CN105094811B - A kind of method and apparatus of event handling - Google Patents
A kind of method and apparatus of event handling Download PDFInfo
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- CN105094811B CN105094811B CN201510369678.1A CN201510369678A CN105094811B CN 105094811 B CN105094811 B CN 105094811B CN 201510369678 A CN201510369678 A CN 201510369678A CN 105094811 B CN105094811 B CN 105094811B
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Abstract
The present invention provides a kind of method and apparatus of event handling, wherein method includes: that the event interface of itself and the event information to be monitored are registered to event factory by event monitoring unit；The event factory saves the event interface of registration and the corresponding relationship of event information；Event dispatch unit enumerates event interface corresponding to the event of itself binding by the event factory, and the event interface by enumerating sends the event of itself binding.The present invention realizes simply, improves the event handling efficiency of Observer Pattern.
Description
[technical field]
The present invention relates to computer application technology, in particular to a kind of method and apparatus of event handling.
[background technique]
Observer Pattern is one kind of software design pattern, and in such mode, observed person's management is all interdependent
It actively gives notice to observer in its observer, and when observed person's state changes, this usually passes through calling
Method that each observer provides is realized.This mode is widely used in event handling system, in event handling system, example
If user interface can be used as an observer, business datum is observed person, and after user data changes, event is sent out
Observer is given, observer responds the event and shows data variation in user interface.
The Observer Pattern of current main-stream is that the mode based on boost signal slot is realized, however boost signal slot is related to
Interface call level very much, calling process is using the mode of value copy, therefore efficiency is relatively low.
[summary of the invention]
In view of this, the present invention provides a kind of method and apparatus of event handling, in order to improve Observer Pattern
Event handling efficiency.
Specific technical solution is as follows:
The present invention provides a kind of methods of event handling, this method comprises:
The event interface of itself and the event information to be monitored are registered to event factory by event monitoring unit；
The event factory saves the event interface of registration and the corresponding relationship of event information；
Event dispatch unit enumerates event interface corresponding to the event of itself binding by the event factory, and leads to
Cross the event that the event interface enumerated sends itself binding.
A preferred embodiment according to the present invention, the event monitoring unit is by the event interface of itself and the thing to be monitored
Part information registering includes: to event factory
The addition event monitoring person AddEventListener that event factory described in the event monitoring cell call provides
Method, using the event interface of the event monitoring unit itself and the event information to be monitored as the parameter of institute's call method；
Alternatively,
AddEventListener method described in the event monitoring cell call, by the event monitoring unit itself
Parameter of the event interface as institute's call method is believed wherein the event interface carries the event to be monitored by preset function
Breath.
A preferred embodiment according to the present invention, this method further include:
The removal event monitoring person that event factory described in the event monitoring cell call provides
RemoveEventListener method makees the event interface of the event monitoring unit itself and the event information to be monitored
For the parameter of institute's call method, or using the event interface of the event monitoring unit itself as the parameter of institute's call method,
Wherein the event interface carries the event information to be monitored by preset function；
The corresponding relationship of the event interface and event information is deleted by the event factory.
A preferred embodiment according to the present invention, the event dispatch unit enumerate itself by the event factory and tie up
Event interface corresponding to fixed event includes:
The enumeration event listener EnumEventListener that the event dispatch unit calls the event factory to provide
Method, using the event information of event dispatch unit binding as the parameter of institute's call method；
Obtain event interface corresponding to the event for the event dispatch unit binding that the event factory returns.
A preferred embodiment according to the present invention executes logical when the event of event dispatch unit binding is triggered
Cross the step of event factory enumerates event interface corresponding to the event of itself binding.
The present invention also provides a kind of device of event handling, which includes:
Event monitoring unit, for the event interface of itself and the event information to be monitored to be registered to event factory；
Event factory, for saving the event interface of registration and the corresponding relationship of event information；
Event dispatch unit connects for enumerating event corresponding to the event of itself binding by the event factory
Mouthful, and the event interface by enumerating sends the event of itself binding.
A preferred embodiment according to the present invention, the event monitoring unit, specifically for calling the event factory to mention
Addition event monitoring person's AddEventListener method of confession by the event interface of the event monitoring unit itself and will supervise
Parameter of the event information listened as institute's call method；Alternatively,
AddEventListener method described in the event monitoring cell call, by the event monitoring unit itself
Parameter of the event interface as institute's call method is believed wherein the event interface carries the event to be monitored by preset function
Breath.
A preferred embodiment according to the present invention, the event monitoring unit are also used to that the event factory is called to provide
Removal event monitoring person's RemoveEventListener method, the event interface of the event monitoring unit itself and will want
Parameter of the event information of monitoring as institute's call method, or using the event interface of the event monitoring unit itself as institute
The parameter of call method, wherein the event interface carries the event information to be monitored by preset function；
The event factory, is also used to delete the corresponding relationship of the event interface and event information.
A preferred embodiment according to the present invention, the event factory include: that event factor interface and event factory realize
Unit；
The event factor interface, for the event monitoring unit provide AddEventListener method and
RemoveEventListener method；
The event factory realizes unit, for saving or the corresponding relationship of deletion event interface and event information.
A preferred embodiment according to the present invention, the event dispatch unit, specifically for calling the event factory to mention
The enumeration event listener EnumEventListener method of confession, using the event dispatch unit binding event information as
The parameter of institute's call method；Obtain event corresponding to the event for the event dispatch unit binding that the event factory returns
Interface.
A preferred embodiment according to the present invention, the event factory include: that event factory realizes unit and event factory
Enumerates interface；
Event factory enumerates interface, for providing EnumEventListener method to the event dispatch unit,
And the event factory is returned to the event dispatch unit and realizes unit definite event interface；
The event factory realizes unit, for determining that event corresponding to the event of the event dispatch unit binding connects
Mouthful.
A preferred embodiment according to the present invention, the event dispatch unit are held when the event that itself binds is triggered
Row enumerates the operation of event interface corresponding to the event of itself binding by the event factory.
As can be seen from the above technical solutions, the mode provided through the invention, event monitoring unit are only needed itself
Event interface and the event information to be monitored be registered to event factory, event dispatch unit only needs to enumerate by event factory
Event interface corresponding to the event of itself binding out, it is unified that event monitoring unit and event dispatch unit are completed by event factory
Docking, and between event monitoring unit and event dispatch unit without Multistage Interface call and value copy by way of come into
The docking of part and interface is acted, realization is simpler, and treatment effeciency is improved.
[Detailed description of the invention]
Fig. 1 is the structure chart of event processing apparatus provided in an embodiment of the present invention；
Fig. 2 is event-handling method flow chart provided in an embodiment of the present invention；
Fig. 3 is the instance graph of a device provided in an embodiment of the present invention.
[specific embodiment]
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The present invention is described in detail.
Fig. 1 is the structure chart of event processing apparatus provided in an embodiment of the present invention, as shown in Figure 1, the apparatus may include:
Event monitoring unit 00, event factory 10 and event dispatch unit 20, wherein event factory 10 may further include event work
Factory's interface 11, event factory realize unit 12 and event factory enumerates interface 13.Below with reference to event-handling method shown in Fig. 2
The event-handling method realized by the event processing apparatus is described in detail in flow chart.
00 purpose of event monitoring unit be in order to monitor event, usual event monitoring unit 00 in exploitation just with it is specific
Functional unit is bound, such as there is the event monitoring unit bound with user interface, is supervised with the event of storage unit binding
Listen unit etc..There are corresponding event interfaces for each event monitoring unit, obtain event information by the event interface.The thing
Part interface and the event information to be monitored similarly are that developer pre-sets.
As shown in the step 201 in Fig. 2, event monitoring unit 00 at the time of initialization, by the event interface of itself and
The event information to be monitored is registered to event factory 10.
Specifically, the AddEventListener that event monitoring unit 00 can call event factor interface 11 to provide (adds
Add event monitoring person) method, using the event interface of event monitoring unit 00 and the event information to be monitored as
The parameter of AddEventListener method.
Another implementation can also be used, i.e. event monitoring unit 00 can call event factor interface 11 to provide
AddEventListener method, using the event interface of event monitoring unit 00 as the ginseng of AddEventListener method
Number, wherein carrying the event information to be monitored by preset function in event interface.This mode is actually in advance by thing
Part interface is bundled with event information, such as event interface can be bundled with getEventname function in advance, should
GetEventname function carries event information.
Wherein, event interface can be the interface class of event monitoring unit 00, and event information can be event monitoring unit
Title, number, the mark etc. of 00 monitored event.
In shown in Fig. 2 202, event factory 10 saves the event interface of registration and the corresponding relationship of event information.
Specifically, event factory realizes that unit 12 is responsible for saving the event that event monitoring unit 00 is registered to event factory 10
The corresponding relationship of interface and event information.Since there may be multiple 00 (this hairs of event monitoring unit in event handling system
Bright " multiple " refer to more than one), multiple event monitoring unit 00 may monitor identical event,
Different events may be monitored respectively.It is whom that event factory 10, which does not spend and distinguishes specific event monitoring unit 00, only
There are 00 registered events interface of event monitoring unit and the event information to be monitored, then event factory 10 just saves the event of registration
The corresponding relationship of interface and event information.
In addition, event monitoring unit 00 can also be by calling the offer of event factor interface 11 in event factory 10
RemoveEventListener (remove event monitoring person) method by the event interface of event monitoring unit 00 and to be monitored
Parameter of the event information as institute's call method.Event factory realizes that unit 12 deletes the event interface saved and event information
Corresponding relationship, this process is properly termed as anti-registration process.
In shown in Fig. 2 203, after the event that event dispatch unit 20 is bound is triggered, event dispatch unit 20 is logical
It crosses event factory 10 and enumerates event interface corresponding to the event of the event dispatch unit 20 binding.
Usual each event is all corresponding with event dispatch unit 20, which is responsible for calling event interface, thing
After part is triggered, event is distributed to corresponding event interface, to realize distributing for event.
In this step, event dispatch unit 20 can call the event factory enumerates interface 13 of event factory 10 to provide
EnumEventListener (enumeration event listener) method, using event information that event dispatch unit 20 is bound as being adjusted
With the parameter of method.Event factory realization 12 definite event interface of unit is returned to event group by event factory enumerates interface 13
Bill member 20, event realize that unit 12 is responsible for determining that the event information institute carried when calling EnumEventListener method is right
The event interface answered.I.e. event dispatch unit 20 provides the event information of binding, such as event title, volume to event factory 10
Number, mark etc., the corresponding relationship between all event interfaces and event information is inquired by event factory 10, is enumerated the event
The corresponding event interface of information, and return to event dispatch unit 20.
In addition, it is necessary to illustrate, event interface enumerates the side that can use dynamic enumeration as described above in step 203
Formula, i.e., when the event bound in event dispatch unit 20 is triggered, dynamic enumeration event interface corresponding with the event information.But
The present invention is not limited to the modes of this dynamic enumeration, can also be in initialization, and event dispatch unit 20 connects with regard to carry out event
Mouthful enumerate, but when this mode needs periodically or have new registration or anti-registration, timely update the event interface enumerated,
Therefore, the mode of the preferred dynamic enumeration of the present invention.
In as shown in Figure 2 204, event dispatch unit 20 passes through the event interface enumerated and sends the thing being triggered
Part.
Event dispatch unit 20 is without knowing that whom the listener of event is, it is only necessary to pass through the event interface enumerated in advance
Send the event information of triggering.For event monitoring unit 00, pass through the event interface inherited
EventMethod (event methods) can realize the monitoring of event by event interface.
It gives one example below, it is assumed that for this object of browser address bar, there are multiple listeners, such as browser
Display interface and data storage cell etc., in this example embodiment only by taking the two listeners as an example, corresponding device composition can be as
Shown in Fig. 3.The event monitoring unit CaddressBarUIEventListener and data of browser display interface store single
The event monitoring unit CtabdataEventListener of member is registered to event factory respectively.
Assuming that its event to be monitored includes one of address field change events, i.e. Navigate (navigation) event, that
When registration, the AddEventListener method that CaddressBarUIEventListener calls event factory to provide, and
Using event interface IaddressBarUIEvent and the event information Navigate of monitoring as the side AddEventListener
The parameter of method.The AddEventListener method that CtabdataEventListener calls event factory to provide, and by event
The parameter of interface ItabdataEvent and the event information Navigate of monitoring as AddEventListener method.
The corresponding relationship and ItabdataEvent of event factory preservation IaddressBarUIEvent and Navigate
With the corresponding relationship of Navigate.
If Navigate event is triggered, such as when " rollback " on browser/" advance " button is clicked and triggers
Navigate event then calls thing with the event dispatch unit CnavigateEventDispatcher of Navigate event binding
The EnumEventListener method that part factory provides, using the information of Navigate event as the parameter of institute's call method, example
Such as by Navigate, this event name is referred to as parameter.Event factory determines that event interface corresponding with Navigate includes
IaddressBarUIEvent and ItabdataEvent, then return to IaddressBarUIEvent and ItabdataEvent
CnavigateEventDispatcher, so that the event interface for completing CnavigateEventDispatcher is enumerated.
Then, which is distributed to the event interface enumerated by CnavigateEventDispatcher
IaddressBarUIEvent and ItabdataEvent.Due to CaddressBarUIEventListener and
CtabdataEventListener inherits the EventMethod of IaddressBarUIEvent and ItabdataEvent respectively
Method, therefore just realize the monitoring to Navigate event automatically respectively.It mainly include in event when carry out event distributes
That holds distributes, which distributes the variation that browser display interface can be caused to show content and data storage cell
The variation of institute's storage content.
Event monitoring unit, event dispatch unit, event title and the called side being related to being related in examples detailed above
Method is only schematical example, can also be replaced using other titles.
In several embodiments provided by the present invention, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
Only a kind of logical function partition, there may be another division manner in actual implementation.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
It is each that equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute the present invention
The part steps of embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. it is various
It can store the medium of program code.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (8)
1. a kind of method of event handling, which is characterized in that this method comprises:
The event interface of itself and the event information to be monitored are registered to event factory by event monitoring unit；
The event factory saves the event interface of registration and the corresponding relationship of event information；
The enumeration event listener method that event dispatch unit calls the event factory to provide, the event dispatch unit is tied up
Parameter of the fixed event information as institute's call method；Obtain the event dispatch unit binding that the event factory returns
Event interface corresponding to event；
Wherein the event interface of itself and the event information to be monitored are registered to event factory and include: by the event monitoring unit
The method that event factory described in the event monitoring cell call provides, this method is for adding event monitoring person, by institute
State the event interface and parameter of the event information to be monitored as institute's call method of event monitoring unit itself；Alternatively,
Described event monitoring cell call the method, using the event interface of the event monitoring unit itself as institute's called side
The parameter of method, wherein the event interface carries the event information to be monitored by preset function.
2. the method according to claim 1, wherein this method further include:
The removal event monitoring person side RemoveEventListener that event factory described in the event monitoring cell call provides
Method, using the event interface of the event monitoring unit itself and the event information to be monitored as the parameter of institute's call method, or
Person is using the event interface of the event monitoring unit itself as the parameter of institute's call method, wherein the event interface passes through in advance
If function carry the event information to be monitored；
The corresponding relationship of the event interface and event information is deleted by the event factory.
3. method according to claim 1 or 2, which is characterized in that when the event of event dispatch unit binding is touched
When hair, the step of executing the enumeration event listener method for calling the event factory to provide.
4. a kind of device of event handling, which is characterized in that the device includes:
Event monitoring unit, for the event interface of itself and the event information to be monitored to be registered to event factory；
Event factory, for saving the event interface of registration and the corresponding relationship of event information；
Event dispatch unit, the enumeration event listener method for calling the event factory to provide, the event is distributed
Parameter of the event information of unit binding as institute's call method；Obtain the event dispatch unit that the event factory returns
Event interface corresponding to the event of binding；
The wherein event monitoring unit, the method specifically for calling the event factory to provide, this method is for adding thing
Part listener, using the event interface of the event monitoring unit itself and the event information to be monitored as the ginseng of institute's call method
Number；Alternatively, the method is called, using the event interface of the event monitoring unit itself as the parameter of institute's call method,
Described in event interface by preset function carry the event information to be monitored.
5. device according to claim 4, which is characterized in that the event monitoring unit is also used to call the event
Removal event monitoring person's RemoveEventListener method that factory provides, by the event of the event monitoring unit itself
Interface and parameter of the event information to be monitored as institute's call method, or the event of the event monitoring unit itself is connect
Parameter of the mouth as institute's call method, wherein the event interface carries the event information to be monitored by preset function；
The event factory, is also used to delete the corresponding relationship of the event interface and event information.
6. device according to claim 5, which is characterized in that the event factory includes: event factor interface and event
Factory realizes unit；
The event factor interface, for the event monitoring unit provide AddEventListener method and
RemoveEventListener method；
The event factory realizes unit, for saving or the corresponding relationship of deletion event interface and event information.
7. device according to claim 4, which is characterized in that the event factory include: event factory realize unit and
Event factory enumerates interface；
Event factory enumerates interface is used for event dispatch unit offer EnumEventListener method, and to
The event dispatch unit returns to the event factory and realizes unit definite event interface；
The event factory realizes unit, for determining event interface corresponding to the event of the event dispatch unit binding.
8. according to device described in claim 4,5,6 or 7, which is characterized in that the event dispatch unit was bound at itself
When event is triggered, the operation of the enumeration event listener method for calling the event factory to provide is executed.
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| CN108920150A (en) * | 2017-04-11 | 2018-11-30 | 武汉斗鱼网络科技有限公司 | A kind of event management method and device |
| CN108319509B (en) * | 2017-12-20 | 2020-10-23 | 瑞斯康达科技发展股份有限公司 | Event management method, system and master control equipment |
| CN108108170B (en) * | 2018-01-04 | 2021-04-27 | 武汉斗鱼网络科技有限公司 | Decoupling method and system of assembly |
| CN110018821B (en) * | 2019-04-09 | 2020-10-30 | 苏州浪潮智能科技有限公司 | Method and device for processing webpage information |
| CN110263070B (en) * | 2019-05-30 | 2021-10-08 | 北京创鑫旅程网络技术有限公司 | Event reporting method and device |
| CN111596975B (en) * | 2020-04-29 | 2021-07-16 | 五八有限公司 | Event calling method and device, electronic equipment and storage medium |
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| CN101599029A (en) * | 2009-07-09 | 2009-12-09 | 浪潮电子信息产业股份有限公司 | Utilize case mechanism in the intermodule method of transferring data among a kind of flex |
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| CN101599029A (en) * | 2009-07-09 | 2009-12-09 | 浪潮电子信息产业股份有限公司 | Utilize case mechanism in the intermodule method of transferring data among a kind of flex |
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Effective date of registration: 20190809 Address after: 100085 Beijing, Haidian District, No. ten on the ground floor, No. 10 Baidu building, layer 2 Patentee after: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: 100193 room 1-01, 1-03, 1-04, block C, software Plaza, building 4, No. 8, Mong West Road, Beijing, Haidian District Patentee before: Pacify a Heng Tong (Beijing) Science and Technology Ltd. |