TW201516707A - Development system, terminal device, development method, and program - Google Patents

Abstract

A cloud-side system (100) is provided with a project-data repository (122) and a development-environment repository (121). A client terminal (200) is provided with: a primary storage device (240); a development-environment client unit (250) which inputs an offline-migration request for implementing offline migration of communication with the cloud-side system (100); and a project-data duplication unit (213) and a development-environment duplication unit (214) which, in cases when the offline-migration request has been inputted, acquire project data and a development environment from the cloud-side system (100), and store the project data and the development environment in a virtual file system unit (230) of the primary storage device (240). When communication with the cloud-side system (100) is in an offline state, the development-environment client unit (250) inputs development operations from a user, and uses the development environment stored in the virtual file system unit (230) to execute development processing of the project data stored in the virtual file system unit (230).

Description

Development system and terminal device, and development method and program product

The present invention relates to a FA environmental system operating in a network type FA (factory automation) engineering environment. In particular, the FA environment system that can be used even in an offline state.

In the past, the FA engineering environment was provided as a client application and installed on a personal computer (PC) of a programmer.

Large-scale development is generally done by a combination of multiple programmers. However, the personal PC environment is rarely identical, and the obstacles caused by the inconsistency of the personal PC environment occur. In addition, since the source code and the object module of the original product are present in the personal PC, leakage problems also occur.

On the other hand, cloud services have become increasingly popular in recent years, and are in the form of utilizing various services provided by the server side from the client via the network.

Patent Document 1 discloses a technique in which an issue is performed on a server without being executed on a developer's PC.

The content of the development work in Patent Document 1 is executed by the client combining the software elements stored in the repository on the server, and thus the content of the work is considerably limited. Moreover, it must be used in an online state and cannot be used in an offline state.

Advanced technical literature

Patent literature

Patent Document 1: JP-A-2002-278759

In recent years, a networked FA engineering environment has been developed, which divides the FA engineering environment that has been operating on the client PC into a client and a server, and both of them operate through the network. The client unit is a component that is responsible for the function of the user interface in the FA engineering environment, and the server unit is a component that is responsible for editing, translation, and debugging of FA engineering functions.

In such a network type FA engineering environment, it is necessary to install a device program made at a development site on a device that is sent to a production line of a factory actually used by the device. In addition, it is necessary to observe the operation status of the device in which the program is installed, and perform adjustment work at the same time.

In the past FA engineering environment, the client PC has an engineering environment and project data provided by a client application. Therefore, the client PC can be brought to the site to perform the job. However, in this case, the security risk is caused by taking the client PC away.

On the other hand, in a networked FA engineering environment, the client must communicate through the network and the server on the cloud providing the service before it can be used. In general, some of the factories do not have a network environment that can be connected to the cloud environment, and some have no network to use.

Therefore, in the network type FA engineering environment, there may be restrictions on the use in the case of on-site adjustment of the work or the like.

The purpose of the present invention is to expand the network type FA work on the cloud. The scope of use of the process environment. The information processing device is provided so that the networked FA engineering environment can be used safely and surely even in an offline state in which the network environment cannot be utilized.

Further, an object of the present invention is to provide an information processing apparatus capable of maintaining the consistency of a program installed on a device and a program stored in a cloud data repository in the cloud so as to be able to be performed by a plurality of people in recent years. Large-scale development.

It is still another object of the present invention to provide an information processing apparatus capable of maintaining the above-described consistency even when a problem such as a power-off of a client occurs in an offline state.

A development system of the present invention includes: a server device having a development environment for developing a program; and a terminal device communicating with the server device via a network. The server device includes: a program memory unit for developing a development program; and a development environment memory unit for memorizing the development environment. The terminal device includes: a memory device; an input unit for inputting an offline migration request, wherein the offline migration request moves the communication with the server device to the offline; and the storage unit inputs the offline migration request at the input portion, The program storage unit acquires the development program, acquires the development environment from the development environment storage unit, and stores the acquired development program and the development environment in the memory device; the development support unit and the server device; When the communication is offline, the operation for development is input from the user, and based on the input operation for development, the development environment stored in the memory device is used, and the processing device executes the storage in the memory device. The development process of the development program.

According to the communication system of the present invention, the terminal device includes: a storage unit that acquires the development program from the program storage unit when the input unit inputs the offline migration request, and acquires the development environment from the development environment storage unit And storing the developed program and the development environment in the memory device; and the development support unit inputs the operation for development from the user while the communication with the server device is offline, based on The input operation for development described above uses the development environment stored in the memory device, and the processing device executes the development process of the development program stored in the memory device. Therefore, it is possible to safely and surely use the development environment in which the server device operates, not only in the online state, but also in the offline state.

100‧‧‧Cloud side system

110‧‧‧Server

120‧‧‧Cloud side memory machine

121‧‧‧ Development Environment Repository

122‧‧‧Project Data Repository

123‧‧‧User Repository

124‧‧‧Operation History Repository

125‧‧‧ Development Environment Correspondence Table

200‧‧‧Client device

210‧‧‧Offline Transfer Department

211‧‧‧Working Area Management Department

212‧‧‧Connected Extraction Department

213‧‧‧Project Data Copying Department

214‧‧‧ Development Environment Reproduction Department

220‧‧‧Online Reply Department

221‧‧‧Connected Monitoring Department

222‧‧‧Project Information Update Department

223‧‧‧Change Information Notification Department

230‧‧‧Virtual File Systems Division

231‧‧‧Project Information

232‧‧‧ Development Environment

233‧‧‧Offline operation history

240‧‧‧One memory device

250‧‧‧ Development Environment Client

251‧‧‧ Environment client initial screen

252‧‧‧Menu display

2511‧‧‧Operation History Output Department

2521‧‧‧Offline migration

2522‧‧‧ Online reply

253‧‧‧Project tree display

254‧‧‧Ladder Editor

260‧‧‧Project data selection screen

261‧‧‧Check box

262‧‧‧Project ID

263‧‧‧Program ID

264‧‧‧ final update date

270‧‧‧ Development environment selection screen

271‧‧‧Check box

272‧‧‧ Development Environment Project

273‧‧‧ version selection

280‧‧‧Differential plan list screen

281‧‧‧Check box

282‧‧‧Project ID

283‧‧‧Program ID

284‧‧‧Detail button

285‧‧‧OK button (OK button)

290‧‧‧Secondary memory device

291‧‧‧Change information

300‧‧‧ device

400‧‧‧Network

500‧‧‧Environmental supply system

501‧‧‧Environmental supply system

502‧‧‧Environmental supply system

901‧‧‧ arithmetic device

902‧‧‧External memory device

903‧‧‧Main memory device

904‧‧‧Communication device

905‧‧‧Input and output device

Fig. 1 is a view for explaining an outline of an environment providing system 500 according to the first embodiment.

Fig. 2 is a block diagram showing the environment providing system 500 of the first embodiment.

Fig. 3 is a view showing an example of a hardware configuration of the server 110 and the client device 200 according to the first embodiment.

Fig. 4 is a flowchart showing an offline migration process (offline migration procedure) of the offline migration unit 210 of the client device 200 of the first embodiment.

FIG. 5 is a diagram showing an example of the environment client initial screen 251 of the display device of the client device 200 displayed by the development environment client unit 250.

Fig. 6 is a view showing an example of the plan material selection screen 260 of the first embodiment. Figure.

Fig. 7 is a view showing an example of the development environment selection screen 270 of the first embodiment.

FIG. 8 is a flowchart showing the development support processing (development support program) when the development environment client unit 250 of the first embodiment performs offline.

Fig. 9 is a flowchart showing the online reply processing (online reply procedure) of the online replying unit 220 of the first embodiment.

Fig. 10 is a view showing an example of a screen list screen 280 having a difference in the first embodiment.

Fig. 11 is a block diagram showing the environment providing system 501 of the second embodiment.

Fig. 12 is a flowchart showing an offline migration process (offline migration procedure) of the offline migration unit 210 of the client device 200 of the second embodiment.

Fig. 13 shows an example of the operation history repository 124 of the second embodiment.

Fig. 14 is a flowchart showing the development support processing (development support program) when the development environment client unit 250 of the second embodiment executes offline.

Fig. 15 is a view showing an example of the offline operation history 233 of the virtual file system unit 230 of the second embodiment.

Fig. 16 is a flow chart showing the online reply processing (online reply procedure) of the online replying unit 220 of the second embodiment.

Fig. 17 shows an example of the operation history repository 124 after the online reply in the second embodiment.

Fig. 18 is a block diagram showing the environment providing system 502 of the third embodiment.

Figure 19 is a diagram showing execution of the development environment client unit 250 of the third embodiment. Flowchart of development support processing (development support program) when offline.

Fig. 20 shows an example of the change information 261 of the third embodiment.

Fig. 21 is a flow chart showing the online reply processing (online reply procedure) of the online replying unit 220 of the third embodiment.

Fig. 22 is a flowchart showing the online reply processing (online reply procedure) of the online replying unit 220 of the third embodiment, and is a flow subsequent to Fig. 21.

Fig. 23 is a view showing the configuration of the development environment correspondence table 125 of the fourth embodiment.

Embodiment 1

Fig. 1 is a view for explaining an outline of an environment providing system 500 according to the first embodiment. An outline of the environment providing system 500 (development system) will be described using FIG.

The environment providing system 500 is a system that provides a network type FA engineering environment service. The so-called network-based FA engineering environment service uses the cloud-based FA engineering environment service.

The environment providing system 500 includes: a cloud side system 100; and a client device 200 connected to the cloud side system 100 through the network 400.

The cloud side system 100 includes a server 110 that provides an environment for performing an environment such as program development (hereinafter referred to as a development environment), and a cloud side memory device 120, which has a project data, a development environment, and the like. .

The development environment is a general term for a programming language or a development tool such as a compiler or a debugger used to improve the convenience of software production.

The cloud side system 100 may be a device different from the server 110 and the cloud side memory device 120, or may have a cloud side memory device at the server 110. The composition of the device 120. The cloud side system 100 is an example of a server device. The cloud side system 100 is sometimes simply referred to as the cloud.

The planning data is the source code, the object module, the setting file, the design document, and the like. The project data is an example of a development program developed using the development environment. In the development environment, include development tools for program development. Include editors, compilers, debuggers, profilers, etc. in the development tools.

In the development office, the client device 200 and the cloud side system 100 are connected to the online state via the network 400. At this time, the client device 200 executes the development work of the plan data using the development environment provided by the cloud side system 100.

For example, a program for operating in a device 300 installed in a factory is developed.

The client device 200 is moved by the operator from the development premises to the factory. In the factory, the client device 200 is used to perform an on-site adjustment operation such as mounting the device program to the device 300 and operating the device 300 to perform adjustment. This field adjustment operation is performed offline in the factory.

According to the environment providing system 500 of the present embodiment, program development can be performed safely and surely even when the site adjustment operation is executed in an offline state. Therefore, the environment providing system 500 must download the necessary planning materials and the necessary development environment to the client device 200 in advance when moving offline, and upload the updated project data to the site adjustment job when the online response is performed. Cloud side system 100.

Thereby, the FA engineering environment (development environment) operating in the cloud can be moved from the online state to the offline state and executed in the field adjustment work or the like performed in the factory. After that, it is safe and sure to perform the reply to the online state. Synchronous processing.

Fig. 2 is a block diagram showing the environment providing system 500 of the first embodiment. The second diagram schematically shows the configuration of the information processing device (client device 200) having a usage mode when the network type FA engineering environment (development environment) is used in an offline state.

As shown in FIG. 2, the cloud side memory device 120 of the cloud side system 100 includes a development environment repository 121, a plan data repository 122, and a user repository 123. The server 110 is omitted in FIG.

The development environment repository 121 is an example of a development environment memory unit that stores development tools such as an editor, a compiler, a debugger, and an analysis tool.

The plan data repository 122 stores plan data corresponding to the plan. The project data stored in the plan data repository 122 has been developed and is still under development. The plan data repository 122 is an example of a program memory of a memory plan data (program).

The user repository 123 stores user information of the environment providing system 500 (network type FA engineering environment). There are login information, affiliate programs, permission information, etc. in the user information.

The client device 200 has an offline migration unit 210, an online response unit 220, a virtual file system unit 230, a primary memory device 240, and a development environment client unit 250.

The cloud side system 100 and the client device 200 are connected through the network 400.

The development environment client 250 is also referred to as a networked FA engineering environment client. Usually, the user uses the development environment client 250 installed in the client device 200 to develop a plan on the cloud using the development environment on the cloud. material.

The development environment client 250 has a GUI function for providing a development environment (FA engineering environment) to the user. Interface between the development environment client 250 and the user. For example, when the development environment client unit 250 is activated, the development environment client unit 250 authenticates the user, and then displays the environment client initial screen 251 (see FIG. 5) on the display screen of the client device 200, and receives the user from the user. Various requirements.

For example, the development environment client unit 250 is an example of an input unit, and the user inputs an offline migration request requesting that the communication with the cloud side system 100 be moved to the offline.

The offline migration unit 210 includes a work area management unit 211, a connection extraction unit 212, a plan data copy unit 213, and a development environment copy unit 214.

When the development environment client 250 inputs the offline migration request, the offline migration unit 210 is activated.

The connection extracting unit 212 searches the development environment repository 121, the plan data repository 122, and the user repository 123 based on the login information of the user, and displays a list of development environments and a list of plan materials.

The development environment copying unit 214 downloads the development environment selected by the user from the development environment list from the development environment repository 121.

The plan data copying unit 213 downloads the plan data selected by the user from the plan data list from the plan data repository 122.

The work area management unit 211 generates a virtual file system unit 230 (virtual file system) which is a copy destination of the downloaded plan data and the development environment on the primary storage device 240. The primary memory device 240 is the recording of the terminal device Recall one example of a machine.

The development environment copying unit 214 temporarily stores the development environment downloaded from the development environment repository 121 as the development environment 232 in the virtual file system unit 230.

The plan data copying unit 213 temporarily stores the plan data downloaded from the plan data repository 122 as the plan data 231 in the virtual file system unit 230.

The connection extracting unit 212 acquires the plan data from the plan data repository 122, and obtains an example of the storage unit of the development environment from the development environment repository 121. Further, the plan data copying unit 213 and the development environment copying unit 214 are examples in which the acquired plan data and the development environment are stored in the storage unit of the primary storage device 240.

The online response unit 220 includes a connection monitoring unit 221 and a plan data update unit 222.

When the development environment client 250 inputs such that the communication with the cloud side system 100 is returned to the online online reply request, the online replying unit 220 is activated.

The connection monitoring unit 221 is an example of a connection determination unit that determines whether or not communication with the cloud side system 100 is online.

When the connection monitoring unit 221 determines that the communication with the cloud side system 100 is online, the plan data update unit 222 updates the plan data stored in the plan data repository 122 to be stored in the virtual file system unit 230. Project information 231. The plan data update unit 222 is an example of an update unit.

Fig. 3 is a view showing an example of a hardware configuration of the server 110 and the client device 200 according to the first embodiment.

The hardware configuration of the server 110 and the client device 200 will be described using FIG.

The server 110 and the client device 200 are computers, and can be The elements of the server 110 and the client device 200 are implemented.

The hardware of the server 110 and the client device 200 is configured such that the arithmetic unit 901, the external memory device 902, the main memory device 903, the communication device 904, and the input/output device 905 are connected to the bus bar.

The arithmetic unit 901 is a central processing unit (CPU) that executes programs.

The external memory device 902 is, for example, a read only memory (ROM), a flash memory, or a hard disk device.

The main memory device 903 is, for example, a random access memory (RAM).

The communication device 904 is, for example, a communication substrate, and is connected to a local area network (LAN) or the like. The communication device 904 is not limited to being connected to a local area network, and may be connected to an Internet Protocol Virtual Private Network (IP-VPN), a wide area LAN, or a WAN (Wide Area Network) called an ATM (Asynchronous Transfer Mode) network. Or the internet. LAN, WAN, and the Internet are examples of the Internet.

The input/output device 905 is, for example, a mouse, a keyboard, a display device, or the like. You can also use a touch panel, trackpad, trackball, tablet, or other indicator device without using a mouse. The display device may be an LCD (Liquid Crystal Display), a CRT (Cathode Ray Tube), or other display device.

The program is generally stored in the external memory device 902, loaded into the main memory device 903, and read and executed by the computing device 901.

The program is a program for realizing the function described in the "~ section" displayed in the block diagram.

The computer program product (program product) is not limited to the appearance of the object, but is also a program that can be downloaded from a computer readable program.

Further, the external memory device 902 also stores the operating system (OS), and at least a part of the OS is loaded into the main memory device 903, and the computing device 901 executes the OS while executing the "~ part" in the block configuration diagram. The function of the program.

Further, the application program is also stored in the external memory device 902 in advance, and is sequentially executed by the arithmetic device 901 in a state where the main memory device 903 is loaded.

Further, information such as "~table" is also stored in the external storage device 902.

In addition, "decision of ~", "judgment of ~", "extraction of ~", "detection of ~", "setting of ~", "registration of ~", "selection of ~", "production of ~" The information, data, file, signal value, or variable value of the processing result such as "~ input" and "~ output" are stored in the main memory device 903 in the form of a file.

Moreover, the data received by the server 110 and the client device 200 is stored in the main memory device 903.

Alternatively, the encryption key, decryption key, hash value, or parameter may be stored in the main memory device 903 in the form of a file.

In addition, FIG. 3 shows an example of the hardware configuration of the server 110 and the client device 200. The hardware configuration of the server 110 and the client device 200 is not limited to the configuration described in FIG. 3, and may be other configurations. .

Fig. 4 is a flowchart showing an offline migration process (offline migration procedure) of the offline migration unit 210 of the client device 200 of the embodiment.

The program having the functions of each part of the offline transfer unit 210 is stored in the external memory device of the client device 200, and the processing device reads the main memory and executes it.

Offline migration processing is used to move to perform on-site adjustments The execution in the offline state is the processing performed by the offline migration unit 210.

FIG. 5 is a diagram showing an example of the environment client initial screen 251 of the display device of the client device 200 displayed by the development environment client unit 250.

As shown in FIG. 5, the environment client initial screen 251 has a menu display unit 252, a plan tree display unit 253, and a ladder editor unit 254 (ladder editor).

The menu display portion 252 displays various menus. When the user performs offline migration processing, click, touch, or press offline migration 2521. In addition, when the user performs online reply processing, click, touch, or press online reply 2522.

The plan tree display unit 253 displays a plan tree of the plan currently registered in the environment providing system 500.

The ladder editor 254 displays an editor for editing the ladder.

<Input processing (input program): S101>

In S101, the user inputs the login information into the client device 200, and starts the network type FA project environment client (hereinafter referred to as the development environment client unit 250). The client device 200 develops the environment client unit 250 in an online state, and displays the environment client initial screen 251 on the display device. When the user selects the offline migration 2521 from the menu display section 252, the development environment client section 250 accepts the selection of the offline migration 2521 as an offline migration request.

The user inputs the offline migration request, and then moves the client terminal to the site and the like, and performs the on-site adjustment operation in the offline state.

<Storage processing (storage program): S102~S105>

In S102, the connection extracting unit 212 searches the development environment repository 121, the plan data repository 122, and the use by the processing device based on the login information of the user. The repository 123.

For example, in the user repository 123, the user corresponds to the plan ID identifying the plan to which the user belongs. The connection extracting unit 212 searches the user repository 123 based on the login information of the user, and extracts the plan ID of the plan to which the logged-in user belongs. The connected extracting unit 212 searches the plan data repository 122 based on the extracted plan ID, and displays a list of the plan data corresponding to the extracted plan ID on the display device.

Fig. 6 is a view showing an example of a plan material selection screen 260 of the first embodiment. The plan material selection screen 260 displays a check box 261 (check box), a plan ID 262, a program ID 263 for identifying the plan data, and a final update date 264 for each plan data. The program data contains a plurality of programs, so the program ID is used to identify each of the plural programs.

The user selects the necessary plan data by checking the check box 261.

Fig. 7 is a view showing an example of the development environment selection screen 270 of the first embodiment.

For example, in the user repository 123, the user, the plan ID for identifying the plan to which the user belongs, and the development environment used in the plan to which the user belongs are associated with each other. The connection extracting unit 212 searches the user repository 123 based on the login information of the user, and extracts the development environment used in the plan to which the user belongs. The related extraction unit 212 displays a list of the extracted development environments on the development environment selection screen 270.

The development environment selection screen 270 displays a check box 271, a development environment item 272, and a version selection 273.

In the development environment project 272, for example, an editor, a compiler is displayed. The category of the development environment for devices, debuggers, and analysis tools.

In version selection 273, the version is displayed as a drop-down mode for selection.

The user selects the necessary development environment by checking the check box 271. In addition, the user uses version selection 273 to specify the version of the selected development environment.

In S103, the user clicks the OK button (OK button) in a state where the necessary plan data and development environment have been selected.

In S104, the work area management unit 211 generates the virtual file system unit 230 which is the purpose of copying the plan data and the development environment on the primary storage device 240.

When the generation of the virtual file system unit 230 has failed (failed in S104), the offline migration processing is ended.

When the generation of the "virtual file system" is successful (success in S104), S105 is performed.

In S105, the development environment copying unit 214 downloads the development environment selected by the user from the development environment list from the development environment repository 121, and temporarily stores it in the virtual file system unit 230 as the development environment 232. Further, the plan data copying unit 213 downloads the plan data selected by the user from the plan data list from the plan data storage 122, and temporarily stores it as the plan data 231 in the virtual file system unit 230.

Above, the offline migration processing when the offline migration request is input has been explained.

When the offline migration process ends, the user ends the development environment client 250. Next, the user moves the client device 200 to the standby mode or the idle mode. After that, the user moves the client terminal to the site, etc. The field adjustment operation is performed in the line state.

FIG. 8 is a flowchart showing the development support processing (development support program) when the development environment client unit 250 of the present embodiment performs offline.

The program having the function of the development environment client unit 250 is stored in the external memory device of the client device 200, and is read by the processing device into the main memory device and executed.

In S201, in the site (factory), the user device 200 returns the client device 200 from the standby mode or the rest mode.

In S202, the client device 200 and the device 300 are connected, and the connection with the device 300 may not be performed in S202, and the plan data may be installed before the device 300.

In S203, the environment providing system 500 is activated by the user, thereby starting the development environment client unit 250. At this time, the development environment client 250 is activated in the offline mode (S203).

When the development environment client 250 is launched in the offline mode, the environment providing system 500 is activated. However, the development environment client unit 250 moves to the offline mode, so it is connected to the virtual file system unit 230 of the own machine (S204).

In S205 to S206, the development environment client unit 250 inputs an operation for developing project data from the user (hereinafter referred to as a development operation). The development environment client unit 250 executes the development processing of the plan material 231 stored in the virtual file system unit 230 using the development environment 232 stored in the virtual file system unit 230 based on the input operation for development. The development environment client unit 250 is an example of a development support unit.

In S205, the development environment client 250 is based on a development operation, The plan data 231 on the virtual file system unit 230 is turned on.

In S206, the development environment client unit 250 installs the object module stored in the plan data 231 on the device 300 based on the development operation.

In S207, the user performs verification of the operation of the device 300 in which the object module is mounted. When the device 300 operates correctly (successful in S207), the development support process of the development environment client unit 250 ends. When the device 300 does not operate correctly (failed in S207), S208 is performed.

In S208, the development environment client unit 250 supports the execution of the development processing of the plan material 231 using the development environment 232 based on the development operation of the user. Specifically, the development environment client unit 250 performs editing processing, translation processing, and debugging processing of the source code on the plan material 231 based on the development operation of the user. Then, returning to S206, the object module is mounted on the device 300. This job is repeated until the device 300 operates correctly.

As described above, the development support processing of the development environment client unit 250 has been completed.

After the user confirms that there is no problem with the operation of the device 300, the development environment client unit 250 ends. The device 300 is detached from the client device 200 by the user. Next, the client device 200 moves to the standby mode or the idle mode.

Fig. 9 is a flowchart showing the online reply processing (online reply procedure) of the online replying unit 220 of the first embodiment.

The program having the function of each part of the online reply unit 220 is stored in the external memory device of the client device 200, and is read by the processing device into the main memory device and executed.

After the user performs the on-site adjustment work on the spot, he can return to Development premises with internet connection. In the development location, the client device 200 returns from the user input that the communication with the cloud side system 100 is an online online response request, and performs online reply processing based on the input online reply request.

In S301, the client device 200 is connected to the network by the user.

In S302, the user replies the client device 200 from the standby mode or the rest mode.

In S303, the development environment client unit 250 is started by the user. The user inputs the login information into the client device 200 to launch the development environment client 250. At this point, the development environment client 250 is launched in the online mode. The development environment client unit 250 displays the development environment client initial screen 251 on the display device.

In S304, when the user selects the online reply 2522 from the menu display unit 252, the development environment client unit 250 accepts the selection of the online reply 2522 as an online reply request.

In S306, the connection monitoring unit 221 of the online replying unit 220 determines whether or not the communication between the client terminal and the cloud side system 100 is online by the processing device.

When the connection monitoring unit 221 determines that it is online (YES in S305), it proceeds to S306.

When the connection monitoring unit 221 determines that it is offline (NO in S305), S305 is repeated until it is online. Here, the timeout may be set for the processing of the connection monitoring unit 221.

In S306, the plan data update unit 222 compares the virtual of the machine. The plan data 231 stored in the file system unit 230 and the plan data stored in the plan data repository 122 of the cloud side system 100. The plan data update unit 222 compares the time stamp, size, and content of each of the two plan data by the processing device.

When the plan data update unit 222 determines that there is no difference (no difference in S306), the process proceeds to S309.

When the plan data update unit 222 determines that there is a difference (there is a difference in S306), the process proceeds to S307.

In S307, when the plan data update unit 222 determines that there is a difference, the list of the differences is displayed on the display device as the difference plan list screen 280.

Fig. 10 is a view showing an example of a screen list screen 280 having a difference in the first embodiment. For each plan data, a check box 281 (check box), a plan ID 282, a program ID 283, a detail button 284, and a OK button (OK button) are displayed.

The user selects the program ID 283 to refer to the difference plan data by checking the check box 281. The details of the difference are displayed by clicking the detail button 284 of the program ID 283 of each plan data.

In S308, the user confirms the content of the difference and clicks the OK button (OK button) 285, whereby the plan data update unit 222 updates the plan data stored in the plan data repository 122 of the cloud side system 100 to The plan data 231 stored in the virtual file system unit 230. That is, the plan data repository 122 of the cloud side system 100 is synchronized with the plan data 231 of the virtual file system unit 230.

In S309, the online replying unit 220 calls the work area management unit. 211. The virtual file system unit 230 created in the primary memory device 240 is deleted. As described above, at the time when the synchronization is completed, the work area management unit 211 deletes the virtual file system unit 230, thereby deleting the plan data 231 and the development environment 232, and preventing leakage.

As described above, the online reply processing (online reply procedure) of the online replying unit 220 is completed.

After that, the development environment client unit 250 moves to the online mode, so that it is possible to develop the plan data while communicating with the cloud side system 100.

According to the present embodiment, the "network type FA engineering environment" that operates in the cloud can be used not only in an online state but also in an offline state in which the network is not available or the network cannot be used. The scope of application of the FA Engineering Environment has become wider.

Further, after the on-site adjustment work is performed on the site, when there is no problem in the operation of the confirmation device 300, the plan data is installed in the device 300 of the site (factory). According to the present embodiment, the synchronization processing of the plan data is performed from the offline return to the online state, so that there is no difference between the data on the device and the data on the cloud.

Embodiment 2

In the present embodiment, the difference from the first embodiment will be mainly described.

Fig. 11 is a block diagram showing the environment providing system 501 of the second embodiment.

The ninth embodiment corresponds to the second embodiment described in the first embodiment, and the components having the same functions as those of the components in the second embodiment are denoted by the same reference numerals, and their description is omitted.

Environment providing system 501 shown in Fig. 11 except for embodiment 1 In addition to the environment providing system 500 of FIG. 2 described above, the cloud side system 100 further includes an operation history repository 124.

In the client device 200, the development environment client unit 250 has an operation history output unit 2511. Further, the online response unit 220 has a change information notification unit 223. In the memory device 240, the work area management unit 211 secures the work area of the offline operation history 233 for storing the operation history at the time of offline.

Generally, the user uses the development environment client unit 250 (network type FA engineering environment) installed in the client device 200, and utilizes the development environment and project data of the cloud side system 100 in an online state. The operation history output unit 2511 of the online environment development environment client unit 250 outputs the online time operation history to the operation history repository 124 of the cloud side system 100.

The operation history repository 124 is an example of an operation history storage unit that stores an online time operation performed by the client device 200 on the plan data stored in the plan data storage 122 as an online operation history.

When the development process of the plan data 231 stored in the virtual file system unit 230 of the primary storage device 240 (memory device) is executed, the development environment client unit 250 (development support unit) is executed. The offline operation performed is accumulated in the primary memory device 240 as the offline operation history 233. The operation history output unit 2511 is an example of an operation history storage unit.

The change information notification unit 223 adds the operation history output unit 2511 to the offline operation history 233 of the primary storage device 240, and adds it to the online operation history stored in the operation history storage 124. The change information notification unit 223 is an example of a history addition unit.

Figure 12 is a diagram showing the offline operation of the client device 200 of the second embodiment. A flowchart of the offline migration processing (offline migration procedure) of the migration unit 210.

Fig. 12 is a fourth view corresponding to the first embodiment. In Fig. 12, the difference from Fig. 4 is that S402 and S407 are added.

In S401, when the user selects the offline migration 2521 from the menu display unit 252 of the environment client initial screen 251 (see FIG. 5), the development environment client unit 250 receives the selection of the offline migration 2521 as an offline migration request. The processing of S401 is the same as the processing of S101 of Fig. 4.

In S402, the operation history output unit 2511 of the development environment client unit 250 outputs the offline migration start to the operation history repository 124 of the cloud side system 100.

The processing of S403 to S406 is the same as the processing of S102 to S105 of Fig. 4 . In other words, in S406, the development environment copying unit 214 downloads the development environment selected by the user from the development environment selection screen 270 from the development environment repository 121, and temporarily stores it in the virtual file system unit 230 as the development environment 232. . Further, the plan data copying unit 213 downloads the plan data selected by the user from the plan data list from the plan data storage 122, and temporarily stores it as the plan data 231 in the virtual file system unit 230.

In S407, the operation history output unit 2511 of the development environment client unit 250 outputs the offline migration completion to the operation history repository 124 of the cloud side system 100.

Fig. 13 shows an example of the operation history repository 124 of the second embodiment. The operation history repository 124 is provided with items such as the time of day, the user ID, the plan ID, the program ID, the device ID, and the type of operation.

The online migration start output by the operation history output unit 2511 in S402, and S407 The online migration completion outputted by the middle operation history output unit 2511 is recorded as the operation history.

Above, the offline migration processing when the offline migration request is input has been explained.

The processing after the offline migration processing is completed is the same as the processing described in the first embodiment. That is, the user ends the development environment client 250. Next, the user moves the client device 200 to the standby mode or the idle mode. After that, the user moves the client terminal to the site and the like, and performs an on-site adjustment job in an offline state.

Fig. 14 is a flowchart showing the development support processing (development support program) when the development environment client unit 250 of the second embodiment executes offline.

Fig. 14 corresponds to Fig. 8 described in the first embodiment. In Fig. 14, the difference from Fig. 8 is that S507 and S510 are added.

The processing of S501 to S506 is the same as the processing of S201 to S206 of Fig. 8. The outline of the processing of S501 to S506 is shown below. At the site, the client device 200 replies from the standby mode or the rest mode according to the user's operation. The client device 200 and the device 300 are connected by the user. In the client device 200, the development environment 232 of the virtual file system unit 230 is activated by the user.

The development environment client unit 250 moves to the offline mode, so it is connected to the virtual file system unit 230 of the own machine. Next, the user uses the development environment client unit 250 to open the plan data 231 in the virtual file system unit 230, and installs the object module in the plan data 231 in the device 300.

In S507, the operation history output unit 2511 installs the module on the offline operation history 233 of the virtual file system unit 230.

The processing of S508 to S509 is the same as the processing of S207 to S208 of Fig. 8. That is, in S508, the user performs verification of the operation of the apparatus 300 in which the object module is mounted. When the device 300 operates correctly (success in S508), the development environment client portion 250 is ended. When the device 300 does not operate correctly (failed in S508), then S509 is performed.

In S509, the development environment client unit 250 supports the development processing of the plan data 231 using the development environment 232 based on the development operation of the user. Specifically, the development environment client unit 250 performs editing processing, translation processing, and debugging processing of the source code on the plan material 231 based on the development operation of the user.

In S510, the operation history output unit 2511 outputs the history of each operation executed in S509 to the offline operation history 233 of the virtual file system unit 230. The operation history output unit 2511 outputs an operation of opening, closing, editing, translating, debugging, and the like to the offline operation history 233 of the virtual file system unit 230.

Then, returning to S506, the object module on which the development has been performed is mounted to the device 300. This job is repeated until the device 300 operates correctly.

Fig. 15 is a view showing an example of the offline operation history 233 of the virtual file system unit 230 of the second embodiment.

The configuration of the offline operation history 233 is the same as the configuration of the operation history repository 124 of Fig. 13 . In the offline operation history 233, the history of the operation performed on the plan data 231 in the virtual file system unit 230 at the time of offline is recorded.

As described above, the development support processing of the development environment client unit 250 of the present embodiment has been described.

The subsequent processing is the same as that described in the first embodiment. That is, by use After confirming that there is no problem with the operation of the device 300, the development environment client unit 250 ends. The device 300 is detached from the client device 200 by the user. Next, the client device 200 moves to the standby mode or the idle mode.

Fig. 16 is a flow chart showing the online reply processing (online reply procedure) of the online replying unit 220 of the second embodiment.

Fig. 16 is a ninth diagram corresponding to the first embodiment. In Fig. 16, the difference from Fig. 9 is that S604a, S609~S610, and S612 are added.

The processing of S601 to S604 is the same as that of S301 to S304 of the ninth embodiment described in the first embodiment, and thus the description thereof will be omitted.

In S604a, the operation history output unit 2511 of the development environment client unit 250 outputs an online response start to the operation history repository 124 of the cloud side system 100.

The processing of S605 to S608 is the same as that of S305 to S308 of Fig. 9 described in the first embodiment, and therefore the description thereof will be omitted.

In S609, the change information notification unit 223 adds the offline operation history 233 stored in the virtual file system unit 230 to the operation history repository 124 of the cloud side system 100. The change information notification unit 223 merges (copyes) the offline operation history 233 to the operation history repository 124.

In S610, the operation history output unit 2511 completes the synchronization of the output of the plan data to the operation history repository 124 of the cloud side system 100.

The processing of S611 is the same as the processing of S309. That is, at the time when the synchronization is completed, the call job area management unit 211 deletes the virtual file system unit. As described above, at the time when the synchronization is completed, the work area management unit 211 deletes the virtual file system unit 230, whereby the plan data 231 and the development environment 232 are deleted, and it is possible to prevent Stop leaking.

Then, in S612, the operation history output unit 2511 of the development environment client unit 250 outputs the online response completion to the operation history repository 124 of the cloud side system 100.

As described above, the online reply processing (online reply procedure) by the online replying unit 220 has been described.

Fig. 17 shows an example of the operation history repository 124 after the online reply in the second embodiment.

In the operation history repository 124 of Fig. 17, the operation history of the A range is the operation history stored during the offline migration processing. The operation history of the B range is the operation history stored in the offline operation history 233 of the offline file system unit 230, which is added during the online reply process. The operation history of the A range is the operation history that is memorized during the online reply processing.

After that, the development environment client unit 250 moves to the online mode, so that it is possible to develop the plan data while communicating with the cloud side system 100.

According to the environment providing system 501 of the present embodiment, the user refers to the operation history repository 124 of the cloud side system 100 from the development environment client unit 250, and can understand the state of the plan data. That is, by operating the history repository 124, it is known whether or not there is operation on the plan data, and it is possible to know whether the plan data of the device 300 and the plan data of the plan data repository 122 of the cloud side system 100 have difference. Thereby, it is possible to maintain the consistency of the planning capital and to use it more safely.

In addition, according to the present invention, in the recent large-scale development by a plurality of people, the cloud data storage library can be viewed from the cloud. The state of the program on the program and the factory's device, while maintaining the consistency of both parties.

Embodiment 3

In the present embodiment, the differences from the first and second embodiments will be mainly described.

Fig. 18 is a block diagram showing the environment providing system 502 of the third embodiment.

Fig. 18 corresponds to the eleventh embodiment of the second embodiment, and the components having the same functions as those of the components of the eleventh embodiment are denoted by the same reference numerals, and their description is omitted.

The environment providing system 502 shown in Fig. 18 has a secondary memory device 290 in addition to the block configuration of the environment providing system 501 of Fig. 11 described in the second embodiment.

The primary memory device 240 is a volatile memory such as a RAM, but the secondary memory device 290 is a non-volatile memory such as a hard disk.

As described in the second embodiment, when the operation history output unit 2511 is online, the online operation history is output to the operation history repository 124 of the cloud side system 100. Further, when offline, the operation history output unit 2511 accumulates the offline operation in the primary storage device 240 as the offline operation history 233.

In the present embodiment, the operation history output unit 2511 further has a function of storing only the specific change information in the secondary storage device 290 as the change information 291 in the offline operation history. The specific change information is, for example, information written (installed) to the device 300. Therefore, the operation history output unit 2511 does not write information written to the device 300 in the offline operation history. It is stored in the secondary memory device 290 as the change information 291 only in the primary memory device 240.

Further, in the above-described embodiment, the change information notifying unit 223 has a function of reflecting the change information 291 of the secondary storage device 290 in the cloud side system 100 when the virtual file system unit 230 does not have the offline operation history 233. Operation history repository 124.

Next, the operation of the environment providing system 502 of the present embodiment will be described.

The transition from online to offline is the same as that described in the second embodiment, and thus the description thereof is omitted here.

FIG. 19 is a flowchart showing the development support processing (development support program) when the development environment client unit 250 of the third embodiment executes offline.

In Fig. 19, S701 to S707 are the same as the processing of S501 to S507 in Fig. 14, and therefore the description thereof will be omitted.

In S708, the operation history output unit 2511 determines whether or not the information stored as the offline operation history 233 is stored and written to the device 300. When the device 300 is written (YES in S708), S710 is performed. When the device 300 is not written (NO in S708), S711 is performed.

In S710, the operation history output unit 2511 stores the information of the writing device 300 in the primary storage device 240 and the secondary storage device 290. The operation history output unit 2511 stores the information of the writing device 300 in the primary storage device 240 as the offline operation history 233, and stores it in the secondary storage device 290 as the change information 291.

Fig. 20 shows an example of the change information 291 of the third embodiment.

The configuration of the change information 291 is the same as the configuration of the offline operation history 233. As shown in FIG. 20, in the change information 291, only the information on the installation operation of the device 300 is stored.

S711 to S712 are the same as the processes of S508 to S509 in Fig. 14, and thus the description thereof is omitted here.

In S713, the operation history output unit 2511 outputs the history of each operation executed in S509 to the offline operation history 233 of the virtual file system unit 230.

In S714, the operation history output unit 2511 determines whether or not the information stored in the offline operation history 233 is written in the device 300 by the processing device. When the device 300 is written (YES in S714), S715 is performed. When the device 300 is not written (NO in S714), the process returns to S706, and the process is repeatedly executed until the device operates correctly in S711.

In S715, the operation history output unit 2511 stores the information of the writing device 300 in the primary storage device 240 and the secondary storage device 290, returns to S706, and repeats the execution of the processing until the device operates correctly in S711.

The operation history output unit 2511 stores the information of the writing device 300 in the primary storage device 240 as the offline operation history 233, and stores it in the secondary storage device 290 as the change information 291.

As described above, the development support processing of the development environment client unit 250 of the present embodiment has been described.

The subsequent processing is the same as that described in the first and second embodiments. That is, after the user confirms that there is no problem with the operation of the device 300, the development environment client unit 250 ends. The device 300 is detached from the client device 200 by the user. Next, the client device 200 moves to the standby mode or the idle mode.

Figure 21 is a diagram showing the online replying unit 220 of the third embodiment. Flowchart for reply processing (online reply procedure). Fig. 22 is a flowchart showing the online reply processing (online reply procedure) of the online replying unit 220 of the third embodiment, and is a flow subsequent to Fig. 21.

In Fig. 21, the processes of S801 to S805 and S601 to S605 of Fig. 16 are the same, and the description thereof is omitted here.

In the case of YES in S805, that is, when the connection monitoring unit 221 confirms that the client device 200 is in the online state, the process proceeds to S805a.

In S805a, the plan data update unit 222 checks whether the plan data 231 and the offline operation history 233 in the virtual file system unit 230 of the own device are present.

When the plan data update unit 222 confirms that the plan data 231 and the offline operation history 233 exist (there is a presence in S805a), the process proceeds to S806.

When the plan data update unit 222 confirms that the plan data 231 and the offline operation history 233 do not exist (S805a does not exist), S805b is performed.

In Fig. 21, the processes of S806 to S810 and S606 to S610 of Fig. 16 are the same, and thus the description thereof is omitted here.

The plan data update unit 222 confirms that the plan data 231 and the offline operation history 233 do not exist, that is, a problem such as a power off occurs. When a problem such as a power-off occurs, the contents of the primary memory device 240, which is a volatile memory, may disappear. However, since the secondary memory device 290 is a non-volatile memory device, its information is retained.

In S805b, the change information notification unit 223 reflects the change information 291 of the secondary storage device 290 in the operation history repository 124 of the cloud side system 100, and proceeds to S805c.

In S805c, the change information notification unit 223 operates the cloud side system 100. If the history data store 124 outputs the plan data cannot be synchronized, the process proceeds to S811.

S811 is the same as the processing of S611 of Fig. 16, and the processing of S812 is the same as that of S612 of Fig. 16, and the description thereof is omitted here.

In S805d, the development environment client unit 250 deletes the change information 291 of the secondary storage device 290.

Thereafter, the development environment client 250 can communicate with the server on the cloud and develop because it moves to the online mode. In addition, only the data of the consistency of the plan data is stored in the secondary device, and can be reliably reflected in the operation history repository 124 in the cloud, so that it can be used more safely.

According to the environment providing system 502 of the present embodiment, even if a problem such as power-off occurs, the minimum information necessary to maintain the above-described consistency can be reflected in the cloud, so that the consistency of both can be maintained.

Embodiment 4

In the present embodiment, the differences from the first to third embodiments will be mainly described.

Fig. 23 is a view showing the configuration of the development environment correspondence table 125 of the fourth embodiment. In the present embodiment, the components having the same functions as those of the components of the first to third embodiments are denoted by the same reference numerals, and the description thereof will be omitted.

In the first to third embodiments, in the offline migration processing, the development environment downloaded from the cloud side system 100 is selected by the user. In other words, the development environment copy unit 214 downloads the development environment selected by the user from the development environment selection screen 270 from the development environment repository 121.

In the embodiment described in the present embodiment, when the user selects the plan data from the plan material selection screen 260, the automatic download corresponds to the selected item. The development environment of the selected project data.

In the present embodiment, the cloud side memory device 120 further includes a development environment correspondence table 125.

As shown in FIG. 23, in the development environment correspondence table 125, the program ID for identifying the plan data, the plan ID of the recognition plan, and the development environment ID defining the development environment correspond to each other. Among the development environment IDs are, for example, an editor ID, a compiler ID, a debugger ID, an analysis tool ID, and the like. In addition, it is also possible to include an ID of a specified program language or the like. The development environment ID that defines the development environment is, for example, the version information of the development tool.

The development environment correspondence table 125 updates the development environment ID by the user when the user develops the plan data and writes the plan data to the plan data repository 122.

In the offline migration processing, the plan data copying unit 213 acquires the program ID of the plan data selected from the plan material selection screen 260, and searches the development environment correspondence table 125 based on the acquired program ID.

The plan data copying unit 213 acquires the development environment ID corresponding to the acquired program ID. The plan data copying unit 213 outputs the acquired development environment ID to the development environment copying unit 214.

The development environment copy unit 214 downloads the development environment corresponding to the development environment ID input from the plan data copy unit 213 from the development environment repository 121. The development environment copying unit 214 records the downloaded development environment in the virtual file system unit 230.

As described above, according to the present embodiment, when the user selects the plan data from the plan material selection screen 260 while offline, the development environment is automatically downloaded to the virtual file system unit 230. Thereby, it is possible to achieve a more convenient environment. For the system.

Although the embodiments of the present invention have been described above, two or more of these embodiments may be combined. Alternatively, some of these embodiments may be implemented. Alternatively, two or more of these embodiments may be combined and implemented. Furthermore, the present invention is not limited to the embodiments, and various modifications can be made as needed.

The block configuration of the environment providing system 500, the environment providing system 501, the cloud side system 100 of the environment providing system 502, and the client device 200 described in the first to third embodiments is not limited to the configuration of the above embodiment. These functional blocks may be combined with the environment providing system 500, the environment providing system 501, and the environment providing system 502 in other combinations. That is, modifications or substitutions of the above embodiments may be made by those skilled in the art without departing from the scope of the invention. For example, the mechanism of the offline transfer unit and the online reply unit is provided on the client terminal side, but the present invention can also be implemented by installing a part thereof on the server side. In short, the present invention is disclosed by way of example, and the configuration thereof is not limited to these embodiments, and various modifications can be made as needed.

S101~S105‧‧‧Steps

Claims (9)

A development system comprising: a server device having a development environment for developing a program; and a terminal device communicating with the server device via a network; wherein the server device comprises: a program memory portion of a development program for memory development And a development environment memory unit of the development environment; wherein the terminal device comprises: a memory device; an input unit for inputting an offline migration request, the offline migration request moves the communication with the server device to an offline; and the storage unit is When the input unit inputs the offline migration request, the development program is acquired from the program storage unit, and the development environment is acquired from the development environment storage unit, and the acquired development program and the development environment are stored in the memory. The development support unit inputs an operation for development from the user while the communication with the server device is offline, and uses the operation stored in the memory device based on the input operation for development. In the development environment, the processing device executes development processing of the development program stored in the memory device. The development system of claim 1, wherein the terminal device further comprises: a connection determining unit, when the input unit inputs the communication with the server device to be an online online response request, the processing device Judgment and the servo Whether the communication of the device is online or not, and the update unit, when the connection determination unit determines that the communication with the server device is online, updating the development program stored in the program storage unit to be stored in the The development program in the memory machine. The development system of claim 2, wherein the server device further comprises: an operation history storage unit, wherein the development program stored in the program memory unit is executed by the terminal device when online The operation memory is an online operation history; the terminal device includes an operation history storage unit that performs an online operation of the development program by the development support unit when the development process of the development program stored in the memory device is executed. The online operation history is stored in the memory device, and the terminal device further includes a history adding unit that adds the online operation history accumulated in the memory device by the operation history storage unit to the operation history storage unit. The online time operation history in the middle. The development system according to claim 3, wherein the terminal device further includes a non-volatile terminal side memory device, and the operation history storage unit stores the online time operation as an online time operation history in the memory device. And the part of the online time operation is stored as the change information in the terminal side memory device, and the history addition unit stores the online time operation history when the operation history storage unit does not store the online operation history. The change in the terminal side memory device More information is added to the online time operation history stored in the operation history storage unit. A terminal device that communicates with a server device via a network, the server device includes a program memory portion of a development program for memory development, and a development environment memory portion that memorizes a development environment for developing the development program, wherein the terminal device The method includes: a memory device; an input unit for inputting an offline migration request, wherein the offline migration request moves the communication with the server device to the offline; and the storage unit inputs the offline migration request from the input unit, and the program memory unit Obtaining the development program, obtaining the development environment from the development environment storage unit, and storing the acquired development program and the development environment in the memory device; and developing the support unit to communicate with the server device offline In the state of the user, the operation for development is input from the user based on the input operation for development, and the development environment stored in the memory device is used, and the development device stored in the memory device is executed by the processing device. The development of the program. The terminal device according to claim 5, further comprising: a connection determining unit, wherein when the input unit inputs the communication with the server device to be an online online response request, the processing device determines the servo Whether the communication of the device is online or not, and the update unit determines that the communication program stored in the program storage unit is further changed when the connection determination unit determines that the communication with the server device is online. New to remember the development program in the memory machine. The terminal device according to claim 6, wherein the server device further includes: an operation history storage unit, wherein the development program stored in the program memory unit is executed by the terminal device when online The operation memory is an online operation history; the terminal device includes an operation history storage unit that performs an online operation of the development program by the development support unit when the development process of the development program stored in the memory device is executed. The online operation history is stored in the memory device, and the update unit of the terminal device further includes a history adding unit that adds the offline operation history stored in the memory device by the operation history storage unit to the memory. The online time operation history in the operation history storage unit. A development method is a method for developing a terminal device, wherein the terminal device includes a processing device and a memory device, and communicates with a server device through a network, the server device includes a program memory portion of a development program for memory development, and Memorizing a development environment storage unit for developing a development environment of the development program, the development method comprising: the processing device, when inputting an offline migration request for moving communication with the server device to an offline, obtaining the offline migration request from the program storage unit The development program acquires the development environment from the development environment storage unit, and stores the acquired development program and the development environment in the memory device; and the processing device communicates with the server device offline State Inputting the operation for development from the user, based on the input operation for development, using the development environment stored in the memory device, and executing, by the processing device, development processing of the development program stored in the memory device . A program product for causing a terminal device of a computer to perform processing for communicating with a memory device via a network and a server device, wherein the server device includes a program memory of a development program developed by the memory And a development environment storage unit for developing a development environment of the development program, the process comprising: storing processing, when inputting an offline migration request for making communication with the server device to offline, from the program storage unit Obtaining the development program, obtaining the development environment from the development environment storage unit, storing the acquired development program and the development environment in the memory device, and developing support processing, and communicating with the server device In an offline state, an operation for development is input from a user, and based on the input operation for development, the development environment stored in the memory device is used, and the processing device executes the storage in the memory device. Development process development of the program.