CN112445458A - Method and device for calculating demand value of non-functional quantization index item of system - Google Patents
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Abstract
The invention provides a method and a device for calculating a demand value of a non-functional quantization index item of a system, which are used for determining a target non-functional index of a newly-built application system and a target non-functional quantization index item corresponding to the target non-functional index; acquiring preset target non-functional demand factors corresponding to the target non-functional indexes and factor values of the target non-functional demand factors; selecting the similar application system from the reference application systems prestored in the database according to the target non-functional index, the target non-functional demand factor and the factor value of the target non-functional demand factor; acquiring a target non-functional demand baseline of the similar application system according to the target non-functional index and the target non-functional quantization index item; and calculating the required value of the target non-functional quantization index item of the newly-built application system based on the actual value and the required value of the target non-functional quantization index item in each target non-functional demand baseline. The invention improves the efficiency and the accuracy of the demand value of the non-functional quantization index item of the computing system.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a method and a device for calculating a demand value of an nonfunctional quantization index item of a system.
Background
The bank system is used as a software product, and functional requirements and non-functional requirements are two major attributes which the bank system must have, wherein the functional requirements define the functions which the bank system can realize from the business perspective, the non-functional requirements are characteristics except the functional requirements which are required for meeting the business requirements of users, and the characteristics can represent the internal characteristics of the bank system, such as performance efficiency, reliability, maintainability, portability, compatibility and the like.
At present, when a bank system is subjected to demand analysis, functional demands are often clear and pay attention, and non-functional demands are used as requirements reflecting software quality and characteristics besides the functional demands, and although the requirements are also necessary, the requirements are often ignored or weakened. At present, the non-functional requirements of the bank system are mainly determined by a technician performing non-functional requirement analysis on the bank system according to self experience to determine the required value of each non-functional quantified index item under the non-functional index corresponding to each non-functional requirement, but the analysis of the non-functional requirements of the bank system by the technician has low efficiency and uneven analysis level of the technician, so that the required value of the obtained non-functional quantified index item is inaccurate.
Disclosure of Invention
In view of the above, the present invention provides a method and an apparatus for calculating a required value of an nonfunctional quantization index item of a system, so as to improve efficiency and accuracy of calculating the required value of the nonfunctional quantization index item of the system.
The invention discloses a method for calculating a demand value of an nonfunctional quantization index item of a system, which comprises the following steps:
determining a target non-functional index of a newly-built application system and a target non-functional quantization index item corresponding to the target non-functional index;
acquiring preset target non-functional demand factors corresponding to the target non-functional indexes and factor values of the target non-functional demand factors;
selecting at least one similar application system from reference application systems prestored in a database according to the target non-functional index, each target non-functional demand factor and the factor value of each target non-functional demand factor;
acquiring a target non-functional requirement baseline of the similar application system from non-functional requirement baselines of the reference application systems stored in the database in advance according to the target non-functional indexes and the target non-functional quantization index items, wherein the non-functional requirement baseline at least comprises a reference application system name, non-functional indexes, non-functional quantization index items, and actual values and required values of the non-functional quantization index items;
and calculating the required value of the target non-functional quantization index item of the newly-built application system based on the actual value and the required value of the target non-functional quantization index item in each target non-functional demand baseline.
Optionally, the selecting at least one similar application system from the pre-stored reference application systems in the database according to the target non-functional index, each target non-functional requirement factor, and the factor value of each target non-functional requirement factor includes:
acquiring similar non-functional demand factor baselines which are the same as the target non-functional indexes, the non-functional demand factors and the non-functional demand factors from non-functional demand factor baselines of all reference application systems prestored in a database, wherein the non-functional demand factor baselines comprise the names of the reference application systems, the non-functional indexes, the non-functional demand factors corresponding to the non-functional indexes and the factor values of the non-functional demand factors;
and determining the reference application system corresponding to the name of the reference application system in the same type of non-functional requirement factor baseline as the same type of application system.
Optionally, the calculating the required value of the target non-functional metric item of the newly-built application system based on the actual value and the required value of the target non-functional quantization metric item in each target non-functional requirement baseline includes:
calculating the average value of the actual values of the target non-functional quantization index items of the similar application systems;
calculating the standard deviation of the target non-functional quantization index item of the newly-built application system according to the actual value and the required value of the target non-functional quantization index item in each target non-functional demand baseline;
and adding the average value and the standard deviation of the target non-functional quantization index item of the newly-built application system to obtain the required value of the target non-functional quantization index item of the newly-built application system.
Optionally, the method further includes:
acquiring a system name of the newly-built application system;
generating a non-functional demand factor baseline of the newly-built application system according to the system name of the newly-built application system, the target non-functional indexes, the target non-functional demand factors corresponding to the target non-functional indexes and the factor values of the target non-functional demand factors, and storing the non-functional demand factor baseline to the database;
generating a non-functional demand baseline of the newly-built application system according to the system name of the newly-built application system, the target non-functional index, the target non-functional quantization index item and the demand value and average value of the target non-functional quantization index item, and storing the non-functional demand baseline into the database, wherein the average value of the target non-functional quantization index item is the actual value of the target non-functional quantization index item.
Optionally, the process of pre-storing the reference application system includes:
determining each non-functional indicator of the reference application system;
setting a plurality of corresponding non-functional demand factors for each non-functional index, and acquiring factor values of the non-functional demand factors;
setting a plurality of corresponding non-functional quantization index items for each non-functional index of each reference application system, and acquiring a required value and an actual value of each non-functional quantization index item;
generating a non-functional demand factor baseline of each reference application system according to the reference application system name of each reference application system, the non-functional indexes, the non-functional demand factors corresponding to the non-functional indexes and the factor values of the non-functional demand factors, and storing the non-functional demand factor baseline to the database;
and generating a non-functional requirement baseline of each reference application system according to the reference application system name of each reference application system, the non-functional index, a non-functional quantization index item corresponding to the non-functional index, and an actual value and a required value of the non-functional quantization index, and storing each non-functional requirement baseline to the database.
The second aspect of the invention discloses a device for calculating the demand value of the nonfunctional quantization index item of a system, which comprises the following steps:
the target non-functional index determining unit is used for determining a target non-functional index of the newly-built application system and a target non-functional quantization index item corresponding to the target non-functional index;
a first obtaining unit, configured to obtain preset target non-functional demand factors corresponding to the target non-functional indicators and factor values of the target non-functional demand factors;
the selecting unit is used for selecting at least one similar application system from reference application systems prestored in a database according to the target non-functional index, each target non-functional demand factor and the factor value of each target non-functional demand factor;
a second obtaining unit, configured to obtain, according to the target non-functional index and the target non-functional quantization index item, a target non-functional requirement baseline of the similar application system from non-functional requirement baselines of the reference application systems pre-stored in the database, where the non-functional requirement baseline at least includes a name of the reference application system, a non-functional index, a non-functional quantization index item, and an actual value and a required value of the non-functional quantization index item;
and the first calculating unit is used for calculating the required value of the target non-functional quantization index item of the newly-built application system based on the actual value and the required value of the target non-functional quantization index item in each target non-functional demand baseline.
Optionally, the selecting unit includes:
a third obtaining unit, configured to obtain, from non-functional requirement factor baselines of respective reference application systems pre-stored in a database, a similar non-functional requirement factor baseline that has a same factor value as the target non-functional index, the respective non-functional requirement factor, and the respective non-functional requirement factor, where the non-functional requirement factor baseline includes a name of the reference application system, a non-functional index, and the respective non-functional requirement factor corresponding to the non-functional index, and the factor value of the respective non-functional requirement factor;
and the same-class application system determining unit is used for determining the reference application system corresponding to the name of the reference application system in the same-class non-functional requirement factor baseline as the same-class application system.
Optionally, the first computing unit includes:
a second calculation unit, configured to calculate an average value of actual values of the target non-functional quantization index items in each of the target non-functional demand baselines;
the third calculation unit is used for calculating the standard deviation of the target non-functional quantization index item of the newly-built application system according to the actual value and the required value of the target non-functional quantization index item in each target non-functional requirement baseline;
and the adding unit is used for adding the average value and the standard deviation of the target non-functional quantization index item of the newly-built application system to obtain the required value of the target non-functional quantization index item of the newly-built application system.
Optionally, the apparatus further comprises:
a fourth obtaining unit, configured to obtain a system name of the newly created application system;
a first generating unit, configured to generate a non-functional requirement factor baseline of the newly-built application system according to a system name of the newly-built application system, the target non-functional index, each target non-functional requirement factor corresponding to the target non-functional index, and a factor value of each target non-functional requirement factor, and store the non-functional requirement factor baseline in the database;
and a second generating unit, configured to generate a non-functional demand baseline of the newly-built application system according to a system name of the newly-built application system, the target non-functional index, the target non-functional quantization index item, and a demand value and an average value of the target non-functional quantization index item, and store the non-functional demand baseline in the database, where the average value of the target non-functional quantization index item is an actual value of the target non-functional quantization index item.
Optionally, the process of pre-storing the reference application system includes:
a non-functional index determining unit for determining each non-functional index of the reference application system;
the first setting unit is used for setting a plurality of corresponding non-functional demand factors for each non-functional index and acquiring the factor value of each non-functional demand factor;
the second setting unit is used for setting a plurality of corresponding non-functional quantization index items for each non-functional index of each reference application system and acquiring a required value and an actual value of each non-functional quantization index;
a third generating unit, configured to generate a non-functional requirement factor baseline of each reference application system according to a reference application system name of each reference application system, the non-functional indicator, each non-functional requirement factor corresponding to the non-functional indicator, and a factor value of each non-functional requirement factor, and store each non-functional requirement factor baseline to the database;
and the fourth generating unit is used for generating a non-functional requirement baseline of each reference application system according to the reference application system name of each reference application system, the non-functional index, a non-functional quantization index item corresponding to the non-functional index, an actual value and a required value of the non-functional quantization index, and storing each non-functional requirement baseline to the database.
The invention provides a method and a device for calculating a demand value of an nonfunctional quantization index item of a system, which are characterized in that after a target nonfunctional index of a newly-built application system and a target nonfunctional quantization index (a nonfunctional quantization index item of a demand value to be calculated) corresponding to the nonfunctional index are determined by storing nonfunctional demand baselines of various reference application systems and various application reference application systems in a database in advance, factor values of various target nonfunctional demand factors and various target nonfunctional demand factors corresponding to the target nonfunctional index are preset so as to select at least one similar application system from the reference application systems stored in the database in advance according to the determined target nonfunctional index, the obtained target nonfunctional demand factors and the factor values of the target nonfunctional demand factors, and finally, according to the actual value and the required value of the target non-functional quantitative index item in each target non-functional demand baseline, the required value of the target non-functional quantitative index item can be obtained without the intervention of technical personnel, so that the accuracy of calculating the required value of the non-functional quantitative index item of the newly-built application system is improved, and the efficiency of calculating the required value of the non-functional quantitative index item of the system is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for calculating a demand value of an nonfunctional quantization index item of a system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a device for calculating a demand value of an nonfunctional quantization index item of a system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
To facilitate understanding of the technical solutions of the present application, technical terms appearing in the present application are explained:
non-functional requirements: software products must have characteristics in addition to functional requirements, such as performance efficiency, reliability, extensibility, maintainability, etc., to meet customer business needs.
Non-functional indexes: units or methods that measure non-functional requirements.
Nonfunctional quantization index term: non-functional indicators that may be embodied using specific data.
Standard deviation: the square root of the arithmetic mean of the squared deviations from the mean is commonly expressed as a measure of the degree of statistical distribution in probability statistics.
Referring to fig. 1, a flow chart of a method for calculating an nonfunctional quantization index item of a system according to an embodiment of the present invention is shown, where the method specifically includes the following steps:
s101: and determining a target non-functional index of the newly-built application system and a target non-functional quantization index item corresponding to the target non-functional index.
In step S101, the technician sets in advance each corresponding non-functional quantization index item for each non-functional index corresponding to each non-functional requirement corresponding to the newly-built application system according to the attribute of the newly-built application system, as shown in table 1.
Table 1:
in the process of specifically executing step S101, after a newly-built application system for determining a required value of a to-be-calculated non-functional quantization index item is determined, it is determined that the newly-built application system corresponds to each non-functional index, and one non-functional index can be randomly selected from each determined non-functional index as a target non-functional index; after the target non-functional index is determined, each preset non-functional quantization index item corresponding to the target non-functional index is determined, so that one non-functional quantization index is randomly selected from the determined non-functional quantization index items to serve as the target non-functional quantization index item.
Or responding to the selection operation of the target non-functional index by the technician, determining the target non-functional index from the determined non-functional indexes, further responding to the selection operation of the target non-functional quantization index item by the technician after determining the target non-functional index, and determining the target non-functional quantization index item from the non-functional quantization index items corresponding to the determined target non-functional index.
For example, after determining that the newly-built application system corresponds to each non-functional index, if a target non-functional index of a selection operation instruction of a technician is a mixed transaction processing capability, determining the mixed transaction processing capability as a target non-functional index from the determined non-functional indexes corresponding to the newly-built application system; as can be seen from table 1, the non-functional quantization index items corresponding to the hybrid transaction processing capability are the hybrid transaction response time (ms) and the hybrid transaction processing capability (pen/second), and if the target non-functional quantization index item indicated by the selection operation of the technician is the hybrid transaction response time (ms), the hybrid transaction response time (ms) is determined as the target non-functional quantization index item from the determined hybrid transaction response time (ms) and the hybrid transaction processing capability (pen/second).
S102: and acquiring preset target non-functional demand factors corresponding to the target non-functional indexes and factor values of the target non-functional demand factors.
In step S102, the technician refines 17 non-functional demand factors according to the service characteristics and technical characteristics of the multiple reference application systems.
It should be noted that the 17 non-functional requirement factors include 8 non-functional requirement service factors and 9 non-functional requirement technical factors, specifically, the 8 non-functional requirement service factors are respectively: the service type, the service value, the service scale, the service range, the user group, the user number, the system service time and the third-party service type; the 9 non-functional technical factors are respectively: the method comprises the steps of operating system type, database type, data magnitude, equipment investment quantity, open source products, use scale in software industry, service availability target, system disaster tolerance requirement and system deployment position.
It should be further noted that the factor value of the service type may be a key account class, a customer transaction class, or a basic framework class; the factor of the business trend may be a traditional business; the factor value of the traffic scale can be huge (daily average traffic is more than 1 hundred million), large (1 million < daily average traffic is 1 million), medium (1 million < daily average traffic is 1 million), and small (10 million < daily average traffic is 1 million); the service range is a factor value which can be a whole line, a branch line, a head line department and a branch line department; the factors of the user group can be external private, internal transaction and internal management; the factor value of the number of users may be huge (number of users >1 million), large (1 million < number of users < >1 million), medium (1 million < number of users < >1 million), small (10 million < number of users < >1 million), and micro (number of users < >10 million); the system service time may have a factor value of 7 × 24, 7 × 12; the factor value of the third party service type may be related to critical services, related to general services.
The factor value of the operating system type may be AIX, a domestic operating system; the factor value of the database type can be ORACLE, domestic distributed database and non-relational database; the factor value of the data magnitude can be TB level and GB level; the factors of the equipment input quantity can be giant (equipment quantity is more than 1000), large (500< equipment quantity is 1000), medium (100< equipment quantity is 500), small (10< equipment quantity is 100) and micro (equipment quantity is 10); the factor value of the open source product can be related to key services, related to general services; the factor values used in the software industry may be common (number of applicable systems >100), general (5< number of applicable systems < 100), sporadic (number of applicable systems < 5); the factor values for the service availability goal may be 99.99%, 99%, 95%; the factor value of the system disaster tolerance requirement can be RTO; the factor value of the deployment position of the system can be more than two locations and more than two locations.
In step S102, a technician may determine, according to service characteristics and technical characteristics of a newly-built application system, each non-functional requirement factor corresponding to each non-functional index corresponding to the newly-built application system from 17 pre-extracted non-functional requirement factors, as shown in table 2, so that after determining a target non-functional index, each preset target non-functional requirement factor corresponding to the target non-functional index and a factor value of each target non-functional requirement factor may be obtained.
Table 2:
s103: and selecting at least one similar application system from the pre-stored reference application systems in the database according to the target non-functional indexes, the target non-functional demand factors and the factor values of the target non-functional demand factors.
In the process of step S103, a plurality of reference application systems are stored in the database in advance, and the process of storing the reference application systems in advance includes, for each reference application system:
a11: each non-functional indicator of the application system is determined.
A12: and setting a plurality of corresponding non-functional demand factors for each determined non-functional index, and acquiring the factor value of each non-functional demand factor.
In step a12, for each non-functional index of the reference application system, a technician may determine each non-functional demand factor corresponding to the non-functional index from the 17 pre-extracted non-functional demand factors according to the service characteristics and technical characteristics of the reference application system, and obtain a factor value of each determined non-functional demand factor.
A13: and setting a plurality of corresponding non-functional quantization index items for each non-functional index of each reference application system, and acquiring the required value and the actual value of each non-functional quantization index item.
In step a13, for each reference application system, the technician may set a plurality of corresponding non-functional quantization index items for each non-functional demand index corresponding to each non-functional demand corresponding to the reference application system according to the attribute of the reference application system, and obtain a demand value and an actual value of each non-functional quantization index item.
A14: and generating a non-functional demand factor baseline of each reference application system according to the reference application system name, the non-functional indexes of each reference application system, the non-functional demand factors corresponding to the non-functional indexes and the factor values of the non-functional demand factors, and storing each non-functional demand factor baseline to the database.
In step a14, for each non-functional index of each reference application system, after setting a corresponding non-functional requirement factor for each non-functional index and obtaining a factor value of each non-functional requirement factor, a non-functional requirement factor baseline of the reference application system may be generated according to the reference application system name, the non-functional index of the reference application system, each non-functional requirement factor corresponding to the non-functional index, and each non-functional requirement factor value, and the generated non-functional requirement factor baseline is stored in the database.
For example, for the transaction performance (non-functional index) of the reference application system 1, if each non-functional requirement factor set for the transaction performance (non-functional index) is a service type, a service scale, a user group, an operating system type, a database type, a data magnitude, an open source product, and a usage scale in the software industry, factor values of the service type, the service scale, the user group, the operating system type, the database type, the data magnitude, the open source product, and the usage scale in the software industry are respectively obtained.
Respectively acquiring a service type, a service scale, a user group, an operating system type, a database type, a data magnitude, an open source product and a software internal use scale according to a system name, a transaction performance (non-functional index), the service type, the service scale, the user group, the operating system type, the database type, the data magnitude, the open source product and the software internal use scale of a reference application system 1, and respectively acquiring a service type factor value, a service scale factor value, a user group factor value, an operating system type factor value, a database type factor value, a data magnitude factor value, an open source product factor value and a software internal use scale factor value of the service type, a service scale factor value, a user group factor value, an operating system type factor value, a database type factor value, a software internal use scale factor value, The factor value of the data magnitude, the factor value of the open source product, and the factor value of the use scale in the software industry, the non-functional requirement factor baseline of the reference application system 1 is generated, and the generated non-functional requirement factor baseline is stored in the database.
A15: and generating a non-functional demand baseline of each reference application system according to the reference application system name, the non-functional indexes, the non-functional quantization index items corresponding to the non-functional indexes, the actual values and the demand values of the non-functional quantization indexes of each reference application system, and storing each non-functional demand baseline to a database.
In step a15, after setting a corresponding non-functional quantization index item for each non-functional index and acquiring an actual value and a required value of each non-functional quantization index item, for each non-functional quantization index item of each reference application system, a non-functional requirement baseline of the reference application system may be generated according to the reference application system name of the reference application system, the non-functional index to which the non-functional quantization index item belongs, the actual value and the required value of the non-functional quantization index item, and the generated non-functional requirement baseline is stored in the database.
It should be noted that, for each reference application system, after the non-functional requirement factor baseline and the non-functional requirement baseline related to the reference application system are stored, the reference application system may be considered to be completely stored.
In the specific process of executing step S103, after obtaining preset target non-functional demand factors and factor values of the target non-functional demand factors corresponding to the target non-functional indicators, a reference application system that is the same as the target non-functional indicators, the target non-functional demand factors, and the target non-functional demand factors may be selected from reference application systems prestored in the database as a similar application system.
Optionally, a non-functional demand factor baseline that is the same as the target non-functional index, each target non-functional demand factor, and each target non-functional demand factor may be selected from non-functional demand factor baselines of each reference application system pre-stored in the database as a similar non-functional demand factor baseline, so that the reference application system corresponding to the name of the reference application system in the selected similar non-functional demand factor baseline is determined as a similar application system.
S104: and acquiring target non-functional requirement baselines of the similar application systems from the non-functional requirement baselines of all the reference application systems prestored in the database according to the target non-functional indexes and the target non-functional quantization index items, wherein the non-functional requirement baselines at least comprise the names of the reference application systems, the non-functional indexes, the non-functional quantization index items and the actual values and the required values of the non-functional quantization index items.
In the specific process of executing step S104, after determining the target non-functional index of the newly-built application system and the target non-functional quantization index item corresponding to the target non-functional index, for each similar application system, a non-functional requirement baseline that is the same as the target non-functional index and the target non-functional quantization index item may be selected as the target non-functional requirement baseline from non-functional requirement baselines of the similar reference application systems that are pre-stored in the database, and an actual value and a required value of the target non-functional quantization index item in the target non-functional requirement baseline are obtained.
S105: and calculating the required value of the target non-functional quantization index item of the newly-built application system based on the actual value and the required value of the target non-functional quantization index item in each target non-functional demand baseline.
In the specific execution process of step S105, after the target non-functional requirement baseline of each similar application system is obtained, the actual value and the standard deviation of the target non-functional quantization index item of the newly-built application system are calculated according to the actual value and the required value of the target non-functional quantization index item in each target non-functional requirement baseline, so that the required value of the target non-functional quantization index item of the newly-built application system is calculated according to the calculated actual value and the calculated standard deviation of the target non-functional quantization index item of the newly-built application system.
Optionally, calculating an average value of actual values of target non-functional quantization index items of the similar application systems, and taking the calculated average value as an actual value of a target non-functional quantization index item of a newly-built application system; calculating the standard deviation of the target non-functional quantization index item of the newly-built application system according to the actual value and the required value of the target non-functional quantization index item in each target non-functional demand baseline; and adding the average value and the standard deviation of the target non-functional quantization index item of the newly-built application system to obtain the required value of the target non-functional quantization index item of the newly-built application system. The standard deviation of the target non-functional quantization index item of the newly-built application system is calculated according to the actual value and the required value of the target non-functional quantization index item in each target non-functional demand baseline, and the following formula is shown:
wherein x is the required value of the target non-functional quantization index item in the target non-functional baseline, s is the average value of the target non-functional quantization index item in the target non-functional baseline,
the average difference of the actual values of the target non-functional quantization index items of each similar application system is sigma, the standard deviation of the target non-functional quantization index items is sigma, i is a serial number, and n is the number of the similar application systems.
Further, in this embodiment of the present application, after the required value of the target non-functional quantization index item of the newly-built application system is calculated, the system name of the newly-built application system may be obtained, so as to generate a non-functional demand factor baseline of the newly-built application system according to the system name of the newly-built application system, the target non-functional index, each target non-functional demand factor corresponding to the target non-functional index, and the factor value of each target non-functional demand factor, and store the generated non-functional demand factor baseline in the database.
And generating a non-functional requirement baseline of the newly-built application system according to the system name, the target non-functional index, the target non-functional quantization index item and the required value and the actual value of the target non-functional quantization index item of the newly-built application system, storing the generated non-functional requirement baseline into a database, and after storing the non-functional requirement baseline and the non-functional requirement factor baseline of the newly-built application system into the database, considering the newly-built application system as a reference application system, so that the reference application system data stored in the database can be enriched.
The invention provides a method for calculating a demand value of an nonfunctional quantization index item of a system, which comprises the steps of storing nonfunctional demand baselines of various reference application systems and various application reference application systems in a database in advance, obtaining various target nonfunctional demand factors corresponding to target nonfunctional indexes and factor values of the target nonfunctional demand factors after determining the target nonfunctional indexes of a newly-built application system and the target nonfunctional quantization index items (the nonfunctional quantization index items of the demand value to be calculated) corresponding to the nonfunctional indexes, selecting at least one similar application system from the reference application systems stored in the database in advance according to the determined target nonfunctional indexes, the obtained target nonfunctional demand factors and the factor values of the target nonfunctional demand factors, and selecting at least one similar application system from the reference application systems stored in the database in advance according to the target nonfunctional indexes and the target nonfunctional quantization index items, and finally, according to the actual value and the required value of the target non-functional quantitative index item in each target non-functional demand baseline, the required value of the target non-functional quantitative index item can be obtained without the intervention of technical personnel, so that the accuracy of calculating the required value of the non-functional quantitative index item of the newly-built application system is improved, and the efficiency of calculating the required value of the non-functional quantitative index item of the system is improved.
For a better understanding of the above, the following examples are given.
For example, after determining that the newly-built application system corresponds to each non-functional index, if a target non-functional index of a selection operation instruction of a technician is a mixed transaction processing capability, determining the mixed transaction processing capability as a target non-functional index from the determined non-functional indexes corresponding to the newly-built application system; from table 1, it can be known that the non-functional quantization index items corresponding to the hybrid transaction processing capability are the hybrid transaction response time (ms) and the hybrid transaction processing capability (pen/second), and if the target non-functional quantization index item indicated by the selection operation of the technician is the hybrid transaction processing capability (pen/second), the hybrid transaction processing capability (pen/second) is determined as the target non-functional quantization index item from the determined hybrid transaction response time (ms) and the hybrid transaction processing capability (pen/second).
As can be known from table 2, each target non-functional demand factor corresponding to the mixed transaction processing capability is a service type, a service scale, a service range, a number of users, a type of an operating system, a type of a database, a data magnitude, a device input number, an open source product, a usage scale in the software industry, and the service type, the service scale, the service range, the number of users, the type of the operating system, the type of the database, the data magnitude, the device input number, the open source product, the usage scale in the software industry are obtained, and a factor value of the service type, a factor value of the service scale, a factor value of the service range, a factor value of the number of users, a factor value of the type of the operating system, a factor value of the type of the database, a factor value of the data magnitude, a factor value of the device input number, a factor value of the open source product, and a factor value of.
Selecting non-functional requirement factor baselines with the same non-functional requirement factor baselines of the same type as the non-functional requirement factor baselines of the same type in the software industry, wherein the non-functional requirement factor baselines are pre-stored in a database, and the non-functional requirement factor baselines are used as the non-functional requirement factors, so as to determine the reference application system corresponding to the name of the reference application system in the selected baseline of the same type of non-functional requirement factor as the same type of application system.
Selecting a non-functional requirement baseline which is the same as a mixed transaction processing capacity (target non-functional index) and a mixed transaction processing capacity (pen/second) (target non-functional quantization index item) from non-functional requirement baselines of various similar reference application systems pre-stored in a database as a target non-functional requirement baseline, and acquiring an actual value and a required value of the mixed transaction processing capacity (pen/second) (target non-functional quantization index item) in each target non-functional requirement baseline.
If the average value of the actual values of the mixed transaction processing capacity (pen/second) (target non-functional quantization index item) of each similar application system is calculated, the calculated average value is used as the actual value of the mixed transaction processing capacity (pen/second) (target non-functional quantization index item) of the newly-built application system; calculating the standard deviation of the hybrid transaction processing capacity (pen/second) (target non-functional quantization index item) of the newly-built application system according to the actual value and the required value of the hybrid transaction processing capacity (pen/second) (target non-functional quantization index item) in each target non-functional requirement baseline; and adding the average value and the standard deviation of the mixed transaction processing capacity (pen/second) (target non-functional quantization index item) of the newly-built application system to obtain the requirement value of the mixed transaction processing capacity (pen/second) (target non-functional quantization index item) of the newly-built application system.
Corresponding to the method for calculating the required value of the non-functional quantization index item of the system disclosed in the embodiment of the present invention, as shown in fig. 2, the embodiment of the present invention further provides a device for calculating the required value of the non-functional quantization index item of the system, the device comprising:
a target non-functional index determining unit 21, configured to determine a target non-functional index of the newly-built application system and a target non-functional quantization index item corresponding to the target non-functional index;
a first obtaining unit 22, configured to obtain preset factor values of each target non-functional demand factor and each target non-functional demand factor corresponding to the target non-functional index;
a selecting unit 23, configured to select at least one similar application system from the reference application systems pre-stored in the database according to the target non-functional index, each target non-functional requirement factor, and the factor value of each target non-functional requirement factor;
a second obtaining unit 24, configured to obtain a target non-functional requirement baseline of the similar application system from non-functional requirement baselines of the reference application systems pre-stored in the database according to the target non-functional indicator and the target non-functional quantization indicator item, where the non-functional requirement baseline at least includes a name of the reference application system, an actual value and a required value of the non-functional indicator, the non-functional quantization indicator item, and the non-functional quantization indicator item;
and the first calculating unit 25 is used for calculating the required value of the target non-functional quantization index item of the newly-built application system based on the actual value and the required value of the target non-functional quantization index item in each target non-functional demand baseline.
The specific principle and the implementation process of each unit in the device for calculating the required value of the non-functional quantization index item of the system disclosed in the embodiment of the present invention are the same as the method for calculating the required value of the non-functional quantization index item of the system disclosed in fig. 1 of the embodiment of the present invention, and reference may be made to corresponding parts in the method for calculating the required value of the non-functional quantization index item of the system disclosed in fig. 1 of the embodiment of the present invention, and details are not repeated here.
The invention provides a device for calculating a demand value of an nonfunctional quantization index item of a system, which is characterized in that after a target nonfunctional index of a newly-built application system and a target nonfunctional quantization index item (the nonfunctional quantization index item of the demand value to be calculated) corresponding to the nonfunctional index are determined by storing nonfunctional demand baselines of various reference application systems and various application reference application systems in a database in advance, factor values of various target nonfunctional demand factors and various target nonfunctional demand factors corresponding to the target nonfunctional index are preset, so that at least one similar application system is selected from the reference application systems stored in the database in advance according to the determined target nonfunctional index, the obtained target nonfunctional demand factors and the factor values of the target nonfunctional demand factors, and according to the target nonfunctional index and the target nonfunctional quantization index item, and finally, according to the actual value and the required value of the target non-functional quantitative index item in each target non-functional demand baseline, the required value of the target non-functional quantitative index item can be obtained without the intervention of technical personnel, so that the accuracy of calculating the required value of the non-functional quantitative index item of the newly-built application system is improved, and the efficiency of calculating the required value of the non-functional quantitative index item of the system is improved.
Preferably, the selecting unit includes:
a third obtaining unit, configured to obtain, from non-functional demand factor baselines of respective reference application systems pre-stored in a database, a similar non-functional demand factor baseline having a factor value that is the same as that of a target non-functional index, each non-functional demand factor, and each non-functional demand factor, where the non-functional demand factor baseline includes a name of the reference application system, a non-functional index, and each non-functional demand factor corresponding to the non-functional index, and a factor value of each non-functional demand factor;
and the same-class application system determining unit is used for determining the reference application system corresponding to the name of the reference application system in the same-class non-functional requirement factor baseline as the same-class application system.
Preferably, the first calculation unit includes:
the second calculation unit is used for calculating the average value of the actual values of the target non-functional quantization index items in each target non-functional demand baseline;
the third calculation unit is used for calculating the standard deviation of the target non-functional quantization index item of the newly-built application system according to the actual value and the required value of the non-functional quantization index item in each target non-functional requirement baseline;
and the adding unit is used for adding the average value and the standard deviation of the target non-functional quantization index item of the newly-built application system to obtain the required value of the target non-functional quantization index item of the newly-built application system.
Further, the device for calculating the demand value of the nonfunctional quantization index item of the system according to the present invention further includes:
the fourth obtaining unit is used for obtaining the system name of the newly-built application system;
the first generating unit is used for generating a non-functional demand factor baseline of the newly-built application system according to the system name of the newly-built application system, the target non-functional indexes, the target non-functional demand factors corresponding to the target non-functional indexes and the factor values of the target non-functional demand factors, and storing the non-functional demand factor baseline to a database;
and the second generating unit is used for generating a non-functional demand baseline of the newly-built application system according to the system name, the target non-functional index, the target non-functional quantization index item and the demand value and the average value of the target non-functional quantization index item of the newly-built application system, and storing the non-functional demand baseline into the database, wherein the average value of the target non-functional quantization index item is the actual value of the target non-functional quantization index item.
Preferably, the process of pre-storing the reference application system includes:
a non-functional index determining unit for determining each non-functional index of the reference application system;
the first setting unit is used for setting a plurality of corresponding non-functional demand factors for each non-functional index and acquiring the factor value of each non-functional demand factor;
the second setting unit is used for setting a plurality of corresponding non-functional quantization index items for each non-functional index of each reference application system and acquiring a required value and an actual value of each non-functional quantization index;
and the third generating unit is used for generating a non-functional demand factor baseline of each reference application system according to the reference application system name, the non-functional indexes, the non-functional demand factors corresponding to the non-functional indexes and the factor values of the non-functional demand factors of each reference application system, and storing the non-functional demand factor baseline into the database.
And the fourth generating unit is used for generating a non-functional requirement baseline of each reference application system according to the reference application system name, the non-functional index, the non-functional quantization index item corresponding to the non-functional index, the actual value and the required value of the non-functional quantization index of each reference application system, and storing each non-functional requirement baseline into the database.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, the system or system embodiments are substantially similar to the method embodiments and therefore are described in a relatively simple manner, and reference may be made to some of the descriptions of the method embodiments for related points. The above-described system and system embodiments are only illustrative, wherein the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method for calculating a demand value of an nonfunctional quantization index item of a system, the method comprising:
determining a target non-functional index of a newly-built application system and a target non-functional quantization index item corresponding to the target non-functional index;
acquiring preset target non-functional demand factors corresponding to the target non-functional indexes and factor values of the target non-functional demand factors;
selecting at least one similar application system from reference application systems prestored in a database according to the target non-functional index, each target non-functional demand factor and the factor value of each target non-functional demand factor;
acquiring a target non-functional requirement baseline of the similar application system from non-functional requirement baselines of the reference application systems stored in the database in advance according to the target non-functional indexes and the target non-functional quantization index items, wherein the non-functional requirement baseline at least comprises a reference application system name, non-functional indexes, non-functional quantization index items, and actual values and required values of the non-functional quantization index items;
and calculating the required value of the target non-functional quantization index item of the newly-built application system based on the actual value and the required value of the target non-functional quantization index item in each target non-functional demand baseline.
2. The method according to claim 1, wherein the selecting at least one homogeneous application system from each reference application system pre-stored in a database according to the target non-functional index, each target non-functional requirement factor, and the factor value of each target non-functional requirement factor comprises:
acquiring similar non-functional demand factor baselines which are the same as the target non-functional indexes, the non-functional demand factors and the non-functional demand factors from non-functional demand factor baselines of all reference application systems prestored in a database, wherein the non-functional demand factor baselines comprise the names of the reference application systems, the non-functional indexes, the non-functional demand factors corresponding to the non-functional indexes and the factor values of the non-functional demand factors;
and determining the reference application system corresponding to the name of the reference application system in the same type of non-functional requirement factor baseline as the same type of application system.
3. The method according to claim 1, wherein the calculating the demand value of the target non-functional metric item of the newly-built application system based on the actual value and the demand value of the target non-functional quantization metric item in each target non-functional demand baseline comprises:
calculating the average value of the actual values of the target non-functional quantization index items of the similar application systems;
calculating the standard deviation of the target non-functional quantization index item of the newly-built application system according to the actual value and the required value of the target non-functional quantization index item in each target non-functional demand baseline;
and adding the average value and the standard deviation of the target non-functional quantization index item of the newly-built application system to obtain the required value of the target non-functional quantization index item of the newly-built application system.
4. The method of claim 3, further comprising:
acquiring a system name of the newly-built application system;
generating a non-functional demand factor baseline of the newly-built application system according to the system name of the newly-built application system, the target non-functional indexes, the target non-functional demand factors corresponding to the target non-functional indexes and the factor values of the target non-functional demand factors, and storing the non-functional demand factor baseline to the database;
generating a non-functional demand baseline of the newly-built application system according to the system name of the newly-built application system, the target non-functional index, the target non-functional quantization index item and the demand value and average value of the target non-functional quantization index item, and storing the non-functional demand baseline into the database, wherein the average value of the target non-functional quantization index item is the actual value of the target non-functional quantization index item.
5. The method of claim 1, wherein pre-storing the reference application comprises:
determining each non-functional indicator of the reference application system;
setting a plurality of corresponding non-functional demand factors for each non-functional index, and acquiring factor values of the non-functional demand factors;
setting a plurality of corresponding non-functional quantization index items for each non-functional index of each reference application system, and acquiring a required value and an actual value of each non-functional quantization index item;
generating a non-functional demand factor baseline of each reference application system according to the reference application system name of each reference application system, the non-functional indexes, the non-functional demand factors corresponding to the non-functional indexes and the factor values of the non-functional demand factors, and storing the non-functional demand factor baseline to the database;
and generating a non-functional requirement baseline of each reference application system according to the reference application system name of each reference application system, the non-functional index, a non-functional quantization index item corresponding to the non-functional index, and an actual value and a required value of the non-functional quantization index, and storing each non-functional requirement baseline to the database.
6. An apparatus for calculating a demand value of an nonfunctional quantization index item of a system, the method comprising:
the target non-functional index determining unit is used for determining a target non-functional index of the newly-built application system and a target non-functional quantization index item corresponding to the target non-functional index;
a first obtaining unit, configured to obtain preset target non-functional demand factors corresponding to the target non-functional indicators and factor values of the target non-functional demand factors;
the selecting unit is used for selecting at least one similar application system from reference application systems prestored in a database according to the target non-functional index, each target non-functional demand factor and the factor value of each target non-functional demand factor;
a second obtaining unit, configured to obtain, according to the target non-functional index and the target non-functional quantization index item, a target non-functional requirement baseline of the similar application system from non-functional requirement baselines of the reference application systems pre-stored in the database, where the non-functional requirement baseline at least includes a name of the reference application system, a non-functional index, a non-functional quantization index item, and an actual value and a required value of the non-functional quantization index item;
and the first calculating unit is used for calculating the required value of the target non-functional quantization index item of the newly-built application system based on the actual value and the required value of the target non-functional quantization index item in each target non-functional demand baseline.
7. The apparatus of claim 6, wherein the selecting unit comprises:
a third obtaining unit, configured to obtain, from non-functional requirement factor baselines of respective reference application systems pre-stored in a database, a similar non-functional requirement factor baseline that has a same factor value as the target non-functional index, the respective non-functional requirement factor, and the respective non-functional requirement factor, where the non-functional requirement factor baseline includes a name of the reference application system, a non-functional index, and the respective non-functional requirement factor corresponding to the non-functional index, and the factor value of the respective non-functional requirement factor;
and the same-class application system determining unit is used for determining the reference application system corresponding to the name of the reference application system in the same-class non-functional requirement factor baseline as the same-class application system.
8. The apparatus of claim 6, wherein the first computing unit comprises:
a second calculation unit, configured to calculate an average value of actual values of the target non-functional quantization index items in each of the target non-functional demand baselines;
the third calculation unit is used for calculating the standard deviation of the target non-functional quantization index item of the newly-built application system according to the actual value and the required value of the target non-functional quantization index item in each target non-functional requirement baseline;
and the adding unit is used for adding the average value and the standard deviation of the target non-functional quantization index item of the newly-built application system to obtain the required value of the target non-functional quantization index item of the newly-built application system.
9. The apparatus of claim 6, further comprising:
a fourth obtaining unit, configured to obtain a system name of the newly created application system;
a first generating unit, configured to generate a non-functional requirement factor baseline of the newly-built application system according to a system name of the newly-built application system, the target non-functional index, each target non-functional requirement factor corresponding to the target non-functional index, and a factor value of each target non-functional requirement factor, and store the non-functional requirement factor baseline in the database;
and a second generating unit, configured to generate a non-functional demand baseline of the newly-built application system according to a system name of the newly-built application system, the target non-functional index, the target non-functional quantization index item, and a demand value and an average value of the target non-functional quantization index item, and store the non-functional demand baseline in the database, where the average value of the target non-functional quantization index item is an actual value of the target non-functional quantization index item.
10. The apparatus of claim 6, wherein the pre-storing of the reference application comprises:
a non-functional index determining unit for determining each non-functional index of the reference application system;
the first setting unit is used for setting a plurality of corresponding non-functional demand factors for each non-functional index and acquiring the factor value of each non-functional demand factor;
the second setting unit is used for setting a plurality of corresponding non-functional quantization index items for each non-functional index of each reference application system and acquiring a required value and an actual value of each non-functional quantization index;
a third generating unit, configured to generate a non-functional requirement factor baseline of each reference application system according to a reference application system name of each reference application system, the non-functional indicator, each non-functional requirement factor corresponding to the non-functional indicator, and a factor value of each non-functional requirement factor, and store each non-functional requirement factor baseline to the database;
and the fourth generating unit is used for generating a non-functional requirement baseline of each reference application system according to the reference application system name of each reference application system, the non-functional index, a non-functional quantization index item corresponding to the non-functional index, an actual value and a required value of the non-functional quantization index, and storing each non-functional requirement baseline to the database.
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