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Task sending method and device

A technology for sending methods and tasks, applied in the computer field, can solve the problems of distribution, inability to modify or delete data, and inability to guarantee the sequence of a large number of data, and achieve the effect of ensuring integrity

Active Publication Date: 2019-07-02
BEIJING JINGDONG QIANSHITECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the process of implementing the present invention, the inventors found that there are at least the following problems in the prior art: the prior art cannot guarantee that a large amount of data will be delivered in order, and for abnormal situations, the undelivered data cannot be modified in time or delete

Method used

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  • Task sending method and device

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Embodiment Construction

[0030] Exemplary embodiments of the present invention are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present invention to facilitate understanding, and they should be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

[0031] figure 1 is a schematic diagram of the main flow of the task sending method according to the embodiment of the present invention. Such as figure 1 As shown, the method includes:

[0032] Step S101: The task sending device creates an available key-value list according to the downstream receivable task amount, and the values ​​in the available key-value list corres...

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Abstract

The invention discloses a task sending method and device, which relate to the technical field of computers. A specific implementation of the method includes steps: an available key value list is created according to a quantity of downstream receivable tasks, wherein a value in the available key value list is corresponding to a task quantity; a task from the upstream is analyzed and the analyzed task is stored in a database, wherein the analyzed task has an issuing sequence mark; and when a value exists in the available key value list, the task is sent to the downstream according to the issuingsequence mark. In the implementation mode, the quantity of tasks sent to the downstream device is controllable and the sequence is controllable, unissued tasks can be controllably deleted and modified, and further, data integrity and consistency are ensured.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a task sending method and device. Background technique [0002] Programmable Logic Controller (PLC) is a digital computing operation electronic system specially designed for application in industrial environments. It uses a programmable memory to store instructions for performing logic operations, sequence control, timing, counting, and arithmetic operations, and controls various types of mechanical equipment or production through digital or analog input and output. process. [0003] With its high reliability, modular structure, simple programming, strong anti-interference ability and other advantages, PLC has been widely used in modern control systems, such as to complete real-time data acquisition and control tasks, and use computer interface to realize human machine dialogue and monitoring functions. [0004] Since the PLC does not have the characteristics of stor...

Claims

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Application Information

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IPC IPC(8): G05B19/05
CPCG05B19/056G05B2219/13004
Inventor 段玉辉
Owner BEIJING JINGDONG QIANSHITECHNOLOGY CO LTD
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