CN109889553B - Structured message self-adaptive conversion method and device - Google Patents
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Abstract
The invention discloses a structured message self-adaptive conversion method and a device, wherein the device comprises the following steps: a data element dictionary and a message adaptive conversion middleware; the data element dictionary comprising: the method comprises the steps of extracting an atomic field and a combination parameter from a structured message, and designing a data element conversion rule according to the atomic field and the combination parameter; the data element dictionary is used for supporting the running of message self-adaptive conversion middleware; the message self-adaptive conversion middleware realizes the self-adaptive conversion of the structured message received by the receiving end through a structured message conversion algorithm based on the data element dictionary. The invention does not need to customize and develop conversion codes, does not require strict consistency of message element precision, representation mode, arrangement sequence and the like at the transmitting end and the receiving end, can quickly realize the conversion requirement of various structured message contents, and has the characteristics of strong adaptability, high conversion efficiency, good interoperability and the like.
Description
Technical Field
The invention relates to the field of computer application software, in particular to a structured message self-adaptive conversion method and a structured message self-adaptive conversion device.
Background
The structured message conversion is an important step of complex system integration, and the integration, expansion and interoperation of complex heterogeneous systems are realized by adapting and converting data messages with different formats, different element accuracies, different representation modes and different arrangement sequences. The current mature method comprises heterogeneous message conversion facing to the customized code and message format conversion based on a common data model. The former is suitable for system integration with simple composition and structure and fixed information interaction relation, has the advantages of high conversion efficiency and the defect of difficult realization of dynamic expansion and upgrading of the system because the system needs to be realized by code development and once the system is integrated, the system connection relation and the information interaction relation are fixed; the method is suitable for data integration of complex systems, can solve the problem of format conversion of structured messages, such as conversion from XML format to JSON format, but cannot realize automatic conversion of structured messages with different data element precision, representation modes and arrangement sequences.
At present, the complex heterogeneous system integration generally adopts a heterogeneous message conversion technology facing to a customized code, a large number of heterogeneous systems in the system are customized and adapted one by one according to the fixed message content and format requirements, the operation complexity is high, the compatibility and the flexibility are poor, the system needs to be adapted again when being upgraded, and the system integration efficiency is low. The message format conversion technology based on the common data model has limited functions because the format conversion of the specific message can be completed, so that the practical application is less.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the existing problems, the structured message self-adaptive conversion method and the device are provided, conversion codes do not need to be customized and developed, strict consistency of message element precision, representation mode, arrangement sequence and the like at the transmitting end and the receiving end is not required, the conversion requirements of various structured message contents can be quickly realized, and the method and the device have the characteristics of strong adaptability, high conversion efficiency, good interoperability and the like.
The technical scheme adopted by the invention is as follows:
a self-adaptive conversion method of a structured message comprises the following steps:
extracting an atomic field and a combination parameter of a structured message, designing a data element conversion rule according to the atomic field and the combination parameter, and constructing a data element dictionary in a specific field;
describing the composition, the arrangement sequence and the processing rule of the data elements of the structured message interfaces of the sending end and the receiving end based on the atomic field and the combination parameters of the data element dictionary, and respectively forming message interface description files of the sending end and the receiving end;
generating a message conversion rule from the sending end to the receiving end by using a data element conversion rule in the data element dictionary according to message interface description files of the sending end and the receiving end;
after receiving the structured message, the receiving end extracts the message interface description file of the structured message, completes message content analysis and checks the message content;
after the message content is successfully checked, automatically converting the message content of the structured message received by the receiving end according to the message conversion rule to generate a message format meeting the requirements of the receiving end.
Wherein the atomic field is a base of the structured message and a data element which can not be subdivided.
Wherein, the combination parameter is a data element with specific use formed by the combination of atomic fields.
The data element conversion rule comprises two atom fields and combination parameters with different precisions and different representation modes, and a quantitative conversion rule between the atom fields and the combination parameters.
Wherein, the message interface description file is managed by XML standard.
The message interface description file is used at the sending end and the receiving end in a system initialization loading or network transmission mode.
Wherein the message conversion rule is generated only once upon system initialization.
After the message content is successfully verified, automatically converting the message content of the structured message received by the receiving end according to the message conversion rule to generate a message format meeting the requirements of the receiving end, wherein the method comprises the following steps:
step (5.1), constructing a target message according to a message interface description file of a receiving end, and filling a default value for a data element of the target message;
step (5.2), analyzing the operational characters, functions and variables of the data element conversion rule by performing lexical analysis on the data element conversion rule, and decomposing the conversion rule according to the operation priority to generate a mathematical expression of message conversion;
step (5.3), for the message contents in different arrangement sequences, assigning values to corresponding data elements of the structured message according to the mapping sequence; and (5) for the message contents with different element precisions and different expression modes, according to the message conversion mathematical expression generated in the step (5.2), completing the numerical calculation of the message elements, assigning values to the corresponding data elements, and generating a receiving end message.
And (5.2) storing the analysis result of the vocabulary analysis of the data element conversion rule for the subsequent message conversion.
A structured message self-adaptive conversion device based on the above structured message self-adaptive conversion method comprises: a data element dictionary and a message adaptive conversion middleware;
the data element dictionary comprising: the method comprises the steps of extracting an atomic field and a combination parameter from a structured message, and designing a data element conversion rule according to the atomic field and the combination parameter; the data element dictionary is used for supporting the running of message self-adaptive conversion middleware;
the message self-adaptive conversion middleware realizes the self-adaptive conversion of the structured message received by the receiving end through a structured message conversion algorithm based on the data element dictionary.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the system interface of the invention has flexible design. The data element precision, the representation mode, the arrangement sequence, the element quantity and the like of the messages at the two transmitting and receiving ends are not required to be strictly consistent, and only the corresponding primary fields or combined parameters in the data element dictionary are needed, so that the integration and the conversion of the heterogeneous structured messages can be realized, the complexity of the system interface design is reduced, and the collaborative development of a complex system is supported.
2. The invention has high efficiency and system integration. The self-adaptive conversion of the contents of the heterogeneous structured messages can be realized without customizing and developing conversion codes among the structured messages, the online dynamic integration of a complex heterogeneous system is completed, and the integration requirement of the existing system can be quickly met.
3. The system of the invention is flexible and self-organizing. By automatically generating conversion rules, the self-adaptive conversion mode of the structured message is realized, the flexible organization and the interoperation of the system can be realized, the independent upgrade and the expansion of each element in a complex system are supported, and the continuous growth of the system is supported.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a structured message adaptive conversion method according to the present invention.
FIG. 2 is a diagram illustrating a structure of a data element dictionary according to the present invention.
FIG. 3 is a flow chart of the structured message transformation algorithm of the present invention.
Fig. 4 is a structural body and a message interface description example of a structured message according to embodiment 1 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a structured message self-adaptive conversion method, as shown in figure 1, comprising the following steps:
extracting an atomic field and a combination parameter of a structured message, designing a data element conversion rule according to the atomic field and the combination parameter, and constructing a data element dictionary in a specific field;
the atomic field is a base of the structured message and non-subdivided data elements, such as longitude, latitude, altitude, number, distance and the like, and is described by attributes such as element number, name, data type, length, numerical unit, default value and the like.
The combination parameters are data elements with specific purposes, such as positions, physical areas, time periods and the like, formed by combining atomic fields, and are described by attributes such as element numbers, names, combination element numbers, combination element default values and the like.
The data element conversion rules are atomic fields and combination parameters with two different precisions and different expressions, and quantitative conversion rules between the atomic fields and the combination parameters, wherein the data elements with different precisions are meter (m) and kilometer (km), gram (g) and kilogram (kg), etc., and the data elements with different expressions are temperature in centigrade (DEG C) and temperature in Fahrenheit (F), relative time (relative 1970-1-1) and absolute time (year-month-week-day-hour-minute-second-millisecond), etc., and are described by attributes such as source element numbers, target element numbers and conversion rules.
Describing the composition, the arrangement sequence and the processing rule of the data elements of the structured message interfaces of the sending end and the receiving end based on the atomic field and the combination parameters of the data element dictionary, and respectively forming message interface description files of the sending end and the receiving end;
wherein, the message interface description file is managed by XML standard. The structure types of a structure body, a fixed-length array, a variable-length array, a character string and the like formed by a plurality of data elements are described, and nesting of the types is supported. Further, the message interface description file is used at the sending end and the receiving end in a system initialization loading or network transmission mode.
Generating a message conversion rule from the sending end to the receiving end by using a data element conversion rule in the data element dictionary according to message interface description files of the sending end and the receiving end; the process processes the spare elements, array length elements and missing elements in the message interfaces of the sending end and the receiving end, extracts the data element conversion rules with different precisions and different representation modes, and maps the atomic fields of the sending end and the receiving end in different arrangement sequences. Wherein the message conversion rule is generated only once upon system initialization.
After receiving the structured message, the receiving end extracts the message interface description file of the structured message, completes message content analysis and checks the message content; when the message content is analyzed, the atomic field, the standby element, the structure body, the fixed-length array, the variable-length array, the character string and the nesting of the structure types in the structured message are analyzed, the binary stream of the message is divided, the binary stream of the message respectively corresponds to the fields, and the value of each field is determined.
After the message content is successfully checked, automatically converting the message content of the structured message received by the receiving end according to the message conversion rule to generate a message format meeting the requirements of the receiving end. The process comprises the following steps:
step (5.1), constructing a target message according to a message interface description file of a receiving end, and filling a default value for a data element of the target message;
step (5.2), analyzing the operational characters, functions and variables of the data element conversion rule by performing lexical analysis on the data element conversion rule, and decomposing the conversion rule according to the operation priority to generate a mathematical expression of message conversion;
step (5.3), assigning values to corresponding elements of the structured message according to the mapping sequence for the message contents in different arrangement sequences; and (5) for the message elements with different element precision and different expression modes, according to the message conversion mathematical expression generated in the step (5.2), completing the numerical calculation of the message elements, assigning values to the corresponding elements, and generating a receiving end message.
And (5.2) storing the analysis result of the vocabulary analysis of the data element conversion rule for the subsequent message conversion. In the automatic message conversion process, if abnormal conditions such as abnormal message length of a receiving end, lexical error of conversion rules, illegal dereferencing of data elements and the like occur, reminding is carried out by a structured message conversion algorithm.
The invention also provides a structured message self-adaptive conversion device based on the structured message self-adaptive conversion method, which comprises the following steps: a data element dictionary and a message adaptive conversion middleware;
the data element dictionary is shown in fig. 2, and includes: the method comprises the steps of extracting an atomic field and a combination parameter from a structured message, and designing a data element conversion rule according to the atomic field and the combination parameter; the data element dictionary is in a database form and is used for supporting the running of a message self-adaptive conversion middleware;
the message adaptive conversion middleware is shown in fig. 3, and based on the data element dictionary, the structured message adaptive conversion from the sending end to the receiving end is realized through a structured message conversion algorithm (steps two to five). The message self-adaptive conversion middleware can be structured message self-adaptive conversion software, is realized in a dynamic library form, can be dynamically called by application software, and completes the processing of conversion rule generation, message analysis, rule lexical analysis, numerical calculation and the like through a structured message conversion algorithm.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
Fig. 4 shows a structural body and a message description of a structured message before and after conversion in the structured message adaptive conversion method provided in this embodiment. The message interface of the sending end is A, the message interface of the receiving end is B, through the adaptive conversion method of the structural message of the invention, the message content of the message interface A is automatically converted into the message content meeting the requirement of the message interface B at the receiving end. The specific working process is as follows:
step one, constructing a data element dictionary: extracting atom fields such as a target number, a reporting time A, an effective distance B, a temperature A, a temperature B, a working mode and the like in structural bodies a) and B) of the message interface A and the message interface B, and combination parameters such as a reporting time B and a position and the like, and designing data element conversion rules such as a temperature A and a temperature B, a reporting time A and a reporting time B, an effective distance A and an effective distance B and the like to form a data element dictionary.
Step two, describing a message interface: and describing the structural elements of the message interface A and the message interface B by using the atomic field and the combination parameters to respectively form message description xml files c) and d).
Step three, generating a message conversion rule: reading the message description xml files c) and d) when the system is initialized, loading the data element dictionary, and automatically generating a message conversion rule from the message interface A to the message interface B by using the data element conversion rule. The method comprises the steps of marking missing data elements in a message interface B by mapping and converting rule indexes of different arrangement sequences of working modes, effective distances and the like, different element accuracies of the effective distances A and the effective distances B, different representation mode elements of reporting time A and reporting time B, temperature A and temperature B and the like.
Analyzing the message content: after receiving the structured message, the receiving end analyzes the target number, the working mode, the reporting time, the atomic fields of the effective distance A, the temperature A and the like, and the position and other combination parameters in the interface A, determines the value of each data element, and simultaneously checks the message length, the check code and the like of the structured message;
step five, automatically converting the message: and after the structured message is successfully checked at the receiving end, automatically converting the message content according to the message conversion rule to generate the message content meeting the requirement of the message interface B.
Step (5.1), constructing a target message data area according to the format of a message interface B, and setting default values of data elements such as a target number, an effective distance, a working mode and the like as 0;
step (5.2), decomposing data element conversion rules such as effective distance, temperature and the like according to the operation priority, and generating a mathematical expression for converting the message interface A to the message interface B:
target numbers (UINT 4: Byte 0-3) are target numbers (UINT 4: Byte 0-3);
an effective distance B (Byte 4-7) is an effective distance A (UINT 4: Byte 28-31);
the working mode (UINT 2: Byte 8-9) is the working mode (UINT 2: 36-37);
t (FLOAT) 1.8 × temperature a (FLOAT: Byte 32-35); temperature B (FLOAT: Byte 10-11) ═ T (FLOAT) + 32;
…。
and (5.3) assigning values to corresponding data elements of the message interface B through the numerical calculation of message elements from the message interface A to the message interface B, and generating a receiving end message. The following heterogeneous contents of the message interface A and the message interface B are mainly processed:
the data elements are arranged in different orders: the arrangement sequence of the temperature, the position, the reporting time, the effective distance and the working mode in the two interfaces is different;
data elements are represented differently: the temperature A and the temperature B are respectively expressed in degrees centigrade and degrees Fahrenheit, and the reporting time A and the reporting time B are respectively expressed by the time of 1970 and the absolute time of 'year-month-week-day-hour-minute-second-millisecond';
the data elements differ in accuracy: the data precision of the effective distance A and the effective distance B are respectively meter and kilometer.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A structured message self-adaptive conversion method is characterized by comprising the following steps:
extracting an atomic field and a combination parameter of a structured message, designing a data element conversion rule according to the atomic field and the combination parameter, and constructing a data element dictionary in a specific field;
describing the composition, the arrangement sequence and the processing rule of the data elements of the structured message interfaces of the sending end and the receiving end based on the atomic field and the combination parameters of the data element dictionary, and respectively forming message interface description files of the sending end and the receiving end;
generating a message conversion rule from the sending end to the receiving end by using a data element conversion rule in the data element dictionary according to message interface description files of the sending end and the receiving end;
after receiving the structured message, the receiving end extracts the message interface description file of the structured message, completes message content analysis and checks the message content;
after the message content is successfully checked, automatically converting the message content of the structured message received by the receiving end according to the message conversion rule to generate a message format meeting the requirements of the receiving end; after the message content is successfully verified, automatically converting the message content of the structured message received by the receiving end according to the message conversion rule to generate a message format meeting the requirements of the receiving end, wherein the method comprises the following steps:
step (5.1), constructing a target message according to a message interface description file of a receiving end, and filling a default value for a data element of the target message;
step (5.2), analyzing the operational characters, functions and variables of the data element conversion rule by performing lexical analysis on the data element conversion rule, and decomposing the conversion rule according to the operation priority to generate a mathematical expression of message conversion;
step (5.3), for the message contents in different arrangement sequences, assigning values to corresponding data elements of the structured message according to the mapping sequence; and (5) for the message contents with different element precisions and different expression modes, according to the message conversion mathematical expression generated in the step (5.2), completing the numerical calculation of the message elements, assigning values to the corresponding data elements, and generating a receiving end message.
2. The method of adaptive conversion of structured messages according to claim 1, wherein the atomic fields are the base and non-subfractionable data elements of the structured message.
3. The adaptive conversion method for structured messages according to claim 1, wherein the combination parameters are data elements with specific uses formed by combination of atomic fields.
4. The adaptive structured message conversion method according to claim 1, wherein the data element conversion rule is an atomic field and a combination parameter with two different accuracies and different expressions, and a quantitative conversion rule between the atomic field and the combination parameter.
5. The adaptive conversion method for structured messages according to claim 1, wherein the message interface description file is managed in the XML standard.
6. The adaptive conversion method for structured messages according to claim 1, wherein the message interface description file is used at the sending end and the receiving end by means of system initialization loading or network transmission.
7. The structured message adaptive conversion method of claim 1, wherein the message conversion rule is generated only once at system initialization.
8. The adaptive structured message conversion method of claim 1, wherein the analysis result of the lexical analysis of the data element conversion rules performed in step (5.2) is stored for use in subsequent message conversions.
9. A structured message adaptive conversion apparatus based on the structured message adaptive conversion method according to any one of claims 1 to 8, comprising: a data element dictionary and a message adaptive conversion middleware;
the data element dictionary comprising: the method comprises the steps of extracting an atomic field and a combination parameter from a structured message, and designing a data element conversion rule according to the atomic field and the combination parameter; the data element dictionary is used for supporting the running of message self-adaptive conversion middleware;
the message self-adaptive conversion middleware realizes the self-adaptive conversion of the structured message received by the receiving end through a structured message conversion algorithm based on the data element dictionary.
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| CN110636071B (en) * | 2019-09-26 | 2020-07-07 | 光大兴陇信托有限责任公司 | Interface docking method |
| CN110716921A (en) * | 2019-09-30 | 2020-01-21 | 潍柴动力股份有限公司 | Message general module configuration method and device |
| CN113129144A (en) * | 2019-12-31 | 2021-07-16 | 航天信息股份有限公司 | Transaction information processing method, device and system |
| CN111683066B (en) * | 2020-05-27 | 2023-06-23 | 平安养老保险股份有限公司 | Heterogeneous system integration method, heterogeneous system integration device, computer equipment and storage medium |
| CN114070886A (en) * | 2021-11-17 | 2022-02-18 | 深圳壹账通智能科技有限公司 | Message conversion method, device, equipment and medium |
| CN116882366B (en) * | 2023-09-07 | 2024-01-19 | 粤芯半导体技术股份有限公司 | Structure conversion method and device for marking type message, electronic product and medium |
| CN118760656B (en) * | 2024-09-05 | 2025-01-21 | 深圳十沣科技有限公司 | File format conversion method, device and storage medium |
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