JP3803001B2 - Software development procedure customization support apparatus and method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a customization support apparatus and method for system development mainly based on processing of design information, and in particular, a software development procedure suitable for supporting customization of a development procedure according to an individual software development project. The present invention relates to a customization support apparatus and method.
[0002]
[Prior art]
Currently, a large number of software development procedures are developed and operated by companies that implement software development. These software development procedures are usually made with an emphasis on completeness of the procedure in order to have generality. When actually applied, the original software is used for efficient software development. It is usual to customize the development procedure according to the project to be implemented.
[0003]
Conventionally, customizing software development procedures has generally been performed by a skilled software engineer based on experience, examining the importance and impact of each design task and design information. Specifically, in customizing the software development procedure, a software engineer has performed the following work, for example.
[0004]
(1) Deletion of specific design information Among design information defined in the software development procedure that is the source of the design information, design information that does not attract much attention in the development target is deleted and is not created in the project.
[0005]
(2) Deletion of other design information accompanying deletion of certain design information Other deletion of design information associated with deletion of part of design information defined in the original software development procedure Find and delete design information.
[0006]
Regarding customization support in software development, for example, as described in Japanese Patent Application No. 3-268262, customization such as changing the order of design work or deleting design work is added to the development procedure. There are methods that reflect the effect of changes in design definition information such as specifications, document structure, and work standards. On the other hand, there is no technique for presenting other design information quality degradation, or other technique for presenting other design information that becomes unnecessary accompanying the deletion of certain design information without following the software development procedure.
[0007]
[Problems to be solved by the invention]
In the prior art, when the design information is deleted, there is no method for properly evaluating the influence of the deletion on the quality of other design information, and there is no method for correctly knowing the deterioration of the quality of other design information. Therefore, proper customization cannot be performed without skilled software engineers. In addition, when deleting other design information that is no longer necessary accompanying the deletion of certain design information, there is no way to know it immediately without following the software development procedure. It is necessary to confirm. For this reason, the effect of improving the efficiency of the entire software development procedure by deleting certain design information is not easily understood.
[0008]
The present invention can instantly know the quality of other design information when specific design information is deleted from the software development procedure, and can instantly know design information that does not need to be created in association with the deletion. It is an object to provide an apparatus and method for supporting customization of software development procedures that can be performed.
[0009]
[Means for Solving the Problems]
In the present invention, in order to solve the above problems, the following (1) to (3) are provided.
(1) at each design task constituting the software development procedure, from the data (2) Software development procedures showing the relationship between the quality of the output design information on the quality of the input design information, if you delete the predetermined design information, Function for calculating the quality of other design information (3) Function for searching for other design information that is unnecessary when the predetermined design information is deleted from the software development procedure.
When determining whether or not to delete predetermined design information as customization of the software development procedure, the present invention uses the data of (1) and the function of (2) to customize the other design. Based on the influence on the quality of information, the quality of other design information is calculated and presented.
[0011]
When deleting predetermined design information as customization of the software development procedure, other design information that is unnecessary due to the search is retrieved and presented using the data (1) and the function (3). In this way, data for carrying out appropriate customization is presented and customization is supported.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Below, one Embodiment of this invention is described according to FIGS.
[0013]
FIG. 1 is a block diagram showing a functional configuration of a customization support apparatus used in this embodiment. In FIG. 1, reference numeral 101 denotes a function for calculating the quality of design information according to given conditions. 102 is a table that records, as a coefficient, the ratio of the quality of certain design information depending on the quality of other design information used when creating the design information based on a software development procedure prepared in advance. This is called a quality factor table. Details of the quality factor table will be described with reference to FIG. Reference numeral 103 denotes a function for searching for unnecessary design information in accordance with given conditions. Reference numeral 104 denotes an input device for design information to be deleted. Reference numeral 105 denotes an output device for presenting the quality of the obtained design information and unnecessary design information.
[0014]
FIG. 2 is a flowchart showing a processing procedure when the software development procedure is customized in the apparatus of this embodiment. This processing procedure will be described in detail later.
[0015]
FIG. 3 is an example of a software development procedure that is a target to be customized in the present embodiment. In FIG. 3, squares indicate design work, ellipses indicate design information, and arrows indicate the flow of design information. In FIG. 3, in order to facilitate understanding of the present embodiment, only a part of the development procedure used in actual software development is extracted and shown. There are several ways of thinking about the size of the design work in software development, such as a unit for every confirmation work by review or a unit for creating a worksheet. The way of thinking does not matter. In addition, there are several ways of thinking about the size of the design information, such as a unit of a worksheet or a unit of a worksheet description item. However, in the present invention, these ways of thinking are not limited. In FIG. 3, in order to facilitate understanding of the present embodiment, both design work and design information are shown in slightly larger units. It should be noted that the complete software development procedure includes a large number of design tasks, and typical examples of the concept of the types and classifications of these work items and the unit of work item size are, for example, international There are standards ISO / IEC12207 and the like.
[0016]
FIG. 4 is an example showing the contents of the quality factor table 102. This example is made based on the example of the software development procedure of FIG. The numerical values described in the table of FIG. 4 are called quality factors. The quality factor is a numerical value indicating the ratio of the influence of the quality of the design information on the output side shown on the horizontal axis of the quality factor table from the design information on the input side shown on the vertical axis. For example, in this example, the quality of the design information “business / management resource related matrix” on the output side is affected by the design information “business activity system document” on the input side 0.6, and the “current input / output information list” It shows that it is affected 0.4. The total of the quality factor columns, that is, the total influence of the design information on the output side from the design information on the input side is 1. For the quality factor, aptitude value is defined in advance. The quality factor of FIG. 4 is a preset example. Note that the quality factors of the three items on the left side of the design information on the output side, “New System Development Concept”, “Business Content Manual”, and “Current System Screen / Form” are not entered, but this is an example of the software development procedure in FIG. This is because the design information to be input of these three design information is not defined.
[0017]
FIG. 5 shows a quality calculation table for realizing the quality calculation function in the present embodiment. It is assumed that each column of this table contains blanks or arbitrary numerical values representing quality. Each item except the bottom “design information quality” in the table of FIG. 5 indicates the quality obtained by the design information on the output side from the design information on the input side. For example, in FIG. 5, the design information “business / management resource related matrix” on the output side is x1 from the design information “business activity system document” on the input side, and x2 from the design information “current input / output information list”. Show as you get. The bottom “design information quality” is the total value of the table columns, and indicates the quality of each design information on the output side. For example, FIG. 5 shows that the quality of the “business / management resource relation matrix” is q3.
[0018]
In the present embodiment, as shown in the quality factor table of FIG. 4, the design information “business / management resource related matrix” is affected by items other than the design information “business activity system document” and the design information “current input / output information list”. Not receive. Therefore, no value other than x1 and x2 appears in the column of the design information “business / management resource relation matrix” on the output side. Therefore, in this case, the relationship between x1, x2, and q3 is
q3 = x1 + x2
It becomes. Also, x1 and x2 are each expressed by the product of the quality of the design information on the input side and the quality factor defined in FIG. For example, x1 is
x1 = (quality factor of the item in FIG. 4) × (quality of “business activity system document”)
That is,
x1 = 0.6 × q1
Similarly, x2 is
x2 = 0.4 × q2
It becomes.
[0019]
Although a part of FIG. 5 has been described above, the same calculation formula as described above is defined for all items in the quality calculation table of FIG. The “quality calculation function” 101 in FIG. 1 is an arithmetic function in the quality calculation table in FIG.
[0020]
Next, with reference to the flowchart of FIG. 2, an example of customizing the software development procedure with the apparatus of this embodiment will be described. Now, in the software development procedure of FIG. 3, when the design information 301 "current input / output information list" is deleted from the software development procedure, the quality of other design information is obtained. In this case, in addition to the design information to be deleted, the user specifies the quality of the input design information that is a premise of the software development procedure as the premise information. The input design information that is the premise of the software development procedure is design information that is created and input outside the software development procedure. In the example of FIG. 3, 302 “new system development concept”, 303 “business” "Contents description" and 304 "current system screen / form". In the designation of quality, specifically, a numerical value between zero and 1 is designated. If zero is specified for quality, it means that the design information is not created, that is, deleted from the software development procedure. If 1 is designated as the quality, it means that the quality of the design information is necessary and sufficient. In this embodiment, 1 is designated as the quality of the above three design information. Then, “current input / output information list” is designated as design information to be deleted.
[0021]
To summarize the above, the user firstly uses the input device (104) as the designation information of the present embodiment.
1 as the quality of the “New System Development Concept”
1 as the quality of the “business description manual”
1 as the quality of the “current system screen / form”
As the design information to be deleted, "Current I / O Information List"
Is input (step 201).
[0022]
When the user finishes inputting these pieces of information, the design quality calculation function (101) receives these pieces of input information and sets them in the “quality of design information” column of the quality calculation table of FIG. At this time, the design quality calculation function (101) sets zero as the quality value for the design information “current input / output information list” to be deleted (step 202). FIG. 6 shows a quality calculation table in which these values are set. In the “Quality of design information” column, 1 is set for “new system development concept”, “business content description”, and “current system screen / form” created and input externally, and the design information to be deleted “Current input / output information list” is set to 0.
[0023]
Next, the quality calculation function (101) uses the quality coefficient table (103) shown in FIG. 4 and the method described in FIG. 5 to set the value in the “quality of design information” column of the quality calculation table. All the unset fields are calculated (step 203). That is, the value of the “design information quality” column is returned to the input side from the state of FIG. 6, multiplied by the coefficient of FIG. 4 and set in the quality calculation table, and then the “design information quality” value is further obtained. To complete the quality calculation table. However, although 0 is set in the “quality of design information” column as design information to be deleted, this value is forcibly set to 0 and the subsequent calculation is performed. FIG. 7 shows the calculation result in this example.
[0024]
Next, the unnecessary design information search function (103) searches for design information that does not need to be created. First, the unnecessary design information search function (103) searches for input side design information that affects the design information designated by the user for deletion. Specifically, in this embodiment, the column of the output side design information “current input / output information list” of the quality calculation result in FIG. 7 is checked to search for a column containing a numerical value other than zero. The input side design information in the corresponding column becomes a candidate for unnecessary design information. This is because the input side design information that affects the design information to be deleted is likely to be unnecessary. In this embodiment, the search is performed as described above, and the input side design information “current system screen / form” in the column where the numerical value “1” is found is a candidate for unnecessary design information (step 204).
[0025]
If step 204 is executed and there is no candidate, the processing result is output to the output device 105 (step 207), and the processing is terminated.
[0026]
When a candidate is found, the unnecessary design information search function (103) determines whether or not there is really unnecessary design information for all the found candidates (step 205). That the discovered candidate is really unnecessary means that there is no other design information that requires the candidate design information. Specifically, the determination method is as follows: each column of the input side design information row of the found candidate design information viewed in the row direction is positioned at the same position in the “design information quality” row at the bottom. Compare with the fields and make sure that all fields meet the following conditions:
[0027]
Condition: When a column in a candidate input side design information row is a numerical value other than zero, the value in the column at the same position in the “design information quality” row is zero.
[0028]
The meaning of this condition is as follows. If a column in a candidate input side design information row is a numerical value other than zero, this means that the candidate affects the output side design information of that column. At this time, if the value in the column of the same position in the row of “design information quality” is zero, it means that this output side design information is not created. As a result, this output side design information is not affected. Will not give. In all the columns, if the above conditions are satisfied, there is no output side design information that this candidate affects, so it can be concluded that this candidate is really unnecessary design information. Conversely, if there is at least one column that does not satisfy the above conditions, this candidate will affect other design information and cannot be deleted.
[0029]
In the present embodiment, specifically, in the quality calculation result of FIG. 7, each column of the input side design information row of the design information “current system screen / form” which is the found candidate is displayed at the bottom “design” Comparison is made with each column at the same position in the “information quality” row, and it is checked whether or not all the columns satisfy the above condition (step 205). If step 205 is executed and there is no really unnecessary design information, the processing result is output to the output device 105 (step 207), and the processing is terminated.
[0030]
In this example, in the input side design information line of the design information “current system screen / form” that is a candidate that has been found, the column containing a numerical value other than zero is the output side design information “current input / output information” This is only the “List” column. Since the same position in the “design information quality” line of this column is zero, the above condition is satisfied. Therefore, the candidate design information “current system screen / form” is unnecessary design information.
[0031]
When unnecessary design information is found as described above, the unnecessary design information search function (103) treats the design information as being deleted from the software development procedure, and the “design information” at the bottom of the design information in the quality calculation table is displayed. Zero is entered in the "Quality" field (step 206). Thereafter, returning to step 203, the quality of each design information is calculated again. In this embodiment, zero is set in the “design information quality” column of the output side design information “current system screen / form”, and the quality of each design information is calculated in step 203. FIG. 8 shows the result.
[0032]
Next, based on the found design information to be deleted, the process from step 204 is executed again, and the process is repeated until the above-described end condition is satisfied. Finally, the output device (105) outputs the above processing result (step 207). From the processing result as shown in FIG. 8, it is possible to know the deterioration in quality of each design information when the predetermined design information is deleted.
[0033]
【The invention's effect】
As described above, according to the present invention, when the predetermined design information is deleted from the software development procedure, the quality of other design information can be instantly known, and at the same time, the design that does not require creation is accompanied. You can know the information.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a configuration of an embodiment of the present invention.
FIG. 2 is a flowchart showing a processing procedure according to the embodiment of the present invention.
FIG. 3 is a diagram illustrating an example of a software development procedure which is a target to be customized in the present embodiment.
FIG. 4 is a diagram illustrating an example of a quality coefficient table.
FIG. 5 is a diagram illustrating an example of a quality calculation table.
FIG. 6 is a diagram illustrating an example of a quality calculation table representing input information setting results.
FIG. 7 is a diagram showing an example of a quality calculation table that represents the result of quality calculation.
FIG. 8 is a diagram illustrating an example of a quality calculation table that represents a result of deleting unnecessary design information.
[Explanation of symbols]
101 Design Quality Calculation Function 102 Quality Coefficient Table 103 Unnecessary Design Information Search Function 104 Input Device 105 Output Device

Claims (2)

A customization support device that supports customization of software development procedures,
Storage means for storing quality coefficient data indicating the relationship of the quality of the output design information to the quality of the input design information in each design work constituting the software development procedure;
Software development procedure customization support, comprising means for calculating the quality of other design information by referring to the quality factor data when predetermined design information is deleted from the software development procedure apparatus. A customization support device that supports customization of software development procedures,
Storage means for storing quality coefficient data indicating the relationship of the quality of the output design information to the quality of the input design information in each design work constituting the software development procedure;
Means for calculating the quality of other design information with reference to the quality factor data when predetermined design information is deleted from the software development procedure;
A software development procedure customization support apparatus, comprising: means for searching for other design information that is unnecessary when the predetermined design information is deleted from the software development procedure.

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