CN111680053B - Meter reading task execution method of meter reading task instance - Google Patents
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Abstract
The invention discloses a meter reading task execution method based on a meter reading task example, which belongs to the technical field of electric power and comprises the following steps of S1, generation of the meter reading task example: the meter reading task instance generation module reads and analyzes a meter reading task configuration file when being started, a meter reading task is generated in a memory, after meter reading time is up, the meter reading task is combined with each meter to generate a plurality of meter reading task instances, the meter reading task instances comprise instance numbers, meter reading data items, instance starting time, instance expiration time, meter reading task instance states, priorities and other information, and S2, the meter reading task instances are stored: and (3) the meter reading task instance generation module stores the generated meter reading task instance into a meter reading task instance database for persistent storage, so as to avoid power failure or process restart loss, and the notification after the meter reading task instance is updated is as follows: and after the meter reading task instance generating module generates a new meter reading task instance, the meter reading task instance executing module is informed.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a meter reading task execution method based on a meter reading task example.
Background
In the field of electric power meter reading, a power grid company has more and more demands on reading data items. Years ago, only the daily frozen electric quantity of the electric meter needs to be read back, and the voltage, current and power data of all the electric meters in hours or even 15 minutes are required to be read in many places at present. Meanwhile, based on the bandwidth limitation of the downlink carrier channel, the data reading items of different types of meters are different, the reading periods of different data items of the same meter are different, the meter reading tasks are more and more complex, and higher requirements are provided for how to reliably execute various different meter reading tasks.
However, the currently adopted meter reading task cannot effectively cope with the complex meter reading task, so that the reliability and the execution efficiency of the execution of the meter reading task are greatly reduced, the workload of meter reading personnel is greatly increased, and the execution is very inconvenient.
Disclosure of Invention
The invention aims to provide a meter reading task execution method based on a meter reading task example, which aims to solve the problems that the currently adopted meter reading task in the background technology cannot effectively cope with a complex meter reading task, the reliability and the execution efficiency of the execution of the meter reading task are greatly reduced, the workload of meter reading personnel is greatly increased, and the execution is very inconvenient.
In order to achieve the purpose, the invention provides the following technical scheme: a meter reading task execution method based on a meter reading task instance comprises the following steps:
s1, generating a meter reading task instance: the meter reading task instance generation module reads and analyzes the meter reading task configuration file when being started, a meter reading task is generated in the memory, after the meter reading time is up, the meter reading task is combined with each meter to generate a plurality of meter reading task instances, and the meter reading task instances comprise instance numbers, meter number, meter reading data items, instance starting time, instance expiration time, meter reading task instance states, priorities and the like.
S2, storing a meter reading task instance: and the meter reading task instance generation module stores the generated meter reading task instance into a meter reading task instance database for persistent storage, so that the loss of power failure or process restart loss is avoided.
S3, notification after updating of the meter reading task instance: after the meter reading task instance generation module generates a new meter reading task instance, the meter reading task instance execution module is informed, and the instance is updated in an informing mode, so that the meter reading task instance can be executed in time.
S4, loading a meter reading task instance: and after receiving the instance updating notification, or when the meter reading terminal is restarted in a power failure mode or the meter reading task instance execution module is restarted after being abnormally withdrawn, the meter reading task instance execution module reads all instances from the meter reading task instance database, and places the instances with the reading states of being not read into a meter reading task instance execution queue. Only the example of which the reading state is not read is placed into the meter reading task example execution queue, so that the example is prevented from being copied again, and the meter reading efficiency is improved.
S5, executing a meter reading task instance: and the meter reading task instance execution module takes out and executes the meter reading task instances from the meter reading task instance execution queue one by one according to the priority, and organizes a meter reading message according to the information of the meter reading task instances when executing the meter reading task instances and sends the meter reading message to the electric energy meter.
S6, updating the state of the meter reading task instance: and if the electric energy meter replies the expected message, the instance is successfully executed, the instance is deleted from the meter reading task instance execution queue, and the state of the corresponding instance in the meter reading task instance database is modified to be successfully read.
S7, retry of the meter reading task instance: if an instance is not successfully executed, the retry is repeatedly executed until the instance end time is reached until the instance is successfully executed.
S8, deleting the meter reading task instance: when a certain meter reading task reaches a new meter reading period, the meter reading task instance execution module deletes an overdue instance in the meter reading task instance database, and the meter reading task instance database is prevented from being excessively large and slowly loaded.
Preferably, the meter reading task execution method based on the meter reading task instance comprises a meter reading task instance task generation module, a meter reading task instance execution module and a meter reading task instance database.
Preferably, the meter reading task execution method based on the meter reading task example can decompose the execution of the meter reading task into links of generation, storage, loading, state updating, overdue deletion and the like of the meter reading task example.
Preferably, the meter reading task instance generated by the meter reading task instance task generating module is persistently stored, so that the loss caused by the power failure of a terminal or the abnormal restart of a process is prevented.
Preferably, the meter reading task instance execution module reads the meter reading task instance from the meter reading task instance database, and only loads the meter reading task instance which is not successfully executed into the meter reading task queue, so that the repeated execution of the meter reading task instance is avoided.
Preferably, when the meter reading task instance is executed, the instance is extracted from a meter reading execution queue stored in the memory, and the instance extraction time is shortened.
Preferably, the meter reading task-based instance has a priority score, and the instance with the higher priority is executed first.
Compared with the prior art, the invention has the beneficial effects that:
the invention converts the execution of the meter reading task into the links of the generation, the storage, the loading, the execution, the state updating, the retry, the overdue deletion and the like of the specific meter reading task example, so that the execution of the complex meter reading task becomes clear and simple, the efficiency of programming development can be improved, the meter reading task example is persistently stored, and the missing of meter reading caused by power failure or process restarting is avoided; and when the instance is loaded, only the meter reading task instance in an unsuccessful state is loaded, so that the re-reading of the instance is avoided.
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FIG. 1 is a diagram of the present invention showing the relationship between three software modules.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to the drawings, a meter reading task execution method based on a meter reading task example comprises the following steps:
generating a meter reading task example: the meter reading task instance generation module reads and analyzes the meter reading task configuration file when being started, a meter reading task is generated in the memory, after the meter reading time is up, the meter reading task is combined with each meter to generate a plurality of meter reading task instances, and the meter reading task instances comprise instance numbers, meter reading data items, instance starting time, instance expiration time, meter reading task instance states, priorities and other information.
And (3) storage of meter reading task instances: and the meter reading task instance generation module stores the generated meter reading task instance into a meter reading task instance database for persistent storage, so that power failure or process restart loss is avoided.
And (3) notification after the meter reading task instance is updated: after the meter reading task instance generation module generates a new meter reading task instance, the meter reading task instance execution module is informed, and the instance is updated in an informing mode, so that the meter reading task instance can be executed in time.
Loading a meter reading task instance: and after receiving the instance updating notification, or when the meter reading terminal is restarted in a power failure mode or the meter reading task instance execution module is restarted after being abnormally withdrawn, the meter reading task instance execution module reads all instances from the meter reading task instance database, and places the instances with the reading states of being not read into a meter reading task instance execution queue. Only the example of which the reading state is not read is placed into the meter reading task example execution queue, so that the example is prevented from being copied again, and the meter reading efficiency is improved.
And (3) executing a meter reading task example: and the meter reading task instance execution module takes out and executes the meter reading task instances from the meter reading task instance execution queue one by one according to the priority, organizes a meter reading message according to the information of the meter reading task instances when executing the meter reading task instances, and sends the meter reading message to the electric energy meter.
And (3) updating the state of the meter reading task instance: and if the electric energy meter replies the expected message, the instance is successfully executed, the instance is deleted from the meter reading task instance execution queue, and the state of the corresponding instance in the meter reading task instance database is modified to be successfully read.
Retrying the meter reading task example: if an instance is not executed successfully, the retry is repeated until the end time of the instance is reached until the instance is executed successfully.
And (3) deleting a meter reading task instance: when a certain meter reading task reaches a new meter reading period, the meter reading task instance execution module deletes an expired instance in the meter reading task instance database, and the meter reading task instance database is prevented from being excessively large and slowly loaded.
The invention will be described in further detail below with reference to the following figures and specific examples: suppose that 2 meter reading tasks are configured for a certain power meter reading terminal when the terminal leaves a factory or a master station, the specific conditions are as follows:
(1) Meter reading task 1
Reading the electric meter range: all electric energy meters
Reading frequency: 1 time per day
Copy data item 1: day freezing positive active electric energy indicating value
Priority: 1 (smaller value indicates higher priority)
(2) Meter reading task 2
Reading the electric meter range: electric energy meter for all key users
Reading frequency: every 15 minutes for 1 time
3 data items are copied and read: present voltage, current, power
Priority level: 2
Suppose that 10 electric energy meters are connected under the electric meter reading terminal, and the number of the meter is No.1-No.10, wherein No.9/No.10 is a key user.
For the above specific case, the present invention specifically processes the meter reading task as follows.
In the morning every day, the meter reading task instance generation module generates 10 meter reading task instances for the task 1, and the specific content of each meter reading task instance is as follows:
and (3) numbering a meter reading task instance: insNo. n, n is 1-10
Numbering the electric energy meters: no. n, n is 1 to 10
Reading the data item: day freezing positive active electric energy indicating value
Example start time: 2020-03-22 00:00:00
Example end time: 2020-03-22 23:59:59.
Priority: 1
Example states: is not copied and read
At each whole time, for example, 00:
and (3) numbering a meter reading task instance: insNo. n, n is from 11 to 16
Numbering the electric energy meters: no. n, n is 9 to 10,
reading the data item: present voltage or present current or present power
Example start time: 2020-03-22 00:00:00
Example end time: 2020-03-22 00:15:00.
Example two:
as shown, unlike the first embodiment, the priority of the present embodiment: 2
Example states: is not copied
And the meter reading task instance generation module stores the generated instances into the instance database and informs the meter reading task instance execution module that the instances are updated.
And after receiving the instance updating notification, or when the meter reading terminal is restarted in a power failure mode or the meter reading task instance execution module is restarted after being abnormally withdrawn, the meter reading task instance execution module reads all instances from the meter reading task instance database, and places the instances with the reading states of being not read into a meter reading task instance execution queue.
And the meter reading task instance execution module takes out the meter reading task instances from the meter reading task instance execution queue one by one according to the priority and executes the meter reading task instances. And when the meter reading task instance is executed, organizing a meter reading message according to the information of the meter reading task instance, and sending the meter reading message to the electric energy meter.
And if the positive active electric energy indicating value of the daily freezing of the electric energy meter No.1 is read, the electric energy meter replies the positive active electric energy indicating value of the daily freezing, the example is deleted from the meter reading task example execution queue, and the state of the example InstNo.1 in the meter reading task example database is modified into the successful reading.
If the positive active electric energy indication value is frozen on the day of reading the electric energy meter No.2 and the electric energy meter does not reply, the instance is still kept in the execution queue of the meter reading task instance, and after the reading of other instances is finished, only the instance is left in the execution queue of the meter reading task instance, and the execution can be repeatedly retried until the execution is successful or overdue.
When the time of the meter reading terminal reaches 2020-03-22 00, the meter reading task instance InsNos. 11-16 corresponding to the meter reading task 2 are all expired, no matter whether the instances are executed successfully or not, the meter reading task generation module deletes the instances from the meter reading task instance database, and simultaneously generates 6 new meter reading task instances corresponding to the meter reading task 2 and stores the 6 new meter reading task instances into the meter reading task instance database.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A meter reading task execution method based on a meter reading task example is characterized in that; the execution method comprises the following steps:
s1, generating a meter reading task instance: the meter reading task instance generation module reads and analyzes a meter reading task configuration file when being started, a meter reading task is generated in a memory, after meter reading time is up, the meter reading task is combined with each meter to generate a plurality of meter reading task instances, and the meter reading task instances comprise instance numbers, meter reading data items, instance starting time, instance expiration time, meter reading task instance states, priorities and other information;
s2, storing a meter reading task instance: the meter reading task instance generation module stores the generated meter reading task instance into a meter reading task instance database for persistent storage, so that power failure or process restart loss is avoided;
s3, notification after updating of the meter reading task instance: after the meter reading task instance generating module generates a new meter reading task instance, the meter reading task instance executing module is informed, and the instance is updated in an informing mode, so that the meter reading task instance can be executed in time;
s4, loading a meter reading task instance: after the meter reading task instance execution module receives the instance updating notification, or when the meter reading terminal is restarted in a power failure mode or the meter reading task instance execution module is restarted after being abnormally retreated, all instances are read from the meter reading task instance database, the instances with the reading state of being not read are placed into a meter reading task instance execution queue, only the instances with the reading state of being not read are placed into the meter reading task instance execution queue, instance re-reading can be avoided, and meter reading efficiency is improved;
s5, executing a meter reading task instance: the meter reading task instance execution module takes out and executes meter reading task instances from the meter reading task instance execution queue one by one according to the priority, and organizes meter reading messages according to the information of the meter reading task instances and sends the meter reading messages to the electric energy meter when the meter reading task instances are executed;
s6, updating the state of the meter reading task instance: if the electric energy meter replies the expected message, the instance is successfully executed, the instance is deleted from the meter reading task instance execution queue, and the state of the corresponding instance in the meter reading task instance database is modified to be successfully read;
s7, retry of the meter reading task instance: if a certain instance is not executed successfully, before the end time of the instance is reached, retry is repeatedly executed until the instance is executed successfully;
s8, deleting the meter reading task instance: when a certain meter reading task reaches a new meter reading period, the meter reading task instance execution module deletes an expired instance in the meter reading task instance database, and the meter reading task instance database is prevented from being excessively large and slowly loaded.
2. The meter reading task execution method based on the meter reading task instance according to claim 1, characterized in that: the meter reading task execution method based on the meter reading task instance comprises a meter reading task instance task generation module, a meter reading task instance execution module and a meter reading task instance database.
3. The meter reading task execution method based on the meter reading task instance according to claim 1, characterized in that: the meter reading task execution method based on the meter reading task example can decompose the execution of the meter reading task into links of generation, storage, loading, state updating and overdue deletion of the meter reading task example.
4. The meter reading task execution method based on the meter reading task instance according to claim 1, characterized in that: the meter reading task instance generated by the meter reading task instance task generating module is subjected to persistent storage, and the loss caused by the power failure of a terminal or the abnormal restart of a process is prevented.
5. The meter reading task execution method based on the meter reading task instance according to claim 1, characterized in that: the meter reading task instance execution module reads the meter reading task instance from the meter reading task instance database, and only loads the meter reading task instance which is not successfully executed into the meter reading task queue, so that the repeated execution of the meter reading task instance is avoided.
6. The meter reading task execution method based on the meter reading task instance according to claim 1, characterized in that: when the meter reading task instance is executed, the instance is extracted from the meter reading execution queue stored in the memory, and the instance extraction time is shortened.
7. The meter reading task execution method based on the meter reading task instance according to claim 1, characterized in that: the meter reading task-based instance has priority, and the instance with high priority is executed first.
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