CN110188119A - Method and apparatus for obtaining data - Google Patents
Method and apparatus for obtaining data Download PDFInfo
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- CN110188119A CN110188119A CN201910495759.4A CN201910495759A CN110188119A CN 110188119 A CN110188119 A CN 110188119A CN 201910495759 A CN201910495759 A CN 201910495759A CN 110188119 A CN110188119 A CN 110188119A
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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
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2455—Query execution
- G06F16/24552—Database cache management
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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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Abstract
The embodiment of the present application discloses the method and apparatus for obtaining data, is related to field of cloud calculation.One specific embodiment of the above method comprises determining that the corresponding Target Acquisition condition of target data；Determine in the acquisition set of circumstances being locally stored whether include Target Acquisition condition；In response to determining that obtaining includes Target Acquisition condition in set of circumstances, determine in the data acquisition system being locally stored whether include target data；In response to determining that in data acquisition system do not include target data, data acquisition request is sent to database.Wherein, data acquisition request includes Target Acquisition condition.The embodiment is by being locally stored acquisition set of circumstances, it is possible to reduce the EMS memory occupation of local cache；And by obtaining data from the data acquisition system being locally stored, improve the efficiency of data acquisition；When data acquisition system does not include target data, database is just accessed, it can be ensured that access database can all get data every time, improve the validity of database access.
Description
Technical field
The invention relates to field of computer technology, and in particular to the method and apparatus for obtaining data.
Background technique
In order to reduce database access bring network overhead and computing cost to promote the performance of application, using often
By data buffer storage to local memory, internal storage data then is updated using the mode that timing updates, but when data volume is more and more
When, memory cost can also gradually rise, and many useless data also can committed memory, reduce resource utilization.
Summary of the invention
The embodiment of the present application proposes the method and apparatus for obtaining data.
In a first aspect, the embodiment of the present application provides a kind of method for obtaining data, comprising: determine target data pair
The Target Acquisition condition answered；Determine in the acquisition set of circumstances being locally stored whether include above-mentioned Target Acquisition condition；In response to
It determines to include above-mentioned Target Acquisition condition in above-mentioned acquisition set of circumstances, determines in the data acquisition system being locally stored whether include upper
State target data；In response to not including above-mentioned target data in the above-mentioned data acquisition system of determination, data acquisition is sent to database and is asked
It asks, wherein above-mentioned data acquisition request includes above-mentioned Target Acquisition condition.
In some embodiments, the above method further include: in response to the above-mentioned acquisition set of circumstances of determination do not include above-mentioned mesh
Acquisition condition is marked, presupposed information is exported.
In some embodiments, the above method further include: periodically obtain above-mentioned acquisition set of circumstances from above-mentioned database
The first incremental data；According to above-mentioned first incremental data, above-mentioned acquisition set of circumstances is updated.
In some embodiments, the above method further include: determine the corresponding acquisition condition of data in above-mentioned data acquisition system；
Periodically corresponding second incremental data of identified acquisition condition is obtained from database；According to above-mentioned second incremental data, more
New above-mentioned data acquisition system.
In some embodiments, the above method further include: receive the target data that above-mentioned database returns, and will be above-mentioned
Target data is stored in above-mentioned data acquisition system.
Second aspect, the embodiment of the present application provide a kind of for obtaining the device of data, comprising: condition determining unit,
It is configured to determine the corresponding Target Acquisition condition of target data；First judging unit is configured to determine obtaining of being locally stored
Whether take in set of circumstances includes above-mentioned Target Acquisition condition；Second judgment unit is configured in response to determine above-mentioned acquisition
Include above-mentioned Target Acquisition condition in set of circumstances, determines in the data acquisition system being locally stored whether include above-mentioned target data；
Request transmitting unit is configured in response to determine do not include above-mentioned target data in above-mentioned data acquisition system, sends to database
Data acquisition request, wherein above-mentioned data acquisition request includes above-mentioned Target Acquisition condition.
In some embodiments, above-mentioned apparatus further include: information output unit is configured in response to determine above-mentioned acquisition
Set of circumstances does not include above-mentioned Target Acquisition condition, exports presupposed information.
In some embodiments, above-mentioned apparatus further includes the first updating unit, is configured to: periodically from above-mentioned database
Obtain the first incremental data of above-mentioned acquisition set of circumstances；According to above-mentioned first incremental data, above-mentioned acquisition set of circumstances is updated.
In some embodiments, above-mentioned apparatus further includes the second updating unit, is configured to: being determined in above-mentioned data acquisition system
The corresponding acquisition condition of data；Periodically corresponding second incremental number of identified acquisition condition is obtained from above-mentioned database
According to；According to above-mentioned second incremental data, above-mentioned data acquisition system is updated.
In some embodiments, above-mentioned apparatus further include: data storage cell is configured to receive above-mentioned database and returns
Target data, and above-mentioned target data is stored in above-mentioned data acquisition system.
The third aspect, the embodiment of the present application provide a kind of electronic equipment, comprising: one or more processors；Storage dress
It sets, is stored thereon with one or more programs, when said one or multiple programs are executed by said one or multiple processors, make
It obtains said one or multiple processors realizes the method as described in first aspect any embodiment.
Fourth aspect, the embodiment of the present application provide a kind of computer-readable medium, are stored thereon with computer program, should
The method as described in first aspect any embodiment is realized when program is executed by processor.
The method and apparatus provided by the above embodiment for obtaining data of the application, can determine target data first
Corresponding Target Acquisition condition.Then, it is determined that whether including above-mentioned Target Acquisition condition in the acquisition set of circumstances being locally stored.
If including, it is determined that it whether include target data in the data acquisition system being locally stored.If not including, sent to database
Data acquisition request, above-mentioned data acquisition request include Target Acquisition condition.The method of the present embodiment, it can be ensured that access every time
Database can get data, without returning to null message, improve the validity of database access.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is that one embodiment of the application can be applied to exemplary system architecture figure therein；
Fig. 2 is the flow chart according to one embodiment of the method for obtaining data of the application；
Fig. 3 is the schematic diagram according to an application scenarios of the method for obtaining data of the application；
Fig. 4 is the flow chart according to another embodiment of the method for obtaining data of the application；
Fig. 5 is the structural schematic diagram according to one embodiment of the device for obtaining data of the application；
Fig. 6 is adapted for the structural schematic diagram for the computer system for realizing the electronic equipment of the embodiment of the present application.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to related invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 is shown can be using the method for obtaining data of the application or the implementation of the device for obtaining data
The exemplary system architecture 100 of example.
As shown in Figure 1, system architecture 100 may include terminal device 101, server 102 and database 103.Terminal is set
Network connection can be passed through between database 103 for 101 and server 102.Network may include various connection types, such as
Wired, wireless communication link or fiber optic cables etc..
Terminal device 101 and server 102 can be by the interactions of network and database 103, to read data or write-in number
According to etc..Terminal device 101 and server 102 can store the acquisition condition of data, also can store data.
Various telecommunication customer end applications can be installed, such as web browser applications, shopping class are answered on terminal device 101
With, searching class application, instant messaging tools, mailbox client, social platform software etc..User can be connected by terminal device
It is connected in above-mentioned types of applications and the server 102 supported is provided, so that server 102 accesses database 103, with from database 103
Obtain data.
Terminal device 101 can be hardware, be also possible to software.When terminal device 101 is hardware, can be with aobvious
Display screen and the various electronic equipments for supporting database access, including but not limited to smart phone, tablet computer, e-book reading
Device, MP3 (Moving Picture Experts Group Audio Layer III, dynamic image expert's compression standard audio
Level 3) player, MP4 (Moving Picture Experts Group Audio Layer IV, dynamic image expert compression
Standard audio level 4) player, pocket computer on knee and desktop computer etc..When terminal device 101 is software,
It may be mounted in above-mentioned cited electronic equipment.Multiple softwares or software module may be implemented into (such as providing in it
Distributed Services), single software or software module also may be implemented into.It is not specifically limited herein.
Server 102 can be to provide the server of various services, for example, various answering to what is installed on terminal device 101
With the background server being supported.Background server obtains data from database 103, and data are further processed
(forwarding or storage).
It should be noted that server 102 can be hardware, it is also possible to software.When server is hardware, Ke Yishi
The distributed server cluster of ready-made multiple server compositions, also may be implemented into individual server.When server 102 is software
When, multiple softwares or software module (such as providing Distributed Services) may be implemented into, single software also may be implemented into
Or software module.It is not specifically limited herein.
Database 103 can be the database for storing various data.For example, database purchase has terminal device 101
Data required for the types of applications of upper installation.Acquisition set of circumstances can also be stored on database 103, database 103 can
Terminal device 101 or server 102 are sent to will acquire set of circumstances.Database 103 can with receiving terminal apparatus 101 or
The data acquisition request that server 102 is sent, and is handled data acquisition request, and by processing result (such as number of targets
According to) return to terminal device 101 or server 102.
It should be noted that can be by terminal device 101 for obtaining the method for data provided by the embodiment of the present application
Or server 102 executes.Correspondingly, it is generally positioned in terminal device 101 or server 102 for obtaining the device of data.
It should be understood that the number of terminal device, server and database in Fig. 1 is only schematical.According to realization
It needs, can have any number of terminal device, server and database.
With continued reference to Fig. 2, the process of one embodiment of the method for obtaining data according to the application is shown
200.The method for obtaining data of the present embodiment, comprising the following steps:
Step 201, the corresponding Target Acquisition condition of target data is determined.
In the present embodiment, for obtain the method for data executing subject (such as terminal device shown in FIG. 1 101 or
Server 102) it can determine the corresponding Target Acquisition condition of target data first before obtaining target data.Target data
It can be executing subject and want the data obtained.For example, target data can be the school report of student.Above-mentioned Target Acquisition condition
It can be used for obtaining target data.For example, Target Acquisition condition can be the student number of student, can also be class and surname
Name.Acquisition conditions and data is can store in database (such as database 103 shown in FIG. 1).Database can be according to obtaining
Condition is taken, determines data.
Step 202, determine in the acquisition set of circumstances being locally stored whether include Target Acquisition condition.
Acquisition set of circumstances has been locally stored in executing subject.Obtain in set of circumstances may include that at least one obtains item
Part.Obtain the data in set of circumstances correspondence database.Database can generate according to the full dose data wherein stored and obtain item
Part set.In some optional application scenarios, acquisition that database can also will include in the data acquisition request that received
Condition is added in acquisition set of circumstances generated.Executing subject can determine local deposit after determining Target Acquisition condition
It whether include above-mentioned Target Acquisition condition in the acquisition set of circumstances of storage.If including including number of targets in database of descriptions
According to.If not including, database of descriptions does not include target data.
Step 203, in response to determining that obtaining includes Target Acquisition condition in set of circumstances, determines the data set being locally stored
It whether include target data in conjunction.
Executing subject determine obtain set of circumstances in include Target Acquisition condition after, may further determine that executing subject
It whether include target data in the data acquisition system being locally stored.In the present embodiment, executing subject locally not only can store and obtain
Set of circumstances is taken, data acquisition system can also be stored with.The corresponding acquisition condition of data in data acquisition system belongs to acquisition condition set
It closes.
In some optional implementations of the present embodiment, the above method can further include in Fig. 2 and be not shown
Following steps: in response to determine obtain set of circumstances do not include Target Acquisition condition, export presupposed information.
If executing subject determines that obtaining set of circumstances does not include Target Acquisition condition, does not also include in database of descriptions
Target data, then executing subject cannot get target data, can export presupposed information at this time.Above-mentioned presupposed information can be
Empty information, or prompt information cannot be acquired for prompting target data at this time.
Step 204, in response to determining that in data acquisition system do not include target data, data acquisition request is sent to database.
If it does not include target data in data acquisition system that executing subject, which determines, data acquisition can be sent to database and asked
It asks.Above-mentioned data acquisition request includes Target Acquisition condition.In the present embodiment, if not including in the data acquisition system being locally stored
Target data then illustrates that executing subject cannot locally get target data.At this point, executing subject needs to send to database
Data acquisition request, to obtain target data from database.
With continued reference to the signal that Fig. 3, Fig. 3 are according to the application scenarios of the method for obtaining data of the present embodiment
Figure.In the application scenarios of Fig. 3, terminal device 301, which has been locally stored, obtains set of circumstances and data acquisition system.Terminal device 301
Before obtaining target data student performance, it is first determined the corresponding Target Acquisition condition of student performance is student number.It is then detected that this
It whether include Target Acquisition condition student number in the acquisition set of circumstances on ground.If including further determining that local data set
It whether include student performance in conjunction.If not including, data acquisition request is sent to database 302, to obtain from database 302
Take student performance.
The method provided by the above embodiment for obtaining data of the application, can determine that first target data is corresponding
Target Acquisition condition.Then, it is determined that whether including above-mentioned Target Acquisition condition in the acquisition set of circumstances being locally stored.If packet
It includes, it is determined that whether include target data in the data acquisition system being locally stored.If not including, data are sent to database and are obtained
Request is taken, above-mentioned data acquisition request includes Target Acquisition condition.The method of the present embodiment has been compared in the prior art at this
The full dose data of ground cache database, by the way that acquisition set of circumstances is being locally stored, it is possible to reduce the EMS memory occupation of local cache；
And by obtaining data from the data acquisition system being locally stored, improve the efficiency of data acquisition；It does not include mesh in data acquisition system
When marking data, database is just accessed, it can be ensured that access database can all get data every time, and that improves database access has
Effect property.
With continued reference to Fig. 4, it illustrates the streams according to another embodiment of the method for obtaining data of the application
Journey 400.As shown in figure 4, the method for obtaining data of the present embodiment may comprise steps of:
Step 401, the corresponding Target Acquisition condition of target data is determined.
Step 402, determine in the acquisition set of circumstances being locally stored whether include Target Acquisition condition.
Step 403, in response to determining that obtaining includes Target Acquisition condition in set of circumstances, determines the data set being locally stored
It whether include target data in conjunction.
Step 404, in response to determining that in data acquisition system do not include target data, data acquisition request is sent to database.
The principle of step 401~404 is similar to step 201~step 204 principle, and details are not described herein again.
Step 405, acquisition set of circumstances is periodically updated.
In the present embodiment, executing subject can periodically update acquisition set of circumstances.Specifically, executing subject can be with the period
Property to database send request, to obtain above-mentioned acquisition set of circumstances.
In some optional implementations of the present embodiment, executing subject can pass through following step unshowned in Fig. 4
The rapid update to realize acquisition set of circumstances: the first incremental data of above-mentioned acquisition set of circumstances is periodically obtained from database；
First incremental data is increased to and is obtained in set of circumstances.
In this implementation, executing subject can periodically obtain the first increasing of above-mentioned acquisition set of circumstances from database
Measure data.Specifically, database can determine the incremental data for obtaining set of circumstances according to database journal.Then, data
Library can be sent to executing subject for above-mentioned incremental data as the first incremental data.Then, executing subject can be according to first
Incremental data updates and obtains set of circumstances.Specifically, executing subject can be according to the first incremental data, to acquisition set of circumstances
The processing such as increased, deleted, being modified.
Step 406, the data in data acquisition system are periodically updated.
In the present embodiment, executing subject can also periodically update the data in data acquisition system.Specifically, executing subject can
To determine the corresponding acquisition condition of data in data acquisition system first.Then, executing subject can be obtained periodically from database
Take the second incremental data of above-mentioned acquisition condition.Specifically, database can determine that acquisition condition is corresponding according to database journal
Incremental data.Then, using above-mentioned incremental data as the second incremental data, it is sent to executing subject.Executing subject can root
According to the second incremental data, data acquisition system is updated.Specifically, executing subject can be according to the second incremental data, to acquisition condition set
Conjunction such as is increased, is deleted, being modified at the processing.
In some optional implementations of the present embodiment, the above method can further include in Fig. 4 and be not shown
Following steps: receive the target data that database returns, and target data be stored in data acquisition system.
In this implementation, executing subject can receive database return after sending data acquisition request to database
Target data.Then, target data can be stored in data acquisition system by executing subject.In this way, realizing to data acquisition system
Update, executing subject next time obtain target data in, target data can be obtained from the data acquisition system being locally stored.
The method provided by the above embodiment for obtaining data of the application can periodically be updated and is locally stored
Set of circumstances and data acquisition system are obtained, the full dose data stored in database is not only can be understood that, has compared existing skill
In art in local cache and the full dose data of more new database, it is possible to reduce update the network overhead when data of local cache
And computing cost.
With further reference to Fig. 5, as the realization to method shown in above-mentioned each figure, this application provides one kind for obtaining number
According to device one embodiment, the Installation practice is corresponding with embodiment of the method shown in Fig. 2, which can specifically answer
For in various electronic equipments.
As shown in figure 5, the device 500 for obtaining data of the present embodiment includes: condition determining unit 501, first sentences
Disconnected unit 502, second judgment unit 503 and request transmitting unit 504.
Condition determining unit 501 is configured to determine the corresponding Target Acquisition condition of target data.
Whether first judging unit 502, being configured to determine in the acquisition set of circumstances being locally stored includes Target Acquisition
Condition.
Second judgment unit 503 is configured in response to determine that obtaining includes Target Acquisition condition in set of circumstances, determines
It whether include target data in the data acquisition system being locally stored.
Request transmitting unit 504 is configured in response to determine that in data acquisition system do not include target data, send out to database
Send data acquisition request.Wherein, data acquisition request includes Target Acquisition condition.
In some optional implementations of the present embodiment, above-mentioned apparatus 500, which can further include in Fig. 5, not to be shown
Information output unit out is configured in response to determine that obtaining set of circumstances does not include Target Acquisition condition, exports default letter
Breath.
In some optional implementations of the present embodiment, above-mentioned apparatus 500, which can further include in Fig. 5, not to be shown
The first updating unit out, is configured to: the first incremental data of above-mentioned acquisition set of circumstances is periodically obtained from database；Root
According to the first incremental data, updates and obtain set of circumstances.
In some optional implementations of the present embodiment, above-mentioned apparatus 500, which can further include in Fig. 5, not to be shown
The second updating unit out, is configured to: determining the corresponding acquisition condition of data in data acquisition system；Periodically obtained from database
Corresponding second incremental data of acquisition condition determined by taking；According to the second incremental data, data acquisition system is updated.
In some optional implementations of the present embodiment, above-mentioned apparatus 500, which can further include in Fig. 5, not to be shown
Data storage cell out, is configured to receive the target data of database return, and target data is stored in data set
In conjunction.
It should be appreciated that for obtaining the unit 501 recorded in the devices 500 of data to unit 504 respectively and in reference Fig. 2
Each step in the method for description is corresponding.As a result, above with respect to the operation and feature of the method description for obtaining data
It is equally applicable to device 500 and unit wherein included, details are not described herein.
Below with reference to Fig. 6, it illustrates the electronic equipment that is suitable for being used to realize embodiment of the disclosure, (example is as shown in figure 1
Server or terminal device) 600 structural schematic diagram.Terminal device in embodiment of the disclosure can include but is not limited to all
As mobile phone, laptop, digit broadcasting receiver, PDA (personal digital assistant), PAD (tablet computer), PMP are (portable
Formula multimedia player), the mobile terminal of car-mounted terminal (such as vehicle mounted guidance terminal) etc..Electronic equipment shown in Fig. 6 is only
Only an example, should not function to embodiment of the disclosure and use scope bring any restrictions.
As shown in fig. 6, electronic equipment 600 may include processing unit (such as central processing unit, graphics processor etc.)
601, random access can be loaded into according to the program being stored in read-only memory (ROM) 602 or from storage device 608
Program in memory (RAM) 603 and execute various movements appropriate and processing.In RAM 603, it is also stored with electronic equipment
Various programs and data needed for 600 operations.Processing unit 601, ROM 602 and RAM 603 pass through the phase each other of bus 604
Even.Input/output (I/O) interface 605 is also connected to bus 604.
In general, following device can connect to I/O interface 605: including such as touch screen, touch tablet, keyboard, mouse, taking the photograph
As the input unit 606 of head, microphone, accelerometer, gyroscope etc.；Including such as liquid crystal display (LCD), loudspeaker, vibration
The output device 607 of dynamic device etc.；Storage device 608 including such as tape, hard disk etc.；And communication device 609.Communication device
609, which can permit electronic equipment 600, is wirelessly or non-wirelessly communicated with other equipment to exchange data.Although Fig. 6 shows tool
There is the electronic equipment 600 of various devices, it should be understood that being not required for implementing or having all devices shown.It can be with
Alternatively implement or have more or fewer devices.Each box shown in Fig. 6 can represent a device, can also root
According to needing to represent multiple devices.
Particularly, in accordance with an embodiment of the present disclosure, it may be implemented as computer above with reference to the process of flow chart description
Software program.For example, embodiment of the disclosure includes a kind of computer program product comprising be carried on computer-readable medium
On computer program, which includes the program code for method shown in execution flow chart.In such reality
It applies in example, which can be downloaded and installed from network by communication device 609, or from storage device 608
It is mounted, or is mounted from ROM 602.When the computer program is executed by processing unit 601, the implementation of the disclosure is executed
The above-mentioned function of being limited in the method for example.It should be noted that computer-readable medium described in embodiment of the disclosure can be with
It is computer-readable signal media or computer readable storage medium either the two any combination.It is computer-readable
Storage medium for example may be-but not limited to-the system of electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, device or
Device, or any above combination.The more specific example of computer readable storage medium can include but is not limited to: have
The electrical connection of one or more conducting wires, portable computer diskette, hard disk, random access storage device (RAM), read-only memory
(ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-
ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.In embodiment of the disclosure, computer
Readable storage medium storing program for executing can be any tangible medium for including or store program, which can be commanded execution system, device
Either device use or in connection.And in embodiment of the disclosure, computer-readable signal media may include
In a base band or as the data-signal that carrier wave a part is propagated, wherein carrying computer-readable program code.It is this
The data-signal of propagation can take various forms, including but not limited to electromagnetic signal, optical signal or above-mentioned any appropriate
Combination.Computer-readable signal media can also be any computer-readable medium other than computer readable storage medium, should
Computer-readable signal media can send, propagate or transmit for by instruction execution system, device or device use or
Person's program in connection.The program code for including on computer-readable medium can transmit with any suitable medium,
Including but not limited to: electric wire, optical cable, RF (radio frequency) etc. or above-mentioned any appropriate combination.
Above-mentioned computer-readable medium can be included in above-mentioned electronic equipment；It is also possible to individualism, and not
It is fitted into the electronic equipment.Above-mentioned computer-readable medium carries one or more program, when said one or more
When a program is executed by the electronic equipment, so that the electronic equipment: determining the corresponding Target Acquisition condition of target data；Determine this
It whether include Target Acquisition condition in the acquisition set of circumstances of ground storage；It is obtained in response to determining to obtain in set of circumstances including target
Condition is taken, determines in the data acquisition system being locally stored whether include target data；In response to determining that in data acquisition system do not include mesh
Data are marked, send data acquisition request to database, wherein data acquisition request includes Target Acquisition condition.
The behaviour for executing embodiment of the disclosure can be write with one or more programming languages or combinations thereof
The computer program code of work, described program design language include object oriented program language-such as Java,
Smalltalk, C++ further include conventional procedural programming language-such as " C " language or similar program design language
Speech.Program code can be executed fully on the user computer, partly be executed on the user computer, as an independence
Software package execute, part on the user computer part execute on the remote computer or completely in remote computer or
It is executed on server.In situations involving remote computers, remote computer can pass through the network of any kind --- packet
It includes local area network (LAN) or wide area network (WAN)-is connected to subscriber computer, or, it may be connected to outer computer (such as benefit
It is connected with ISP by internet).
Flow chart and block diagram in attached drawing are illustrated according to the system of the various embodiments of the disclosure, method and computer journey
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
A part of one module, program segment or code of table, a part of the module, program segment or code include one or more use
The executable instruction of the logic function as defined in realizing.It should also be noted that in some implementations as replacements, being marked in box
The function of note can also occur in a different order than that indicated in the drawings.For example, two boxes succeedingly indicated are actually
It can be basically executed in parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.Also it to infuse
Meaning, the combination of each box in block diagram and or flow chart and the box in block diagram and or flow chart can be with holding
The dedicated hardware based system of functions or operations as defined in row is realized, or can use specialized hardware and computer instruction
Combination realize.
Being described in unit involved in embodiment of the disclosure can be realized by way of software, can also be passed through
The mode of hardware is realized.Described unit also can be set in the processor, for example, can be described as: a kind of processor
Including condition determining unit, the first judging unit, second judgment unit and request transmitting unit.Wherein, the title of these units
The restriction to the unit itself is not constituted under certain conditions, for example, condition determining unit is also described as " determining mesh
Mark the unit of the corresponding Target Acquisition condition of data ".
Above description is only the preferred embodiment of the disclosure and the explanation to institute's application technology principle.Those skilled in the art
Member it should be appreciated that embodiment of the disclosure involved in invention scope, however it is not limited to the specific combination of above-mentioned technical characteristic and
At technical solution, while should also cover do not depart from foregoing invention design in the case where, by above-mentioned technical characteristic or its be equal
Feature carries out any combination and other technical solutions for being formed.Such as disclosed in features described above and embodiment of the disclosure (but
It is not limited to) technical characteristic with similar functions is replaced mutually and the technical solution that is formed.
Claims (12)
1. a kind of method for obtaining data, comprising:
Determine the corresponding Target Acquisition condition of target data；
Determine in the acquisition set of circumstances being locally stored whether include the Target Acquisition condition；
In response to including the Target Acquisition condition in the determination acquisition set of circumstances, determine in the data acquisition system being locally stored
It whether include the target data；
In response to not including the target data in the determination data acquisition system, data acquisition request is sent to database, wherein
The data acquisition request includes the Target Acquisition condition.
2. according to the method described in claim 1, wherein, the method also includes:
Do not include the Target Acquisition condition in response to the determination acquisition set of circumstances, exports presupposed information.
3. according to the method described in claim 1, wherein, the method also includes:
Periodically first incremental data for obtaining set of circumstances is obtained from the database；
According to first incremental data, the acquisition set of circumstances is updated.
4. according to the method described in claim 1, wherein, the method also includes:
Determine the corresponding acquisition condition of data in the data acquisition system；
Periodically corresponding second incremental data of identified acquisition condition is obtained from database；
According to second incremental data, the data acquisition system is updated.
5. according to the method described in claim 1, wherein, the method also includes:
The target data that the database returns is received, and the target data is stored in the data acquisition system.
6. a kind of for obtaining the device of data, comprising:
Condition determining unit is configured to determine the corresponding Target Acquisition condition of target data；
Whether first judging unit, being configured to determine in the acquisition set of circumstances being locally stored includes the Target Acquisition item
Part；
Second judgment unit, being configured in response to determine includes the Target Acquisition condition in the acquisition set of circumstances, really
It surely whether include the target data in the data acquisition system being locally stored；
Request transmitting unit is configured in response to determine do not include the target data in the data acquisition system, to database
Send data acquisition request, wherein the data acquisition request includes the Target Acquisition condition.
7. device according to claim 6, wherein described device further include:
Information output unit is configured in response to determine that the acquisition set of circumstances does not include the Target Acquisition condition, defeated
Presupposed information out.
8. device according to claim 6, wherein described device further includes the first updating unit, is configured to:
Periodically first incremental data for obtaining set of circumstances is obtained from the database；
According to first incremental data, the acquisition set of circumstances is updated.
9. device according to claim 6, wherein described device further includes the second updating unit, is configured to:
Determine the corresponding acquisition condition of data in the data acquisition system；
Periodically corresponding second incremental data of identified acquisition condition is obtained from the database；
According to second incremental data, the data acquisition system is updated.
10. device according to claim 6, wherein described device further include: data storage cell is configured to receive
The target data that the database returns, and the target data is stored in the data acquisition system.
11. a kind of electronic equipment, comprising:
One or more processors；
Storage device is stored thereon with one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
Now such as method as claimed in any one of claims 1 to 5.
12. a kind of computer-readable medium, is stored thereon with computer program, wherein the realization when program is executed by processor
Such as method as claimed in any one of claims 1 to 5.
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