DynamoDB Pojo属性值

Question

我为这样的dynamodb表定义了POJO：

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public class DynamoDBTablePojo {

    @NonNull
    private String requestId;

    @NonNull
    private String responseId;

    private String responseBlob;

    @DynamoDBHashKey(attributeName = "RequestId")
    public String getRequestId(){return this.requestId;};

    @DynamoDBAttribute(attributeName = "ResponseId")
    public String getResponseId(){return this.responseId;};

    @DynamoDBAttribute(attributeName = "ResponseBlob")
    public String getResponseBlob() {return responseBlob;}
}

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我想在java中编写一个函数，它将获取属性名称和DynamoDBTablePojo对象并返回该属性的值。如，

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String func(String attributeName, DynamoDBTablePojo dynamoDBTablePojoObj){
 // returns value associated with this attribute.
}

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