CN106126326A - Timing task management method and apparatus - Google Patents
Timing task management method and apparatus Download PDFInfo
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- CN106126326A CN106126326A CN201610463803.XA CN201610463803A CN106126326A CN 106126326 A CN106126326 A CN 106126326A CN 201610463803 A CN201610463803 A CN 201610463803A CN 106126326 A CN106126326 A CN 106126326A
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- task
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/48—Program initiating; Program switching, e.g. by interrupt
- G06F9/4806—Task transfer initiation or dispatching
- G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
- G06F9/485—Task life-cycle, e.g. stopping, restarting, resuming execution
Abstract
The invention discloses a kind of timing task management method and apparatus, relate to field of computer technology, the method includes: when determining that first task needs to cancel, and determines first task position in the time takes turns according to the mark of first task；Being provided with N number of task in time wheel, first task is the arbitrary task in N number of task；Wherein, N is positive integer；According to first task position in the time takes turns, first task is deleted from the time takes turns.This task can be deleted from the time takes turns, it is possible to solve prior art and cannot cancel the problem determining task such that it is able to cancel the task of needing to cancel, it is possible to save system resource when determining that a certain task needs to cancel.The present invention is for cancelling the timed task that need not perform.
Description
Technical field
The present invention relates to field of computer technology, particularly relate to a kind of timing task management method and apparatus.
Background technology
In an application system, task of needing timed periodic to perform can be the most, if to each task
Use an intervalometer, then substantial amounts of system resource can be wasted.Therefore time wheel would generally be used to manage timed task.Should
Time wheel can be made up of N number of time slot, each time slot corresponding unit interval, can arrange one in each time slot
Timed task, the pointer of this time wheel is generally directed towards the timed task of current execution.Therefore, if pointer pointed to for the n-th time
Groove, then the timed task of timing t unit interval be placed on the time wheel position be: (t+n) %N time slot, wherein %
Represent the computing that rems.But, in prior art, each timed task has to carry out, it is impossible to cancel task.
Summary of the invention
It is an object of the invention to provide a kind of timing task management method and apparatus, appoint for solving the timing in time wheel
The problem that business cannot be cancelled.
To achieve these goals, the present invention provides a kind of timing task management method, and described method includes:
When determining that first task needs to cancel, determine that described first task is in the time according to the mark of described first task
Position in wheel；Being provided with N number of task in wheel of described time, described first task is the arbitrary task in described N number of task；Its
In, N is positive integer；
According to described first task position in the described time takes turns, described first task is deleted from the described time takes turns.
Alternatively, described method also includes:
When after first task described in Predicated execution operation object on described first task do not produce affect time, or when sentence
Surely perform described first task when being meaningless operation for the operation object of described first task, determine that described first task needs
Cancel.
Alternatively, described method also includes:
When receiving the cancellation instruction cancelling described first task, determine that described first task needs to cancel.
Alternatively, the described mark according to described first task determines described first task position in the time takes turns, bag
Include:
Mark according to described first task determines that in the task dictionary pre-set described first task is described
Position in time wheel；The position of each task during record has wheel of described time in described task dictionary.
Alternatively, described according to described first task the described time take turns in position by described first task when described
Between wheel is deleted and is included:
In the described time takes turns, described first task is found according to described first task position in the described time takes turns；
Within the current task cycle, described first task is deleted from the described time takes turns；
Wherein, last task from first task starting to perform wheel of described time was taken turns to the described time is held
Row is complete is a duty cycle.
The present invention also provides for a kind of timing task management device, and described device includes:
Position determination module, for when determining that first task needs to cancel, determining according to the mark of described first task
Described first task position in the time takes turns；Being provided with N number of task in wheel of described time, described first task is described N number of
Arbitrary task in task；Wherein, N is positive integer；
Task cancel module, for according to described first task the described time take turns in position by described first task from
Wheel of described time is deleted.
Alternatively, described device also includes:
Task judge module, for when after first task described in Predicated execution operation object to described first task do not produce
Raw when affect, or when first task described in Predicated execution is meaningless operation for the operation object of described first task,
Determine that described first task needs to cancel.
Alternatively, described device also includes:
Command reception module, for when receiving the cancellation instruction cancelling described first task, determining described first
Business needs to cancel.
Alternatively, described position determination module is used for:
Mark according to described first task determines that in the task dictionary pre-set described first task is described
Position in time wheel；The position of each task during record has wheel of described time in described task dictionary.
Alternatively, described task cancellation module includes:
Task search submodule, for according to described first task the described time take turns in position the described time take turns in
Find described first task；
Task deletes submodule, for described first task being deleted from the described time takes turns within the current task cycle；
Wherein, last task from first task starting to perform wheel of described time was taken turns to the described time is held
Row is complete is a duty cycle.
The embodiment of the present invention passes through technique scheme, it is provided that the cancellation mechanism of timed task, energy in wheel of a kind of time
Enough when determining that a certain task needs to cancel, this task is deleted from the time takes turns, it is possible to it is fixed that solution prior art cannot be cancelled
The problem of task such that it is able to cancel the task of needing to cancel, it is possible to save system resource.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, with following tool
Body embodiment is used for explaining the present invention together, but is not intended that limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to a kind of timing task management method shown in an exemplary embodiment；
Fig. 2 is the schematic diagram taken turns according to a kind of time shown in an exemplary embodiment；
Fig. 3 is according to a kind of timing task management method shown in an exemplary embodiment；
Fig. 4 is a kind of timing task management device block diagram provided according to an exemplary embodiment；
Fig. 5 is the another kind of timing task management device block diagram provided according to an exemplary embodiment；
Fig. 6 is the another kind of timing task management device block diagram provided according to an exemplary embodiment；
Fig. 7 is the block diagram cancelling module according to a kind of task shown in embodiment illustrated in fig. 4.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that this place is retouched
The detailed description of the invention stated is merely to illustrate and explains the present invention, is not limited to the present invention.
Fig. 1 is according to a kind of timing task management method shown in an exemplary embodiment, sees Fig. 1, and the method is permissible
Comprise the following steps.
According to the mark of first task, step 101, when determining that first task needs to cancel, determines that first task is in the time
Position in wheel；Being provided with N number of task in time wheel, first task is the arbitrary task in N number of task；Wherein, N is the most whole
Number.
Wherein, first task needs cancellation can be to be judged by system, it is also possible to be to be triggered by user.First task
Mark can be the ID of first task, for each task, can be that each task generates one when task creation
Individual unique ID.
Example, Fig. 2 is the schematic diagram taken turns according to a kind of time shown in an exemplary embodiment, sees Fig. 2, this time
Wheel includes N number of time slot, and a pointer, and N number of time slot can arrange N number of task, and pointer points to and is currently executing
The time slot at task place.
Step 102, deletes first task according to first task position in the time takes turns from the time takes turns.
Wherein, last task from first task starting to perform wheel of described time was taken turns to the described time is held
Row is complete is a duty cycle, and the task in time wheel can be carried out once in each cycle, therefore example, here
First task being deleted from the time takes turns and can be understood as deleting within the current task cycle, in next cycle, this is first
Business can from newly added return, naturally it is also possible to be permanent deletion.
To sum up, the timing task management method that the embodiment of the present invention provides, it is provided that timed task in wheel of a kind of time
Cancel mechanism, it is possible to when determining that a certain task needs to cancel, this task deleted from the time takes turns, it is possible to solve prior art
The problem determining task cannot be cancelled such that it is able to cancel the task of needing to cancel, it is possible to save system resource.
Fig. 3 is according to a kind of timing task management method shown in an exemplary embodiment, sees Fig. 3, and the method is permissible
Comprise the following steps.
Step 201, it may be judged whether there is a need to cancelling of task.
When determine have first task need cancel time, carry out step 202, when do not need cancel task time continue executing with
Step 201.Wherein, time as shown in Figure 2 wheel, include N number of time slot at this time wheel, in each time slot can in permissible
Arranging a task, thus can have N number of task in this time wheel, first task can be the arbitrary task in this N number of task,
N is positive integer.
Wherein, it may be judged whether the task of there is a need to cancel can be performed by system, system can be by the strategy preset
Judge a certain task the need of cancellation, as a example by first task, when after first task described in Predicated execution to described first
The operation object of business does not produce when affecting, or when first task described in Predicated execution is for the operation object of described first task
During for meaningless operation, determine that described first task needs to cancel.Such as, first task is the task of cleaning system rubbish, when
System detects when there is currently no system rubbish, and the operation of cleaning system rubbish is exactly meaningless operation, therefore can be true
This task fixed needs to cancel.Or, the cancellation of task can also be triggered by user, such as, carry out cancelling first task as user
After operation, system can receive the cancellation instruction cancelling described first task, now may determine that first task needs to cancel.
Step 202, determines first task position in the time takes turns according to the mark of first task.
Example, what a task dictionary can be pre-build in systems, during record has time wheel in this concordance list
The position of each task, in the present embodiment, the position of each task is exactly each task time at place in the time takes turns
Groove.The mark of first task can be the ID of first task, for each task, can be each when task creation
Business all generates a unique ID.Therefore, it can the ID according to first task search and first task in this task dictionary
List item corresponding for ID, just can obtain first task from this list item exist finding the list item corresponding with the ID of first task
The time slot at place in time wheel, wherein this N number of time slot can also distribute unique ID, the most numbered time slot 1
～N.
Step 203, finds first task according to first task position in the described time takes turns in the time takes turns.Wherein,
Assume to obtain in step 202. in the time slot 5 that this first task is positioned at time wheel, then this can be found to be positioned at this time slot
First task in 5, and it is removed from it this first task.
Step 204, deletes first task from the time takes turns.
Wherein, last tasks carrying during first task from Starting Executing Time is taken turns was taken turns to the time complete is
One duty cycle.Example, first task being deleted from the time takes turns can be by first task within the current task cycle
From the time take turns delete, in next cycle this first task can from newly added return, naturally it is also possible to be permanent deleting
Remove.
To sum up, the timing task management method that the embodiment of the present invention provides, it is provided that timed task in wheel of a kind of time
Cancel mechanism, it is possible to when determining that a certain task needs to cancel, this task deleted from the time takes turns, it is possible to solve prior art
The problem determining task cannot be cancelled such that it is able to cancel the task of needing to cancel, it is possible to save system resource.
Fig. 4 is a kind of timing task management device block diagram provided according to an exemplary embodiment, and this device 400 can be used
In performing the method shown in Fig. 1 or Fig. 3, seeing Fig. 4, this device 400 may include that
Position determination module 410, for when determining that first task needs to cancel, the mark according to described first task is true
Fixed described first task position in the time takes turns；Being provided with N number of task in wheel of described time, described first task is described N
Arbitrary task in individual task；Wherein, N is positive integer；
Task cancel module 420, for according to described first task the described time take turns in position by described first
It is engaged in deleting from the described time takes turns.
Optionally, Fig. 5 is the another kind of timing task management device block diagram provided according to an exemplary embodiment, sees figure
5, this device 500 can also include:
Task judge module 430, for when operation object to described first task after first task described in Predicated execution
Do not produce when affecting, or when first task described in Predicated execution is meaningless operation for the operation object of described first task
Time, determine that described first task needs to cancel.
Optionally, Fig. 6 is the another kind of timing task management device block diagram provided according to an exemplary embodiment, sees figure
6, this device 400 can also include:
Command reception module 440, for when receiving the cancellation instruction cancelling described first task, determining described first
Task needs to cancel.
Optionally, described position determination module 410 may be used for:
Mark according to described first task determines that in the task dictionary pre-set described first task is described
Position in time wheel；The position of each task during record has wheel of described time in described task dictionary.
Optionally, Fig. 7 is the block diagram cancelling module according to a kind of task shown in embodiment illustrated in fig. 4, sees Fig. 7, institute
Task of stating is cancelled module 420 and be may include that
Task search submodule 421, for according to described first task the described time take turns in position in the described time
Wheel finds described first task；
Task deletes submodule 422, for described first task being deleted from the described time takes turns within the current task cycle
Remove；
Wherein, last task from first task starting to perform wheel of described time was taken turns to the described time is held
Row is complete is a duty cycle.
To sum up, the timing task management device that the embodiment of the present invention provides, it is provided that timed task in wheel of a kind of time
Cancel mechanism, it is possible to when determining that a certain task needs to cancel, this task deleted from the time takes turns, it is possible to solve prior art
The problem determining task cannot be cancelled such that it is able to cancel the task of needing to cancel, it is possible to save system resource.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality
Execute the detail in mode, in the technology concept of the present invention, technical scheme can be carried out multiple letter
Monotropic type, these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to various can
The compound mode of energy illustrates the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as it is without prejudice to this
The thought of invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a timing task management method, it is characterised in that described method includes:
When determining that first task needs to cancel, determine that described first task is in the time takes turns according to the mark of described first task
Position；Being provided with N number of task in wheel of described time, described first task is the arbitrary task in described N number of task；Wherein, N
For positive integer；
According to described first task position in the described time takes turns, described first task is deleted from the described time takes turns.
Method the most according to claim 1, it is characterised in that described method also includes:
When after first task described in Predicated execution operation object on described first task do not produce affect time, or when judgement is held
When the described first task of row is meaningless operation for the operation object of described first task, determine that described first task needs to take
Disappear.
Method the most according to claim 1, it is characterised in that described method also includes:
When receiving the cancellation instruction cancelling described first task, determine that described first task needs to cancel.
4. according to the method described in any one of claim 1-3, it is characterised in that the described mark according to described first task is true
Fixed described first task position in the time takes turns, including:
Mark according to described first task determines that in the task dictionary pre-set described first task is in the described time
Position in wheel；The position of each task during record has wheel of described time in described task dictionary.
5. according to the method described in any one of claim 1-3, it is characterised in that described according to described first task when described
Between position in wheel described first task is deleted and is included from the described time takes turns:
In the described time takes turns, described first task is found according to described first task position in the described time takes turns；
Within the current task cycle, described first task is deleted from the described time takes turns；
Wherein, last tasks carrying from first task starting to perform wheel of described time was taken turns to the described time is complete
Finishing is a duty cycle.
6. a timing task management device, it is characterised in that described device includes:
Position determination module, for when determining that first task needs to cancel, determining described according to the mark of described first task
First task position in the time takes turns；Being provided with N number of task in wheel of described time, described first task is described N number of task
In arbitrary task；Wherein, N is positive integer；
Task cancel module, for according to described first task the described time take turns in position by described first task from described
Time wheel is deleted.
Device the most according to claim 6, it is characterised in that described device also includes:
Task judge module, for when after first task described in Predicated execution operation object to described first task do not produce shadow
When ringing, or when first task described in Predicated execution is meaningless operation for the operation object of described first task, determine
Described first task needs to cancel.
Device the most according to claim 6, it is characterised in that described device also includes:
Command reception module, for when receiving the cancellation instruction cancelling described first task, determines that described first task needs
Cancel.
9. according to the device described in any one of claim 6-8, it is characterised in that described position determination module is used for:
Mark according to described first task determines that in the task dictionary pre-set described first task is in the described time
Position in wheel；The position of each task during record has wheel of described time in described task dictionary.
10. according to the device described in any one of claim 6-8, it is characterised in that described task is cancelled module and included:
Task search submodule, for according to described first task the described time take turns in position the described time take turns in find
Described first task；
Task deletes submodule, for described first task being deleted from the described time takes turns within the current task cycle；
Wherein, last tasks carrying from first task starting to perform wheel of described time was taken turns to the described time is complete
Finishing is a duty cycle.
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| CN108234688A (en) * | 2017-12-29 | 2018-06-29 | 迈普通信技术股份有限公司 | The method and device of duplicate address detection |
| CN108287751A (en) * | 2017-01-09 | 2018-07-17 | 阿里巴巴集团控股有限公司 | Task executing method and device, distributed system |
| CN109254839A (en) * | 2018-08-24 | 2019-01-22 | 上海哔哩哔哩科技有限公司 | It determines the method in task triggered time, construct the method and system of task timer |
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| CN111143053A (en) * | 2019-11-15 | 2020-05-12 | 杭州涂鸦信息技术有限公司 | Scheduling method of timing task, server and storage device |
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| CN108287751B (en) * | 2017-01-09 | 2022-02-01 | 阿里巴巴集团控股有限公司 | Task execution method and device and distributed system |
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| CN109254839B (en) * | 2018-08-24 | 2021-08-06 | 上海哔哩哔哩科技有限公司 | Method for determining task trigger time, method and system for constructing task timer |
| CN109885383A (en) * | 2018-10-30 | 2019-06-14 | 广东科学技术职业学院 | A kind of non-unity time task scheduling method of with constraint conditions |
| CN109697592A (en) * | 2018-12-21 | 2019-04-30 | 江苏满运软件科技有限公司 | Source of goods undercarriage method, system, equipment and storage medium based on annular array |
| CN111143053A (en) * | 2019-11-15 | 2020-05-12 | 杭州涂鸦信息技术有限公司 | Scheduling method of timing task, server and storage device |
| CN112181614A (en) * | 2020-09-14 | 2021-01-05 | 中国银联股份有限公司 | Task timeout monitoring method, device, equipment, system and storage medium |
| CN112181614B (en) * | 2020-09-14 | 2024-04-19 | 中国银联股份有限公司 | Task timeout monitoring method, device, equipment, system and storage medium |
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