JPH0792788B2 - Transaction message output control method - Google Patents

Description

The present invention relates to a transaction message output control system, and more particularly to a transaction message output control system in a transaction processing system.

[Conventional technology]

Conventionally, in this type of transaction message output control method, when a large amount of output messages (messages of transaction processing results output to the terminal device) occur, the output message storage area becomes insufficient and the output messages cannot be stored. , The request to send the output message from the application program to the terminal device (hereinafter referred to as the output message sending request) is rejected.

In this case, the application program guarantees the output message by repeating the output message transmission request until the output message transmission request is accepted, or by temporarily saving the output message in a file.

[Problems to be Solved by the Invention]

In the conventional transaction message output control method described above, the output message transmission request from the application program is rejected when the output message storage area is insufficient. If it is not dealt with, there is a drawback that output messages are lost, which becomes a serious obstacle in transaction processing.

Further, in order to guarantee the output message, it is necessary to add a process for guaranteeing the output message to all the application programs, so that there is a drawback that the man-hours for creating the program and the program resources are increased.

In view of the above points, an object of the present invention is to avoid loss of an output message by preventing a situation where an output message storage area is insufficient and not rejecting an output message transmission request from an application program. Another object of the present invention is to provide a transaction message output control method that prevents the increase of program creation man-hours and program resources by eliminating the need to add processing to an application program to guarantee output messages.

[Means for Solving the Problems]

The transaction message output control method of the present invention is
A transaction processing system in which a transaction processing request message requesting transaction processing is input from a terminal device connected via a communication line, an application program is executed, and an output message of a transaction processing result is output to the terminal device. Message input means for receiving a transaction processing request message input from the above and registering it in the transaction schedule queue for each task in the input message storage area, and a transaction processing request message is registered in the transaction schedule queue by this message input means Output message that stores the load information that indicates the load status of the output message storage area when the specified time elapse notification from the timer function is received Storage area If the output message storage area is not overloaded by referring to the load information area, one registered transaction processing request message is taken out from the transaction schedule queue and passed to the transaction execution control means. Is an overload state, the transaction schedule means for temporarily stopping the retrieval of the registered transaction processing request message from the transaction schedule queue and activating the timer function by designating the time interval, and the transaction schedule means If the specified time interval has elapsed, the timer function for notifying the transaction scheduling means of the specified time elapses, and the transaction processing passed from the transaction scheduling means. Transaction execution control means for activating a task that should process a request message, passing a transaction processing request message to an application program, controlling execution of the application program, and passing an output message from the application program to message output means, and the transaction execution control The message output means for deleting the output message from the output message storage area when the output message passed from the means is registered in the output message storage area and then transmitted to the terminal device to confirm that the terminal device has reached the terminal device; And an output message storage area monitoring means for monitoring the load status of the output message storage area and storing the load information in the output message storage area load information area.

[Action]

In the transaction message output control system of the present invention, the message input means receives the transaction processing request message input from the terminal device and registers it in the transaction schedule queue for each task in the input message storage area, and the transaction schedule means sends the message. An output message storage area that stores load information indicating the load state of the output message storage area when a transaction processing request message is registered in the transaction schedule queue by the input means and when a specified time elapse notification is received from the timer function. If the output message storage area is not overloaded by referring to the load information area, retrieve one registered transaction processing request message from the transaction schedule queue. If the output message storage area is overloaded to the transaction execution control means, the fetching of the registered transaction processing request message from the transaction schedule queue is temporarily stopped, the time interval is specified, and the timer function is activated. When the function has passed the specified time interval from the transaction scheduling means, the function notifies the transaction scheduling means of elapse of the specified time, and the transaction execution control means activates the task that should process the transaction processing request message passed from the transaction scheduling means. And pass the transaction processing request message to the application program to control the execution of the application program and output the output message from the application program as a message. When the message output means registers the output message passed from the transaction execution control means in the output message storage area and then sends it to the terminal device and confirms that it has reached the terminal device, deletes it from the output message storage area. Then, the output message storage area monitoring means monitors the load state of the output message storage area and stores the load information in the output message storage area load information area.

〔Example〕

 Next, the present invention will be described in detail with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of a transaction processing system 20 to which the transaction message output control system of one embodiment of the present invention is applied. This transaction processing system 20 is connected to a terminal device 1 via a communication line, and has a message input means 2, an input message storage area 3, a transaction schedule means 4, an output message storage area load information area 5, Transaction execution control means 6, application program 7, message output means 8, output message storage area 9, output message storage area monitoring means 10,
It is composed of a timer function 11.

Referring to FIG. 2, the processing in the transaction schedule means 4 is performed by referring to an output message storage area load information area reference step 41, an overload state determination step 42, a registered input message extraction step 43, and a transaction execution control means activation step. 44, a timer function activated step 45, a timer function activated step 46,
It comprises a designated time elapse notification receiving step 47.

Referring to FIG. 3, output message storage area monitoring means
The process in 10 is the output message storage area reference step 101, the output message storage area free state determination step 102, the output message storage area load information area overload state presentation load information setting step 103, and the output message storage area load information area. And a non-overload state presentation load information setting step 104.

Next, the operation of the transaction message output control system of this embodiment configured as described above will be described.

When a transaction processing request message requesting transaction processing is input from the terminal device 1, the message input means 2 receives the transaction processing request message and registers it in the transaction schedule queue for each task in the input message storage area 3. Then (hereinafter, the transaction processing request message registered in the transaction queue for each task is referred to as a registered input message), and the transaction schedule means 4 is activated.

The transaction schedule means 4 started by the message input means 2 refers to the output message storage area load information area 5 (step 41) and stores the output message according to the load information stored in the output message storage area load information area 5. It is determined whether or not the load state of the area 9 is the overload state (step 42). If it is not overloaded, the transaction schedule means 4 extracts one registered input message from the transaction schedule queue for each task (step 43), activates the transaction execution control means 6 and passes the registered input message. (Step 44), control is returned to step 41.

If it is determined in step 42 that the task is overloaded, the transaction scheduling means 4 has started the timer function 11 (the timer function 11 is started for each task) of the task for which the registered input message should be transaction-scheduled. Is determined (step 45),
After starting the timer function 11 by specifying the time interval only when the timer function 11 of the corresponding task is not started (step
46), and ends the process. As a result, the registered input message is not taken out from the transaction schedule queue, and the transaction schedule by the transaction schedule means 4 is temporarily stopped. Therefore, since the execution of the application program 7 is suppressed, the output message is not generated, and the overloaded state of the output message storage area 9 is released with the passage of time.

The timer function 11 activated by the transaction scheduling means 4 sends a designated time elapse notification to the transaction scheduling means 4 when the designated time has elapsed.

The transaction schedule means 4 has a timer function 11
If the specified time elapsed notification is received from (step 4
7), processing is performed from step 41. Therefore, the output message storage area load information area 5 is referred to (step 4
1) The load status of the output message storage area 9 is judged (step 42), and if not overloaded, the transaction schedule is restarted.

On the other hand, the transaction execution control means 6 activated by the transaction scheduling means 4 activates the task that should process the registered input message passed from the transaction scheduling means 4, passes the registered input message to the application program 7, and the application The execution control of the program 7 is performed, and the output message for the terminal device 1 which is the transaction processing result by the application program 7 is passed to the message output means 8.

Upon receiving the output message from the transaction execution control means 6, the message output means 8 registers the output message in the output message storage area 9 and sends it to the terminal device 1. After that, when confirming that the output message has reached the terminal device 1, the message output means 8 deletes the corresponding output message from the output message storage area 9.

The output message storage area monitoring means 10 is activated by the message output means 8 after the message output means 8 stores and deletes the output message in the output message storage area 9, and monitors the load state of the output message storage area 9.

That is, the output message storage area monitoring means 10 activated by the message output means 8 refers to the output message storage area 9 (step 101) and determines whether the output message storage area 9 has a free space of M% or less. (Step
102). If the free space is M% or less, the output message storage area monitoring unit 10 outputs the output message storage area load information area 5
The load information indicating that the output message storage area 9 is in the overloaded state is set in (step 103), and the process is terminated. If the free space is not less than M%, the output message storage area monitoring means 10 sets load information indicating that the output message storage area 9 is not overloaded in the output message storage area load information area 5 (step 104),
The process ends.

The value of M is determined as follows.

If the output message storage area 9 is composed of a certain size area and one area is used for one output message, Becomes

M is a value that guarantees an output message transmission request from the application program 7 that is already being executed by all the tasks when the output message storage area monitoring unit 10 determines that the output message storage area 9 is overloaded. Is.

In this way, the free space in the output message storage area 9 is M
% (When the output message storage area 9 is overloaded), the transaction schedule is temporarily stopped until the free space of the output message storage area 9 is recovered to M% or more, and the output message storage area 9 Since it is possible to avoid a situation where the output message transmission request from the application program 7 is rejected, it is possible to eliminate the denial.

〔The invention's effect〕

As described above, according to the present invention, instead of rejecting the output message transmission request from the application program when the output message storage area is insufficient, a new transaction schedule is temporarily stopped to suppress the execution of the application program. By doing so, when the output message storage area becomes overloaded, the application program no longer makes a request to send an output message, so all application programs reject a request to send an output message. This eliminates the need to perform the process of 1, and has the effect of reducing the number of program creation steps and program resources.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of a transaction processing system to which the transaction message output control method of one embodiment of the present invention is applied, FIG. 2 is a flow chart showing the processing in the transaction scheduling means in FIG. 1, and FIG. The figure is a flow chart showing the processing in the output message storage area monitoring means in FIG. In the figure, 1 ... Terminal device, 2 ... Message input means, 3 ... Input message storage area, 4 ... Transaction scheduling means, 5 ... Output message storage area Load information area, 6 ... Transaction execution control means, 7 ... Application program, 8 ... Message output means,
9 ... Output message storage area, 10 ... Output message storage area monitoring means, 11 ... Timer function, 20 ... Transaction processing system.

Claims (1)

[Claims] 1. A transaction processing system for inputting a transaction processing request message for requesting transaction processing from a terminal device connected via a communication line, executing an application program, and outputting an output message of a transaction processing result to the terminal device. A message input means for receiving a transaction processing request message input from the terminal device and registering it in a transaction schedule queue for each task in the input message storage area, and a transaction in the transaction schedule queue by this message input means. Load information indicating the load status of the output message storage area is stored when the processing request message is registered and when the specified time elapse notification from the timer function is received. Output message storage area If the output message storage area is not overloaded by referring to the load message storage area, one registered transaction processing request message is extracted from the transaction schedule queue and passed to the transaction execution control means. If the storage area is overloaded, a transaction schedule means for temporarily stopping the retrieval of the registered transaction processing request message from the transaction schedule queue and activating the timer function by designating a time interval, and the transaction schedule means. The timer function for notifying the transaction schedule means of elapse of a designated time when the time interval designated by the transaction schedule means has passed, A transaction execution control means for activating a task that should process a transaction processing request message, passing a transaction processing request message to an application program, controlling the execution of the application program, and passing an output message from the application program to a message output means; The message output means for registering the output message passed from the execution control means in the output message storage area and then transmitting it to the terminal device, and deleting the output message from the output message storage area when it is confirmed that the terminal device has arrived And an output message storage area monitoring means for monitoring the load status of the output message storage area and storing the load information in the output message storage area load information area. Stanza action message output control method.