CN109165855A - A kind of financial business application data model systems and its control method - Google Patents
A kind of financial business application data model systems and its control method Download PDFInfo
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Abstract
The present invention relates to a kind of financial business application data model systems and its control method, solves the defect using data model systems itself without safety and data Completeness Design compared with prior art.The present invention the following steps are included: application layer demand acquisition；The resetting of session layer progress incomming sequence number；The data processing of data Layer；The feedback of application layer demand.The present invention joined the design of assuring data security and integrality in data model systems, by the design of data packet incomming sequence number and transmission sequence number, ensure that the integrality of data packet transmission；The resetting step that incomming sequence number is carried out by session layer, while ensuring that sequence number transmits accuracy, it is ensured that the safety of data packet transmission；By the design for using response domain message in application layer demand feedback, it is ensured that the integrality of feedback data.
Description
Technical field
The present invention relates to big data analysis technical field, specifically a kind of financial business application data model systems and
Its control method.
Background technique
Data model is the abstract of real-world data feature, for describing the concepts and definitions of one group of data.Data mould
Type is the storage mode of data in database, is the basis of Database Systems.In the database, the physical structure of data also known as counts
According to storage organization, be the expression and its configuration of data element in computer storage；The logical construction of data is then index
According to the logical relation between element, it is the form of expression of the data in face of user or programmer, and the storage organization of data is different
It is fixed consistent with logical construction.Any system all be unable to do without the research and development of data model, and good data model can more embody system
It is advanced.
In finance data analysis field, due to finance data safety, the special requirement of accuracy, the design of data model
Then it is particularly important.Traditional finance data model system is based on J2EE framework more, using the access module of B/S, provides one
The system function document and API explanation of a little regulation and standardizations.But current data model systems are based only on data analysis
Traditional design does not fully consider the safety and integrality of data in data transmission procedure.
Especially financial business application data are different from underlying algorithm and calculate data, and financial business application data are related to
To client to too many levels such as the transmission of server, verifying, response, feedbacks.It is directed to for financial business application data at present,
It giving Network Security Service hardware (firewall) Information Security and transmission integrity more or agreement (transport protocol) being guaranteed
And verification, and data model systems itself consider without safety and the design of integrality.
Therefore, how to design for using data model systems progress safety and data integrity consideration and have become urgency
Technical problem to be solved.
Summary of the invention
The purpose of the present invention is to solve apply data model systems itself without safety sum number in the prior art
According to the defect of Completeness Design, a kind of financial business application data model systems and its control method are provided to solve above-mentioned ask
Topic.
To achieve the goals above, technical scheme is as follows:
A kind of financial business application data model systems, including application layer, session layer and data Layer, application layer is for defining
Financial transaction data activity, session layer is for defining data communication protocol and transmission, and data Layer is for storing financial algorithms library；It answers
Include definitions of asset module, trade management module with layer, calculate module and clearance module, data Layer includes server, finance calculation
Faku County and calculate node；Application layer carries out data communication by session layer and data Layer.
A kind of control method of financial business application data model systems, comprising the following steps:
The acquisition of application layer demand, data Layer get the customer demand of application layer by session layer；
Session layer carries out the resetting of incomming sequence number, incomming sequence number and data of the session layer to application layer
The incomming sequence number of layer carries out reset process；
The server of the data processing of data Layer, data Layer parses received information, according to business demand, generates
Corresponding service requesting information, transfers financial algorithms library, and control calculate node generates response message；
Response message is sent to application layer by session layer by the server of the feedback of application layer demand, data Layer.
The acquisition of the application layer demand the following steps are included:
Session layer establishes incomming sequence number and outgoing sequence number in application layer and data Layer respectively,
Incomming sequence number is used for the random ordering or leap of detection sequence number；
The Logon stage of application layer, client log in application layer by encryption key；
The request of definitions of asset module, trade management module, accounting module or clearance module is carried out data and beaten by application layer
Packet, one transmission sequence number of each mating generation of data packet, and transmission sequence number from small to large ord carries out data packet
Arrangement；
Data packet is sent to data Layer according to transmission sequence number sequence by session layer, session layer one data packet of every transmission and its
It is added 1 in the incomming sequence number that application layer is established by mating transmission sequence number；
Data Layer successively receives the data packet of session layer transmission and its mating transmission sequence number, the every reception of data Layer one pass
It is added 1 in the incomming sequence number that data Layer is established by defeated sequence number, session layer；
Session layer compares its incomming sequence number in application layer and data Layer；If they are the same, transmission success is indicated；
If it is different, indicating data-bag lost, retransfer；
After session layer has sent all data packets, the outgoing sequence of an application layer, data are sent to data Layer
After layer receives sequence message, a data Layer outgoing sequence is replied to application layer, intercommunication terminates.
The session layer carry out the resetting of incomming sequence number the following steps are included:
Session layer notifies application layer to send incomming resetting request and resetting request time to the server of data Layer；
Application layer sends testrequest message to the server of data Layer by session layer；
After the server of data Layer receives testrequest message, heartbeat message is replied to application layer；
After application layer receives heartbeat message, confirmation connection is normal；
Application layer issues testrequest message to session layer and data Layer, forces to stop session layer and data Layer
Connection；
The incomming sequence number resetting that session layer sets it in application layer, and sent to the server of data Layer
Reset message, Reset message include sequence number resetting domain and the domain NextExceptedSeqNumb, the sequence in Reset message
Number resetting domain is set as Y, and sequence number is set to 1；
After data Layer receives Reset message, Logout message, the incomming sequence number resetting of data Layer are replied, and tie
The resetting of beam incomming sequence number；
The connection of application layer recovery session layer and data Layer.
The data processing of the data Layer the following steps are included:
The server of data Layer to data packet carry out analytical analysis, parse solicited message, broadcast message, order information,
Protocol domain, information type definition and data dictionary；
Server parses algorithm from order information and protocol domain, defines sum number from information type according to parsing content
According to parsing numerical value in dictionary；
DP message is established, DP message format is < algorithm >=< numerical value >；
Server transfers corresponding algorithm address in financial algorithms library, by its address of cache into DP message；
The storage address of numerical value is mapped in DP message by server；
DP message is sent to calculate node by server, and calculate node introduces numerical value and corresponding algorithm is calculated；
Calculate node returns the result to server, and server generates response message.
The feedback of the application layer demand the following steps are included:
Server carries out data encapsulation to response message and is packaged, and reply data packet format is { data label head, response letter
Breath, data type, data length, data label tail }；
Server extracts data type and data length, generates response domain message, and passes through session layer for response domain message
It is sent to application layer；
Application layer parses response domain message, and waits the reception of reply data packet；
Reply data packet is sent to application layer by session layer by server；
Application layer is parsed after receiving reply data packet, and whether analysis response message meets Acknowledge message content；If
Meet, shows that the transmission of reply data packet is complete；If not satisfied, showing reply data packet transmission deletion, transmitted again.
Logon stage of the application layer the following steps are included:
Application layer obtains the encryption key of client, and Logon message is transferred to the clothes of data Layer by application layer by session layer
Business device；
Server returns to a Logon message to application layer, includes all key informations in this Logon message；
Application layer obtains the Logon message that server returns, and checks encryption key；If verification is correct, sent out to server
Send Logon response message.
Beneficial effect
Financial business application data model systems of the invention and its control method, compared with prior art in data model
The design that joined assuring data security and integrality in system, passes through data packet
The design of incomming sequence number and transmission sequence number, ensure that the integrality of data packet transmission；Pass through session layer
The resetting step for carrying out incomming sequence number, while ensuring that sequence number transmits accuracy, it is ensured that data packet transmission
Safety；By the design for using response domain message in application layer demand feedback, it is ensured that the integrality of feedback data.
The present invention is designed by the three-decker of application layer, session layer and data Layer in data model systems, so that system
Has the characteristics that normative and scalability, so that the system based on this exploitation and the resource used have unified description and say
It is bright, it ensure that versatility, validity, promote the generation of high-quality resource and share；The design of application layer so that module addition
It is more convenient, it is more convenient for the service interaction with external system.
Detailed description of the invention
Fig. 1 is system structure diagram of the invention；
Fig. 2 is method precedence diagram of the invention.
Specific embodiment
The effect of to make to structure feature of the invention and being reached, has a better understanding and awareness, to preferable
Examples and drawings cooperation detailed description, is described as follows:
As shown in Figure 1, a kind of financial business application data model systems of the present invention, including application layer, session layer
And data Layer, application layer carry out data communication by session layer and data Layer.Application layer is movable for defining financial transaction data,
Application layer includes definitions of asset module, trade management module, calculates module and clearance module, can be with by the design of stratification
Application layer is enabled easily to increase related application module.Session layer counts herein for defining data communication protocol and transmission
According to communication protocol and the unconventional network transmission protocol, because data model systems are built-in system, external connection communication
For traditional network transmission protocol, internal hierarchical linkage communication is control method of the present invention.Data Layer is for storing
Financial algorithms library, data Layer include server, financial algorithms library and calculate node.Financial algorithms library stores financial algorithm, for gold
Melt related algorithm, calculate node is for carrying out numerical value calculating, to return to the demand of application layer, for application data model systems into
Row calculates service using data.
As shown in Fig. 2, a kind of control method of financial business application data model systems, comprising the following steps:
The first step, the acquisition of application layer demand, data Layer get the customer demand of application layer by session layer.It is specific
Steps are as follows:
(1) session layer establishes incomming sequence number and outgoing sequence number in application layer and data Layer respectively,
Incomming sequence number is used for the random ordering or leap of detection sequence number.
In order to increase the function of detection data transmission correctness inside data model systems, here, session layer exists respectively
Application layer establishes incomming sequence number and outgoing sequence number, at the same data Layer establish incomming sequence number and
Outgoing sequence number, in this, as the judgement of transmission data packet integrality correctness.
(2) the Logon stage of application layer, client log in application layer by encryption key.
Application layer applications in different clients from the login of client, in order to realize the security functions of data model systems,
Server is no longer met in a traditional way in this key authentication process to be judged, but phase is obtained from server by application layer
Judged after closing information by application layer, makes client user not access data Layer directly with this, ensure that data Layer in meeting
Security isolation under session layer blocking, to realize the safety effect of data model systems.
Wherein, application layer the Logon stage the following steps are included:
A1, application layer obtain the encryption key of client, and Logon message is transferred to data Layer by session layer by application layer
Server, Logon message are to obtain cipher key data message.
A2, server return to a Logon message to application layer, include all key informations in this Logon message.?
This, although including all key informations in the Logon message that server is replied, client have obtain all key informations can
Energy property, but the key authentication based on current Web bank is all made of the mode of mobilism, this time verifies even if client obtains
All key informations, for improper login next time, this time all key informations of verifying have no actual use value.
A3, application layer obtain the Logon message that server returns, and check encryption key；If verification is correct, to server
Logon response message is sent, indicates that login authentication passes through.
(3) request of definitions of asset module, trade management module, accounting module or clearance module is carried out data by application layer
It is packaged, and each data packet one transmission sequence number of mating generation, and to transmission sequence number from small to large ord to data packet
It is arranged.
Here, the effect of transmission sequence number is also used for verifying session not only for order transfer, transmission sequence number is carried out
Integrality of the layer when transmitting data packet.For example, if the incomming sequence number of data Layer only with the arrival of data packet be according to
According to progress incomming sequence number adds 1 operation, that can only indicate that data packet reaches data Layer, but session layer is in transmission data
In packet procedures, if having how damage, integrality can not but judge.By transmitting the addition of sequence number, in the transmission of data packet
In the process, it even if generating corrupted data, is lost at first with transmission sequence number that data packet is not encapsulating structure, works as data Layer in this way
When judging less than transmission sequence number, it may be considered that the transmission process of data packet has damage, judge whether session layer deposits with this
In error of transmission.
(4) data packet is sent to data Layer, session layer one data packet of every transmission according to transmission sequence number sequence by session layer
And its mating transmission sequence number, it is added 1 in the incomming sequence number that application layer is established, meeting is judged by transmission sequence number
Whether session layer correctly transmits.
(5) data Layer successively receives the data packet and its mating transmission sequence number that session layer transmits, and data Layer is every to receive one
It is added 1 in incomming sequence number that data Layer is established by a transmission sequence number, session layer, similarly, judges session layer with this
With the presence or absence of error of transmission.
(6) session layer compares its incomming sequence number in application layer and data Layer；If they are the same, indicate transmission at
Function；If it is different, indicating data-bag lost, retransfer.For multiple data packets, if the incomming sequence in application layer
Row number is identical with the incomming sequence number on data Layer, then illustrates that session layer does not have that an error has occurred in transmission process, that is, passes
Defeated success.
(7) after session layer has sent all data packets, the outgoing sequence of an application layer, number are sent to data Layer
After receiving sequence message according to layer, a data Layer outgoing sequence is replied to application layer, intercommunication terminates.
Second step, session layer carry out the resetting of incomming sequence number.In order to cooperate the demand of application layer next time to ring
It answers, after each application layer demand reaches data Layer, session layer is intended to the incomming sequence number of application layer and data Layer
Incomming sequence number carries out reset process.The specific steps of which are as follows:
(1) when session layer notifies application layer to send incomming resetting request and resetting request to the server of data Layer
Between.
(2) application layer sends testrequest message to the server of data Layer by session layer.
(3) after the server of data Layer receives testrequest message, heartbeat message is replied to application layer.
(4) after application layer receives heartbeat message, confirmation connection is normal.
(5) application layer issues testrequest message to session layer and data Layer, forces to stop session layer and data Layer
Connection, be session layer and data Layer the resetting of incomming sequence number make it is accurate.
(6) the incomming sequence number resetting that session layer sets it in application layer, and sent to the server of data Layer
Reset message,
Reset message includes that sequence number resets domain and the domain NextExceptedSeqNumb (arranging next transmission time),
Sequence number resetting domain in Reset message is set as Y, and sequence number is set to 1.
(7) after data Layer receives Reset message, Logout message is replied, the incomming sequence number of data Layer is reset,
And terminate the resetting of incomming sequence number.
(8) application layer restores the connection of session layer and data Layer.
Third step, the data processing of data Layer.After the demand for obtaining application layer, the server of data Layer docks data Layer
The information of receipts is parsed, and according to business demand, generates corresponding service requesting information, transfers financial algorithms library, and control calculates
Node generates response message.The specific steps of which are as follows:
(1) server of data Layer carries out analytical analysis to data packet, parses solicited message, broadcast message, order letter
Breath, protocol domain, information type definition and data dictionary.Application layer is traditional technology for the packaging technique of data packet, equally,
This is also conventional analytic analytical technology for the analytic technique of data packet.
(2) server according to parsing content, parse algorithm from order information and protocol domain, from information type definition and
Numerical value is parsed in data dictionary.Numerical value is calculative finance data content, and algorithm is the correlation theory algorithm of finance.
(3) DP message is established, DP message format is < algorithm >=< numerical value >.
The purpose for establishing DP message herein is to be further ensured that the safety of data model systems.Typically, it is directed to
Financial business, financial algorithms library are the trade secret of core, the important means competed between banking.Therefore, it services herein
Device does not call directly the algorithm in financial algorithms library, is merely given as mapping address, then passes through mapping address tune by calculate node
With the algorithm in financial algorithms library, result is returned again to server, has fundamentally prevented server in financial algorithms library
Algorithm is directly handled.
(4) server transfers corresponding algorithm address in financial algorithms library, by its address of cache into DP message.
(5) storage address of numerical value is mapped in DP message by server.
(6) DP message is sent to calculate node by server, and calculate node introduces numerical value and corresponding algorithm is calculated.
(7) calculate node returns the result to server, and server generates response message, and response message is to need to reply application
The information of layer.
Response message is sent to application by session layer by the server of the 4th step, the feedback of application layer demand, data Layer
Layer.The data information for being directed to data Layer toward application layer is fed back, and guarantees the integrality of data packet using Acknowledge message mode, and
By the way of incomming sequence number not before, to form feedback, demand receives the transmission of overlapped way, i.e. data Layer
While passing through application layer feedback data, application layer can send demand to data Layer again again, and two transmission processes can be simultaneously
Row processing (transmission mode of application layer to data Layer and data Layer to application layer is different), facilitates the raising of efficiency of transmission.Its
Specific step is as follows:
(1) server carries out data encapsulation packing to response message, and reply data packet format is { data label head, response
Information, data type, data length, data label tail }.
(2) server extracts data type and data length, generates response domain message, and Acknowledge disappears by session layer
Breath is sent to application layer.
(3) application layer parses response domain message, and waits the reception of reply data packet.
(4) reply data packet is sent to application layer by session layer by server.
(5) application layer is parsed after receiving reply data packet, and whether analysis response message meets Acknowledge message content；
If satisfied, showing that the transmission of reply data packet is complete；If not satisfied, showing reply data packet transmission deletion, transmitted again.
Financial business application data model systems of the present invention, ensure that the peace of data Layer from distinguishing hierarchy first
Quan Xing, and the safety that session layer carries out data transmission ensure that by incomming sequence number and reply data packet；Secondly logical
Crossing Logon message ensure that the isolation safe of data Layer in the verifying of application layer, ensure that financial calculation by the setting of DP message
The safety of Faku County, so that the characteristics of financial business application data model systems itself have safety, data transfer integrity.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (7)
1. a kind of financial business application data model systems, it is characterised in that: including application layer, session layer and data Layer, application
Layer is for defining financial transaction data activity, and session layer is for defining data communication protocol and transmission, and data Layer is for storing gold
Melt algorithms library；Application layer includes definitions of asset module, trade management module, calculates module and clearance module, and data Layer includes clothes
Business device, financial algorithms library and calculate node；Application layer carries out data communication by session layer and data Layer.
2. a kind of control method of financial business application data model systems according to claim 1, which is characterized in that packet
Include following steps:
21) acquisition of application layer demand, data Layer get the customer demand of application layer by session layer；
22) session layer carries out the resetting of incomming sequence number, incomming sequence number and data of the session layer to application layer
The incomming sequence number of layer carries out reset process；
23) server of the data processing of data Layer, data Layer parses received information, according to business demand, generates
Corresponding service requesting information, transfers financial algorithms library, and control calculate node generates response message；
24) response message is sent to application layer by session layer by the server of the feedback of application layer demand, data Layer.
3. a kind of control method of financial business application data model systems according to claim 2, which is characterized in that institute
State the acquisition of application layer demand the following steps are included:
31) session layer establishes incomming sequence number and outgoing sequence number in application layer and data Layer respectively,
Incomming sequence number is used for the random ordering or leap of detection sequence number；
32) the Logon stage of application layer, client log in application layer by encryption key；
33) application layer beats the request progress data of definitions of asset module, trade management module, accounting module or clearance module
Packet, one transmission sequence number of each mating generation of data packet, and transmission sequence number from small to large ord carries out data packet
Arrangement；
34) data packet is sent to data Layer according to transmission sequence number sequence by session layer, session layer one data packet of every transmission and its
It is added 1 in the incomming sequence number that application layer is established by mating transmission sequence number；
35) data Layer successively receives the data packet of session layer transmission and its mating transmission sequence number, the every reception of data Layer one pass
It is added 1 in the incomming sequence number that data Layer is established by defeated sequence number, session layer；
36) session layer compares its incomming sequence number in application layer and data Layer；If they are the same, transmission success is indicated；If
Difference indicates data-bag lost, retransfers；
37) after session layer has sent all data packets, the outgoing sequence of an application layer, data Layer are sent to data Layer
After receiving sequence message, a data Layer outgoing sequence is replied to application layer, intercommunication terminates.
4. a kind of control method of financial business application data model systems according to claim 2, which is characterized in that institute
State session layer carry out incomming sequence number resetting the following steps are included:
41) session layer notifies application layer to send incomming resetting request and resetting request time to the server of data Layer；
42) application layer sends testrequest message to the server of data Layer by session layer；
43) after the server of data Layer receives testrequest message, heartbeat message is replied to application layer；
44) after application layer receives heartbeat message, confirmation connection is normal；
45) application layer issues testrequest message to session layer and data Layer, forces the company for stopping session layer and data Layer
It connects；
46) the incomming sequence number resetting that session layer sets it in application layer, and sent to the server of data Layer
Reset message, Reset message include sequence number resetting domain and the domain NextExceptedSeqNumb, the sequence in Reset message
Number resetting domain is set as Y, and sequence number is set to 1；
47) after data Layer receives Reset message, Logout message, the incomming sequence number resetting of data Layer are replied, and tie
The resetting of beam incomming sequence number；
48) application layer restores the connection of session layer and data Layer.
5. a kind of control method of financial business application data model systems according to claim 2, which is characterized in that institute
State the data processing of data Layer the following steps are included:
51) server of data Layer carries out analytical analysis to data packet, parses solicited message, broadcast message, order information, association
Discuss domain, information type definition and data dictionary；
52) server parses algorithm from order information and protocol domain according to parsing content, from information type definition and data
Numerical value is parsed in dictionary；
53) DP message is established, DP message format is < algorithm >=< numerical value >；
54) server transfers corresponding algorithm address in financial algorithms library, by its address of cache into DP message；
55) storage address of numerical value is mapped in DP message by server；
56) DP message is sent to calculate node by server, and calculate node introduces numerical value and corresponding algorithm is calculated；
57) calculate node returns the result to server, and server generates response message.
6. a kind of control method of financial business application data model systems according to claim 2, which is characterized in that institute
State the feedback of application layer demand the following steps are included:
61) server to response message carry out data encapsulation be packaged, reply data packet format be data label head, response message,
Data type, data length, data label tail }；
62) server extracts data type and data length, generates response domain message, and send out response domain message by session layer
It send to application layer；
63) application layer parses response domain message, and waits the reception of reply data packet；
64) reply data packet is sent to application layer by session layer by server；
65) application layer is parsed after receiving reply data packet, and whether analysis response message meets Acknowledge message content；If full
Foot shows that the transmission of reply data packet is complete；If not satisfied, showing reply data packet transmission deletion, transmitted again.
7. a kind of control method of financial business application data model systems according to claim 3, which is characterized in that institute
State the Logon stage of application layer the following steps are included:
71) application layer obtains the encryption key of client, and Logon message is transferred to the service of data Layer by application layer by session layer
Device；
72) server returns to a Logon message to application layer, includes all key informations in this Logon message；
73) application layer obtains the Logon message that server returns, and checks encryption key；If verification is correct, sent to server
Logon response message.
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