CN101877833B - Method and device for subscribing information of presentity - Google Patents
Method and device for subscribing information of presentity Download PDFInfo
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- CN101877833B CN101877833B CN 200910136960 CN200910136960A CN101877833B CN 101877833 B CN101877833 B CN 101877833B CN 200910136960 CN200910136960 CN 200910136960 CN 200910136960 A CN200910136960 A CN 200910136960A CN 101877833 B CN101877833 B CN 101877833B
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Abstract
The embodiment of the invention provides a method and a device for subscribing information of a presentity, and the method comprises the following steps: receiving a subscribing request message which carries a first member mark and list extended instruction parameters; inquiring a list which contains the first member mark according to the list extended instruction parameters; and subscribing the presenting information or observer information of the members in the list according to the inquiry result. By adopting the method and the device for subscribing the information of the presentity, a subscriber can get the presenting information or observer information of all other members in the whole list by subscribing the presenting information or observer information of one member in the list when the subscriber does not know the information of the list at which a certain presentity is located, such as the presentity mark of the list or the presentity marks of all the members in the list.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of subscription presents the method and apparatus of the information of body.
Background technology
OMA (Open Mobile Alliance, Open Mobile Alliance) presents issue and the discover method that service enabler (PresenceEnabler) provides a kind of general service, equipment, personal information, can be used for issue and the discovery of professional and User Status by other service enabler (as instant message etc.).Observer (Watcher) specifically presents body sign (Presentity URI) by subscribe request and obtains certain and present body (Presentity) or certain presents a plurality of presentation information that present body in the tabulation (Presence List).For the former, what each presented that body has self presents body sign; For the latter, describedly present tabulation and must satisfy specific the Resources list (Resource List) document format, and having the special-purpose body that presents of tabulation identifies, the observer passes through to resource list server (Resource List Server, RLS) subscribe to the sign that this presents tabulation, could obtain this and present the presentation information that respectively presents body in the tabulation.Similarly, presentation information publisher can also subscribe to one conversely and present the watcher information that respectively presents body in the tabulation, is used for understanding the situation that presentation information publisher self observed person subscribes to.
In the practical application, the observer may only know sometimes present certain special member in the tabulation present the body sign, but because a variety of causes, presenting tabulation is as described created by the observed person, present list information and can't obtain this, comprise that all members' in the sign of whole tabulation or the tabulation presents body sign.Such as, the observed person has a plurality of terminals that difference presents the body sign that have, they belong to an observed person's the device rendered tabulation of personal network jointly, and the observer only knows that the body that presents of one of them terminal identifies, but can't know observed person's the device rendered tabulation of personal network.At this moment, the observer can only subscribe to the presentation information of known member terminal in this tabulation, and can't utilize the described presentation information that presents all member terminal of list subscription observed person.
In addition, often has multiple other list information that presents tabulation that is different from the user data, as group list (Shared Group), shared tabulation (Shared List) or other professional specific tabulation etc.These tabulations (as Shared Group) might not be satisfied the Resources list document format, also not necessarily have the special-purpose body that presents of tabulation and identify (as Shared List), identify but comprise a plurality of bodies that present that can be used for subscribing presence information (or watcher information).Under the prior art condition, the observer must identify according to the body that presents that comprises in these list informations, creates again to present tabulation accordingly, could subscribe to the corresponding presentation information that presents body then, and can not directly reuse existing various tabulation.
Therefore, the inventor finds in realizing process of the present invention, in the prior art, and on the one hand, the observer can only use and presenting the batches of subscription that tabulation sign or group identification are realized the presentation information of a plurality of tabulation members or a plurality of group members, can not use the tabulation of other types; On the other hand, the observer must know in advance and present tabulation or the sign of group, or present in the tabulation whole members present the body sign, could subscribe to the presentation information of all members in the whole tabulation.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of subscription to present the method and apparatus of the information of body, to solve under the situation of all members' signs of not knowing to tabulate, identify the presentation information of all members in the subscription list or the technical problem of watcher information by one of them member.
The above-mentioned purpose of the embodiment of the invention is achieved by the following technical solution:
A kind of subscription presents the method for the information of body, and described method comprises: receive the subscription request message of carrying first member sign and tabulation expansion indication parameter that the subscriber sends; Inquiry comprises the tabulation of described first member sign according to described tabulation expansion indication parameter; Presentation information or the watcher information of subscribing to member in the described tabulation according to Query Result send to described subscriber.
A kind of subscription presents the device of the information of body, and described device comprises: receiving element is used for receiving the subscription request message of carrying first member sign and tabulation expansion indication parameter that the subscriber sends; Query unit is used for inquiring about the tabulation that comprises described first member sign according to described tabulation expansion indication parameter; Subscriber units sends to described subscriber for presentation information or the watcher information of subscribing to described tabulation member according to Query Result.
The method and apparatus that presents the information of body by the subscription of the embodiment of the invention, make the subscriber not understand the specific body place list information that presents, for example under the situation that presents the body sign that presents all members in body sign or the tabulation of tabulation, can obtain presentation information or the watcher information of all other members in the whole tabulation by presentation information or the watcher information of a member in the subscription list.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute limitation of the invention.In the accompanying drawings:
Fig. 1 is the method flow diagram of one embodiment of the invention;
Fig. 2 is the method flow diagram of another embodiment of the present invention;
Fig. 3 is the method flow diagram of another embodiment of the present invention;
Fig. 4 is the information interaction schematic diagram of one embodiment of the invention;
Fig. 5 is the information interaction schematic diagram of another embodiment of the present invention;
Fig. 6 is the information interaction schematic diagram of another embodiment of the present invention;
Fig. 7 is the information interaction schematic diagram of another embodiment of the present invention;
Fig. 8 is the device composition frame chart of the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, below in conjunction with embodiment and accompanying drawing, the embodiment of the invention is described in further details.At this, illustrative examples of the present invention and explanation thereof are used for explanation the present invention, but not as a limitation of the invention.
The embodiment of the invention provides a kind of subscription to present the method for the information of body, below in conjunction with accompanying drawing present embodiment is elaborated.
Embodiment one
Fig. 1 is the method flow diagram of the embodiment of the invention, please refer to Fig. 1, and the method that the subscription of the embodiment of the invention presents the information of body mainly comprises:
101: receive the subscription request message of carrying first member sign and tabulation expansion indication parameter that the subscriber sends;
102: inquiry comprises the tabulation of described first member sign according to described tabulation expansion indication parameter;
103: presentation information or the watcher information of subscribing to member in the described tabulation according to Query Result send to described subscriber.
In the present embodiment, carry the subscription request message of first member sign and tabulation expansion indication parameter and initiated by the subscriber, for example, the observer of the presentation information that presents body of pulling subscription, the observed person of the watcher information that presents body of perhaps pulling subscription etc.This subscriber only knows a certain sign that presents body, and for example first member sign can be expanded the information that presents body that indication parameter is subscribed to the tabulation member that comprise this first member sign in conjunction with tabulation according to this sign.
Wherein, presentation information or watcher information comprise the device-dependent message that presents body, and or present the descriptor of the service that body can provide, and or the user profile relevant with presenting body etc., present embodiment not with this as restriction.
In the present embodiment, tabulation expansion indication parameter can comprise: list type, tabulation territory, the quantity of tabulating, the nested indication of tabulating, list update indication, filtercondition etc. are one or more, wherein:
The list type parameter can be that (Application Unique ID AUID), presents the rls-services of list application to specific application identities as expression; Or specific NameSpace sign (Namespace), as urn:ietf:params:xml:ns:rls-services; Or other can distinguish the sign of different list type.
The tabulation field parameter has shown the tabulation place network domains that will inquire about, as this territory of observer (home), specific objective network domains (target) or whole territory (all); Or also comprise specific user domain sign (XCAPUser Identifier, XUI), as sip:user1example.com.
Tabulation quantity parameter is used for when existing a plurality of when comprising first member and identifying, and is defined for the tabulation quantity of subscription.
The number of members parameter is used for being defined for the number of members of subscription.
The nested indication parameter of tabulating be used for to limit whether allow further Query List institute nested quote other tabulate, and allow the nested number of plies etc.
The list update indication parameter is used for limiting the situation of change that whether needs tracking enquiry result tabulation member.
The filtercondition parameter is used for according to other keyword, as the further tabulation that satisfies condition of screening such as the theme of tabulation, title.
The method of present embodiment can be applied to have the tabulation expansion and subscribe in the device of function, be contained in resource list server, or be contained in other independently servers, for the treatment of subscriber's presentation information or the subscribe request of watcher information, and give the subscriber with result notification.
The method that presents the information of body by the subscription of the embodiment of the invention, make the subscriber do not understand specific when presenting body place list information, for example under the situation that presents the body sign that presents all members in body sign or the tabulation of tabulation, can obtain presentation information or the watcher information of all members in the whole tabulation by presentation information or the watcher information of a member in the subscription list.
In conjunction with different tabulation expansion indication parameter, the method for the embodiment of the invention has different implementations in the process of Query List and subscription list information about firms, below by different embodiment this is illustrated.
Embodiment two
Fig. 2 is the method flow diagram of present embodiment, in the present embodiment, this method is applied to the tabulation expansion and subscribes to functional device LESF (List Expend Subscribe Function), this tabulation expansion is subscribed to functional device and can be contained in resource list server, or other servers independently, present embodiment not with this as restriction, please refer to Fig. 2, the method for present embodiment mainly comprises:
201:LESF receives the subscribe request of carrying first member sign and tabulation expansion indication parameter;
202:LESF comprises the tabulation of first member sign according to tabulation expansion indication parameter to the listserv inquiry of correspondence, and obtains the Query Result tabulation;
Wherein, listserv is determined according to tabulation expansion indication parameter, can be at least one, for example, when tabulation expansion indication parameter comprises list type, and this list type is when tabulating for the personal network, and then Dui Ying listserv is personal network's listserv; When list type was group list and shared tabulation, then Dui Ying listserv was group list server and shared listserv.
Wherein, tabulation expansion indication parameter can also comprise the tabulation territory, in order to further determine listserv in the scope in this tabulation territory; Or only comprise the tabulation territory, in order in the scope in this tabulation territory, determine listserv.
203:LESF merges into first tabulation with the Query Result tabulation, and deletes the tabulation member who wherein repeats;
In the present embodiment, if tabulation expansion indication parameter has comprised tabulation or number of members, then LESF can be according to the restriction of this tabulation or number of members, the Query Result of limits quantity is tabulated or the member merges into first and tabulates.
For example, suppose that the Query Result tabulation comprises three, and tabulation quantity parameter is defined as 2, then LESF can be with any two in three Query Result tabulations that obtain, or merge into first according to two tabulations that local policy is selected and tabulate, and delete the member who repeats in the selected tabulation, and only keep one that repeats among the member.Not having merged tabulation for another one, how the embodiment of the invention handles if not limiting.
Again for example, suppose to have comprised three members in the Query Result tabulation, and member's quantity parameter is defined as 2, then LESF can be with any two among three members that obtain, or two of selecting according to local policy merge into first tabulation.Not having merged member for another one, how the embodiment of the invention handles if not limiting.
In the present embodiment, if tabulation expansion indication parameter has comprised the nested indication of tabulation, then LESF can be according to the nested list in the Query Result tabulation, and further the body that presents of the member in this nested list of inquiry identifies in other servers, and then merges.
For example, the member who supposes Query Result tabulation presents body sign URI-A and the URI-B except comprising, also comprise nested list M, then LESF can inquire about member that this nested list M comprises (as M to its listserv that belongs to according to the home domain of this nested list M
1, M
2) present body sign URI-M
1, URI-M
2, first tabulation after then merging comprises member URI-A, URI-B, URI-M
1, URI-M
2
In the present embodiment, if tabulation expansion indication parameter has comprised filtercondition, then LESF can further filter the Query Result tabulation according to this filtercondition, and the Query Result tabulation after filtering is merged.
204:LESF judges that whether described first tabulation is empty, if execution in step 205-206 then, otherwise execution in step 207-208.
205-206:LESF directly subscribes to this first member's presentation information or watcher information to the ownership presence server of first member sign, and advise fate is transmitted to the subscriber.
207:LESF is to RLS the pull subscription first tabulation member's presentation information or watcher information, and that carries first all members of tabulation in this subscribe request presents body sign.
208:LESF will be transmitted to the subscriber from the notification message of RLS, wherein comprise all members' of the tabulation of first after the polymerization presentation information or watcher information.
Wherein, step 205 and 206 belongs to the situation of directly subscribing to the ownership presence server, and step 207 and 208 belongs to the situation of subscribing to by RLS, and its concrete flow process belongs to prior art, does not repeat them here.
In the present embodiment, if tabulation expansion indication parameter has comprised the list update indication, after then LESF obtains the Query Result tabulation by step 202, when first tabulation is merged in described Query Result tabulation, also further subscribe to above-mentioned Query Result tabulation to the listserv of correspondence, or regularly inquire about the tabulation that comprises first member sign again to the listserv of correspondence, and change in order to follow the tracks of the tabulation member, obtain the Query Result tabulation of upgrading.
Wherein, LESF can comprise the subscription of the tabulation information about firms of described first member sign again according to tabulation member's situation of change.Please refer to Fig. 3, when the member at least one Query Result tabulation changed, the method for present embodiment also comprised:
301: according to the list update result who obtains, LESF judges that member's sign of at least one Query Result tabulation changes.
Wherein, the list update result can be by further subscribing to above-mentioned Query Result tabulation to the listserv of correspondence, or regularly inquire about the tabulation that comprises first member sign again to the listserv of correspondence and obtain, present embodiment not with this as restriction, will in following embodiment, be elaborated and obtain the list update result.
302-304: if deleted first member sign in the Query Result that the changes tabulation, after then LESF deletes this Query Result tabulation of having deleted first member sign, will remain the Query Result tabulation and merge into second tabulation; Otherwise LESF directly merges into second tabulation with all Query Result tabulations.
305:LESF judges that whether second tabulation is empty, if execution in step 306,310 then, otherwise execution in step 307-310.
306:LESF request RLS cancellation except first member all other presentation information or the subscribe request of watcher information.
Wherein, because this flow process shown in Figure 3 is the processing procedure under the situation that Query Result tabulation member changes.Therefore, when second tabulation when empty, then first tabulation is non-NULL, and because first tabulation during for non-NULL, is the information of subscribing to the first tabulation member by RLS.Therefore, according to present embodiment, Query Result tabulation is changed to " sky " of second tabulation by " non-NULL " of first tabulation, then LESF request RLS cancellation except first member all other presentation information or the subscribe request of watcher information, only subscribe to first information about firms by RLS.
307:LESF judges whether to exist the direct subscribing relationship to first member sign, judges just whether first tabulation is empty, if execution in step 308-310 then, otherwise execution in step 309-310.
Wherein, because flow process shown in Figure 3 is the processing procedure under the situation that Query Result tabulation member changes, therefore, when second tabulation was non-NULL, then first tabulation may be sky, also may be non-NULL.According to present embodiment, if first tabulation is for empty, mean that so the Query Result tabulation is changed to " non-NULL " of second tabulation by " sky " of first tabulation, then there has been the direct subscribing relationship to first member sign, so will cancel this subscribing relationship earlier, again by the tabulation behind the RLS subscription non-NULL, i.e. secondary series telogenesis person's information (step 308,309); If first tabulation is non-NULL, mean that so the Query Result tabulation is member's variation or has increased new Query Result tabulation, then substitute the first tabulation member with secondary series telogenesis person, ask RLS to subscribe to secondary series telogenesis person's information (step 309).
The 308:LESF cancellation is subscribed to first member's presentation information or the request of watcher information to the ownership presence server of first member sign.
309:LESF upgrades subscribing relationship, and request RLS subscribes to secondary series telogenesis person's presentation information or watcher information, and the body that presents that carries second all members of tabulation in this subscribe request identifies.
310:LESF will be transmitted to the subscriber from the notification message of RLS, wherein comprise presentation information or watcher information by the RLS polymerization.
In the present embodiment, RLS identifies according to the body that presents in the subscribe request of LESF transmission, send subscribe request to corresponding ownership presence server, and after obtaining respectively to present the presentation information or watcher information of body, with described presentation information or watcher information polymerization, return to LESF, LESF sends to the subscriber with the information after the polymerization again.This is prior art, does not repeat them here.
The subscription that provides by the embodiment of the invention presents the method for the information of body, make the subscriber not understand the specific body place list information that presents, for example under the situation that presents the body sign that presents all members in body sign or the tabulation of tabulation, can obtain presentation information or the watcher information of all other members in the whole tabulation by presentation information or the watcher information of a member in the subscription list.In addition, therefore member's information, make the subscriber can use non-other multiple tabulation that presents tabulation because the sign that do not need to tabulate can obtain to tabulate, and carries out the subscription of presentation information or watcher information.
For the method that makes the embodiment of the invention is clear more understandable, subscribes to flow process below in conjunction with difference present embodiment is elaborated.
Embodiment three
The subscription that Fig. 4 provides for the embodiment of the invention presents the interaction diagrams of the information of body, and in the present embodiment, user Alice is a personal network user, have a plurality of terminal equipments, be designated URI-A, URI-B respectively, URI-C, and issue its presentation information respectively on presence server A, B, C.Safeguarded its personal network's device identification tabulation in personal network's server of user Alice.Observer John only knows the terminal iidentification URI-A of user Alice, and attempt to subscribe to the presentation information that obtains all personal network's equipment of Alice by URI-A, in order to select the most appropriate terminal equipment and Alice to establish a communications link, or ask to obtain services shared from certain terminal equipment of Alice, please refer to Fig. 4, according to the method for present embodiment, this subscription procedure comprises:
401: observer John to tabulation expansion subscribe to functional device (LESF) send pull subscription present body A and comprise A present that other presents the subscription request message of the presentation information of body in the tabulation.Wherein, carry the sign URI-A that presents body A in this subscription request message at least, and tabulation expansion indication parameter.
For example, comprised tabulation territory and list type in the described tabulation expansion indication parameter, the territory of wherein tabulating has indicated that to need the tabulation of expanding query network domains be the home domain of Alice, as realm=example.org, and user identification domain is Alice, as xui=sip:aliceexample.org; List type is for personal network's tabulation, as AUID=org.openmobilealliance.cpns.
Wherein, tabulation expansion indication parameter is carried in the extended message head of subscription request message, realizes as increase new condition code (feature-tag) in the Accept-Contact header field of expression transmit leg preference; Or the message body of using the subscription request message expansion, realize as adopting XML document.
402:LESF according to the list type parameter in the described subscription request message and the tabulation field parameter to corresponding listserv, it is the tabulation that comprises URI-A in personal network's server lookup specific user catalogue, in the present embodiment, this specific user's catalogue is xui=sip:aliceexample.org, and each member's of this tabulation of acquisition request the body that presents identifies.
Wherein, described query script can use based on the XQuery search command of http protocol and realize, also can use other existing inquiring technology, realize as database query command, present embodiment not with this as restriction.
403: personal network's server is according to the query requests of local authorization rule and LESF, and the body that presents that returns the tabulation member who satisfies condition identifies, as＜URI-A, URI-B, URI-C 〉.
Wherein, local authorization rule can be the mandate to different subscribers, also can be the mandate that difference is presented body, can also be mandate to Different L ESF etc., present embodiment not with this as restriction.
404:LESF obtains above-mentioned Query Result tabulation＜URI-A, URI-B, URI-C〉after, to the pull subscription presentation information of each member in the Query Result tabulation of RLS, that wherein carries each member presents body sign＜URI-A, URI-B, URI-C 〉.
405-406:RLS identifies according to the body that presents that carries in the subscribe request of receiving, respectively to the attribution server that respectively presents body, send the request (step 405a, 405b, 405c) of subscribing to its presentation information as PS A, PS B, PS C, and in the notification message of correspondence, obtain respectively to present the presentation information (step 406a, 406b, 406c) of body.
The presentation information that respectively presents body that 407:RLS will receive is carried out polymerization and is handled.
The presentation information of 408-409:RLS after with polymerization sends to LESF, and LESF is transmitted to observer John again.
According to the method for the embodiment of the invention, observer John has only just obtained the presentation information of all personal network's equipment of Alice by the terminal iidentification of Alice.
In the present embodiment, " observer " John also can replace with some terminal equipments of Alice self, and Alice subscribes to the observed situation of its terminal equipment as the observed person.At this moment, subscribe to event type and replace with " watcher information " by " presentation information ", then utilize the method for present embodiment, user Alice can be by using its arbitrary terminal, the terminal that identifies as URI-A, subscribe to the functional device LESF watcher information of personal network's list of devices of comprising this terminal self identification (URI-A) that pulls subscription to tabulation expansion, thereby obtain the observer of its all personal network's terminals, as the information of John.Like this, user Alice can directly utilize personal network's terminal list to realize subscribing to the watcher information of whole terminals, and need not to present tabulation for personal network's terminal list repeats to create one.
Embodiment four
The subscription that Fig. 5 provides for the embodiment of the invention presents the interaction diagrams of the information of body.In the present embodiment, the observer only knows the sign URI-A that presents body A, and attempts to subscribe to A place group list (Shared Group) and share the presentation information of other member in the tabulation (Shared List) by URI-A.Please refer to Fig. 5, according to the method for present embodiment, this subscription procedure comprises:
501: the observer to tabulation expansion subscribe to functional device (LESF) send pull subscription present body A and comprise A present that other presents the subscription request message of the presentation information of body in the tabulation.Wherein, carry the sign URI-A that presents body A in this subscription request message at least, and tabulation expansion indication parameter.
For example, comprised tabulation territory, list type, the nested indication of tabulation and tabulation quantity in the described tabulation expansion indication parameter, wherein, the tabulation territory has indicated the home domain that the tabulation that needs expanding query is positioned at A, as realm=example.org; List type is group list and shared tabulation, as AUID=org.openmobilealliance.groups, and resource-lists; Nested query is supported in the nested indication of tabulating, so that the nested list in the Query Result tabulation that obtains is further inquired about; Tabulation quantity indicates does not limit tabulation quantity, merges with all Query Result tabulations that will obtain.
In addition, can also comprise other filtercondition in the described tabulation expansion indication parameter, as subject=football, return to offer the Query Result tabulation that listserv will meet this filtercondition; Or according to this filtercondition the Query Result tabulation that obtains is filtered.
Wherein, tabulation expansion indication parameter is carried in the extended message head of subscription request message, realizes as increase new condition code (feature-tag) in the Accept-Contact header field of expression transmit leg preference; Or the message body of using the subscription request message expansion, realize as adopting XML document.
502:LESF according to the list type parameter in the described subscription request message and the tabulation field parameter to corresponding listserv, the group list server (Shared GroupXDMS) and shared listserv (the Shared List XDMS) expanding query that namely present body A home domain comprise the tabulation of URI-A, and each member's of this tabulation of acquisition request the body that presents identifies (step 502a and 502b).
Wherein, described query script can use based on the XQuery search command of http protocol and realize, also can use other existing inquiring technology, realize as database query command, present embodiment not with this as restriction.
Wherein, this tabulation expanding query can also carry the filtercondition of receiving in the step 501, is football as topic keyword, in order to obtain to meet the Query Result tabulation of this filtercondition.
503: each listserv is according to the query requests of local authorization rule and LESF, and the body that presents that returns the tabulation member who satisfies condition identifies.For example, the Query Result that returns from group list server and shared listserv is respectively＜URI-A URI-B〉and＜URI-A, URI-C〉(step 503a, 503b).
Wherein, local authorization rule can be the mandate to different subscribers, also can be the mandate that difference is presented body, can also be mandate to Different L ESF etc., present embodiment not with this as restriction.
Wherein, if also comprise nested list in the Query Result tabulation, then LESF can be according to the nested indication parameter of the tabulation of receiving in the step 501, and according to the sign of this nested list, for example its home domain is selected from what other server continued inquiry and obtained member the nested list to present the body sign.
In the present embodiment, group list server and shared listserv respectively return a qualified tabulation, and this just illustrates, and they also may return a plurality of URI-A of comprising and qualified tabulation, follow-up processing flow is constant, present embodiment not with this as restriction.
504:LESF with the member that respectively tabulates in the tabulation of the Query Result that obtains present that the body sign merges into that first tabulation and deletion wherein repeat present body sign URI-A, keep unduplicated body sign＜URI-A, URI-B, the URI-C of presenting 〉.
Wherein, according to the restriction of the tabulation of receiving in the step 501 or number of members parameter, LESF can select only to merge the member of limited quantity column table, gets rid of the member in the unnecessary tabulation; Perhaps select only to merge the member of limited quantity, get rid of unnecessary member.In the present embodiment, because to tabulation quantity without limits, so this step can merge all tabulation members that obtain.
According to present embodiment, amalgamation result first tabulation is non-NULL, execution in step 508～513.Optionally, if amalgamation result first tabulation is empty, namely there is not the tabulation that comprises URI-A that satisfies condition, then execution in step 505～507 back process ends.
505-507:LESF represents the observer directly subscribes to presentation information from A to the ownership presence server PS A that presents body A, and the presentation information that obtains is transmitted to the observer.
508:LESF is to RLS each member's the presentation information in first tabulation that pulls subscription, and that wherein carries each member in first tabulation presents body sign＜URI-A, URI-B, URI-C 〉.
509-510:RLS identifies according to the body that presents that carries in the subscribe request of receiving, send the request (step 509a, 509b, 509c) of subscribing to its presentation information to attribution server PS A, the PS B, the PS C that respectively present body respectively, and in the notification message of correspondence, obtain respectively to present the presentation information (step 510a, 510b, 510c) of body.
The presentation information that respectively presents body that 511:RLS will receive is carried out polymerization and is handled.
The presentation information of 512-513:RLS after with polymerization sends to LESF, and LESF is transmitted to the observer again.
Present embodiment is illustrated information subscribing first, and in the present embodiment, tabulation expansion indication parameter does not comprise the list update indication, and namely LESF does not follow the tracks of tabulation and changes.By the method for present embodiment, the observer only presents body sign URI-A by one and has just obtained this and present body A place group list and share the presentation information of other members in the tabulation.
Embodiment five
The subscription that Fig. 6 provides for the embodiment of the invention presents the interaction diagrams of the information of body, in the present embodiment, comprised the list update indication parameter in the list of hypotheses expansion indication parameter, require to follow the tracks of tabulation member's variation, and according to the method for previous embodiment four, when subscribing to first, first tabulation is non-NULL, please refer to Fig. 6, according to the method for present embodiment, this renewal subscription procedure comprises:
601-604: identical with the step 501-504 among the embodiment four.
605: identical with the step 508-513 among the embodiment four.
606: if the expansion of the tabulation in the subscription request message in the step 601 indication parameter has comprised the list update indication parameter, then being judged as needs tracking tabulation member to change, and carries out subsequent step 607-615.
In the present embodiment, any time executed in parallel that this step 606 can be after step 603.
607:LESF is further to the Query Result tabulation that obtains during group list server and shared listserv pull subscription step 603.
In the present embodiment, LESF can regularly send the message that the Query Result that pulls subscription is tabulated to group list server and shared listserv according to the predefined cycle; Also can send the request message of pre-determined number according to local policy, with query of subscription the results list; Can also carry out the subscription of Query Result tabulation according to other strategies, present embodiment not with this as restriction.
In the present embodiment, the List name of the Query Result tabulation that LESF can obtain according to step 603 be subscribed to the more new situation of member in this tabulation, and present embodiment not with this as restriction.
608:LESF obtains the list update notice, supposes that wherein the advise fate that shared listserv returns no longer comprises the sign URI-A that presents body A, but a new tabulation＜URI-C, URI-D 〉;
609:LESF deletion is from the renewal tabulation＜URI-C that shares listserv, URI-D 〉, only will be from the tabulation＜URI-A of group list server, URI-B integrate with second and tabulate;
In the present embodiment, LESF can also cancel sharing tabulation＜URI-C that listserv returns, URI-D〉subscription.
In the present embodiment, the tabulation of second after the merging is non-NULL, so execution in step 610.
If second tabulation after merging for empty, all no longer comprises URI-A in all tabulations of namely upgrading, then in the step 610, LESF will only comprise the sign URI-A that presents body A to the subscribe request that RLS upgrades.Correspondingly, RLS will cancel except to all other presentation information subscribing relationship the URI-A.
610:LESF upgrades the subscribe request that sends to RLS, with secondary series telogenesis person sign＜URI-A, URI-B〉the first original tabulation member sign＜URI-A of replacement, URI-B, URI-C 〉;
611-612:RLS identifies according to the body that presents that carries in the subscribe request of receiving, find to have existed for the subscribing relationship that presents body A, B and C when subscribing to first, then continue to keep and PS A and PS B between to the presentation information subscribing relationship (step 611a, 611b) of URI-A and URI-B, and in the notification message of correspondence, obtain respectively to present the presentation information (step 612a, 612b) of body, simultaneously between cancellation and the PSC to the subscribing relationship (step 611c, 612c) of URI-C.
The presentation information that respectively presents body that 613:RLS will receive is carried out polymerization and is handled.
614-615:RLS only comprises the presentation information that presents body A and B after with polymerization and sends to LESF, and LESF is transmitted to the observer again.
The list update indication that present embodiment comprises according to tabulation expansion indication parameter, follow the tracks of the situation of change of tabulation by the mode of query of subscription the results list, first tabulation is non-NULL when subscribing to first, after tabulation changes, the situation of the information subscribing that presents body when second tabulation is sky or non-NULL is illustrated, by the method for present embodiment, when the Query Result tabulation changes, can still realize the subscription that presents body place group list and share other members' presentation information in the tabulation a certain.
Embodiment six
The subscription that Fig. 7 provides for the embodiment of the invention presents the interaction diagrams of the information of body, in the present embodiment, has comprised the list update indication parameter in the list of hypotheses expansion indication parameter, requires to follow the tracks of tabulation member's variation.First tabulation is for empty when supposing the subscription first in previous embodiment four.According to the method for present embodiment, this renewal subscription procedure comprises:
701-702: identical with the step 501-502 among the embodiment four.
703: each listserv is according to the query requests of local authorization rule and LESF, and the body that presents that returns the tabulation member who satisfies condition identifies.In the present embodiment, do not find qualified tabulation, therefore, the Query Result that group list server and shared listserv return all is empty (step 703a, 703b).
704:LESF merges into first tabulation with the member's that respectively tabulates in the Query Result tabulation that obtains the body sign that presents, and is judged as sky.
705: identical with the step 505-507 among the embodiment four.
706: if the expansion of the tabulation in the subscription request message in the step 701 indication parameter has comprised the list update indication parameter, then being judged as needs tracking tabulation member to change, and carries out subsequent step 707-716.
In the present embodiment, any time executed in parallel that this step 706 can be after step 703.
707:LESF regularly inquires about the tabulation (step 707a, 707b) that comprises the sign URI-A that presents body A to aforesaid group list server and shared listserv again;
The Query Result that 708:LESF obtains to upgrade is tabulated, suppose to have increased newly in the group list server and comprise the tabulation that presents body A, the Query Result that then returns tabulation is＜URI-A, URI-B〉(step 708a), not becoming and share the tabulation of listserv Query Result, still is empty (step 708b);
709:LESF will merge into the second tabulation＜URI-A, URI-B from the Query Result tabulation of group list server and shared listserv 〉.
In the present embodiment, the tabulation of second after the merging is non-NULL, so execution in step 710.
If second tabulation after merging still is empty, the Query Result tabulation that namely comprises URI-A does not change, and then LESF still keeps the direct subscription to URI-A, no longer execution in step 710-716.
710: because first tabulation is for empty, so there has been the direct subscribing relationship to URI-A in LESF, and therefore, when second tabulation during for non-NULL, LESF wants in the cancellation step 5 the direct subscription to URI-A.
711:LESF is to RLS each member's the presentation information in second tabulation that pulls subscription, and that wherein carries each member in second tabulation presents body sign＜URI-A, URI-B 〉.
712-713:RLS identifies according to the body that presents that carries in the subscribe request of receiving, sends request (the step 712a that subscribes to its presentation information to the attribution server PS A, the PS B that respectively present body respectively.712b), obtain respectively to present the presentation information (step 713a, 713b) of body and in the notification message of correspondence.
The presentation information that respectively presents body that 714:RLS will receive is carried out polymerization and is handled.
The presentation information of 715-716:RLS after with polymerization sends to LESF, and LESF is transmitted to the observer again.
The list update indication that present embodiment comprises according to tabulation expansion indication parameter, method by the regular update inquiry is followed the tracks of the situation of change of tabulating, first tabulation is for empty when subscribing to first, after tabulation changes, the situation of the information subscribing that presents body when second tabulation is sky or non-NULL is illustrated, by the method for present embodiment, when the Query Result tabulation changes, can still realize the subscription that presents body place group list and share other members' presentation information in the tabulation a certain.
Embodiment seven
The embodiment of the invention also provides a kind of subscription to present the device of the information of body, below in conjunction with accompanying drawing present embodiment is elaborated.
Fig. 8 is the device composition frame chart of present embodiment, please refer to Fig. 8, and the device that the subscription of the embodiment of the invention presents the information of body mainly comprises:
Receiving element 81 is used for receiving the subscription request message of carrying first member sign and tabulation expansion indication parameter that the subscriber initiates;
In the present embodiment, query unit 82 comprises:
Wherein, enquiry module 822 can be by comprising the tabulation of described first member sign based on the XQuery search command of http protocol or database query command to described listserv or data base querying, present embodiment not with this as restriction.
In the present embodiment, subscriber units 83 comprises:
This merges tabulation or number of members parameter that module 831 also is used for expanding according to described tabulation indication parameter, and first tabulation is merged in the Query Result tabulation that will meet described tabulation or number of members.
In the present embodiment, this subscriber units 83 also comprises:
Directly subscribing module 832 for when first of merging module 831 merging are tabulated to sky, is subscribed to presentation information or the watcher information that described first member identifies to described first member's ownership presence server;
According to a further embodiment of the invention, described device also comprises: request unit 84 and updating block 85, wherein:
In the present embodiment, described device also comprises:
Merge cells 86, be used for the tabulation member in described list update notice or the described Query Result renewal tabulation is merged into second tabulation, if have the tabulation that does not comprise described first member sign in the described list update notice, second tabulation is merged into other tabulations in then this tabulation of deletion earlier again.
This merge cells 86 also is used for tabulation or the number of members parameter according to described tabulation expansion indication parameter, and second tabulation is merged in the Query Result tabulation that will meet described tabulation or number of members.
According to present embodiment, indirect subscriptions module 833 is used in second tabulation for empty, and learn according to direct subscribing module 832 not exist when described first member's ownership presence server subscribed to the subscribing relationship of the presentation information of described first member sign or watcher information, subscribe to described first member's presentation information or watcher information by resource list server; And in described second tabulation for non-NULL, and learn according to direct subscribing module 832 not exist when described first member's ownership presence server subscribed to the subscribing relationship of the presentation information of described first member sign or watcher information, subscribe to presentation information or the watcher information of each member in described second tabulation by resource list server; And in described second tabulation for non-NULL, and when learning that according to direct subscribing module 832 existence is subscribed to the subscribing relationship of the presentation information of described first member sign or watcher information to described first member's ownership presence server, after subscribing to the presentation information or watcher information of described first member sign by 832 cancellations of direct subscribing module to described first member's ownership presence server, subscribe to presentation information or the watcher information of each member in described second tabulation by resource list server.
Directly subscribing module 832 is used in described second tabulation for empty, and exist when described first member's ownership presence server subscribed to the subscribing relationship of the presentation information of described first member sign or watcher information, keep described first member's ownership presence server is subscribed to the presentation information of described first member sign or the subscribing relationship of watcher information; And in described second tabulation for non-NULL, and exist when described first member's ownership presence server subscribed to the subscribing relationship of the presentation information of described first member sign or watcher information, presentation information or the watcher information of described first member sign subscribed in cancellation to described first member's ownership presence server.
The device that the subscription of present embodiment presents the information of body is used for the function that functional device LESF is subscribed in realization preceding method embodiment tabulation expansion, because in preceding method embodiment, the function to LESF has been described in detail, so do not repeat them here.
The device that the subscription of present embodiment presents the information of body can be contained in resource list server RLS, strengthens module as one among the RLS and disposes; Also can be used as independent function entity and dispose, present embodiment not with this as restriction.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (19)
1. a subscription presents the method for the information of body, it is characterized in that described method comprises:
Receive the subscription request message of carrying first member sign and tabulation expansion indication parameter that the subscriber sends;
Inquiry comprises the tabulation of described first member sign according to described tabulation expansion indication parameter;
Presentation information or the watcher information of subscribing to member in the described tabulation according to Query Result send to described subscriber.
2. method according to claim 1 is characterized in that, described tabulation expansion indication parameter comprises list type parameter and/or tabulation field parameter, then inquires about the tabulation that comprises described first member sign according to described tabulation expansion indication parameter and comprises:
Determine listserv or the database that needs are inquired about according to described list type parameter and/or described tabulation field parameter;
Comprise the tabulation that described first member identifies to described listserv or data base querying;
Receive the Query Result tabulation that described listserv or database return.
3. method according to claim 2 is characterized in that, described Query Result tabulation is at least one, and then described method also comprises:
First tabulation is merged in described Query Result tabulation, and the body that presents of deleting the member who repeats in the described Query Result tabulation identifies.
4. method according to claim 3 is characterized in that, described tabulation expansion indication parameter also comprises tabulation or number of members parameter, then first tabulation is merged in described Query Result tabulation and is comprised:
According to described tabulation or number of members parameter, first tabulation is merged in the Query Result tabulation that will meet described tabulation or number of members parameter restriction quantity.
5. method according to claim 3 is characterized in that, described presentation information or the watcher information of subscribing to member in the described tabulation according to Query Result comprises:
If described first tabulation for empty, is then subscribed to presentation information or the watcher information of described first member sign to described first member's ownership presence server;
If described first tabulation is non-NULL, then subscribe to presentation information or the watcher information of each member in described first tabulation by resource list server.
6. method according to claim 2 is characterized in that, described tabulation expansion indication parameter also comprises the nested indication parameter of tabulation, and then described method also comprises:
If comprise nested list in the tabulation of described Query Result, then according to the sign of the nested indication parameter of described tabulation and described nested list, obtain member's sign in the described nested list to the listserv of correspondence.
7. method according to claim 2 is characterized in that, described tabulation expansion indication parameter also comprises the list update indication parameter, also comprises after then receiving the Query Result tabulation that described listserv or database return:
Send the request of query of subscription the results list to described listserv or database;
Member in the tabulation of described Query Result receives the list update notice that described listserv or database return when changing.
8. method according to claim 2 is characterized in that, described tabulation expansion indication parameter also comprises the list update indication parameter, also comprises after then receiving the Query Result tabulation that described listserv or database return:
Regularly send the tabulation expanding query request of upgrading to described listserv or database;
Receive the Query Result renewal tabulation that described listserv or database return.
9. according to claim 7 or 8 described methods, it is characterized in that receive after list update notice that described listserv or database return or Query Result upgrade tabulation, described method also comprises:
Second tabulation is merged in tabulation in the described list update notice or described Query Result renewal tabulation;
Subscribe to the member's of the tabulation that comprises described first member presentation information or watcher information according to described second list update.
10. method according to claim 9 is characterized in that, second tabulation is merged in the tabulation in the described list update notice comprised:
If have the tabulation that does not comprise described first member sign in the described list update notice, then deletion does not comprise the tabulation of described first member sign, and second tabulation is merged in other tabulations that deletion do not comprised after the tabulation of described first member sign.
11. method according to claim 9 is characterized in that:
When described second tabulation is sky, if there is no described first member's ownership presence server is subscribed to the presentation information of described first member sign or the subscribing relationship of watcher information, then subscribe to described first member's presentation information or watcher information by resource list server; Otherwise keep described first member's ownership presence server is subscribed to the presentation information of described first member sign or the subscribing relationship of watcher information;
When described second tabulation is non-NULL, if there is no described first member's ownership presence server is subscribed to the presentation information of described first member sign or the subscribing relationship of watcher information, then subscribe to presentation information or the watcher information of each member in described second tabulation by resource list server; Otherwise cancellation is subscribed to presentation information or the watcher information of described first member sign to described first member's ownership presence server, subscribes to presentation information or the watcher information of each member in described second tabulation by resource list server.
12. method according to claim 9 is characterized in that, described tabulation expansion indication parameter also comprises tabulation or number of members parameter, then merges second tabulation and comprises:
According to described tabulation or number of members parameter, second tabulation is merged in the Query Result tabulation that will meet described tabulation or number of members parameter restriction quantity.
13. method according to claim 2 is characterized in that, described tabulation expansion indication parameter also comprises filtercondition, then:
The tabulation that comprises described first member sign to described listserv or data base querying comprises: described filtercondition is added in the request message of described inquiry, to obtain to meet the Query Result tabulation of described filtercondition; Perhaps
According to described filtercondition described Query Result tabulation is filtered, obtain to meet the Query Result tabulation of described filtercondition.
14. a subscription presents the device of the information of body, it is characterized in that, described device comprises:
Receiving element is used for receiving the subscription request message of carrying first member sign and tabulation expansion indication parameter that the subscriber sends;
Query unit is used for inquiring about the tabulation that comprises described first member sign according to described tabulation expansion indication parameter;
Subscriber units sends to described subscriber for presentation information or the watcher information of subscribing to described tabulation member according to Query Result.
15. device according to claim 14 is characterized in that, described query unit comprises:
Determination module is used for listserv or the database of determining the needs inquiry according to list type parameter and/or the tabulation field parameter of described tabulation expansion indication parameter;
Enquiry module is used for comprising the tabulation that described first member identifies to described listserv or data base querying;
Receiver module is used for the Query Result tabulation that the described listserv of reception or database return.
16. device according to claim 15 is characterized in that, described subscriber units comprises:
Merge module, for first tabulation is merged in described Query Result tabulation, the body that presents of deleting the member who repeats in the described Query Result tabulation identifies.
17. device according to claim 16 is characterized in that, described subscriber units also comprises:
Directly subscribing module is used for subscribing to presentation information or the watcher information of described first member sign to described first member's ownership presence server when described first tabulation is sky;
The indirect subscriptions module is used for subscribing to presentation information or the watcher information of each member in described first tabulation by resource list server when described first tabulation is non-NULL.
18. device according to claim 15 is characterized in that, described device also comprises:
Request unit is used for sending the request of query of subscription the results list to described listserv or database, perhaps is used for regularly sending the tabulation expanding query request of upgrading to described listserv or database;
Updating block receives the list update notice that described listserv or database return when changing for the member in described Query Result tabulation, perhaps receive the Query Result renewal tabulation that described listserv or database return.
19. device according to claim 18 is characterized in that, described device also comprises:
Merge cells, be used for the tabulation member in described list update notice or the described Query Result renewal tabulation is merged into second tabulation, if have the tabulation that does not comprise described first member sign in the described list update notice, second tabulation is merged into other tabulations in then this tabulation of deletion earlier again;
The indirect subscriptions module, be used in described second tabulation for empty, and do not exist when described first member's ownership presence server subscribed to the subscribing relationship of the presentation information of described first member sign or watcher information, subscribe to described first member's presentation information or watcher information by resource list server; And in described second tabulation for non-NULL, and do not exist when described first member's ownership presence server subscribed to the subscribing relationship of the presentation information of described first member sign or watcher information, subscribe to presentation information or the watcher information of each member in described second tabulation by resource list server; And in described second tabulation for non-NULL, and exist when described first member's ownership presence server subscribed to the subscribing relationship of the presentation information of described first member sign or watcher information, after subscribing to the presentation information or watcher information of described first member sign by the cancellation of direct subscribing module to described first member's ownership presence server, subscribe to presentation information or the watcher information of each member in described second tabulation by resource list server;
Direct subscribing module, be used in described second tabulation for empty, and exist when described first member's ownership presence server subscribed to the subscribing relationship of the presentation information of described first member sign or watcher information, keep described first member's ownership presence server is subscribed to the presentation information of described first member sign or the subscribing relationship of watcher information; And in described second tabulation for non-NULL, and exist when described first member's ownership presence server subscribed to the subscribing relationship of the presentation information of described first member sign or watcher information, presentation information or the watcher information of described first member sign subscribed in cancellation to described first member's ownership presence server.
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| CN 200910136960 CN101877833B (en) | 2009-04-30 | 2009-04-30 | Method and device for subscribing information of presentity |
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| CN1852122A (en) * | 2005-12-09 | 2006-10-25 | 华为技术有限公司 | Presenting system and method for processing subscribing-in formation of subscribers by using same |
| CN1859322A (en) * | 2005-12-17 | 2006-11-08 | 华为技术有限公司 | Method for searching user's information |
| CN101056319A (en) * | 2007-03-20 | 2007-10-17 | 华为技术有限公司 | Representation service method, system and resource list server |
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