CN105094811A - Method can device for processing events - Google Patents

Method can device for processing events Download PDF

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Publication number
CN105094811A
CN105094811A CN201510369678.1A CN201510369678A CN105094811A CN 105094811 A CN105094811 A CN 105094811A CN 201510369678 A CN201510369678 A CN 201510369678A CN 105094811 A CN105094811 A CN 105094811A
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Prior art keywords
event
interface
factory
unit
action listener
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CN201510369678.1A
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CN105094811B (en
Inventor
陈庆伟
鞠丹
胡海涛
李华冈
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Beijing Baidu Netcom Science and Technology Co Ltd
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Anyi Hengtong Beijing Technology Co Ltd
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Abstract

The invention provides a method and device for processing events. The method comprises steps that an event monitor unit logins its own event interfaces and event information to be monitored to an event factory; the event factory stores a corresponding relation between the logined event interfaces and event information; and an event distribution unit enumerates event interfaces corresponding to events binding to itself through the event factory, and the events binding to itself can be sent through the enumerated event interfaces. The method is easy to implement, the efficiency of event processing in an observer mode can be raised.

Description

A kind of method and apparatus of event handling
[technical field]
The present invention relates to Computer Applied Technology field, the method and apparatus of particularly a kind of event handling.
[background technology]
Observer Pattern is the one of software design pattern, in this kind of pattern, an observed person manages all observers depending upon it, and initiatively gives notice to observer when observed person's state changes, and this method usually provided by calling each observer realizes.This pattern is widely used in event handling system, in event handling system, such as user interface can as an observer, business datum is observed person, after user data changes, event is sent to observer, and observer responds this event and data variation is presented at user interface.
The Observer Pattern of current main-stream realizes based on the mode of boost signal groove, but the interface interchange level that boost signal groove relates to is a lot, and what invoked procedure adopted is the mode that value copies, and therefore efficiency comparison is low.
[summary of the invention]
In view of this, the invention provides a kind of method and apparatus of event handling, so that improve the event handling efficiency of Observer Pattern.
Concrete technical scheme is as follows:
The invention provides a kind of method of event handling, the method comprises:
The event interface of self and the event information that will monitor are registered to event factory by action listener unit;
Described event factory preserves the event interface of registration and the corresponding relation of event information;
Event dispatch unit enumerates the event interface corresponding to the event of self binding by described event factory, and sends the event of self binding by the event interface enumerated.
According to the present invention one preferred implementation, the event interface of self is registered to event factory with the event information that will monitor and comprises by described action listener unit:
The interpolation action listener person AddEventListener method that event factory described in described action listener cell call provides, using the event interface of described action listener unit self and the parameter of the event information that will monitor as institute's call method; Or,
AddEventListener method described in described action listener cell call, using the parameter of the event interface of described action listener unit self as institute's call method, wherein said event interface carries by the function preset the event information that will monitor.
According to the present invention one preferred implementation, the method also comprises:
Person RemoveEventListener method that what described in described action listener cell call, event factory provided remove action listener, using the event interface of described action listener unit self and the parameter of the event information that will monitor as institute's call method, or using the parameter of the event interface of described action listener unit self as institute's call method, wherein said event interface carries by the function preset the event information that will monitor;
The corresponding relation of described event interface and event information is deleted by described event factory.
According to the present invention one preferred implementation, the event interface that described event dispatch unit is enumerated corresponding to the event of self binding by described event factory comprises:
Described event dispatch unit calls the enumeration event listener EnumEventListener method that described event factory provides, using the parameter of the event information of described event dispatch unit binding as institute's call method;
Obtain the event interface corresponding to event of the described event dispatch unit binding that described event factory returns.
According to the present invention one preferred implementation, when the event of described event dispatch unit binding is triggered, perform the step of the event interface corresponding to event enumerating self binding by described event factory.
Present invention also offers a kind of device of event handling, this device comprises:
Action listener unit, for being registered to event factory by the event interface of self and the event information that will monitor;
Event factory, for the corresponding relation of the event interface and event information of preserving registration;
Event dispatch unit, for enumerated self binding by described event factory event corresponding to event interface, and sent the event of self binding by the event interface that enumerates.
According to the present invention one preferred implementation, described action listener unit, specifically for calling the interpolation action listener person AddEventListener method that described event factory provides, using the event interface of described action listener unit self and the parameter of the event information that will monitor as institute's call method; Or,
AddEventListener method described in described action listener cell call, using the parameter of the event interface of described action listener unit self as institute's call method, wherein said event interface carries by the function preset the event information that will monitor.
According to the present invention one preferred implementation, described action listener unit, the person RemoveEventListener method that removes action listener also for calling that described event factory provides, using the event interface of described action listener unit self and the parameter of the event information that will monitor as institute's call method, or using the parameter of the event interface of described action listener unit self as institute's call method, wherein said event interface carries by the function preset the event information that will monitor;
Described event factory, also for deleting the corresponding relation of described event interface and event information.
According to the present invention one preferred implementation, described event factory comprises: event factor interface and event factory realize unit;
Described event factor interface, for providing AddEventListener method and RemoveEventListener method to described action listener unit;
Described event factory realizes unit, for preserving or the corresponding relation of deletion event interface and event information.
According to the present invention one preferred implementation, described event dispatch unit, specifically for calling the enumeration event listener EnumEventListener method that described event factory provides, using the parameter of the event information of described event dispatch unit binding as institute's call method; Obtain the event interface corresponding to event of the described event dispatch unit binding that described event factory returns.
According to the present invention one preferred implementation, described event factory comprises: event factory realizes unit and interface is enumerated by event factory;
Interface is enumerated by described event factory, for providing EnumEventListener method to described event dispatch unit, and returns described event factory to described event dispatch unit and realizes unit definite event interface;
Described event factory realizes unit, for determining the event interface corresponding to the event that described event dispatch unit is bound.
According to the present invention one preferred implementation, described event dispatch unit, when the event that self binds is triggered, performs the operation of event interface corresponding to event enumerating self binding by described event factory.
As can be seen from the above technical solutions, by mode provided by the invention, action listener unit only needs the event interface of self and the event information that will monitor to be registered to event factory, event dispatch unit only need by event factory enumerate self binding event corresponding to event interface, the unified docking being completed action listener unit and event dispatch unit by event factory, and the docking of event and interface between action listener unit and event dispatch unit, is carried out without the need to the mode called by Multistage Interface and be worth copy, realize simpler, treatment effeciency is improved.
[accompanying drawing explanation]
The structural drawing of the event processing apparatus that Fig. 1 provides for the embodiment of the present invention;
The event-handling method process flow diagram that Fig. 2 provides for the embodiment of the present invention;
The instance graph of the device that Fig. 3 provides for the embodiment of the present invention.
[embodiment]
In order to make the object, technical solutions and advantages of the present invention clearly, describe the present invention below in conjunction with the drawings and specific embodiments.
The structural drawing of the event processing apparatus that Fig. 1 provides for the embodiment of the present invention, as shown in Figure 1, this device can comprise: action listener unit 00, event factory 10 and event dispatch unit 20, and wherein event factory 10 may further include event factor interface 11, event factory realizes unit 12 and interface 13 is enumerated by event factory.Below in conjunction with the event-handling method process flow diagram shown in Fig. 2, the event-handling method realized by this event processing apparatus is described in detail.
Action listener unit 00 object is to monitor event, and usual action listener unit 00 is just bound with concrete functional unit when developing, such as, there is the action listener unit bound with user interface, action listener unit bound with storage unit etc.There is corresponding event interface in each action listener unit, obtains event information by this event interface.This event interface and the event information that will monitor are that developer pre-sets too.
As shown in the step 201 in Fig. 2, the event interface of self and the event information that will monitor, initialized time, are registered to event factory 10 by action listener unit 00.
Particularly, action listener unit 00 can call AddEventListener (the adding action listener person) method that event factor interface 11 provides, using the event interface of action listener unit 00 and the parameter of the event information that will monitor as AddEventListener method.
Another implementation can also be adopted, namely action listener unit 00 can call the AddEventListener method that event factor interface 11 provides, using the parameter of the event interface of action listener unit 00 as AddEventListener method, wherein carry by the function preset the event information that will monitor in event interface.This mode is actually has bound event information by event interface in advance, and such as event interface can bind getEventname function in advance, and this getEventname function carries event information.
Wherein, event interface can be the interface class of action listener unit 00, event information can be action listener unit 00 monitor the title, numbering, mark etc. of event.
In 202 shown in Fig. 2, event factory 10 preserves the event interface of registration and the corresponding relation of event information.
Particularly, event factory realizes the responsible action listener unit 00 of preserving of unit 12 and is registered to the event interface of event factory 10 and the corresponding relation of event information.Due to multiple action listener unit 00 (" multiple " of the present invention refer to more than one) may be there is in event handling system, the plurality of action listener unit 00 may be monitored identical event, also may monitor respectively different events.Event factory 10 does not spend distinguishes whom concrete action listener unit 00 is, as long as the event information having event monitoring unit 00 registered events interface and will monitor, then event factory 10 just preserves the event interface of registration and the corresponding relation of event information.
In addition, action listener unit 00 can also by calling RemoveEventListener that in event factory 10, event factor interface 11 provides (remove action listener person) method, using the event interface of action listener unit 00 and the event information that will the monitor parameter as institute's call method.Event factory realizes the corresponding relation that unit 12 deletes this event interface and the event information preserved, and this process can be called anti-registration process.
In 203 shown in Fig. 2, after the event of event dispatch unit 20 binding is triggered, event dispatch unit 20 enumerates the event interface corresponding to the event of this event dispatch unit 20 binding by event factory 10.
Usual each event all correspondence has event dispatch unit 20, and this event dispatch unit 20 is responsible for calling event interface, after event is triggered, event is distributed to corresponding event interface, thus the distributing of realization event.
In this step, EnumEventListener (enumeration event listener) method that interface 13 provides is enumerated by the event factory that event dispatch unit 20 can call event factory 10, and event information event dispatch unit 20 bound is as the parameter of institute's call method.Event factory enumerates interface 13 and event factory is realized unit 12 definite event interface and return to event dispatch unit 20, and event realizes the event interface corresponding to event information that unit 12 is responsible for determining to carry when calling EnumEventListener method.Namely event dispatch unit 20 provides the event information of binding to event factory 10, such as event title, numbering, mark etc., the corresponding relation between all event interface and event information is inquired about by event factory 10, enumerate event interface corresponding for this event information, and return to event dispatch unit 20.
In addition, it should be noted that, in step 203 event interface enumerate the mode that can adopt dynamic enumeration as mentioned above, namely when event dispatch unit 20 binding events are triggered, the event interface that dynamic enumeration is corresponding with this event information.But the present invention is not limited to the mode of this dynamic enumeration, also can when initialization, event dispatch unit 20 just carries out enumerating of event interface, but this mode needs periodically or has new registration or anti-when registering, upgrade in time 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 sends by the event interface enumerated the event be triggered.
Event dispatch unit 20, without the need to knowing whom the listener of event is, only needs the event interface by enumerating in advance to send the event information triggered.For action listener unit 00, by the EventMethod (event methods) of event interface that inherited namely by the monitoring of event interface realization event.
Give one example below, suppose, for this object of browser address bar, to there is multiple listener, such as browser display interface and data storage cell etc., in this example embodiment only for these two listeners, corresponding device composition can be as shown in Figure 3.The action listener unit CaddressBarUIEventListener at browser display interface and the action listener unit CtabdataEventListener of data storage cell registers respectively to event factory.
Suppose that the event that it will be monitored comprises wherein a kind of address field change events, i.e. Navigate (navigation) event, when so registering, CaddressBarUIEventListener calls the AddEventListener method that event factory provides, and using the parameter of the event information Navigate of event interface IaddressBarUIEvent and monitoring as AddEventListener method.CtabdataEventListener calls the AddEventListener method that event factory provides, and using the parameter of the event information Navigate of event interface ItabdataEvent and monitoring as AddEventListener method.
Event factory preserves the corresponding relation of IaddressBarUIEvent and Navigate, and the corresponding relation of ItabdataEvent and Navigate.
If Navigate event is triggered, such as trigger Navigate event when " rollback " on browser/" advance " button is clicked, the EnumEventListener method that event factory provides then is called with the event dispatch unit CnavigateEventDispatcher of Navigate event binding, using the parameter of the information of Navigate event as institute's call method, such as, this event name of Navigate is referred to as parameter.Event factory determines that the event interface corresponding with Navigate comprises IaddressBarUIEvent and ItabdataEvent, then IaddressBarUIEvent and ItabdataEvent is returned to CnavigateEventDispatcher, thus the event interface completing CnavigateEventDispatcher is enumerated.
Then, this Navigate event is distributed to the event interface IaddressBarUIEvent and ItabdataEvent that enumerate by CnavigateEventDispatcher.Because CaddressBarUIEventListener and CtabdataEventListener inherits the EventMethod method of IaddressBarUIEvent and ItabdataEvent respectively, therefore just automatically achieve the monitoring to Navigate event respectively.When the event of carrying out distributes, mainly comprise distributing of event content, this event content distribute the change that can cause browser display contents displayed on interface, and data storage cell store the change of content.
The action listener unit related in above-mentioned example, event dispatch unit, event title and the call method related to are only schematic example, and other titles also can be adopted to be replaced.
In several embodiment provided by the present invention, should be understood that, disclosed apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, and such as, the division of described unit, is only a kind of logic function and divides, and actual can have other dividing mode when realizing.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that hardware also can be adopted to add SFU software functional unit realizes.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) perform the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (Read-OnlyMemory, ROM), random access memory (RandomAccessMemory, RAM), magnetic disc or CD etc. various can be program code stored medium.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.

Claims (12)

1. a method for event handling, is characterized in that, the method comprises:
The event interface of self and the event information that will monitor are registered to event factory by action listener unit;
Described event factory preserves the event interface of registration and the corresponding relation of event information;
Event dispatch unit enumerates the event interface corresponding to the event of self binding by described event factory, and sends the event of self binding by the event interface enumerated.
2. method according to claim 1, is characterized in that, the event interface of self is registered to event factory with the event information that will monitor and comprises by described action listener unit:
The interpolation action listener person AddEventListener method that event factory described in described action listener cell call provides, using the event interface of described action listener unit self and the parameter of the event information that will monitor as institute's call method; Or,
AddEventListener method described in described action listener cell call, using the parameter of the event interface of described action listener unit self as institute's call method, wherein said event interface carries by the function preset the event information that will monitor.
3. method according to claim 2, is characterized in that, the method also comprises:
Person RemoveEventListener method that what described in described action listener cell call, event factory provided remove action listener, using the event interface of described action listener unit self and the parameter of the event information that will monitor as institute's call method, or using the parameter of the event interface of described action listener unit self as institute's call method, wherein said event interface carries by the function preset the event information that will monitor;
The corresponding relation of described event interface and event information is deleted by described event factory.
4. method according to claim 1, is characterized in that, the event interface that described event dispatch unit is enumerated corresponding to the event of self binding by described event factory comprises:
Described event dispatch unit calls the enumeration event listener EnumEventListener method that described event factory provides, using the parameter of the event information of described event dispatch unit binding as institute's call method;
Obtain the event interface corresponding to event of the described event dispatch unit binding that described event factory returns.
5. the method according to the arbitrary claim of Claims 1-4, is characterized in that, when the event of described event dispatch unit binding is triggered, performs the step of the event interface corresponding to event enumerating self binding by described event factory.
6. a device for event handling, is characterized in that, this device comprises:
Action listener unit, for being registered to event factory by the event interface of self and the event information that will monitor;
Event factory, for the corresponding relation of the event interface and event information of preserving registration;
Event dispatch unit, for enumerated self binding by described event factory event corresponding to event interface, and sent the event of self binding by the event interface that enumerates.
7. device according to claim 6, it is characterized in that, described action listener unit, specifically for calling the interpolation action listener person AddEventListener method that described event factory provides, using the event interface of described action listener unit self and the parameter of the event information that will monitor as institute's call method; Or,
AddEventListener method described in described action listener cell call, using the parameter of the event interface of described action listener unit self as institute's call method, wherein said event interface carries by the function preset the event information that will monitor.
8. device according to claim 7, it is characterized in that, described action listener unit, the person RemoveEventListener method that removes action listener also for calling that described event factory provides, using the event interface of described action listener unit self and the parameter of the event information that will monitor as institute's call method, or using the parameter of the event interface of described action listener unit self as institute's call method, wherein said event interface carries by the function preset the event information that will monitor;
Described event factory, also for deleting the corresponding relation of described event interface and event information.
9. the device according to claim 7 or 8, is characterized in that, described event factory comprises: event factor interface and event factory realize unit;
Described event factor interface, for providing AddEventListener method and RemoveEventListener method to described action listener unit;
Described event factory realizes unit, for preserving or the corresponding relation of deletion event interface and event information.
10. device according to claim 6, it is characterized in that, described event dispatch unit, specifically for calling the enumeration event listener EnumEventListener method that described event factory provides, using the parameter of the event information of described event dispatch unit binding as institute's call method; Obtain the event interface corresponding to event of the described event dispatch unit binding that described event factory returns.
11. devices according to claim 10, is characterized in that, described event factory comprises: event factory realizes unit and interface is enumerated by event factory;
Interface is enumerated by described event factory, for providing EnumEventListener method to described event dispatch unit, and returns described event factory to described event dispatch unit and realizes unit definite event interface;
Described event factory realizes unit, for determining the event interface corresponding to the event that described event dispatch unit is bound.
12. devices according to claim 6,7,8,10 or 11, is characterized in that, described event dispatch unit, when the event that self binds is triggered, performs the operation of the event interface corresponding to event enumerating self binding by described event factory.
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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
CN108319509A (en) * 2017-12-20 2018-07-24 瑞斯康达科技发展股份有限公司 A kind of event management method, system and main control device
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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
CN110018821A (en) * 2019-04-09 2019-07-16 苏州浪潮智能科技有限公司 A kind of method and device handling webpage information
CN110263070A (en) * 2019-05-30 2019-09-20 北京创鑫旅程网络技术有限公司 Event report method and device
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
CN111596975A (en) * 2020-04-29 2020-08-28 五八有限公司 Event calling method and device, electronic equipment and storage medium
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