CN104932911B - The execution method and device of timing downloading task - Google Patents
The execution method and device of timing downloading task Download PDFInfo
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- CN104932911B CN104932911B CN201410106406.8A CN201410106406A CN104932911B CN 104932911 B CN104932911 B CN 104932911B CN 201410106406 A CN201410106406 A CN 201410106406A CN 104932911 B CN104932911 B CN 104932911B
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Abstract
The present invention provides a kind of execution method and device of timing downloading task comprising active execution method and passive execution method, active execution method includes: S1, database receive several timing downloading tasks；S2, several timing downloading tasks are obtained out of database；S3, the reference time point of timing downloading task is added with execution interval duration, judges whether to fall into set period of time, if so then execute S4, if otherwise executing S62；S4, active downloading task is executed；S5, S61 is executed after updating reference time point to execution moment；S61, S71 is executed after updating the execution time point of active downloading task；S62, the execution time point of passive downloading task is updated；S71, active downloading task is sent back into database；S72, passive downloading task is sent back into database.It is used in combination by active execution method and passive execution method, while guaranteeing user experience, has saved system cost to a greater extent.
Description
Technical field
The present invention relates to a kind of execution method and devices of timing downloading task.
Background technique
Currently, some network seat reservation systems (such as air ticket seat reservation system etc.) are generally mentioned by following two mode from service
For the current newest full cabin information of mechanism downloading (that is, whether the coastiong, this time flight is remaining to ticketing): 1) being sent out in user
It send order because of full cabin (i.e. nothing left ticket) and after failure, updates the full cabin information of the targeted train number of the order or flight etc.；2)
With it is a certain when a length of interval update full cabin information.
The defect of such method is: on the one hand, user sends order failure and updates, or automatically updates frequency mistake
Slowly, it will cause user experience to decline and then lose client；On the other hand, since the mode frequent updating automatically updated expires cabin letter
Breath, can cause stress the server of operator, and generate correlative charges, therefore increase cost.
Summary of the invention
The technical problem to be solved by the present invention is in order to overcome prior art cost and user experience to be difficult to satisfactory to both parties defect,
A kind of execution method and device of timing downloading task that can have not only guaranteed user experience but also reduce system cost is provided.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of execution method of timing downloading task, it is characterized in that comprising there is an active execution method and one passively
Execution method, the active execution method includes following steps:
S1, a database receive several timing downloading tasks, wherein when each timing downloading task includes an execution
Between point, an execution interval duration and a reference time point；
That is, each timing downloading task is by three attributes: executing time point, execution interval duration and benchmark
Time point.
S2, obtained out of described database it is several it is described execute time points be located at current time be starting one set when
Between timing downloading task in section；
S3, the timing downloading task that will acquire reference time point be added with execution interval duration, judge to be added
Whether time point out falls into the set period of time, if so then execute S4, if otherwise executing S62；
Herein, it is possible to directly find some spy from database in method (see below S100~S400) due to passively executing
Fixed timing downloading task is downloaded and changes the reference time point of the specific timing downloading task, so to judge benchmark
Time is added whether obtained time point falls into set period of time with execution interval duration, excludes passively whereby
The timing downloading task executed.
The time point that S4, addition obtain falls into the timing downloading task in the set period of time and appoints for actively downloading
Business, executes the active downloading task, and after recording the execution moment of the active downloading task, executes S5；
Herein, active downloading task by what this approach of automatic execution method was actively downloaded it is to be understood that determined
When downloading task.
S5, S61 is executed after updating the reference time point to the execution moment of the active downloading task；
S61, the reference time point that the execution time point of the active downloading task is updated to same active downloading task
S71 is executed after being added the time point obtained with execution interval duration；
Under the time point that S62, addition obtain is passive without falling into the timing downloading task in the set period of time
The execution time point of the passive downloading task is updated to the reference time point and execution of same passive downloading task by load task
Interval duration executes S72 after being added the time point obtained；
S71, after the active downloading task is sent back the database, S2 is executed；
S72, after the passive downloading task is sent back the database, S2 is executed；
It, can will be passive that is, by judge whether time point for obtaining of addition falls into the set period of time
(that is, reference time point is updated) the timing downloading task executed in execution method (seeing below) (appoint by i.e. passive downloading
Business) it excludes.
The passive execution method includes following steps:
S100, an instruction is received, described instruction is for downloading task when executing certain；
S200, the timing downloading task in S100 is found from the database；
S300, the timing downloading task in S100 is executed, and records holding for the timing downloading task in S100
The row moment；
S400, the reference time point for updating the timing downloading task in S100 are the execution moment in S300.
Herein, passive execution method relates generally to other means and holds to manual (i.e. passive) of specific timing downloading task
Row.The execution method of entire timing downloading task can be made to take into account the benefit actively downloaded and passively downloaded in this way.
Preferably, including S21 between the S2 and S3:
The timing downloading task that will acquire is put into a timing downloading task queue, in the timing downloading task queue
The timing downloading task quantity be higher than one setting quantity when stop the acquisition；
The S3 is, successively by the reference time point of the timing downloading task in the timing downloading task queue with
Execution interval duration is added, and judges to be added whether the time point obtained falls into the set period of time, if so then execute S4, if
Otherwise S62 is executed.
That is, the timing downloading task in timing downloading task queue quantitatively (is handled in the presence of when accumulating
When busy), it is waited, does not continue to obtain new timing downloading task whithin a period of time to reduce system pressure.
Preferably, the S4 are as follows:
Being added the timing downloading task that the time point obtained falls into the set period of time is active downloading task,
Execute the active downloading task, judge the active downloading task whether one setting implementation number in successful execution, if
It is to execute S41, if otherwise executing S42；
S41, after the execution moment for recording the active downloading task, S5 is executed；
S42, terminate process after the active downloading task is sent to an error set of tasks.
Herein, the serious forgiveness for the system that can be improved is set in this way.
Preferably, the S42 are as follows:
S43 is executed after the active downloading task is sent to an error set of tasks；
S43, one first setting duration of every process, are screened from whole active downloading tasks in the error set of tasks
The executable active downloading task is sent to the database, and will can be performed by executable active downloading task out
The reference time point of the active downloading task be updated to sending instant and subtract the time point that execution interval duration obtains.
That is, the active downloading task of failed download can be put together, it will be therein at certain specific time points
Executable active downloading task (i.e. the active downloading task of failed download due to system problem, it is non-to be made because of failure itself
At the active downloading task of failed download) it is re-transmitted to database, the circulation executed into active.
Preferably, the S1 are as follows:
A length of interval receives several timing downloading tasks when one database is with one second setting, wherein each timing downloading
Task includes an execution time point, an execution interval duration and a reference time point.
That is, the timing downloading task that database timing receipt is new.
The present invention also provides a kind of executive devices of timing downloading task, it is characterized in that comprising there is one actively to execute
Module and a passive execution module, the active execution module includes: a database, it is certain when downloading task acquisition module,
One time point judgment module, an active downloading task execution module, an active downloading task reference time point update module, a master
Dynamic downloading task executes time point update module, a passive downloading task executes time point update module, an active downloading task
It sends back to module and a passive downloading task sends back to module；
The database is for receiving several timing downloading tasks, wherein each timing downloading task includes to hold
Row time point, an execution interval duration and a reference time point；
The timing downloading task obtains module and is located at for obtaining several execution time points out of described database
It take current time as the timing downloading task in a set period of time of starting；
The reference time point and execution interval for the timing downloading task that the time point judgment module is used to will acquire
Duration is added, and judges to be added whether the time point obtained falls into the set period of time, if the active is then called to download
Task execution module, if the passive downloading task is otherwise called to execute time point update module；
Being added the timing downloading task that the time point obtained falls into the set period of time is active downloading task,
The active downloading task execution module records the execution of the active downloading task for executing the active downloading task
After moment, the active downloading task reference time point update module is called；
The active downloading task reference time point update module is used to update the fiducial time of the active downloading task
The active downloading task is called to execute time point update module after point to the execution moment；
The active downloading task executes time point update module and is used for the execution time point of the active downloading task
Be updated to same active downloading task reference time point be added the time point obtained with execution interval duration after call the master
Dynamic downloading task sends back to module；
The time point that addition obtains is that passive downloading is appointed without falling into the timing downloading task in the set period of time
Business, the passive downloading task execute time point update module for the execution time point of the passive downloading task to be updated to
The reference time point of same passive downloading task calls the passive downloading after being added the time point obtained with execution interval duration
Task sends back to module；
The active downloading task sends back to module for calling after the active downloading task is sent back the database
The timing downloading task obtains module；
The passive downloading task sends back to module for calling after the passive downloading task is sent back the database
The timing downloading task obtains module；
Downloading task searching module when the passive execution module includes a command reception module, is certain, centainly at present
The passive execution module of load task and the passive update module of a reference time point；
Described instruction receiving module is used to receive the instruction of downloading task when for executing certain；
The timing downloading task searching module is used to find corresponding described fixed of described instruction from the database
When downloading task；
The passive execution module of timing downloading task is used to execute the corresponding timing downloading task of described instruction, and
Record the execution moment of the corresponding timing downloading task of described instruction；
The passive update module of reference time point is used to update the base of the corresponding timing downloading task of described instruction
Quasi- time point is the execution moment of the corresponding timing downloading task of described instruction.
Preferably, the executive device of the timing downloading task further includes having a threshold module, the timing downloading task
Module is obtained to be also used to call the threshold module that acquired timing downloading task is put into a timing downloading task queue,
The quantity of the timing downloading task in the timing downloading task queue stops the acquisition when being higher than a setting quantity,
Then the time point judgment module is called；
The time point judgment module is used for successively by the timing downloading task in the timing downloading task queue
Reference time point be added with execution interval duration, judge to be added whether time point for obtaining falls into the set period of time,
If then calling the active downloading task execution module, if the passive downloading task is otherwise called to execute time point update mould
Block.
Preferably, the executive device of the timing downloading task further includes having an active downloading task to execute moment record mould
Block and an error task processing module；
Being added the timing downloading task that the time point obtained falls into the set period of time is active downloading task；
The active downloading task execution module is used for, and executes the active downloading task, judges that the active downloading is appointed
Successful execution in the implementation number whether business sets one, if the active downloading task is then called to execute moment record mould
Block, if otherwise calling the error task processing module；
After the active downloading task executes the execution moment that moment logging modle is used to record the active downloading task,
Call the active downloading task reference time point update module；
The error task processing module is used to the active downloading task being sent to an error set of tasks.
Preferably, the executive device of the timing downloading task further includes having an error task to retransmit module；
The error task processing module after the active downloading task is sent to an error set of tasks for calling
The error task retransmits module；
The error task retransmits module for every by one first setting duration, from complete in the error set of tasks
Executable active downloading task is filtered out in portion's active downloading task, and the executable active downloading task is sent to institute
When stating database, and the reference time point of the executable active downloading task being updated to sending instant subtract execution interval
The long time point obtained.
Preferably, a length of interval receives several timing downloading tasks when the database is for one second setting, wherein every
Downloading task includes an execution time point, an execution interval duration and a reference time point when certain.
Positive effect of the present invention is: being used in combination by active execution method and passive execution method, is guaranteeing user
While experience, system cost has been saved to a greater extent.
Detailed description of the invention
Fig. 1 is the flow chart of the active execution method of present pre-ferred embodiments.
Fig. 2 is the flow chart of the passive execution method of present pre-ferred embodiments.
Fig. 3 is the structural schematic diagram of the executive device of the timing downloading task of present pre-ferred embodiments.
Specific embodiment
A preferred embodiment is named, and completely illustrates the present invention in conjunction with attached drawing to become apparent from.
Fig. 1 is the flow chart of the active execution method of the present embodiment, and Fig. 2 is the process of the passive execution method of the present embodiment
Figure, as shown in Fig. 1~2, the timing downloading task in the execution method for the timing downloading task that the present embodiment is related to is that air ticket is pre-
The downloading task of full cabin data is ordered in system, downloading task of each full cabin data includes an execution time point, one holds
Row interval duration and a reference time point.Wherein, a length of current newest from the downloading of Shipping service offer mechanism when execution interval
The interval duration of full cabin information, can be by experienced business expert for conditions such as different flights and periods, to each
A timing downloading task sets execution interval duration, can also automatically be changed according to the variation of the different attribute of each flight
Become the execution interval duration of corresponding timing downloading task.
The execution method for the timing downloading task that the present embodiment is related to includes an active execution method and a passive execution
Method, active execution method automatically appoint each timing downloading by the execution interval duration of aforementioned timing downloading task
The corresponding full cabin data of business are downloaded, and include following steps:
Step 1, a database are that interval receives under several timings with one second setting duration (for 1 minute in the present embodiment)
Load task.
Step 2 obtains several execution time points positioned at the set period of time for taking current time as starting out of database
Interior timing downloading task.
Step 21, the timing downloading task that will acquire are put into a timing downloading task queue, in timing downloading task team
The quantity of timing downloading task in column stops obtaining when being higher than setting quantity (being set as 1000 in the present embodiment).
Step 3, successively by the reference time point and execution interval of the timing downloading task in timing downloading task queue when
It is long to be added, judge to be added whether the time point obtained falls into set period of time, if so then execute step 4, if otherwise executing step
Rapid 62.
The timing downloading task that the time point that step 4, addition obtain falls into set period of time is active downloading task, is held
Row active downloading task, judge active downloading task whether one setting implementation number in successful execution, if so then execute step
Rapid 41,42 are thened follow the steps if not.
Step 41 after the execution moment for recording active downloading task, executes step 5.
Step 42 executes step 43 after active downloading task to be sent to an error set of tasks.
Step 43, one first setting duration (being set as 24 hours in the present embodiment) of every process, out of error set of tasks
Whole active downloading tasks in filter out executable active downloading task, executable active downloading task is sent to number
According to library, and the reference time point of executable active downloading task is updated to sending instant and subtracts what execution interval duration obtained
Time point.
Step 5, the reference time point for updating active downloading task execute step 61 to after executing the moment.
Step 61, the reference time point that the execution time point of active downloading task is updated to same active downloading task with
Execution interval duration executes step 71 after being added the time point obtained.
The time point that step 62, addition obtain is that passive downloading is appointed without falling into the timing downloading task in set period of time
The execution time point of passive downloading task is updated to the reference time point and execution interval duration of same passive downloading task by business
Step 72 is executed after being added the time point obtained.
Step 71 after active downloading task is sent back database, executes step 2.
Step 72 after passive downloading task is sent back database, executes step 2.
In addition, passively executing method after failure and user's transmission order is because of full cabin (i.e. nothing left ticket), updates and be somebody's turn to do
The full cabin of the targeted train number of order or flight (i.e. the targeted timing downloading task of order issues the instruction passively executed) etc.
Data.Since above-mentioned execution interval duration is possible to because the too long or other factors of setting, user consult current full cabin number
According to when be shown with remaining ticket, and it is out of date actually to expire cabin data, needs to re-download.
Passive execution method includes following steps:
Step 100 receives an instruction, instructs downloading task when for executing certain；
Step 200, the timing downloading task being found in the database in step 100；
Step 300 executes timing downloading task in step 100, and timing downloading task in recording step 100 is held
The row moment；
Step 400, the reference time point for updating the timing downloading task in step 100 are the execution moment in step 300.
Fig. 3 is the structural schematic diagram of the executive device of the timing downloading task of the present embodiment, as shown in figure 3, the present embodiment
The executive device for the timing downloading task being related to includes an active execution module and a passive execution module, and the active executes
Module includes: a database 101, it is certain when downloading task acquisition module 102, a threshold module 121, a time point judge mould
Block 103, an active downloading task execution module 104, an active downloading task execute the error task of moment logging modle 141, one
Processing module 142, error task are retransmitted under module 143, an active downloading task reference time point update module 105, an active
Carry task execution time point update module 161, a passive downloading task executes the actively downloading times of time point update module 162, one
Business sends back to module 171 and a passive downloading task sends back to module 172.
A length of interval receives several timing downloading tasks when database 101 is with one second setting, wherein each timing downloading
Task includes an execution time point, an execution interval duration and a reference time point.
Timing downloading task obtains module 102 and is located at for obtaining several execution time points out of database 101 with current
Moment is the timing downloading task in a set period of time of starting.
Timing downloading task obtains module 102 and is also used to call threshold module 121 for appointing acquired timing downloading
Business is put into a timing downloading task queue, and the quantity of the timing downloading task in timing downloading task queue is higher than a setting
Stop obtaining when quantity, then allocating time point judgment module 103.
Time point judgment module 103 is used for successively by the fiducial time of the timing downloading task in timing downloading task queue
Point is added with execution interval duration, judges to be added whether the time point obtained falls into set period of time, if then calling actively
Downloading task execution module 104, if passive downloading task is otherwise called to execute time point update module 162.
Being added the timing downloading task that the time point obtained falls into set period of time is active downloading task；
Whether active downloading task execution module 104 is used for, execute active downloading task, judge active downloading task one
Successful execution in the implementation number of setting, if then calling active downloading task to execute moment logging modle 141, if otherwise calling
Malfunction task processing module 142.
After active downloading task executes the execution moment that moment logging modle 141 is used to record active downloading task, call
Active downloading task reference time point update module 105.
Error task processing module 142 is used to call error to appoint after active downloading task to be sent to an error set of tasks
Module 143 is retransmitted in business.
Error task retransmits module 143 and sets duration by one first for every, main from the whole in error set of tasks
Executable active downloading task is filtered out in dynamic downloading task, executable active downloading task is sent to database 101,
And the reference time point of executable active downloading task is updated to sending instant and subtracts the time that execution interval duration obtains
Point.
Active downloading task reference time point update module 105 is used to update the reference time point of active downloading task to holding
Active downloading task is called to execute time point update module 161 after the row moment.
Active downloading task executes time point update module 161 for the execution time point of active downloading task to be updated to
The reference time point of same active downloading task calls active downloading task after being added the time point obtained with execution interval duration
Send back to module 171.
The time point that addition obtains is passive downloading task without falling into the timing downloading task in set period of time, under passive
It carries task execution time point update module 162 and is used to for being updated at the execution time point of passive downloading task same passive downloading times
The reference time point of business calls passive downloading task to send back to module 172 after being added the time point obtained with execution interval duration.
Active downloading task sends back to module 171 for calling under timing after active downloading task is sent back database 101
Carry task acquisition module 102.
Passive downloading task sends back to module 172 for calling under timing after passive downloading task is sent back database 101
Carry task acquisition module 102.
It is downloading task searching module 2000 when passive execution module includes a command reception module 1000, is certain, certain
When the passive execution module 3000 of the downloading task and passive update module 4000 of a reference time point.
Command reception module 1000 instructs downloading task when for executing certain for receiving an instruction；
Timing downloading task searching module 2000 from database 101 for finding the corresponding timing downloading task of instruction.
The passive execution module 3000 of timing downloading task is for executing instruction corresponding timing downloading task, and recording instruction
The execution moment of corresponding timing downloading task.
The passive update module 4000 of reference time point is used for the reference time point of the corresponding timing downloading task of more new command
For the execution moment for instructing corresponding timing downloading task.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (10)
1. a kind of execution method of timing downloading task, which is characterized in that it includes that an active execution method and one passively hold
Row method, the active execution method includes following steps:
S1, a database receive several timing downloading tasks, wherein each timing downloading task includes the execution time
Point, an execution interval duration and a reference time point；
S2, several execution time points are obtained out of described database positioned at the set period of time for taking current time as starting
Interior timing downloading task；
S3, the timing downloading task that will acquire reference time point be added with execution interval duration, judge to be added and obtain
Whether time point falls into the set period of time, if so then execute S4, if otherwise executing S62；
The timing downloading task that the time point that S4, addition obtain falls into the set period of time is active downloading task,
The active downloading task is executed, and after recording the execution moment of the active downloading task, executes S5；
S5, S61 is executed after updating the reference time point to the execution moment of the active downloading task；
It S61, the reference time point that the execution time point of the active downloading task is updated to same active downloading task and holds
Row interval duration executes S71 after being added the time point obtained；
The time point that S62, addition obtain is that passive downloading is appointed without falling into the timing downloading task in the set period of time
At the execution time point of the passive downloading task, is updated to the reference time point and execution interval of same passive downloading task by business
Duration executes S72 after being added the time point obtained；
S71, after the active downloading task is sent back the database, S2 is executed；
S72, after the passive downloading task is sent back the database, S2 is executed；
The passive execution method includes following steps:
S100, an instruction is received, described instruction is for downloading task when executing certain；
S200, the timing downloading task in S100 is found from the database；
S300, when executing the timing downloading task in S100, and recording the execution of the timing downloading task in S100
It carves；
S400, the reference time point for updating the timing downloading task in S100 are the execution moment in S300.
2. the execution method of timing downloading task as described in claim 1, which is characterized in that include between the S2 and S3
S21:
The timing downloading task that will acquire is put into a timing downloading task queue, the institute in the timing downloading task queue
Stop the acquisition when stating the quantity of timing downloading task higher than a setting quantity；
The S3 are as follows: successively by the reference time point and execution of the timing downloading task in the timing downloading task queue
It is spaced duration to be added, judges to be added whether the time point obtained falls into the set period of time, if so then execute S4, if otherwise
Execute S62.
3. the execution method of timing downloading task as claimed in claim 2, which is characterized in that the S4 are as follows:
Being added the timing downloading task that the time point obtained falls into the set period of time is active downloading task, is executed
The active downloading task, judge the active downloading task whether one setting implementation number in successful execution, if then
S41 is executed, if otherwise executing S42；
S41, after the execution moment for recording the active downloading task, S5 is executed；
S42, terminate process after the active downloading task is sent to an error set of tasks.
4. the execution method of timing downloading task as claimed in claim 3, which is characterized in that the S42 are as follows:
S43 is executed after the active downloading task is sent to an error set of tasks；
S43, one first setting duration of every process, filtering out from whole active downloading tasks in the error set of tasks can
The executable active downloading task is sent to the database, and the institute that will be can be performed by the active downloading task of execution
The reference time point for stating active downloading task is updated to sending instant and subtracts the time point that execution interval duration obtains.
5. the execution method of timing downloading task as described in claim 1, which is characterized in that the S1 are as follows:
A length of interval receives several timing downloading tasks when one database is with one second setting, wherein each timing downloading task
It include an execution time point, an execution interval duration and a reference time point.
6. a kind of executive device of timing downloading task, which is characterized in that it includes that an active execution module and one passively hold
Row module, the active execution module includes: a database, it is certain when downloading task acquisition module, a time point judge mould
Block, an active downloading task execution module, an active downloading task reference time point update module, an active downloading task execute
Time point update module, a passive downloading task executes time point update module, an active downloading task sends back to module and a quilt
Dynamic downloading task sends back to module；
The database is for receiving several timing downloading tasks, wherein when each timing downloading task includes an execution
Between point, an execution interval duration and a reference time point；
The timing downloading task obtains module and is located at for obtaining several execution time points out of described database to work as
The preceding moment is the timing downloading task in a set period of time of starting；
The reference time point and execution interval duration for the timing downloading task that the time point judgment module is used to will acquire
It is added, judges to be added whether the time point obtained falls into the set period of time, if then calling the active downloading task
Execution module, if the passive downloading task is otherwise called to execute time point update module；
Being added the timing downloading task that the time point obtained falls into the set period of time is active downloading task, described
Active downloading task execution module records the execution moment of the active downloading task for executing the active downloading task
Afterwards, the active downloading task reference time point update module is called；
The active downloading task reference time point update module is used to update the reference time point of the active downloading task extremely
The active downloading task is called to execute time point update module after the execution moment；
The active downloading task executes time point update module and is used to update the execution time point of the active downloading task
For same active downloading task reference time point be added the time point obtained with execution interval duration after call under the active
Load task sends back to module；
The time point that addition obtains is passive downloading task, institute without falling into the timing downloading task in the set period of time
It is same for the execution time point of the passive downloading task to be updated to state passive downloading task execution time point update module
The reference time point of passive downloading task calls the passive downloading task after being added the time point obtained with execution interval duration
Send back to module；
The active downloading task sends back to module for after the active downloading task is sent back the database, described in calling
Timing downloading task obtains module；
The passive downloading task sends back to module for after the passive downloading task is sent back the database, described in calling
Timing downloading task obtains module；
Downloading task searching module when the passive execution module includes a command reception module, is certain, it is certain when downloading appoint
Passive execution module of being engaged in and the passive update module of a reference time point；
Described instruction receiving module is used to receive the instruction of downloading task when for executing certain；
The timing downloading task searching module for finding under the corresponding timing of described instruction from the database
Load task；
The passive execution module of timing downloading task is recorded for executing the corresponding timing downloading task of described instruction
The execution moment of the corresponding timing downloading task of described instruction；
When the passive update module of reference time point is used to update the benchmark of the corresponding timing downloading task of described instruction
Between point be the corresponding timing downloading task of described instruction the execution moment.
7. the executive device of timing downloading task as claimed in claim 6, which is characterized in that the timing downloading task is held
It further includes having a threshold module that luggage, which is set, and the timing downloading task obtains module and is also used to call the threshold module that will be obtained
The timing downloading task taken is put into a timing downloading task queue, under the timing in the timing downloading task queue
The quantity of load task stops the acquisition when being higher than a setting quantity, then calls the time point judgment module；
The time point judgment module is used for successively by the base of the timing downloading task in the timing downloading task queue
Quasi- time point is added with execution interval duration, judges to be added whether the time point obtained falls into the set period of time, if
The active downloading task execution module is then called, if the passive downloading task is otherwise called to execute time point update module.
8. the executive device of timing downloading task as claimed in claim 7, which is characterized in that the timing downloading task is held
It further includes having an active downloading task to execute moment logging modle and an error task processing module that luggage, which is set,；
The active downloading task execution module is used for: being executed the active downloading task, is judged that the active downloading task is
The no successful execution in the implementation number of a setting, if the active downloading task is then called to execute moment logging modle, if
Otherwise the error task processing module is called；
After the active downloading task executes the execution moment that moment logging modle is used to record the active downloading task, call
The active downloading task reference time point update module；
The error task processing module is used to the active downloading task being sent to an error set of tasks.
9. the executive device of timing downloading task as claimed in claim 8, which is characterized in that the timing downloading task is held
It further includes having an error task to retransmit module that luggage, which is set,；
Described in the error task processing module is used to be sent to the active downloading task after one error set of tasks and calls
Error task retransmits module；
The error task retransmits module and sets duration by one first for every, main from the whole in the error set of tasks
Executable active downloading task is filtered out in dynamic downloading task, the executable active downloading task is sent to the number
It is updated to grow when sending instant subtracts execution interval according to library, and by the reference time point of the executable active downloading task
Time point out.
10. the executive device of timing downloading task as claimed in claim 6, which is characterized in that the database is used for one
A length of interval receives several timing downloading tasks when the second setting, wherein when each timing downloading task includes an execution
Between point, an execution interval duration and a reference time point.
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