CN110083659A - Multi-source data read method and relevant device based on distributed system - Google Patents
Multi-source data read method and relevant device based on distributed system Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/25—Integrating or interfacing systems involving database management systems
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
Abstract
This application involves pedestal O&M technical fields, disclose a kind of multi-source data read method and relevant device based on distributed system, wherein method include: acquisition project need data multiple data sources and corresponding data-interface；The corresponding data-interface in master data source is labeled as master data interface；Boss's database of the data for receiving the master data interface and the slave subdata base of the data for receiving other data-interfaces are established in the database；After the instruction for receiving the calling data that the project issues, the corresponding data-interface of described instruction is judged according to described instruction；Corresponding subdata base is called according to the data-interface.The application is by the Data induction of multiple data sources into two subdata bases, it is placed on from subdata base from the data of data source, it does not need to switch when calling multiple data between data source, it is possible to reduce change the number of database, improve the stability of system operation.
Description
Technical field
This application involves field of computer technology is arrived, a kind of multi-source data reading based on distributed system is especially related to
Take method and relevant device.
Background technique
In the project development based on distributed system, project is connect with multiple data sources, according to the state of project operation
Data are called from different data sources in different moments, and distributed system is resulted in often to adjust from different data sources in this way
It is handled with data, and different data sources forms heterogeneous data source, thus needs in the scene of project development
Switch repeatedly in multiple databases, causes project system to run unstable, and generation system runs slow problem.
So providing how one kind reduces the problem of database of switching times is urgent need to resolve.
Summary of the invention
The main purpose of the application is to provide a kind of multi-source data based on distributed system with reduction switch data library
Read method, device, computer equipment.
In order to achieve the above-mentioned object of the invention, the application proposes a kind of multi-source data read method based on distributed system,
Include:
Obtain the structural framing of the pending item based on distributed system；
According to the attribute information of the structural framing, the corresponding multiple data sources for the data that the project needs are determined
Mark；
It obtains the multiple data source and identifies corresponding data-interface；
The master data source identification that user terminal is sent is received, the multiple data source mark is tagged to respectively corresponding
In data-interface, the corresponding data-interface in the master data source identification is labeled as master data interface, the master data is connect
Other data-interfaces other than mouthful mark as data-interface, wherein the master data source identification is the user terminal root
It is generated according to the master data source selection operation of user；
Boss's database is established in the database and from subdata base, boss's database is for receiving the main number
It is described to be used to receive the data from data-interface from subdata base according to the data of interface；
After the instruction for receiving the calling data that the project issues, call the institute of data-interface indicated by described instruction right
The subdata base answered, to obtain data.
Further, the master data source identification for receiving user terminal and sending, by the multiple data source mark point
It is not tagged in corresponding data-interface, the corresponding data-interface in the master data source identification is labeled as master data interface,
After the step of data-interface other than the master data interface is marked as data-interface, comprising:
Section note is carried out from data-interface to described using towards tangent plane programming.
Further, it after the instruction for receiving the calling data that the project issues, calls indicated by described instruction
Data-interface institute the step of after, comprising:
Judge whether the subdata base corresponding with the data-interface is from subdata base；
If the subdata base corresponding with the data-interface is from subdata base, after calling end of data, from institute
It states from subdata base and is switched to boss's database.
Further, if the subdata base corresponding with the data-interface is from subdata base, when calling number
After, after described the step of being switched to boss's database from subdata base, comprising:
Obtain the data being not called upon in the subdata base；
The data being not called upon in the subdata base are deleted, to clear up the memory of the subdata base.
Further, it after the instruction for receiving the calling data that the project issues, calls indicated by described instruction
Data-interface corresponding to subdata base the step of after, comprising:
Obtain boss's database uses memory accounting；
If boss's database is more than preset accounting threshold value using memory accounting, according to boss's database
In data successively delete data from the sequencing that the primary data source uploads to boss's database, until the boss
Database is less than or equal to the accounting threshold value using memory accounting.
Further, it after the instruction for receiving the calling data that the project issues, calls indicated by described instruction
Data-interface corresponding to subdata base the step of after, comprising:
Obtain the call number of each data-interface；
Each data-interface is arranged according to sequence from big to small according to the call number of each data-interface
Sequence, forms data-interface call number sequencing table, includes each data-interface and corresponding calling time in the sequencing table
Number；
The sequencing table is sent to the user terminal.
Further, the call number according to each data-interface is to each data-interface according to from big to small
Sequence be ranked up, formed data-interface call number sequencing table the step of after, comprising:
Judge whether primary data-interface is master data interface on the sequencing table；
The primary data-interface on the sequencing table is changed to the request of master data interface to described if it is not, sending
User terminal.
The application also provides a kind of multi-source data reading device based on distributed system, comprising:
Frame module is obtained, for obtaining the structural framing of the pending item based on distributed system；
Source module is obtained, for the attribute information according to the structural framing, determines the data institute that the project needs
Corresponding multiple data source marks；
Interface module is obtained, identifies corresponding data-interface for obtaining the multiple data source；
Mark module, for receiving the master data source identification of user terminal transmission, by the multiple data source mark point
It is not tagged in corresponding data-interface, the corresponding data-interface in the master data source identification is labeled as master data interface,
Other data-interfaces other than the master data interface are marked as data-interface, wherein the master data source identification
It is that the user terminal is generated according to the master data source selection operation of user；
Module is established, for establishing boss's database in the database and from subdata base, boss's database is used
It is described to be used to receive the data from data-interface from subdata base in the data for receiving the master data interface；
Calling module calls indicated by described instruction after the instruction for receiving the calling data that the project issues
Data-interface corresponding to subdata base, to obtain data.
The application also provides a kind of computer equipment, including memory and processor, and the memory is stored with computer
The step of program, the processor realizes any of the above-described the method when executing the computer program.
The application also provides a kind of computer readable storage medium, is stored thereon with computer program, the computer journey
The step of method described in any of the above embodiments is realized when sequence is executed by processor.
The multi-source data read method and relevant device based on distributed system of the application, by the data of multiple data sources
It concludes into two subdata bases, and the data in key data source are placed in boss's database, from the data of data source
It is placed on from subdata base, does not need to switch when calling multiple data between data source, it is possible to reduce change database
Number improves the stability of system operation.
Detailed description of the invention
Fig. 1 is the flow diagram of the multi-source data read method based on distributed system of one embodiment of the application；
Fig. 2 is the structural schematic block diagram of the multi-source data reading device based on distributed system of one embodiment of the application；
Fig. 3 is the structural schematic block diagram of the multi-source data reading device based on distributed system of one embodiment of the application；
Fig. 4 is the structural schematic block diagram of the multi-source data reading device based on distributed system of one embodiment of the application；
Fig. 5 is the structural schematic block diagram of the multi-source data reading device based on distributed system of one embodiment of the application；
Fig. 6 is the structural schematic block diagram of the multi-source data reading device based on distributed system of one embodiment of the application；
Fig. 7 is the structural schematic block diagram of the computer equipment of one embodiment of the application.
The embodiments will be further described with reference to the accompanying drawings for realization, functional characteristics and the advantage of the application purpose.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
Referring to Fig.1, the embodiment of the present application provides a kind of multi-source data read method based on distributed system, including step
It is rapid:
S1, the structural framing for obtaining the pending item based on distributed system；
S2, according to the attribute information of the structural framing, determine multiple data corresponding to data that the project needs
Source identification；
S3, the corresponding data-interface of the multiple data source mark is obtained；
S4, the master data source identification that user terminal is sent is received, the multiple data source mark is tagged to pair respectively
In the data-interface answered, the corresponding data-interface in the master data source identification is labeled as master data interface, by the main number
It marks according to other data-interfaces other than interface as data-interface, wherein the master data source identification is the user
What end was generated according to the master data source selection operation of user；
S5, boss's database is established in the database and from subdata base, boss's database is described for receiving
The data of master data interface, it is described to be used to receive the data from data-interface from subdata base；
S6, after receiving the instructions of the callings data that the project issues, data-interface indicated by calling described instruction
Corresponding subdata base, to obtain data.
As described in above-mentioned steps S1, distributed system is that distributed system (distributed system) is built upon net
Software systems on network, project operation are based on the distributed system.The structural framing of project include each task of project with
And the data that each task needs to use or call.After server is connect with project, project information is got, according to project information
Get the structural framing of project.
As described in above-mentioned steps S2, server reads the attribute information of each structural framing, reads the data that each frame needs
Type and data source, wherein above-mentioned data type and above-mentioned data source are to belong to above-mentioned attribute information.Because of each frame
The data type that frame needs is different, and to the requirement of the timeliness of data, when obtaining data simultaneously also according to above-mentioned attribute
Acquisition of information data source interface.The type for the data that multiple data source interfaces are needed with project respectively corresponds.Data source
Refer to the modular element with generation data or storing data, the mark on the element, that is, data source mark, to multiple
Element adds different marks, to distinguish.Attribute information of the server according to frame, data required for identifying project
The corresponding data source mark in source.
As described in above-mentioned steps S3, when project receives the data of user terminal or system upload, each user terminal
Title or systematic name each mean a data source identification.Data source is connect with project by a data-interface, number
It can be the such as USB interface title on hardware according to the corresponding data source mark of interface, be also possible to be wirelessly connected such as bluetooth
Title, title of mobile network's connecting object of connecting object etc., the data-interface of wireless connection are that data source mark is hard
IP address where part.Server obtains the data source mark either wireless network connection by the port serial port of hardware
The data source mark of IP address obtain the data-interface of data source.In a specific embodiment, an investigation is ground
Study carefully and the mass data of a certain trade company is needed to be studied, which has oneself a merchant database orcale, simultaneously should
The transaction data of platform where trade company is stored in another transaction data base postgresql, then this project is investigated
Above-mentioned orcale and postgresql is data source, while reading the data-interface mark of merchant database and transaction data base
Know, then gets data-interface and identify corresponding data-interface.In other embodiments, the data source mark of database connection
Know more than two.
As described in above-mentioned steps S4, data source mark have it is multiple, when calling data, one of data source
Data are main sources, and the data of other data sources are secondary sources.User terminal is according to required data type and number
According to demand informations such as attributes, data source is marked, the most data source of data is labeled as main source, database
Other data sources of connection are defaulted as secondary source.Server receives after user terminal selected master data source, by main number
It is labeled as master data interface according to the corresponding data-interface in source, while by other data sources other than the master data source
Data-interface marks as data-interface.
As described in above-mentioned steps S5, database (Database) is to come tissue, storage and management data according to data structure
Warehouse of the foundation on computer memory device.It is the file cabinet that can be considered electronization in itself in simple terms --- storage electronics
The place of file, user such as can increase to the data in file, intercept, update, deleting newly at the operation.Server is in database
In establish two subdata bases, and connect one of subdata base with above-mentioned master data interface, be served only for storage master data
The data of the corresponding data source of interface.Another subdata base and other be separately connected from data-interface, for storing other
Its data from the corresponding data source of data-interface.Wherein, boss's database is used for for connecting with external server
Directly the data in boss's database are used for external server.It is establishing after subdata base, is often getting one from number
According to source, be from subdata base it is above-mentioned establish a space from data source, and with entitled space life from data source
Name.
Such as above-mentioned steps S6, when project needs data, distributed system sends out the instruction for calling data to database.
After server receives instruction, which is parsed according to default rule, obtains out the attribute information for instructing the data of needs, so
Afterwards according to the attribute information of data, judge to instruct which data source is corresponding data be specifically, then according to data come
The corresponding relationship in source and data-interface, the data for identifying that the instruction needs should be obtained from which data-interface.Then it controls
Distributed system corresponding with data-interface subdata base connection calls boss's database in database or from subdata
Library, to carry out the data of acquisition instruction demand from boss's database or from subdata base.It thus only need to be from a database
The data of multiple data sources can be got.
In one embodiment, the master data source identification that above-mentioned reception user terminal is sent, the multiple data source mark
Knowledge is tagged to respectively in corresponding data-interface, and the corresponding data-interface in the master data source identification is connect labeled as master data
Mouthful, after the step of other data-interfaces other than the master data interface are marked as data-interface, comprising:
S411, section note is carried out from data-interface to described using towards tangent plane programming.
It is the abbreviation of Aspect Oriented Programming, mainly towards tangent plane programming, that is, AOP in the present embodiment
It is for carrying out section note from data-interface for each.It is connection from data-interface from subdata base, therefore, each from son
Database corresponds to multiple from data-interface.When needs in subdata base when calling data, convenient for preferably calling out data,
It just has to determine corresponding data source and corresponding data-interface.This programme will be from the corresponding each data of subdata base
Interface is marked, and carries out section note by AOP, the corresponding data-interface of data is quickly identified convenient for server, from
And rapidly navigate to specific data source.In the specifically used data source of method roofing control.
In one embodiment, after the above-mentioned instruction for receiving the calling data that the project issues, described instruction is called
After the step of subdata base corresponding to indicated data-interface, comprising:
Whether subdata base corresponding with the data-interface described in S7, judgement is from subdata base；
If S8, the subdata base corresponding with the data-interface be from subdata base, after calling end of data, from
It is described to be switched to boss's database from subdata base.
In the present embodiment, it is above-mentioned get the corresponding data-interface of instruction after, judge the corresponding subnumber of above-mentioned data-interface
It whether is from subdata base according to library.User terminal first judges master data source when boss's database is arranged with from subdata base,
Then the master data interface with database interface is got according to master data source, and adds label on master data interface.This
Place, server judges whether there is above-mentioned label on data-interface, if it is not, determining that above-mentioned data-interface is connect from data
Mouthful, corresponding subdata base is from subdata base.It is calling before the data in subdata base, is getting data-interface first
Interface ID judges the title from data source, then adjusts again from subdata base with from the identical space of data source name
Use data.After server is from the calling in subdata base, database is cut from from subdata base again with distributed system
It gains and is connect with boss's database, timely to call the data in boss's database again.
In one embodiment, if the above-mentioned subdata base corresponding with the data-interface be from subdata base, when
After calling end of data, after described the step of being switched to boss's database from subdata base, comprising:
The data being not called upon from subdata base described in S9, acquisition；
S10, the data being not called upon from subdata base are deleted, to clear up the memory of the subdata base.
In the present embodiment, with many from the corresponding data of data source from subdata base, but not necessarily whole quilts
Project system calls, and only calls corresponding data according to the instruction received, therefore the data having do not have to call, and these are not
Certain space is being occupied from subdata base with the data of calling, the time, which has been grown, to be taken from the space of subdata base, to make
It can not upload to from the data of data source from subdata base.Therefore, after server parses the instructions of above-mentioned calling data, obtaining is needed
Then the data validation for not having above-mentioned attribute from subdata base is the data of never call by the attribute of the data to be called,
Then the data of these never calls are deleted, clears up the memory from subdata base, save space, make entire database operation more
It is smooth.
In one embodiment, above-mentioned according to the data-interface, call subdata base corresponding with the data-interface
The step of after, comprising:
S11, the use memory accounting for obtaining boss's database；
If S12, boss's database are more than preset accounting threshold value using memory accounting, according to boss's number
Data are successively deleted from the sequencing that the primary data source uploads to boss's database according to the data in library, until described
Boss's database is less than or equal to the accounting threshold value using memory accounting.
In the present embodiment, boss's database is a cloud storage space, has certain memory headroom.When the memory headroom
It when the data volume of storage reaches a fixed number, will affect the data of the reception primary data source of boss's database, and then will affect item
Mesh system calls the speed of the data of boss's database, to slow down the speed of service of project system.Therefore, it is necessary to boss
Database is cleared up, and is avoided boss's data database storing excessive and is slowed down the data of project system calling boss's database
Speed.Server reads the attribute of boss's database first, gets total storage size of boss's database, obtains simultaneously
The memory size of all data on boss's database obtains the master then by above-mentioned memory size divided by total storage size
The memory accounting of subdata base, memory accounting are a percentage.Then the memory accounting and preset accounting threshold value are carried out
Compare, if memory accounting is greater than accounting threshold value, illustrates the overabundance of data in boss's database, then by the number in boss's database
According to being deleted.The sequencing of boss's database is uploaded to according to data, preferential delete uploads to boss's database earliest
On data, it is every delete certain data after, the memory accounting of boss's database is obtained again, if the memory obtained again accounts for
Than being still greater than accounting threshold value, then continue to delete data in the order described above.In this way, until memory accounting is less than or equal to accounting threshold
Value.It keeps the space of boss's database sufficiently large in this way, keeps quickly uploading when uploading to data on boss's database.
In one embodiment, after the above-mentioned instruction for receiving the calling data that the project issues, described instruction is called
After the step of subdata base corresponding to indicated data-interface, comprising:
S611, the call number for obtaining each data-interface；
S612, according to each data-interface call number to each data-interface according to sequence from big to small into
Row sequence forms data-interface call number sequencing table, includes each data-interface and corresponding tune in the sequencing table
Use number；
S613, the sequencing table is sent to the user terminal.
In the present embodiment, after project, which has issued, calls data command, the designated recorder that server issues project, with
The calling log of formation project calling data.Server reads the calling log, obtains the call number of each data-interface.So
Afterwards according to above-mentioned call number, each data-interface is ranked up, forms sequencing table, to indicate what each data-interface was called
Frequency, while the number that also each data-interface is called loads the corresponding position on sequencing table.Then the sequencing table is sent out
User terminal is given, the calling situation of each data source is analyzed convenient for staff.
In one embodiment, the above-mentioned call number according to each data-interface to each data-interface according to from
After the step of arriving small sequence greatly to be ranked up, forming data-interface call number sequencing table, comprising:
S614, judge whether primary data-interface is master data interface on the sequencing table；
S615, the primary data-interface on the sequencing table is changed to the request of master data interface if it is not, generating
To the user terminal.
In the present embodiment, server reads the primary data-interface on sequencing table, the i.e. most data of calling data
Then the data-interface is compared by interface with the master data interface that above-mentioned user terminal defines, see whether be the same data
Interface, if so, it is reasonable for illustrating that the data-interface is defined as master data interface.If it is not, then illustrating that the data-interface is fixed
Justice is that main data-interface is more unreasonable, so that switching times are not least, therefore generates the request of change master data interface extremely
User terminal, in order to change master data interface after customer analysis.
In conclusion the multi-source data read method based on distributed system of the application, by the data of multiple data sources
It concludes into two subdata bases, and the data in key data source are placed in boss's database, from the data of data source
It is placed on from subdata base, does not need to switch when calling multiple data between data source, it is possible to reduce change database
Number improves the stability of system operation.
Referring to Fig. 2, a kind of multi-source data reading device based on distributed system is also provided in the embodiment of the present application, is wrapped
It includes:
Frame module 1 is obtained, for obtaining the structural framing of the pending item based on distributed system；
Source module 2 is obtained, for the attribute information according to the structural framing, determines the data institute that the project needs
Corresponding multiple data source marks；
Interface module 3 is obtained, identifies corresponding data-interface for obtaining the multiple data source；
Mark module 4, for receiving the master data source identification of user terminal transmission, by the multiple data source mark point
It is not tagged in corresponding data-interface, the corresponding data-interface of the master data interface is labeled as master data interface, by institute
It states the data-interface other than master data interface to mark as data-interface, wherein the master data source identification is the use
Family end is generated according to the master data source selection operation of user；
Module 5 is established, for establishing boss's database in the database and from subdata base, boss's database is used
It is described to be used to receive the data from data-interface from subdata base in the data for receiving the master data interface；
Calling module 6 calls indicated by described instruction after the instruction for receiving the calling data that the project issues
Data-interface corresponding to subdata base, to obtain data.
In the present embodiment, distributed system is that distributed system (distributed system) is built upon on network
Software systems, project operation be based on the distributed system.The structural framing of project includes each task of project and each
Task needs the data for using or calling.After acquisition frame module 1 is connect with project, project information is got, is believed according to project
Breath gets the structural framing of project.
The attribute information that source module 2 reads each structural framing is obtained, data type and number that each frame needs are read
According to source, wherein above-mentioned data type and above-mentioned data source are to belong to above-mentioned attribute information.The number needed by each frame
It is different according to type, and to the requirement of the timeliness of data, number is obtained also according to above-mentioned attribute information simultaneously when obtaining data
According to source interface.The type for the data that multiple data source interfaces are needed with project respectively corresponds.Data source, which refers to have, to be produced
The modular element of data or storing data is given birth to, the mark on the element, that is, data source mark, not to multiple element addition
Same mark, to distinguish.Obtain attribute information of the source module 2 according to frame, required data source of identifying project
Corresponding data source mark.
When project receives the data of user terminal or system upload, each user terminal title or systematic name each mean one
A data source identification.Data source is connect with project by a data-interface, the corresponding data source mark of data-interface
Know the such as USB interface title that can be on hardware, is also possible to be wirelessly connected the title such as bluetooth connection object, mobile network
The title etc. of connecting object, the data-interface of wireless connection are the IP address where the hardware of data source mark.Obtain interface
Module 3 obtain by the data of the data source mark either IP address of wireless network connection of the port serial port of hardware come
Source identifies to obtain the data-interface of data source.In a specific embodiment, an investigation needs a certain trade company
Mass data is studied, which has oneself a merchant database orcale, while the platform where the trade company
Transaction data is stored in another transaction data base postgresql, then this project investigation above-mentioned orcale and
Postgresql is data source, while reading the data-interface mark of merchant database and transaction data base, is then obtained
Corresponding data-interface is identified to data-interface.In other embodiments, the data source of database connection identifies more than two.
Data source mark have it is multiple, when calling data, the data of one of data source are main sources,
The data of his data source are secondary sources.User terminal according to demand informations such as required data type and data attributes,
Data source is marked, the most data source of data is labeled as main source, other data of database connection are come
Source is defaulted as secondary source.Mark module 4 receives after user terminal selected master data source, by the corresponding data in master data source
Interface flag be main data-interface, while by the data-interface of other data sources other than the master data source mark be
From data-interface.
Database (Database) is to carry out the foundation of tissue, storage and management data according to data structure in computer storage
Warehouse in equipment.It is the file cabinet that can be considered electronization in itself in simple terms --- the place of storage electronic document, Yong Huke
The data in file are increased newly, intercept, update, delete etc. with operation.It establishes module 5 and establishes two subnumbers in the database
It according to library, and connect one of subdata base with above-mentioned master data interface, is served only for the corresponding data of storage master data interface
The data in source.Another subdata base and other be separately connected from data-interface, for store other its from data-interface pair
The data for the data source answered.Wherein, boss's database is for connecting with external server, for directly by boss's data
Data in library are used for external server.It is establishing after subdata base, is often getting one from data source, from subdata
Be in library it is above-mentioned establish a space from data source, and with entitled space name from data source.
When project needs data, distributed system sends out the instruction for calling data to database.Calling module 6 receives
To after instruction, which is parsed according to default rule, the attribute information for instructing the data of needs is obtained out, then according to data
Attribute information, calling module 6, which identifies out, instructs which data source is corresponding data be specifically, then according to data come
The corresponding relationship in source and data-interface, the data for identifying that the instruction needs should be obtained from which data-interface.Then it calls
Module 6 controls the subdata base connection corresponding with the data-interface of above-mentioned distributed system, calls boss's data in database
Library or from subdata base, to carry out the data of acquisition instruction demand from boss's database or from subdata base.It thus only need to be from
The data of multiple data sources can be got in one database.
Referring to Fig. 3, in one embodiment, the above-mentioned multi-source data reading device based on distributed system further include:
Module 411 is explained, for carrying out section note from data-interface to described using towards tangent plane programming.
It is the abbreviation of Aspect Oriented Programming, mainly towards tangent plane programming, that is, AOP in the present embodiment
It is for carrying out section note from data-interface for each.It is connection from data-interface from subdata base, therefore, each from son
Database corresponds to multiple from data-interface.When needs in subdata base when calling data, convenient for preferably calling out data,
It just has to determine corresponding data source and corresponding data-interface.This programme explains module 411 will be from subdata base pair
The each data-interface answered is marked, and carries out section note by AOP, quickly identifies that data are corresponding convenient for server
Data-interface, to rapidly navigate to specific data source.In the specifically used data source of method roofing control.
Referring to Fig. 4, in one embodiment, the above-mentioned multi-source data reading device based on distributed system further include:
First judgment module 7, for judging whether the subdata base corresponding with the data-interface is from subdata
Library；
Switching module 8, if being from subdata base, when calling number for the subdata base corresponding with the data-interface
After, boss's database is switched to from subdata base from described.
In the present embodiment, it is above-mentioned get the corresponding data-interface of instruction after, first judgment module 7 judges that above-mentioned data connect
Whether the corresponding subdata base of mouth is from subdata base.User terminal first judges when boss's database is arranged with from subdata base
Then master data source out gets the master data interface with database interface according to master data source, and in master data interface
Upper addition label.Herein, first judgment module 7 judges whether there is above-mentioned label on data-interface, if it is not, determining above-mentioned
Data-interface is from data-interface, and corresponding subdata base is from subdata base.It is calling before the data in subdata base, it is first
The interface ID for first getting data-interface, judges the title from data source, then again from subdata base and from data source
Title calls data in identical space.After server is from the calling in subdata base, switching module 8 by database with
Distributed system is connect with boss's database from switching back into from subdata base again, timely to call in boss's database again
Data.
In one embodiment, the above-mentioned multi-source data reading device based on distributed system further include:
Never call module 9, for obtaining the data being not called upon from subdata base；
First removing module 10, for deleting the data being not called upon from subdata base, to clear up the son
The memory of database.
In the present embodiment, with many from the corresponding data of data source from subdata base, but not necessarily whole quilts
Project system calls, and only calls corresponding data according to the instruction received, therefore the data having do not have to call, and these are not
Certain space is being occupied from subdata base with the data of calling, the time, which has been grown, to be taken from the space of subdata base, to make
It can not upload to from the data of data source from subdata base.Therefore, after never call module 9 parses the instructions of above-mentioned calling data,
The attribute for needing the data called is obtained, is then never call by the data validation for not having above-mentioned attribute from subdata base
Data, then the first removing module 10 deletes the data of these never calls, clears up the memory from subdata base, saves space,
Keep entire database operation more smooth.
Referring to Fig. 5, in one embodiment, the above-mentioned multi-source data reading device based on distributed system further include:
Accounting module 11 is obtained, for obtaining the use memory accounting of boss's database；
Second removing module 12, if the memory accounting that uses for boss's database is more than preset accounting threshold value,
Then the sequencing of boss's database is uploaded to successively from the primary data source according to the data in boss's database
Data are deleted, until boss's database is less than or equal to the accounting threshold value using memory accounting.
In the present embodiment, boss's database is a cloud storage space, has certain memory headroom.When the memory headroom
It when the data volume of storage reaches a fixed number, will affect the data of the reception primary data source of boss's database, and then will affect item
Mesh system calls the speed of the data of boss's database, to slow down the speed of service of project system.Therefore, it is necessary to boss
Database is cleared up, and is avoided boss's data database storing excessive and is slowed down the data of project system calling boss's database
Speed.The attribute that accounting module 11 reads boss's database first is obtained, total storage size of boss's database is got,
The memory sizes of all data on boss's database is obtained simultaneously, then by above-mentioned memory size divided by total storage size,
The memory accounting of boss's database is obtained, memory accounting is a percentage.Then by the memory accounting and preset accounting
Threshold value is compared, if memory accounting is greater than accounting threshold value, illustrates the overabundance of data in boss's database, then second deletes mould
Block 12 deletes the data in boss's database.The sequencing that boss's database is uploaded to according to data, is preferentially deleted
Except the data uploaded on boss's database earliest, after the certain data of every deletion, the memory for obtaining boss's database again is accounted for
Than continuing to delete data in the order described above if the memory accounting obtained again is still greater than accounting threshold value.In this way, until
Memory accounting is less than or equal to accounting threshold value.It keeps the space of boss's database sufficiently large in this way, data is made to upload to the boss
It keeps quickly uploading when on database.
Referring to Fig. 6, in one embodiment, the above-mentioned multi-source data reading device based on distributed system further include:
Times of acquisition module 611, for obtaining the call number of each data-interface；
Sorting module 612, for the call number according to each data-interface to each data-interface according to from big
It is ranked up to small sequence, forms data-interface call number sequencing table, include each data-interface in the sequencing table
And corresponding call number；
Sending module 613, for the sequencing table to be sent to the user terminal.
In the present embodiment, after project, which has issued, calls data command, times of acquisition module 611 is by the finger of project sending
Fixed record, to form the calling log that project calls data.Times of acquisition module 611 reads the calling log, obtains each number
According to the call number of interface.Then according to above-mentioned call number, sorting module 612 is ranked up each data-interface, is formed
Sequencing table to indicate the called frequency of each data-interface, while also sorting the number load that each data-interface is called
Corresponding position on table.Then the sequencing table is sent to user terminal by sending module 613, analyzes each data convenient for staff
The calling situation in source.
In one embodiment, the above-mentioned multi-source data reading device based on distributed system further include:
Second judgment module 614, for judging whether primary data-interface is master data interface on the sequencing table；
Request module 615 is sent, if primary data-interface is not master data interface on the sequencing table, is sent
Primary data-interface on the sequencing table is changed to the request of master data interface to the user terminal.
In the present embodiment, the second judgment module 14 reads the primary data-interface on sequencing table, that is, calls data most
More data-interfaces, then the second judgment module 14 compares the master data interface that the data-interface is defined with above-mentioned user terminal
Compared with seeing whether be the same data-interface, if so, it is reasonable for illustrating that the data-interface is defined as master data interface.If no
It is that then to illustrate that the data-interface is defined as master data interface more unreasonable, so that switching times are not least, therefore send and ask
Modulus block 15 sends the request of change master data interface to user terminal, in order to change master data interface after customer analysis.
In conclusion the multi-source data reading device based on distributed system of the application, by the data of multiple data sources
It concludes into two subdata bases, and the data in key data source are placed in boss's database, from the data of data source
It is placed on from subdata base, does not need to switch when calling multiple data between data source, it is possible to reduce change database
Number improves the stability of system operation.
Referring to Fig. 7, a kind of computer equipment is also provided in the embodiment of the present application, which can be server,
Its internal structure can be as shown in Figure 7.The computer equipment includes processor, the memory, network connected by system bus
Interface and database.Wherein, the processor of the Computer Design is for providing calculating and control ability.The computer equipment is deposited
Reservoir includes non-volatile memory medium, built-in storage.The non-volatile memory medium is stored with operating system, computer program
And database.The internal memory provides environment for the operation of operating system and computer program in non-volatile memory medium.It should
The database of computer equipment is used to store boss's database, from subdata base, the data such as data of data source.The computer
The network interface of equipment is used to communicate with external terminal by network connection.The computer program is executed by processor Shi Yishi
A kind of existing multi-source data read method based on distributed system.
Above-mentioned processor executes the step of method that the above-mentioned multi-source data based on distributed system is read: obtaining and is based on dividing
The structural framing of the pending item of cloth system；According to the attribute information of the structural framing, the project needs are determined
Data corresponding multiple data sources mark；It obtains the multiple data source and identifies corresponding data-interface；It connects
The master data source identification that user terminal is sent is received, the multiple data source mark is tagged to corresponding data-interface respectively
In, the corresponding data-interface in the master data source identification is labeled as master data interface, other than the master data interface
Other data-interfaces mark as data-interface, wherein the master data source identification is the user terminal according to user
What master data source selection operation generated；Boss's database is established in the database and from subdata base, boss's data
Library is used to receive the data of the master data interface, described to be used to receive the data from data-interface from subdata base；It connects
After the instruction for receiving the calling data that the project issues, subdata corresponding to data-interface indicated by described instruction is called
Library, to obtain data.
In one embodiment, above-mentioned processor executes the master data source identification that the reception user terminal is sent, by institute
It states multiple data source marks to be tagged to respectively in corresponding data-interface, the corresponding data in the master data source identification is connect
The step of mouthful being labeled as master data interface, the data-interface other than the master data interface marked as data-interface it
Afterwards, comprising: carry out section note from data-interface to described using towards tangent plane programming.
In one embodiment, the instruction for the calling data that the project issues is received described in above-mentioned processor execution
Afterwards, after the step of calling data-interface institute indicated by described instruction, comprising: judgement is described corresponding with the data-interface
Whether subdata base is from subdata base；If the subdata base corresponding with the data-interface is to work as tune from subdata base
After end of data, boss's database is switched to from subdata base from described.
In one embodiment, it is if above-mentioned processor executes the subdata base corresponding with the data-interface
From subdata base, after calling end of data, after described the step of being switched to boss's database from subdata base, packet
It includes: obtaining the data being not called upon in the subdata base；The data being not called upon in the subdata base are deleted, with cleaning
The memory of the subdata base.
In one embodiment, the instruction for the calling data that the project issues is received described in above-mentioned processor execution
Afterwards, after the step of calling subdata base corresponding to data-interface indicated by described instruction, comprising: obtain boss's number
Memory accounting is used according to library；If boss's database is more than preset accounting threshold value using memory accounting, according to institute
The data stated in boss's database successively delete data from the sequencing that the primary data source uploads to boss's database,
Until boss's database is less than or equal to the accounting threshold value using memory accounting.
In one embodiment, the instruction for the calling data that the project issues is received described in above-mentioned processor execution
Afterwards, after the step of calling subdata base corresponding to data-interface indicated by described instruction, comprising: obtain each data-interface
Call number；Each data-interface is carried out according to sequence from big to small according to the call number of each data-interface
Sequence forms data-interface call number sequencing table, includes each data-interface and corresponding calling in the sequencing table
Number；The sequencing table is sent to the user terminal.
In one embodiment, above-mentioned processor executes the call number according to each data-interface to each described
After the step of data-interface is ranked up according to sequence from big to small, forms data-interface call number sequencing table, comprising:
Judge whether primary data-interface is master data interface on the sequencing table；If it is not, sending the on the sequencing table
One data-interface is changed to the request of master data interface to the user terminal.
In conclusion the computer equipment of the application, by the Data induction of multiple data sources into two subdata bases, and
And the data in key data source are placed in boss's database, are placed on from subdata base from the data of data source, are being called
It does not need to switch when multiple data between data source, it is possible to reduce change the number of database, improve the stabilization of system operation
Property.
It will be understood by those skilled in the art that structure shown in Fig. 7, only part relevant to application scheme is tied
The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme.
One embodiment of the application also provides a kind of computer readable storage medium, is stored thereon with computer program, calculates
Machine program realizes a kind of multi-source data read method based on distributed system when being executed by processor, specifically: acquisition is based on
The structural framing of the pending item of distributed system；According to the attribute information of the structural framing, determine that the project needs
The corresponding multiple data source marks for the data wanted；It obtains the multiple data source and identifies corresponding data-interface；
The master data source identification that user terminal is sent is received, the multiple data source mark is tagged to corresponding data-interface respectively
In, the corresponding data-interface in the master data source identification is labeled as master data interface, other than the master data interface
Other data-interfaces mark as data-interface, wherein the master data source identification is the user terminal according to user
What master data source selection operation generated；Boss's database is established in the database and from subdata base, boss's data
Library is used to receive the data of the master data interface, described to be used to receive the data from data-interface from subdata base；It connects
After the instruction for receiving the calling data that the project issues, subdata corresponding to data-interface indicated by described instruction is called
Library, to obtain data.
In one embodiment, above-mentioned processor executes the master data source identification that the reception user terminal is sent, by institute
It states multiple data source marks to be tagged to respectively in corresponding data-interface, the corresponding data in the master data source identification is connect
The step of mouthful being labeled as master data interface, the data-interface other than the master data interface marked as data-interface it
Afterwards, comprising: carry out section note from data-interface to described using towards tangent plane programming.
In one embodiment, the instruction for the calling data that the project issues is received described in above-mentioned processor execution
Afterwards, after the step of calling data-interface institute indicated by described instruction, comprising: judgement is described corresponding with the data-interface
Whether subdata base is from subdata base；If the subdata base corresponding with the data-interface is to work as tune from subdata base
After end of data, boss's database is switched to from subdata base from described.
In one embodiment, it is if above-mentioned processor executes the subdata base corresponding with the data-interface
From subdata base, after calling end of data, after described the step of being switched to boss's database from subdata base, packet
It includes: obtaining the data being not called upon in the subdata base；The data being not called upon in the subdata base are deleted, with cleaning
The memory of the subdata base.
In one embodiment, the instruction for the calling data that the project issues is received described in above-mentioned processor execution
Afterwards, after the step of calling subdata base corresponding to data-interface indicated by described instruction, comprising: obtain boss's number
Memory accounting is used according to library；If boss's database is more than preset accounting threshold value using memory accounting, according to institute
The data stated in boss's database successively delete data from the sequencing that the primary data source uploads to boss's database,
Until boss's database is less than or equal to the accounting threshold value using memory accounting.
In one embodiment, the instruction for the calling data that the project issues is received described in above-mentioned processor execution
Afterwards, after the step of calling subdata base corresponding to data-interface indicated by described instruction, comprising: obtain each data-interface
Call number；Each data-interface is carried out according to sequence from big to small according to the call number of each data-interface
Sequence forms data-interface call number sequencing table, includes each data-interface and corresponding calling in the sequencing table
Number；The sequencing table is sent to the user terminal.
In one embodiment, above-mentioned processor executes the call number according to each data-interface to each described
After the step of data-interface is ranked up according to sequence from big to small, forms data-interface call number sequencing table, comprising:
Judge whether primary data-interface is master data interface on the sequencing table；If it is not, sending the on the sequencing table
One data-interface is changed to the request of master data interface to the user terminal.
In conclusion the computer readable storage medium of the application, by the Data induction of multiple data sources to two subnumbers
According in library, and the data in key data source are placed in boss's database, are placed on from the data of data source from subdata base
In, it does not need to switch when calling multiple data between data source, it is possible to reduce change the number of database, improve system fortune
Capable stability.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein,
Any reference used in provided herein and embodiment to memory, storage, database or other media,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double speed are according to rate SDRAM (SSRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, device, article or the method that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, device, article or method institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, device of element, article or method.
The foregoing is merely preferred embodiment of the present application, are not intended to limit the scope of the patents of the application, all utilizations
Equivalent structure or equivalent flow shift made by present specification and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, similarly include in the scope of patent protection of the application.
Claims (10)
1. a kind of multi-source data read method based on distributed system characterized by comprising
Obtain the structural framing of the pending item based on distributed system；
According to the attribute information of the structural framing, multiple data source marks corresponding to the data of the project needs are determined
Know；
It obtains the multiple data source and identifies corresponding data-interface；
The master data source identification that user terminal is sent is received, the multiple data source mark is tagged to corresponding data respectively
In interface, by the corresponding data-interface in the master data source identification be labeled as master data interface, by the master data interface with
Other outer data-interfaces mark as data-interface, wherein the master data source identification be the user terminal according to
What the master data source selection operation at family generated；
Boss's database is established in the database and from subdata base, boss's database connects for receiving the master data
The data of mouth, it is described to be used to receive the data from data-interface from subdata base；
After the instruction for receiving the calling data that the project issues, call corresponding to data-interface indicated by described instruction
Subdata base, to obtain data.
2. the multi-source data read method based on distributed system as described in claim 1, which is characterized in that the reception is used
The multiple data source mark is tagged in corresponding data-interface by the master data source identification that family end is sent respectively, will
The corresponding data-interface in the master data source identification is labeled as master data interface, by other numbers other than the master data interface
After the step of marking according to interface as data-interface, comprising:
Section note is carried out from data-interface to described using towards tangent plane programming.
3. the multi-source data read method based on distributed system as described in claim 1, which is characterized in that described to receive
After the instruction for the calling data that the project issues, subdata base corresponding to data-interface indicated by described instruction is called
After step, comprising:
Judge whether the subdata base corresponding with the data-interface is from subdata base；
If the subdata base corresponding with the data-interface be from subdata base, after calling end of data, from it is described from
Subdata base is switched to boss's database.
4. the multi-source data read method based on distributed system as claimed in claim 3, which is characterized in that if described
Subdata base corresponding with the data-interface is after calling end of data, to be cut from subdata base from described from subdata base
After the step of changing to boss's database, comprising:
Obtain the data being not called upon in the subdata base；
The data being not called upon in the subdata base are deleted, to clear up the memory of the subdata base.
5. the multi-source data read method based on distributed system as described in claim 1, which is characterized in that described to receive
After the instruction for the calling data that the project issues, subdata base corresponding to data-interface indicated by described instruction is called
After step, comprising:
Obtain boss's database uses memory accounting；
If boss's database is more than preset accounting threshold value using memory accounting, according in boss's database
Data successively delete data from the sequencing that the primary data source uploads to boss's database, until boss's data
Library is less than or equal to the accounting threshold value using memory accounting.
6. the multi-source data read method based on distributed system as described in claim 1, which is characterized in that described to receive
After the instruction for the calling data that the project issues, subdata base corresponding to data-interface indicated by described instruction is called
After step, comprising:
Obtain the call number of each data-interface；
Each data-interface is ranked up according to sequence from big to small according to the call number of each data-interface, shape
It include each data-interface and corresponding call number in the sequencing table at data-interface call number sequencing table；
The sequencing table is sent to the user terminal.
7. the multi-source data read method based on distributed system as claimed in claim 6, which is characterized in that described according to each
The call number of the data-interface is ranked up each data-interface according to sequence from big to small, forms data-interface
After the step of call number sequencing table, comprising:
Judge whether primary data-interface is master data interface on the sequencing table；
The primary data-interface on the sequencing table is changed to the request of master data interface to the user if it is not, sending
End.
8. a kind of multi-source data reading device based on distributed system characterized by comprising
Frame module is obtained, for obtaining the structural framing of the pending item based on distributed system；
Source module is obtained, for the attribute information according to the structural framing, corresponding to the data for determining the project needs
Multiple data sources mark；
Interface module is obtained, identifies corresponding data-interface for obtaining the data source；
Mark module marks the multiple data source mark for receiving the master data source identification of user terminal transmission respectively
Remember in corresponding data-interface, the corresponding data-interface in the master data source identification is labeled as master data interface, by institute
It states other data-interfaces other than master data interface to mark as data-interface, wherein the master data source identification is institute
State what user terminal was generated according to the master data source selection operation of user；
Module is established, for establishing boss's database in the database and from subdata base, boss's database is for connecing
The data of the master data interface are received, it is described to be used to receive the data from data-interface from subdata base；
Calling module calls number indicated by described instruction after the instruction for receiving the calling data that the project issues
According to subdata base corresponding to interface, to obtain data.
9. a kind of computer equipment, including memory and processor, the memory are stored with computer program, feature exists
In the step of processor realizes any one of claims 1 to 7 the method when executing the computer program.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any one of claims 1 to 7 is realized when being executed by processor.
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