CN108170407A - A kind of method and device for obtaining target data - Google Patents

Abstract

The invention discloses a kind of method and devices for obtaining target data, firstly the need of it is confirmed that calling whether the data received after point of penetration processing function are target data during target data is obtained, rather than it goes to judge whether to need to apply for user credential first, the quantity for determining whether to apply user credential added in each interface can be effectively reduced, solves the problems, such as a large amount of code redundancies；Simultaneously as the module design of section, if no longer needing to apply for user credential in business, directly it can be removed from code in a manner of component, other block codes will not be changed so that being more clear of module realizes the high cohesion lower coupling of module.

Description

A method and device for acquiring target data

technical field

The invention relates to the field of data services, in particular to a method and device for acquiring target data.

Background technique

With the rapid development of Internet applications such as business query and network payment, the number of Internet users has grown rapidly, and Internet technology has also developed rapidly; among them, Representational State Transfer (REST) technology is due to the priority of module The characteristics of distribution and scalability have a wide range of applications in the Internet field.

However, in the existing technology, for the REST service implemented by the software Jersey framework, it often lacks good module maintenance and good modularization, resulting in a lot of code redundancy; taking balance query as an example, after receiving the client After sending the query request, you need to obtain the user credentials first, and then add a lot of judgments on whether to obtain the user credentials at each interface, resulting in a lot of redundancy in the code.

At present, in addition to the REST technology, the existing known technologies in the Internet field also include: Inversion of Control (IoC) container technology, aspect-oriented programming (Aspect Oriented Programming, AOP) technology, database technology, etc.; among them, IoC Container technology is a container with inversion of control and dependency injection function, which is responsible for instantiating objects in the application and establishing dependencies between these objects. IoC is an important object-oriented programming law to reduce the coupling of computer programs. , is also the core of the lightweight software Spring framework; AOP technology is a technology that realizes unified maintenance of program functions through pre-compilation and runtime dynamic proxy. It is a continuation of Object Oriented Programming (OOP) and is An important content in the Spring framework is a derivative paradigm of functional programming. AOP technology can be used to isolate various parts of the business logic, thereby reducing the coupling degree between the various parts of the business logic and improving the reusability of the program. performance while improving development efficiency.

Based on this, how to use the existing known technology to solve the problem of a large number of code redundancy when acquiring target data, clarify the module, and realize the high cohesion and low coupling of the module is a technical problem to be solved urgently by those skilled in the art.

Contents of the invention

The embodiment of the present invention provides a method and device for obtaining target data, which is used to solve the problem of a large number of redundant codes when obtaining target data by using existing known technologies, clarify modules, and realize high cohesion of modules low coupling.

An embodiment of the present invention provides a method for acquiring target data, including:

Receive the target data acquisition request sent by the client;

Calling the pointcut processing function corresponding to the target data in the preset surrounding advice;

determining whether the data received after invoking the pointcut processing function complies with a preset rule matching the target data;

When it is determined that the data received after calling the pointcut processing function conforms to the preset rule matching the target data, determine that the received data is target data, and feed back the target data to the client .

In a possible implementation manner, in the above-mentioned method for acquiring target data provided by the embodiment of the present invention, the determination of whether the data received after calling the entry point processing function conforms to the preset match with the target data rules, including:

It is determined whether the label of the data received after calling the pointcut processing function is consistent with the preset target data label.

In a possible implementation manner, in the above-mentioned method for acquiring target data provided by the embodiment of the present invention, after it is determined that the entry point processing function is called, the received data does not conform to the preset Rules also include:

Apply for user credentials from the remote server;

When it is determined that the user credential has been applied for, the entry point processing function is called again according to the user credential to acquire target data.

In a possible implementation manner, in the above-mentioned method for obtaining target data provided by the embodiment of the present invention, before receiving the request for obtaining target data sent by the client, further includes:

Separately configure the software framework Jersey of inversion of control IoC container, aspect-oriented programming AOP, and representational state transfer REST style architecture;

According to the characteristics of the REST of Jersey, determine the function used to obtain the data;

According to the determined function for obtaining data, it is determined that each entry point that needs to apply for user credentials and surrounding notifications are included in the cut plane.

In a possible implementation manner, the above-mentioned method for acquiring target data provided in the embodiment of the present invention further includes:

When the service determines that it is no longer necessary to apply for user credentials, the corresponding aspect is removed in the IoC container.

The embodiment of the present invention also provides a device for acquiring target data, including:

The receiving module is used to receive the request for obtaining target data sent by the client;

A calling module, used to call the entry point processing function corresponding to the target data in the preset surround notification;

A determining module, configured to determine whether the data received after calling the entry point processing function conforms to the preset rule matching the target data; after determining that the data received after calling the entry point processing function meets the preset When a rule matches the target data, determine that the received data is target data, and feed back the target data to the client.

In a possible implementation manner, in the above-mentioned device for acquiring target data provided by the embodiment of the present invention, the determination module is specifically configured to determine whether the label of the data received after calling the entry point processing function is consistent with the predetermined The labeling of the target data set is the same.

In a possible implementation manner, the above-mentioned device for acquiring target data provided in the embodiment of the present invention further includes:

The application module is used to apply for user credentials from the remote server;

The acquiring module is configured to call the entry point processing function again according to the user credential to acquire target data when it is determined that the user credential is applied for.

In a possible implementation manner, the above-mentioned device for acquiring target data provided in the embodiment of the present invention further includes:

The preprocessing module is used to respectively configure the software framework Jersey of the inversion of control IoC container, the aspect-oriented programming AOP, and the REST style architecture; according to the characteristics of the REST of the Jersey, determine the function used to obtain the data; determine according to the described The function used to obtain data, and determine that the aspect contains each entry point and surrounding notification that need to apply for user credentials.

In a possible implementation manner, the above-mentioned device for acquiring target data provided in the embodiment of the present invention further includes:

The removal module is used to remove the corresponding aspect in the IoC container when the service determines that it is no longer necessary to apply for the user certificate.

The beneficial effects of the present invention are as follows:

A method and device for acquiring target data provided by the embodiments of the present invention, after receiving the request for acquiring target data sent by the client, enters the surrounding notification of the corresponding aspect, and processes the data by calling the entry point corresponding to the target data in the surrounding notification Function to determine whether the data received after calling the pointcut processing function conforms to the preset rules matching the target data; when it is determined to match, it can be determined that the received data is the target data, and the target data is fed back to the client; therefore , in the process of obtaining the target data, the first thing to determine is whether the data received after calling the entry point processing function is the target data, instead of first judging whether to apply for user credentials, which can effectively reduce the determination of adding at each interface Whether or not to apply for the number of user credentials solves the problem of a large number of code redundancy; at the same time, due to the aspect-based module design, if the business no longer needs to apply for user credentials, it can be directly removed from the code in the form of components. The code of other modules will be modified to make the module clearer and achieve high cohesion and low coupling of the module.

Description of drawings

FIG. 1 is one of the flowcharts of a method for acquiring target data provided in an embodiment of the present invention;

FIG. 2 is the second flowchart of a method for acquiring target data provided in an embodiment of the present invention;

FIG. 3 is the third flowchart of a method for acquiring target data provided in an embodiment of the present invention;

FIG. 4 is a schematic flowchart of Embodiment 1 provided in the embodiments of the present invention;

FIG. 5 is a schematic structural diagram of an apparatus for acquiring target data provided in an embodiment of the present invention.

Detailed ways

The specific implementation manners of a method and device for acquiring target data provided by the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The embodiment of the present invention provides a method for acquiring target data, as shown in FIG. 1 , which may specifically include the following steps:

S101. Receive the target data acquisition request sent by the client;

S102. Invoking a pre-set entry point processing function corresponding to the target data in the surround notification;

S103. Determine whether the data received after calling the entry point processing function conforms to the preset rule matching the target data; if so, execute step S104;

S104. Determine that the received data is target data;

S105. Feedback the target data to the client.

In the above-mentioned method for obtaining target data provided by the embodiments of the present invention, in the process of obtaining target data, the first thing to determine is whether the data received after calling the entry point processing function is the target data, rather than first judging whether it is necessary to apply for a user certificate , which can effectively reduce the number of user certificates added at each interface to determine whether to apply for user certificates, and solve the problem of a large number of code redundancy; at the same time, due to the aspect-based module design, if there is no need to apply for user certificates in business, you can use components It is directly removed from the code without modifying other module codes, which makes the module clearer and realizes high cohesion and low coupling of the module.

In actual implementation, in order to complete the presetting of the surrounding notification, in step S101 of the method for acquiring target data provided by the embodiment of the present invention, before receiving the request for acquiring target data sent by the client, as shown in FIG. 2 , can include the following steps:

S201, respectively configuring the IoC container for inversion of control, the aspect-oriented programming AOP, and the software framework Jersey of the REST style architecture;

S202. According to the characteristics of REST of Jersey, determine a function for obtaining data;

S203. According to the determined function for obtaining data, determine that each entry point and surrounding notification that need to apply for a user credential are included in the aspect.

Specifically, in order to be able to obtain data, in step S202 of the method for obtaining target data provided by the embodiment of the present invention, in the actual processing process, the function can be written according to the characteristics of Jersey's REST and according to certain rules , used to get the data stored in the remote.

Specifically, in order to be able to obtain user credentials by using surrounding notifications, in step S203 of the method for obtaining target data provided by the embodiment of the present invention, it is necessary to determine each entry point in the cut plane. Of course, the entry point here includes the user who needs to apply for Credential entry points also include entry points that do not need to apply for user credentials. These entry points need to be configured when determining the aspect; in addition, in addition to determining each entry point in the aspect, it is also necessary to determine the entry points that need to apply for user credentials. Surround notification for requesting user credentials.

Among them, take @Around("execution(*cmcc.hq.cmri.bgdt.service.QAService.get*(..))") as an example, @Around means surround notification, "execution(*cmcc.hq.cmri. bgdt.service.QAService.get*(..))" indicates an entry point, which is also a function for obtaining data determined in step S202.

Specifically, in step S101 of the above-mentioned method for obtaining target data provided by the embodiment of the present invention, after receiving the request for obtaining target data sent by the client, it is possible to enter the surrounding notification of the corresponding aspect to perform the next operation.

Specifically, in step S102 of the method for acquiring target data provided by the embodiment of the present invention, calling the entry point processing function corresponding to the target data in the preset surround notification may specifically include:

First, trigger the pointcut corresponding to the target data;

Second, call surround notification;

After that, enter the surrounding advice and call the pointcut processing function corresponding to the target data.

Specifically, in order to be able to determine whether the received data matches the target data, in step S103 of the method for acquiring target data provided by the embodiment of the present invention, it is determined whether the received data conforms to the preset The rules matching the target data can specifically include:

It is determined whether the mark of the data received after calling the pointcut processing function is consistent with the mark of the preset target data.

Of course, the marks of the received data and the marks of the target data are pre-set. According to the comparison of the marks, it is determined whether the received data conforms to the preset rule of matching the target data, that is, it is determined whether the received data is Target data; wherein, the mark can be any form such as numbers and characters that can be used for marking, which is not limited here.

In specific implementation, in step S103 of the method for acquiring target data provided by the embodiment of the present invention, after it is determined that the data received after calling the entry point processing function does not conform to the preset rule matching the target data, as shown in the figure 3, may also include:

S106. Apply for a user certificate from the remote server;

S107. When it is determined that the user credential has been applied for, the entry point processing function is called again according to the user credential to obtain the target data.

In actual implementation, after applying for a certificate from the user, it is possible to apply for the user certificate, of course, it is also possible not to apply for the user certificate. When it is confirmed that the user certificate is applied, the entry point processing function is called again according to the user certificate to obtain the target data; An exception is thrown from within the surrounding notification when it is determined that no user credentials have been requested.

During specific implementation, in the above-mentioned method for acquiring target data provided by the embodiments of the present invention, it may also include:

When the business determines that it is no longer necessary to apply for user credentials, remove the corresponding aspect in the IoC container.

Specifically, according to the result of negotiation with the remote server, for the request sent by the client to obtain the target data, sometimes the target data can be obtained and sent to the client without applying for user credentials, that is, there is no need to call the aspect surround notification logic , at this time, the preset aspect for applying for user credentials can be canceled through the IoC container, and this aspect is not executed; of course, when it is necessary to apply for user credentials, the aspect needs to be called to surround the notification logic, and the IoC container can also be used to The pre-set aspects used to apply for user credentials are re-annotated; therefore, through the IoC container, the cancellation and annotation of the aspects can be realized, so as to get rid of intrusive programming, avoid the impact on other codes, and facilitate assembly and disassembly. It is beneficial to realize high cohesion and low coupling of modules.

Of course, the above-mentioned method for obtaining target data provided by the embodiment of the present invention can not only be applied to query services such as balance query and points query, but also can be applied to other services that require user certificate application and condition query. Not limited.

In addition, in the actual business processing process, the specific system for obtaining target data may specifically include: business logic unit, aspect unit, and framework unit; among them, the business logic unit is used to construct the business logic for obtaining target data; the aspect unit , used to write each entry point and surrounding notification in the aspect logic; the frame unit is used to construct the framework of the system for obtaining the target data; Whether to apply for user certificates greatly reduces the number of judgments at each interface whether to apply for user certificates, and achieves high cohesion of the system.

The above-mentioned method for acquiring target data provided by the embodiments of the present invention will be described in detail below through specific embodiments.

Embodiment one:

Taking the "check balance" request sent by the client as an example, in the process of obtaining the check balance data, when it is determined that the aspect surround notification needs to be invoked, as shown in Figure 4, the following steps may be included:

S401. Receive a balance inquiry request sent by the client;

S402, triggering an entry point corresponding to query balance data;

S403. Invoke surround notification;

S404. Call the entry point processing function corresponding to the query balance data in the surround notification;

S405. Determine whether the mark of the data received after calling the entry point processing function is consistent with the mark of the preset query balance data; if they are consistent, execute step S406; if not, execute step S407;

S406. Determine that the received data is balance query data, and feed back the balance query data to the client, and end the process;

S407. It is determined that the acquisition of query balance data fails;

S408. Apply for a user certificate from the remote server;

S409. Determine whether the user certificate has been applied; if not, execute step S410; if apply, execute step S411;

S410. Throw an exception from inside the surround notification, and end the process;

S411. Call the entry point processing function again according to the user credentials to obtain the target data;

S412. Feed back the acquired target data to the client.

Based on the same inventive concept, the embodiment of the present invention also provides a device for obtaining target data. Since the problem-solving principle of the device is similar to the aforementioned method for obtaining target data, the implementation of the device can refer to the implementation of the method, repeat The place will not be repeated.

Specifically, an embodiment of the present invention provides an apparatus for acquiring target data, as shown in FIG. 5 , which may specifically include the following modules:

A receiving module 501, configured to receive a request for acquiring target data sent by a client;

The calling module 502 is used to call the entry point processing function corresponding to the target data in the preset surround notification;

The determining module 503 is used to determine whether the data received after calling the entry point processing function conforms to the preset rule matching the target data; after determining that the data received after calling the entry point processing function conforms to the preset When specifying the rules, determine that the received data is the target data, and feed back the target data to the client.

During specific implementation, in the above-mentioned device for obtaining target data provided by the embodiment of the present invention, the determination module 503 is specifically used to determine whether the mark of the data received after calling the entry point processing function is consistent with the mark of the preset target data .

During specific implementation, in the above-mentioned device for acquiring target data provided in the embodiment of the present invention, as shown in FIG. 5 , it may also include:

An application module 504, configured to apply for a user certificate to the remote server;

The acquiring module 505 is configured to call the entry point processing function again to acquire the target data according to the user credentials when it is determined that the user credentials are applied for.

During specific implementation, in the above-mentioned device for acquiring target data provided in the embodiment of the present invention, as shown in FIG. 5 , it may also include:

The preprocessing module 506 is used to respectively configure the control inversion IoC container, the aspect-oriented programming AOP, and the software framework Jersey of the REST style architecture; according to the characteristics of Jersey's REST, determine the function used to obtain data; The function of obtaining data, and confirming that the aspect contains each entry point and surrounding notification that need to apply for user credentials.

During specific implementation, in the above-mentioned device for acquiring target data provided in the embodiment of the present invention, as shown in FIG. 5 , it may also include:

The removal module 507 is configured to remove the corresponding aspect in the IoC container when the service determines that it is no longer necessary to apply for user credentials.

Those skilled in the art should understand that the embodiments of the present application may be provided as methods, systems, or computer program products. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) having computer-usable program code embodied therein.

The present application is described with reference to flowcharts and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the present application. It should be understood that each procedure and/or block in the flowchart and/or block diagram, and a combination of procedures and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions may be provided to a general purpose computer, special purpose computer, embedded processor, or processor of other programmable data processing equipment to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing equipment produce a An apparatus for realizing the functions specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions The device realizes the function specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, thereby The instructions provide steps for implementing the functions specified in the flow chart or blocks of the flowchart and/or the block or blocks of the block diagrams.

While preferred embodiments of the invention have been described, additional changes and modifications to these embodiments can be made by those skilled in the art once the basic inventive concept is appreciated. Therefore, it is intended that the appended claims be construed to cover the preferred embodiment as well as all changes and modifications which fall within the scope of the invention.

The embodiment of the present invention provides a method and device for obtaining target data. After receiving the request for obtaining target data sent by the client, it enters the surrounding notification of the corresponding aspect, and processes the data by calling the entry point corresponding to the target data in the surrounding notification Function to determine whether the data received after calling the pointcut processing function conforms to the preset rules matching the target data; when it is determined to match, it can be determined that the received data is the target data, and the target data is fed back to the client; therefore , in the process of obtaining the target data, the first thing to determine is whether the data received after calling the entry point processing function is the target data, instead of first judging whether to apply for user credentials, which can effectively reduce the determination of adding at each interface Whether or not to apply for the number of user credentials solves the problem of a large number of code redundancy; at the same time, due to the aspect-based module design, if the business no longer needs to apply for user credentials, it can be directly removed from the code in the form of components. The code of other modules will be modified to make the module clearer and achieve high cohesion and low coupling of the module.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (10)

1. A method for obtaining target data, comprising: Receive the target data acquisition request sent by the client; Calling the pointcut processing function corresponding to the target data in the preset surrounding advice; determining whether the data received after invoking the pointcut processing function complies with a preset rule matching the target data; When it is determined that the data received after calling the pointcut processing function conforms to the preset rule matching the target data, determine that the received data is target data, and feed back the target data to the client . 2. The method according to claim 1, wherein the determining whether the data received after calling the entry point processing function conforms to a preset rule matching the target data specifically comprises: It is determined whether the label of the data received after calling the pointcut processing function is consistent with the preset target data label. 3. The method according to claim 1 or 2, wherein when it is determined that the data received after calling the pointcut processing function does not conform to the preset rule matching the target data, further comprising: Apply for user credentials from the remote server; When it is determined that the user credential has been applied for, the entry point processing function is called again according to the user credential to acquire target data. 4. The method according to claim 1 or 2, wherein, before receiving the request for obtaining target data sent by the client, further comprising: Separately configure the software framework Jersey of inversion of control IoC container, aspect-oriented programming AOP, and representational state transfer REST style architecture; According to the characteristics of the REST of Jersey, determine the function used to obtain the data; According to the determined function for obtaining data, it is determined that each entry point that needs to apply for user credentials and surrounding notifications are included in the cut plane. 5. The method of claim 4, further comprising: When the service determines that it is no longer necessary to apply for user credentials, the corresponding aspect is removed in the IoC container. 6. A device for acquiring target data, comprising: The receiving module is used to receive the request for obtaining target data sent by the client; A calling module, used to call the entry point processing function corresponding to the target data in the preset surround notification; A determining module, configured to determine whether the data received after calling the entry point processing function conforms to the preset rule matching the target data; after determining that the data received after calling the entry point processing function meets the preset When a rule matches the target data, determine that the received data is target data, and feed back the target data to the client. 7 . The device according to claim 6 , wherein the determination module is specifically configured to determine whether the label of the data received after calling the entry point processing function is consistent with the preset target data label. 8. The device according to claim 6 or 7, further comprising: The application module is used to apply for user credentials from the remote server; The obtaining module is configured to call the entry point processing function again according to the user certificate to obtain the target data when it is determined that the user certificate is applied for. 9. The device according to claim 6 or 7, further comprising: The preprocessing module is used to respectively configure the software framework Jersey of the inversion of control IoC container, the aspect-oriented programming AOP, and the REST style architecture; according to the characteristics of the REST of the Jersey, determine the function used to obtain the data; determine the The function used to obtain data, and determine that the aspect contains each entry point and surrounding notification that need to apply for user credentials. 10. The apparatus of claim 9, further comprising: The removal module is used to remove the corresponding aspect in the IoC container when the service determines that it is no longer necessary to apply for the user certificate.