CN102685552A - Error pattern generator (EPG) content metadata management method, server and system - Google Patents
Error pattern generator (EPG) content metadata management method, server and system Download PDFInfo
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Abstract
The embodiment of the invention provides an error pattern generator (EPG) content metadata management method, which comprises the steps of receiving an EPG content metadata acquiring request of a client, looking for the EPG content metadata corresponding to the content mark in the local cache according to the content mark and returning the EPG content metadata to the client, and looking for the EPG content metadata corresponding to the content mark in the full-quantity objectification EPG content metadata of the local memory when no EPG content metadata corresponding to the content mark exists in the local cache, and returning the EPG content metadata to the client. Due to the adoption of the EPG content metadata management method of the embodiment, when a margin EPG data server responds the content metadata request of the client, since the content metadata is stored in an objectification way, relevant content metadata corresponding to the content mark can be acquired according to the content mark, and the acquiring speed of the content metadata is faster compared with a structured query language (SQL) database storage mode.
Description
Technical field
The present invention relates to the IPTV field, relate in particular to a kind of EPG content metadata management method, server and system.
Background technology
IPTV is a kind of being carried on the IP network, provides professional multimedia system such as TV, video, voice, image, data.The EPG system is the professional gate system of IPTV, and the index of the miscellaneous service that IPTV provided and navigation are all accomplished through the EPG system.
The main effect of EPG is exactly the menu that the user utilizes EPG to provide, and can select the multicast channel of oneself liking; The video frequency program that program request oneself is liked; The song that online performance is liked oneself; Search the various information that IPTV provides, comprise life information, entertainment information, educational information, sport information or the like; The menu that the user also can use EPG to provide is ordered the program of oneself liking; Even can pay water rate, the electricity charge, carry out the transaction of ecommerce etc. through the menu that EPG provides.The user can also utilize the EPG menu to check the additional information of program, for example to introduction of programme content introduction, performer and director etc.Parental control function through providing in the EPG menu simultaneously, the head of a family can limit some program, to child open all watch authority.
Above-described these functions all depend on the content metadata of EPG server stores; But present EPG server and the direct-connected this framework of Service Database, along with the growth of mass user and mass data, the quantity of EPG server also needs constantly to increase; This moment, the pressure to database can continue to increase; Because the concurrent visit of a large amount of EPG server, the information in the each real-time reading database of mode that all need directly inquire about through SQL SQL is inquired about each time and is all related to up to ten thousand data; Can cause EPG startup, response time to be exponential type and descend, have a strong impact on user experience.
Summary of the invention
In view of this, be necessary to provide a kind of management method of EPG content metadata in fact, to solve long problem of EPG server response time.
Simultaneously, a kind of EPG data server is provided.
Simultaneously, a kind of EPG content metadata management system is provided.
The management method of the EPG content metadata of one embodiment of the invention comprises: the EPG content metadata that receives client obtains request, and said EPG content metadata obtains and comprises content identification in the request; From local cache, inquire about the EPG content metadata corresponding and return to said client according to said content identification with said content identification; And when the EPG content metadata corresponding in the said local cache, from the full dose objectification EPG content metadata of this locality storage, inquire about the EPG content metadata corresponding and return to said client with said content identification with said content identification.
The EPG data server of one embodiment of the invention comprises: interface unit, and the EPG content metadata that is used to receive client obtains request, and the request of obtaining of said EPG content metadata comprises content identification; Query unit; Be used for according to said content identification from the local cache inquiry EPG content metadata corresponding with said content identification; Perhaps when the EPG content metadata corresponding in the local cache, inquire about the EPG content metadata corresponding in the full dose objectification EPG content metadata of from local storage, storing with said content identification with said content identification; The EPG content metadata corresponding with said content identification that said interface unit also is used for query unit is inquired returns to said client.
The EPG content metadata management system of one embodiment of the invention comprises: EPG MARG server, and the EPG content metadata that is used to receive client obtains request, and said EPG content metadata obtains and comprises content identification in the request; From local cache, inquire about the EPG content metadata corresponding and return to said client according to said content identification with said content identification; And when the EPG content metadata corresponding in the said local cache, from the full dose objectification EPG content metadata of this locality storage, inquire about the EPG content metadata corresponding and return to said client with said content identification with said content identification; EPG centre data server; Be used for reading and adopt the objectification mode to store full dose EPG content metadata according to SQL SQL mode, also be used for said full dose objectification EPG content metadata being provided to said EPG MARG server from Service Database; Service Database is used for the request according to EPG centre data server architecture query language SQL, issues full dose EPG content metadata to said EPG centre data server.The management method of the EPG content metadata of the embodiment of the invention; Because the edge EPG data server adopts the mode of objectification to store full dose EPG content metadata, and according to certain ratio EPG full dose content metadata is read in to its buffer memory, when the request of customer in response end content metadata; At first from its buffer memory, search and obtain; Make response speed faster,, make and just can obtain the related content metadata corresponding with this content identification according to content identification in addition because content metadata adopts the storage mode of objectification; With respect to the SQL database memory module, the content metadata acquisition speed is faster.
Description of drawings
Fig. 1 is the management method flow chart of the EPG content metadata of one embodiment of the invention;
Fig. 2 is the management method flow chart of the EPG content metadata of another embodiment of the present invention;
Fig. 3 is the management method flow chart of the EPG content metadata of further embodiment of this invention;
Fig. 4 is the management method flow chart of the EPG content metadata of further embodiment of this invention;
Fig. 5 A is the EPG data server structured flowchart of one embodiment of the invention;
Fig. 5 B is the EPG data server structured flowchart of another embodiment of the present invention;
Fig. 6 is the EPG content metadata management system structured flowchart of one embodiment of the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection
Be illustrated in figure 1 as the management method flow chart of the EPG content metadata of one embodiment of the invention;
This management method comprises: the EPG content metadata that 101, receives client obtains request, and said EPG content metadata obtains and comprises content identification in the request;
Concrete, the user inquires about the relevant information of certain program of interest through STB login EGP system, sends the EPG content metadata to the EGP data server and obtains request, comprises content identification in this request, like program identification etc.
102, from local cache, inquire about the EPG content metadata corresponding and return to said client according to said content identification with said content identification; And when the EPG content metadata corresponding in the said local cache, from the full dose objectification EPG content metadata of this locality storage, inquire about the EPG content metadata corresponding and return to said client with said content identification with said content identification.
It should be noted that; The full dose objectification EPG content metadata of local storage is that EPG MARG server obtains from EPG centre data server; This full dose objectification EPG content metadata reads and adopts objectification mode to store according to SQL SQL mode by the centre data server from Service Database; Said objectification mode is stored the full dose EPG content metadata that is meant reading and is encapsulated storage again according to content identification, makes can obtain the corresponding required EPG content metadata of program of said content identification according to said content identification.And traditional EPG content metadata obtain manner be through with on the EPG door operate in the backstage convert into SQL SQL mode from Service Database through choosing select, insert standardized SQL statement one rule reading of content metadata from Service Database such as insert.
Concrete; After the EPG data server receives the customer end contents data acquisition request; At first from local cache, search the content metadata corresponding according to the content identification of carrying in this request with this content identification; If have the content metadata corresponding in the EPG data server local cache, then directly from local cache, obtain and return to said client then with said content identification.As there not being the content metadata corresponding with said content identification in the local cache, the inquiry content metadata corresponding with said content identification returns to said client in the full dose objectification EPG content metadata of then from local storage, storing again after obtaining.
The management method of the EPG content metadata of the embodiment of the invention; Because the edge EPG data server adopts the mode of objectification to store full dose EPG content metadata, and according to certain ratio EPG full dose content metadata is read in to its buffer memory, when the request of customer in response end content metadata; At first from its buffer memory, search and obtain; Make response speed faster,, make and just can obtain the related content metadata corresponding with this content identification according to content identification in addition because content metadata adopts the storage mode of objectification; With respect to the SQL database memory module, the content metadata acquisition speed is faster.
Be illustrated in figure 2 as the management method flow chart of the EPG content metadata of another embodiment of the present invention;
This management method comprises:
201, EPG centre data server reads and adopts the objectification mode to store full dose object EPG content metadata according to the SQL mode from Service Database;
Concrete; EPG centre data server is when starting first; From Service Database, read required full dose EPG content metadata, as from Service Database, choose all full dose EPG content metadatas through standardized select SQL statement according to structured language SQL mode one rule.The full dose EPG content metadata that reads is encapsulated storage again according to the content identification objectification, be about to all EPG content metadatas corresponding and be incorporated into packing respectively, an encapsulation again with each content identification.Make each content identification to should all content metadatas of program; The EPG data server is when the request of customer in response end content metadata like this; Can also be programme information according to the corresponding all the elements metadata of the direct reading of content sign of content identification; Make that the content metadata reading speed is faster, response speed is faster.
202, EPG MARG server obtains full dose objectification EPG content metadata and according to the ratio that presets said full dose objectification EPG content metadata is read in the local cache from EPG centre data server;
Concrete, EPG MARG server can perhaps obtain the EPG content metadata of full dose objectification through the mode of active request through the mode of EPG centre data server active push.
Simultaneously, EPG MARG server comprises buffer unit, and the size of spatial cache can be expanded, and the buffer memory ratio can be provided with arbitrarily according to the size of spatial cache, is set to 10%-100% like preset proportion.When EPG MARG server will obtain from EPG centre data server the EPG content metadata storage of full dose objectification after, EPG MARG server reads in to buffer memory according to the full dose EPG content metadata of the ratio that presets with cell stores.Like this, when the request of customer in response end content metadata, can at first from buffer memory, obtain, make response speed faster.
203, the EPG content metadata that receives client obtains request, and said EPG content metadata obtains and comprises content identification in the request;
Concrete, the user inquires about the relevant information of certain program of interest through STB login EGP system, sends the EPG content metadata to the EGP data server and obtains request, comprises content identification in this request, like program identification etc.
204, from local cache, inquire about the EPG content metadata corresponding and return to said client according to said content identification with said content identification; And when the EPG content metadata corresponding in the said local cache, from the full dose objectification EPG content metadata of this locality storage, inquire about the EPG content metadata corresponding and return to said client with said content identification with said content identification.
Concrete; After the EPG data server receives the customer end contents data acquisition request; At first from local cache, search the content metadata corresponding according to the content identification of carrying in this request with this content identification; If have the content metadata corresponding in the EPG data server local cache, then directly from local cache, obtain and return to said client then with said content identification.As there not being the content metadata corresponding with said content identification in the local cache, the inquiry content metadata corresponding with said content identification returns to said client in the full dose objectification EPG content metadata of then from local storage, storing again after obtaining.
Be illustrated in figure 3 as the management method flow chart of the EPG content metadata of further embodiment of this invention;
This management method comprises:
301, EPG centre data server obtains the EPG content metadata objectification storage of the EPG content metadata of renewal and the renewal that will obtain from Service Database;
Concrete; Start first if EPG centre data server is non-; Can use SQL statement from from Service Database, obtaining the EPG content metadata of renewal through the mode of active request, and be updated in the full dose objectification EPG content metadata of local storage according to the mode of objectification.
Optional, also can the content of upgrading be pushed to EPG centre data server by Service Database in that the EPG data center server is non-when starting first, by EPG centre data server the content objectization of upgrading is stored to this locality then.
302, synchronous successively to the EPG MARG server of its subordinate's administration through hypertext transfer agreement HTTP message;
Concrete, for fear of message congestion, EPG centre data server adopts the mode of active push to push to a plurality of EPG MARG servers of its administration according to the order that presets through HTTP message from the objectification EPG content metadata that upgrades.
It should be noted that the EPG MARG server of considering actual deployment is numerous, part EPG MARG server can't be received update notification message because of network reason or EPG MARG server self reason situation may occur.EPG centre data server can be provided with certain ratio of sending to.As 90%, promptly update content is handed down to 90% EPG MARG server and promptly representes to send to success.Simultaneously, center EPG data server is also supported retransmitting function, supports repeatedly to retransmit.
303, EPG MARG server is updated to the renewal EPG content metadata of EPG centre data server push in the full dose objectification EPG content metadata of local storage.
Like Fig. 4 is the management method flow chart of the EPG content metadata of one embodiment of the invention; This management method comprises:
401, EPG centre data server reads full dose EPG content metadata from Service Database;
Concrete; EPG centre data server is in the time of presetting; Such as user capture in morning every day amount minimum the time, the mode through active request reads full dose EPG content metadata from Service Database, upgrade with the full dose objectification EPG content metadata comparison to this locality storage.
402, EPG MARG server obtains up-to-date EPG full dose objectification content metadata from EPG centre data server;
403, EPG MARG server upgrades the local EPG full dose objectification content metadata of storing with the up-to-date EPG full dose objectification EPG content metadata and the EPG full dose objectification EPG content metadata of the local storage coupling of comparing;
Concrete; EPG MARG server compares the timestamp of up-to-date EPG full dose objectification EPG content metadata timestamp with the EPG full dose objectification EPG content metadata of local storage, with timestamp more near the EPG content metadata of current time as up-to-date EPG content metadata.More replace the EPG content metadata of local storage near the EPG content metadata of current time with timestamp
Make EPG MARG server content metadata and Service Database content metadata be consistent, crumb data in the EPG MARG server is emptied the error information completion.
404, the EPG content metadata that receives client obtains request, and said EPG content metadata obtains and comprises content identification in the request;
Concrete, the user inquires about the relevant information of certain program of interest through STB login EGP system, sends the EPG content metadata to the EGP data server and obtains request, comprises content identification in this request, like program identification etc.
405, from local cache, inquire about the EPG content metadata corresponding and return to said client according to said content identification with said content identification; And when the EPG content metadata corresponding in the said local cache, from the full dose objectification EPG content metadata of this locality storage, inquire about the EPG content metadata corresponding and return to said client with said content identification with said content identification.
Concrete; After the EPG data server receives the customer end contents data acquisition request; At first from local cache, search the content metadata corresponding according to the content identification of carrying in this request with this content identification; If have the content metadata corresponding in the EPG data server local cache, then directly from local cache, obtain and return to said client then with said content identification.As there not being the content metadata corresponding with said content identification in the local cache, the inquiry content metadata corresponding with said content identification returns to said client in the full dose objectification EPG content metadata of then from local storage, storing again after obtaining.Be depicted as the EPG data server structured flowchart of one embodiment of the invention like Fig. 5 A;
Comprise:
The EPG content metadata corresponding with said content identification that said interface unit 501 also is used for query unit is inquired returns to said client; Also be used for obtaining full dose objectification EPG content metadata from the centre data server.
The EPG data server of the embodiment of the invention; Because the EPG data server adopts the mode of objectification to store the full dose content metadata, and according to certain ratio the full dose content metadata is read in to its buffer memory, when the request of customer in response end content metadata; At first from its buffer memory, search and obtain; Make response speed faster,, make and just can obtain the related content metadata corresponding with this content identification according to content identification in addition because content metadata adopts the storage mode of objectification; With respect to the SQL database memory module, the content metadata acquisition speed is faster.
Be depicted as the EPG data server structured flowchart of another embodiment of the present invention like Fig. 5 B;
Comprise:
The EPG content metadata corresponding with said content identification that said interface unit 501 also is used for query unit is inquired returns to said client; Also be used for obtaining full dose objectification EPG content metadata from the centre data server.
Optional; Updating block 505 also was used in the time of presetting; Obtain up-to-date full dose objectification EPG content metadata from EPG centre data server; More near the current time, then, upgrade local full dose objectification EPG content metadata like the timestamp of said up-to-date full dose objectification EPG content metadata with the full dose objectification EPG content metadata contrast coupling of said up-to-date full dose objectification EPG content metadata with local storage.
Be illustrated in figure 6 as the EPG content metadata management system structured flowchart of one embodiment of the invention;
EPG centre data server 602; Be used for reading and adopt the objectification mode to store full dose EPG content metadata according to SQL SQL mode, also be used for said full dose objectification EPG content metadata being provided to said EPG MARG server from Service Database;
Optional; Said EPG MARG server 701 also is used for: in the time of presetting; Obtain up-to-date full dose objectification EPG content metadata from EPG centre data server; More near the current time, then, upgrade local full dose objectification EPG content metadata like the timestamp of said up-to-date full dose objectification EPG content metadata with the full dose objectification EPG content metadata contrast coupling of said up-to-date full dose objectification EPG content metadata with local storage.EPG MARG server 701 also was used in the time of presetting, and received the objectification EPG content metadata of the renewal that issues through HTTP HTTP message from EPG centre data server.
The EPG content metadata management system of the embodiment of the invention; To encapsulate storage and be handed down to EPG MARG server according to the objectification mode again from the full dose EPG content metadata that professional data server obtains by the EPG central server; EPG MARG server reads in full dose objectification EPG content metadata to its buffer memory according to certain ratio; When the request of customer in response end content metadata, at first from its buffer memory, search and obtain, make response speed faster; And because content metadata adopts the storage mode of objectification; Make and just can obtain the related content metadata corresponding with this content identification according to content identification, with respect to the SQL database memory module, the content metadata acquisition speed is faster.
In addition; Through Service Database, EPG centre data server, EPG MARG server three-level structure; Improve the sustainable autgmentability of whole system, centre data server of every increase can be born the MARG server more than 20; Simultaneously Service Database is only increased an EPG central server data access pressure, alleviate the performance pressure of business datum.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method; Be to instruct relevant hardware to accomplish through computer program; Above-mentioned program can be stored in the computer read/write memory medium; This program can comprise the flow process like the embodiment of above-mentioned each side method when carrying out.Wherein, above-mentioned storage medium can be magnetic disc, CD, read-only storage memory body (ROM:Read-Only Memory) or stores memory body (RAM:Random Access Memory) etc. at random.
In sum, more than being merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (18)
1. the management method of an EPG content metadata is characterized in that, comprising:
The EPG content metadata that receives client obtains request, and said EPG content metadata obtains and comprises content identification in the request;
From local cache, inquire about the EPG content metadata corresponding and return to said client according to said content identification with said content identification; And when the EPG content metadata corresponding in the said local cache, from the full dose objectification EPG content metadata of this locality storage, inquire about the EPG content metadata corresponding and return to said client with said content identification with said content identification.
2. the method for claim 1 is characterized in that, said method also comprises, obtains full dose objectification EPG content metadata from the centre data server.
3. method as claimed in claim 2 is characterized in that, said full dose objectification EPG content metadata reads and adopt objectification mode to store according to SQL SQL mode by the centre data server from Service Database.
4. method as claimed in claim 3; It is characterized in that; Said employing objectification mode is stored and is comprised: the full dose EPG content metadata that reads is encapsulated storage again according to content identification, make and can obtain the corresponding required EPG content metadata of program of said content identification according to said content identification.
5. method as claimed in claim 2 is characterized in that, said method also comprises: according to the ratio that presets the said full dose objectification EPG content metadata that obtains from the centre data server is read in the local cache.
6. the method for claim 1 is characterized in that, also comprises:
In the time of presetting, receive the objectification EPG content metadata of the renewal that issues through HTTP HTTP message from EPG centre data server.
7. the method for claim 1; It is characterized in that; Said method also comprises: in the time of presetting, obtain up-to-date full dose objectification EPG content metadata from EPG centre data server, like the timestamp of said up-to-date full dose objectification EPG content metadata more near the current time; Then, upgrade local full dose objectification EPG content metadata with the full dose objectification EPG content metadata contrast coupling of said up-to-date full dose objectification EPG content metadata with local storage.
8. an EPG data server is characterized in that, comprising:
Interface unit, the EPG content metadata that is used to receive client obtains request, and the request of obtaining of said EPG content metadata comprises content identification;
Query unit; Be used for according to said content identification from the local cache inquiry EPG content metadata corresponding with said content identification; Perhaps when the EPG content metadata corresponding in the local cache, inquire about the EPG content metadata corresponding in the full dose objectification EPG content metadata of from local storage, storing with said content identification with said content identification;
The EPG content metadata corresponding with said content identification that said interface unit also is used for query unit is inquired returns to said client.
9. EPG data server as claimed in claim 8 is characterized in that:
Said interface unit also is used for obtaining full dose objectification EPG content metadata from the centre data server.
10. EPG data server as claimed in claim 9 is characterized in that, also comprises:
Memory cell is used for the full dose objectification EPG content metadata storage that said interface unit is obtained from the centre data server.
11. EPG data server as claimed in claim 10 is characterized in that, also comprises:
Buffer unit is used for according to the ratio that presets the said full dose objectification EPG content metadata that obtains from the centre data server being read in and buffer memory.
12. EPG data server as claimed in claim 8 is characterized in that:
Updating block is used in the time of presetting receiving the objectification EPG content metadata of the renewal that issues through HTTP HTTP message from EPG centre data server.
13. EPG data server as claimed in claim 12 is characterized in that, said updating block also is used for:
In the time of presetting; Obtain up-to-date full dose objectification EPG content metadata from EPG centre data server; Like the timestamp of said up-to-date full dose objectification EPG content metadata more near the current time; Then, upgrade local full dose objectification EPG content metadata with the full dose objectification EPG content metadata contrast coupling of said up-to-date full dose objectification EPG content metadata with local storage.
14. an EPG content metadata management system is characterized in that, comprising:
EPG MARG server, the EPG content metadata that is used to receive client obtains request, and said EPG content metadata obtains and comprises content identification in the request; From local cache, inquire about the EPG content metadata corresponding and return to said client according to said content identification with said content identification; And when the EPG content metadata corresponding in the said local cache, from the full dose objectification EPG content metadata of this locality storage, inquire about the EPG content metadata corresponding and return to said client with said content identification with said content identification;
EPG centre data server is used for to said EPG MARG server said full dose objectification EPG content metadata being provided.
15. EPG content metadata as claimed in claim 14 system is characterized in that said EPG centre data server also is used for reading and adopt the objectification mode to store full dose EPG content metadata from Service Database according to SQL SQL mode.
16. EPG content metadata as claimed in claim 15 system is characterized in that, also comprises:
Service Database is used for the request according to EPG centre data server architecture query language SQL, issues full dose EPG content metadata to said EPG centre data server.
17. EPG content metadata as claimed in claim 14 system; It is characterized in that; Said EPG MARG server also is used for: in the time of presetting, receive the objectification EPG content metadata of the renewal that issues through HTTP HTTP message from EPG centre data server.
18. EPG content metadata as claimed in claim 14 system; It is characterized in that; Said EPG MARG server also is used for: in the time of presetting; Obtain up-to-date full dose objectification EPG content metadata from EPG centre data server; More near the current time, then, upgrade local full dose objectification EPG content metadata like the timestamp of said up-to-date full dose objectification EPG content metadata with the full dose objectification EPG content metadata contrast coupling of said up-to-date full dose objectification EPG content metadata with local storage.
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| CN111935515A (en) * | 2020-08-14 | 2020-11-13 | 北京永新视博数字电视技术有限公司 | Method, device, equipment and medium for generating electronic program guide data table |
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