.

@Repository
@RequiredArgsConstructor
public class DynamoDBItemRepository implements ItemRepository {
    //...
    @Override
    public Item save(Item item) {
        dynamoDBMapper.save(item); // Getting DynamoDBMappingException: not supported; requires @DynamoDBTyped or @DynamoDBTypeConverted
        return item;
    }
    //...
}

我遇到了异常

com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMappingException: not supported; requires @DynamoDBTyped or @DynamoDBTypeConverted
    at com.amazonaws.services.dynamodbv2.datamodeling.StandardModelFactories$Rules$NotSupported.set(StandardModelFactories.java:664) ~[aws-java-sdk-dynamodb-1.11.578.jar:?]

我错过了什么？请帮忙！

Answer 1

我建议迁移到可以使用复杂对象的AWS SDK for Java 2.0：doc