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Methods and devices for serializing and deserializing structured data

A structured data and deserialization technology, applied in the computer field, can solve problems such as inability to achieve serialization

Active Publication Date: 2017-06-09
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem solved by this application is to provide a method and device for serialization and deserialization of structured data to solve the problem that serialization cannot be realized due to the size limitation of message objects

Method used

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  • Methods and devices for serializing and deserializing structured data
  • Methods and devices for serializing and deserializing structured data
  • Methods and devices for serializing and deserializing structured data

Examples

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Embodiment Construction

[0089] A commonly used serialization method is based on the protobuf protocol proposed by Google, which is described below.

[0090] The protobuf protocol is based on the structure of the message object, and the message object includes at least one field, such as figure 1 As shown, a field includes a tag and value.

[0091] The tag has a length of 4 bytes, including a field identifier (field_number) and a value type (value_type). The field_number is used to identify the field, the value_type is used to describe the data type in the value, and the value is used to store data.

[0092] When at least one structured data is serialized based on the protobuf protocol, all structured data is converted into a message object, and the attribute value set of the corresponding structured data is stored in each value of one of the message objects. For example, structured data order1 has a set of attribute values: a1, a2, and a3, and structured data order2 has a set of attribute values: b1, b2, an...

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Abstract

The invention provides methods and devices for serializing and deserializing structured data. The method for serializing the structured data includes acquiring attribute value groups respectively corresponding to the n structured data; generating a group of serialized data according to the attribute value groups respectively corresponding to the n structured data. The serialized data comprise n records, wherein the i record comprises m+1 domains, the attribute value groups corresponding to the i structured data are stored in value information of previous m domains, and first specific marks are stored in tag information of the m+1 domains and are used for marking ends of the i record. The serialized data further comprise specific domains at the rears of the n records, and second specific marks are stored in tag information of the specific domains and are used for marking ends of the serialized data. The methods and the device have the advantages that the structures of message objects are omitted, and accordingly the problem of incapability of implementing serialization due to constraints of the sizes of the message objects can be solved.

Description

Technical field [0001] This application relates to the field of computer technology, in particular to a method and device for serialization and deserialization of structured data. Background technique [0002] With the advent of the big data era, more and more service providers have released structured data processing platforms that can provide serialization and deserialization processing for structured data. The serialization of structured data refers to the conversion of original structured data into serialized data with a specific format to facilitate operations such as transmission based on the serialized data. And deserialization is the reverse process of serialization, which can restore serialized data with a specific format to the original structured data. [0003] Currently, a commonly used serialization method is based on the protobuf protocol proposed by Google. When at least one structured data is serialized based on the protocol, the specific serialization process incl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/21G06F16/22G06F16/258G06F16/00
Inventor 李勇勇蔡瀛王升功
Owner ALIBABA GRP HLDG LTD
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