JP2018025859A - Service providing system and service providing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow control logic and data to expand a scale independently, and to allow them to easily cooperate with an existing system.SOLUTION: A logic processing system 10 includes: logic processing means 121 for executing logic for providing service; and data acquisition means for transmitting data items required for executing the logic to a data control system. A data control system 20 includes period-of-time processing means 222 for referring to definition data 211 to generate a period of time for acquiring data relating to the data items transmitted by the logic processing system 10 from a data holding system 30 and for transmitting the generated period of time to the data holding system. The data holding system 30 includes period-of-time response means 321 for acquiring data relating to the data items transmitted by the logic processing system 10 and transmitting the data to the data control system 20 according to the period of time transmitted from the data control system 20.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a service providing system and a service providing method for providing a service.

  With the development of information devices and communication networks in recent years, data that cannot be assumed at the beginning are handled, and the demand for data tends to diversify. For example, in a B2B2X type service, a request for expanding the service or adding a resource to be used may occur from the middle B to the left B after the service is started. In addition, in a service using IoT (Internet of Things), there is a case where a request to follow a new IoT device is generated as the IoT device is improved or newly developed.

  A three-layer architecture is known as a general method for layering applications. In the three-tier architecture, the application includes a presentation layer, a business logic layer, and a data layer. In a three-tier architecture, modules are developed and maintained independently at each level.

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  However, the conventional application has a problem that it is difficult to cope with service expansion.

  Generally, since control logic and data for providing a service are encapsulated, it is necessary to cope with an increase in requests and data in an encapsulated unit including control logic and data. is there. On the other hand, in a B2B2X type service or a service using IoT, it is preferable that the control logic and data can be scaled independently.

  Further, in the conventional technology in which the control logic and data for providing a service are encapsulated, there is a problem that cooperation with an existing system must be taken into account when expanding a new service.

  Accordingly, an object of the present invention is to provide a service providing system and a service providing method in which control logic and data can be independently scaled and can be easily linked with an existing system. .

  In order to solve the above problems, a first feature of the present invention is a service that provides a logic processing system, a data control system connected to the logic processing system, and a data holding system connected to the data control system. The provision system. The logic processing system according to the first aspect of the present invention transmits a logic processing means for executing a logic for providing a service and data items necessary for the execution of the logic to the data control system and acquires them from the data control system. A logic processing node including data acquisition means for inputting the processed data to the logic processing means. The data control system refers to the access method to the data holding system, the storage device that stores the definition data that associates the table identifier and schema of the table held by the data holding system, and the logic processing system refers to the definition data. Generates a query for acquiring data related to the data item from the data holding system, sends the generated query to the data holding system, and the logic for the data acquired from the data holding system. A data control node comprising data transmission means for transmitting to the processing system. The data holding system includes a storage device that stores table data that associates data necessary for logic execution and data items, and data that the logic processing system transmits from the storage device in accordance with an inquiry transmitted from the data control system. It includes a data holding node comprising query processing means for obtaining data relating to the item and transmitting it to the data control system.

  The number of logic processing nodes, data control nodes, and data holding nodes may be arbitrarily set according to the load on each of the logic processing system, the data control system, and the data holding system.

  The data holding system may include a plurality of data holding nodes, and the data holding nodes may hold the data necessary for executing the logic in cooperation with each other.

  With a new logic processing system that includes new logic processing nodes that execute new logic to provide services, data items required to execute new logic can be shared with data items required to execute logic In this case, the new logic processing node of the new logic processing system may transmit data items necessary for executing the new logic to the data control system.

  Each of the logic processing node, the data control node, and the data holding node may be a physical computer or a virtual computer.

  The present invention relates to a service providing method used in a service providing system that includes a logic processing system, a data control system connected to the logic processing system, and a data holding system connected to the data control system, and provides a service. In the service providing method according to the second aspect of the present invention, the logic processing system includes a logic processing node, the data control system includes a data control node, the data holding system includes a data holding node, and the logic processing node. Executing a logic for providing a service, a step in which a logic processing node transmits a data item necessary for executing the logic to the data control system, and a method in which the data control node accesses the data holding system. , By referring to the definition data that associates the table identifier and schema of the table held in the data holding system, generate a query for acquiring data related to the data item sent by the logic processing system from the data holding system, Send generated queries to data retention system And a step in which the data holding node acquires data related to the data item transmitted by the logic processing system according to the query transmitted from the data control system, and transmits the data to the data control system. Transmitting the data acquired from the holding system to the logic processing system, and the logic processing node including executing the logic with reference to the data acquired from the data control system.

  According to the present invention, it is possible to provide a service providing system and a service providing method in which the control logic and data can be independently scaled and can be easily linked with an existing system.

It is a system configuration figure explaining a service providing system concerning an embodiment of the invention. It is a figure explaining the hardware constitutions and functional block of a logic control node. It is a figure explaining the hardware constitutions and functional block of a data control node. It is a figure explaining an example of the data structure of definition data. It is a figure explaining the hardware constitutions and functional block of a data holding node. It is a sequence diagram explaining the service provision method which concerns on embodiment of this invention. It is a figure explaining the effect of the service provision system which concerns on embodiment of this invention.

  Next, embodiments of the present invention will be described with reference to the drawings. In the following description of the drawings, the same or similar parts are denoted by the same or similar reference numerals.

(Service provision system)
A service providing system 1 according to an embodiment of the present invention will be described with reference to FIG. The service providing system 1 includes (1) a first logic processing system 10a and a second logic processing system 10b, (2) a first data control system 20a and a second data control system 20b, and (3) a first data holding system. 30a and a second data holding system 30b. (1) The first logic processing system 10a and the second logic processing system 10b and (2) the first data control system 20a and the second data control system 20b are connected to be communicable with each other. (2) The first data control system 20a and the second data control system 20b and (3) the first data holding system 30a and the second data holding system 30b are connected to be communicable with each other.

  In the embodiment of the present invention, when the first logic processing system 10a and the second logic processing system 10b are not distinguished, the logic processing system 10 may be simply described. When the first data control system 20a and the second data control system 20b are not distinguished, they may be simply referred to as the data control system 20. When the first data holding system 30a and the second data holding system 30b are not distinguished from each other, they may be simply referred to as the data holding system 30.

  In the service providing system 1 according to the embodiment of the present invention, the logic processing system 10, the data control system 20, and the data holding system 30 cooperate to provide a service to a terminal (not shown).

  The first logic processing system 10a and the second logic processing system 10b execute different business logics to provide different services, and transmit data items of data necessary for providing the services to the data control system 20.

  The first data control system 20a and the second data control system 20b hold different definition data, and send an inquiry to the data holding system 30 to acquire data items received from the logic processing system 10. To do.

  The first data holding system 30 a and the second data holding system 30 b hold different data, and transmit data acquired in response to the query received from the data control system 20 to the data control system 20.

  Here, the logic processing system 10, the data control system 20, and the data holding system 30 each include an arbitrary number of logic processing nodes 100, data control nodes 200, and data holding nodes 300. The number of logic processing nodes 100, data control nodes 200, and data holding nodes 300 is arbitrarily set according to the load on each of the logic processing system 10, the data control system 20, and the data holding system 30.

  Here, when the first logic processing system 10a includes a plurality of logic processing nodes 100, the plurality of logic processing nodes 100 cooperate to execute the logic of the service provided by the first logic processing system 10a.

  In the embodiment of the present invention, a method in which each node cooperates in each of the logic processing system 10, the data control system 20, and the data holding system 30 is not limited. For example, each of the plurality of logic processing nodes 100 included in the first logic processing system 10a realizes only a specific function, and covers all the functions in the plurality of logic processing nodes 100 belonging to the first logic processing system 10a. May be controlled. As another method, each of the plurality of logic processing nodes 100 may be controlled so as to realize all the functions and distribute the load. In this case, one logic processing node 100 performs processing on other nodes. It may function as a reception for sorting.

  The logic processing node 100, the data control node 200, and the data holding node 300 included in each of the logic processing system 10, the data control system 20, and the data holding system 30 will be described as being virtual computers. May be. A physical computer is a computer including a memory, a CPU, and the like. On the other hand, a virtual computer is a computer that is operated by virtually emulating in a physical computer. It is also possible to emulate a plurality of virtual computers in one physical computer. The logic processing node 100, the data control node 200, and the data holding node 300 are units that increase or decrease as the scale of each system to which each node belongs is changed.

(Logic processing system)
With reference to FIG. 2, the logic processing node 100 included in the logic processing system 10 will be described.

  The logic processing node 100 includes a storage device 110, a processing device 120, and a communication control device 130. The storage device 110 stores a program for logic processing and intermediate processing data. The communication control device 130 is an interface for connecting to a terminal (not shown) that receives service provision or connecting to the data control system 20.

  The processing device 120 performs processing for realizing a predetermined function in the logic processing node 100. The processing device 120 includes a logic processing unit 121 and a data acquisition unit 122.

  The logic processing unit 121 executes logic for providing a service. The logic processing unit 121 executes the core business logic of the service provided by the service providing system 1. When acquiring data held by the data holding system 30, the logic processing unit 121 inputs data item information of data to be acquired to the data acquisition unit 122 and corresponds to the input data item from the data acquisition unit 122. Get the data to execute and execute the logic.

  The data acquisition unit 122 transmits data items necessary for execution of logic to the data control system 20, and inputs the data acquired from the data control system 20 to the logic processing unit 121.

(Data control system)
A data control node 200 included in the data control system 20 will be described with reference to FIG.

  The data control node 200 includes a storage device 210, a processing device 220, and a communication control device 230. The storage device 210 stores a program for data control and intermediate processing data, and also stores definition data 211 shown in FIG. The communication control device 230 is an interface for connecting to the logic processing system 10 or connecting to the data holding system 30.

  The definition data 211 is data that associates an access method to the data holding system 30, a table identifier of a table held by the data holding system 30, and a schema. When there are a plurality of data holding systems 30, the definition data 211 holds a schema and an access method for each data holding system 30 in association with each other. Here, the schema is information related to the structure of the data table held by the data holding system 30, such as the table name and item name. The access method is information related to a rule for acquiring data of a predetermined data item from the data holding system 30 with respect to a database system, a data format, etc. adopted by the data holding system 30. When the data holding system 30 employs a relational database management system employing SQL, the access method is set to “SQL”. As an access method, not only SQL suitable for a relational database management system but also a language suitable for another database structure may be designated, or a structure document such as CSV or XML may be used.

  The definition data 211 has a data structure shown in FIG. 4, for example. The definition data 211 shown in FIG. 4 holds the identifier of a table included in this data system and the item name in this table in association with the data system identifier as a key. Further, the definition data 211 associates location information such as URI and IP address of this data system with an access method such as SQL, using the data system identifier as a key.

  When the data holding system 30 includes a plurality of data holding nodes 300, the definition data 211 does not need to be associated with the data holding node and the schema, and does not need to grasp the internal mechanism of the data holding node 300. .

  The processing device 220 performs processing for realizing a predetermined function in the data control node 200. The processing device 220 includes an item receiving unit 221, an inquiry processing unit 222, and a data transmission unit 223.

  The item receiving unit 221 acquires the data item transmitted by the logic processing node from the logic processing system 10 and inputs the acquired data item to the inquiry processing unit 222.

  The inquiry processing unit 222 refers to the definition data 211 and generates an inquiry for acquiring data related to the data item transmitted by the logic processing system 10 from the data holding system 30. Further, the inquiry processing unit 222 transmits the generated inquiry to the data holding system 30.

  The inquiry processing unit 222 refers to the definition data 211 to specify a table in which the data item acquired from the logic processing node 100 is stored, and the location information and access of the data holding system 30 that holds the specified table Get the way. Further, the inquiry processing unit 222 generates inquiry data for acquiring data of the data item acquired from the logic processing node 100 in accordance with the acquired access method. The inquiry processing means 222 transmits the generated inquiry data to the data holding system 30 that holds the specified table according to the acquired position information.

  When the item receiving unit 221 acquires a data item from the logic processing system 10, the data transmission unit 223 transmits the data acquired from the data holding system 30 to the logic processing system 10.

(Data retention system)
With reference to FIG. 5, the data holding node 300 provided in the data holding system 30 will be described.

  The data holding node 300 includes a storage device 310, a processing device 320, and a communication control device 330. The storage device 310 stores a program for holding data and intermediate processing data, and stores first table data 311, second table data 312, and the like as data necessary for service provision. The communication control device 330 is an interface for connecting to the data control system 20.

  The first table data 311 and the second table data 312 are data associating data necessary for execution of logic and data items. In the embodiment of the present invention, the first table data 311 and the second table data 312 associate the table structure with a format corresponding to the relational database management system with the data. The storage device 310 may store data based on a database structure other than the table data of the relational database management system, or may store data in a structured document format such as CSV or XML.

  In addition, when the predetermined data holding system 30 includes a plurality of data holding nodes 300, the plurality of data holding nodes 300 cooperate to hold data necessary for execution of logic. Specifically, the data necessary for executing the logic is distributed and stored in each of the plurality of data holding nodes 300. The data holding system 30 knows which data is stored in which node, and can respond to an inquiry from the data control system 20 by acquiring predetermined data from a predetermined node. It is.

  The processing device 320 includes inquiry response means 321.

  In response to the inquiry transmitted from the data control system 20, the inquiry response unit 321 acquires data related to the data item transmitted by the logic processing system 10 from the storage device 310 and transmits the data to the data control system 20. When the inquiry response means 321 receives, for example, an SQL inquiry from the data control system 20, the inquiry response means 321 acquires data from the first table data 311 and the second table data 312 according to the received SQL. Further, the inquiry response means 321 transmits the acquired data to the data control system 20.

(Service provision method)
With reference to FIG. 6, the service provision method by the service provision system 1 which concerns on embodiment of this invention is demonstrated.

  First, in step S <b> 1, the logic processing system 10 transmits data items necessary for execution of logic to the data control system 20. The data items to be transmitted here are “user ID”, “contract status”, and “service status”.

  When the data control system 20 receives an item from the logic processing system 10, it refers to the definition data 211 and specifies a method for inquiring the item. Here, in the definition data 211, “user ID” and “contract status” are stored in the first table of the first data holding system 30a (first data section), and “service status” is stored in the second table. Holds information indicating that The definition data holds the IP address of the first data holding system 30a (first data portion) and information indicating that it can be accessed by SQL.

  In step S3, the data control system 20 transmits an inquiry for acquiring data of the data item to the data holding system 30 based on the inquiry specified in step S2. Here, the SQL for acquiring the “user ID” and “contract status” from the first table and the “service status” from the second table is transmitted to the IP address of the first data holding system 30a.

  In step S4, the data holding system 30 acquires data based on the SQL transmitted from the data control system 20, and transmits the acquired data to the data control system 20 in step S5. In step S <b> 6, the data control system 20 transmits the data acquired from the data holding system 30 to the logic processing system 10.

(Application example)
An application example of the service providing system 1 according to the embodiment of the present invention will be described.

  For example, consider a case where a new logic processing system that executes a new logic for providing a service is added to the service providing system 1 shown in FIG. The new logic processing system includes a new logic processing node.

  Here, when the data item necessary for execution of the new logic can be shared with the data item required for execution of the logic of the existing first logic processing system 10a, the new logic processing system 10 will It is also possible to acquire data relating to data items using the data control system 20a. At this time, the new logic processing node of the new logic processing system transmits data items necessary for execution of the new logic to the data control system.

  According to such a service providing system 1, it is possible to add new logic while cooperating with an existing system and an existing application. Therefore, it is possible to suppress development costs and easily adapt to service expansion.

(effect)
With reference to FIG. 7, the effect of the service provision system 1 which concerns on embodiment of this invention is demonstrated.

  The service providing system 1 realizes separation of the control logic and data, and further separates the function of accessing data from the control logic, so that the system layers of the logic processing system 10, the data control system 20, and the data holding system 30 are separated. Form. As a result, the number of nodes can be appropriately set according to the load in each system, so that it is possible to provide an architecture for application development with excellent scalability.

  In the logic processing system 10, it is possible to assemble business logic without considering the structure of the data part and the like, so that development can be easily performed. Furthermore, it becomes easy to cope with expansion of functions and support for new devices.

  Further, the data control system 20 specializes in relaying between the data holding system 30 and the logic processing system 10. The data control system 20 can receive data items from a plurality of logic processing systems 10 and transmit an inquiry to a predetermined data holding system 30, so that the processing efficiency can be expected.

  Furthermore, when the data control system 20 relays between the data holding system 30 and the logic processing system 10, the data holding system 30 is concealed when viewed from the logic processing system 10. Therefore, even if a change occurs in the table structure, the access method, etc. in the data holding system 30, the business logic of the logic processing system 10 is not affected, so that stable system operation is possible, function expansion or new It becomes easy to support devices.

  Further, according to the service providing system 1, the logic processing system 10 that executes different logic shares one data control system 20, or one data control system 20 uses a plurality of data holding systems 30. So that the functionality in extending new services is improved.

(Other embodiments)
As described above, the embodiments of the present invention have been described. However, it should not be understood that the descriptions and drawings constituting a part of this disclosure limit the present invention. From this disclosure, various alternative embodiments, examples, and operational techniques will be apparent to those skilled in the art.

  It goes without saying that the present invention includes various embodiments not described herein. Therefore, the technical scope of the present invention is defined only by the invention specifying matters according to the scope of claims reasonable from the above description.

DESCRIPTION OF SYMBOLS 1 Service provision system 10 Logic processing system 20 Data control system 30 Data holding system 20 Data control system 100 Logic processing node 110, 210, 310 Storage device 120, 220, 320 Processing device 121 Logic processing means 122 Data acquisition means 130, 230, 330 Communication Control Device 200 Data Control Node 211 Definition Data 221 Item Accepting Unit 222 Query Processing Unit 223 Data Transmitting Unit 300 Data Holding Node 311 First Table Data 312 Second Table Data

Claims (6)

A service providing system for providing a service, comprising a logic processing system, a data control system connected to the logic processing system, and a data holding system connected to the data control system,
The logic processing system includes:
Logic processing means for executing logic for providing a service;
Including a logic processing node that includes data acquisition means for transmitting data items necessary for execution of the logic to the data control system and inputting data acquired from the data control system to the logic processing means;
The data control system includes:
A storage device for storing an access method to the data holding system, a table identifier of a table held in the data holding system, and definition data that associates a schema;
Referring to the definition data, generate a query for acquiring data related to the data item transmitted by the logic processing system from the data holding system, and send the generated query to the data holding system. Inquiry processing means to
A data control node comprising data transmission means for transmitting data acquired from the data holding system to the logic processing system;
The data holding system includes:
A storage device for storing data necessary for execution of the logic and table data for associating the data items;
In accordance with the inquiry transmitted from the data control system, a data holding node comprising inquiry processing means for acquiring data related to the data item transmitted by the logic processing system from the storage device and transmitting the data to the data control system. Service providing system characterized by including. The number of the logic processing node, the data control node, and the data holding node is arbitrarily set according to a load in each of the logic processing system, the data control system, and the data holding system. The service providing system according to claim 1. The data holding system includes a plurality of data holding nodes,
The service providing system according to claim 1, wherein the plurality of data holding nodes hold data necessary for execution of the logic in cooperation with each other. A new logic processing system including a new logic processing node for executing a new logic for providing the service;
When a data item necessary for execution of the new logic can be shared with a data item required for execution of the logic,
The new logic processing node of the new logic processing system is:
The service providing system according to claim 1, wherein a data item necessary for execution of the new logic is transmitted to the data control system. The service providing system according to claim 1, wherein each of the logic processing node, the data control node, and the data holding node is a physical computer or a virtual computer. A service providing method used in a service providing system for providing a service, comprising a logic processing system, a data control system connected to the logic processing system, and a data holding system connected to the data control system,
The logic processing system includes a logic processing node,
The data control system includes a data control node,
The data holding system includes a data holding node,
The logic processing node executing logic to provide a service;
The logic processing node transmitting data items necessary for execution of the logic to the data control system;
The data control node refers to the access method to the data holding system, the definition data associating the table identifier and schema of the table held in the data holding system, and the data related to the data item transmitted by the logic processing system. Generating a query for acquisition from the data retention system and sending the generated query to the data retention system;
The data holding node according to the inquiry transmitted from the data control system, obtaining data relating to the data item transmitted by the logic processing system and transmitting the data to the data control system;
The data control node transmitting the data acquired from the data holding system to the logic processing system;
The logic processing node includes a step of executing the logic with reference to data acquired from the data control system.

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