CN107480210A - Internal storage data operating method and device - Google Patents
Internal storage data operating method and device Download PDFInfo
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- CN107480210A CN107480210A CN201710621317.0A CN201710621317A CN107480210A CN 107480210 A CN107480210 A CN 107480210A CN 201710621317 A CN201710621317 A CN 201710621317A CN 107480210 A CN107480210 A CN 107480210A
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- database
- data
- internal storage
- storage data
- memory
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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
- G06F16/252—Integrating or interfacing systems involving database management systems between a Database Management System and a front-end application
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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
- G06F16/22—Indexing; Data structures therefor; Storage structures
- G06F16/2291—User-Defined Types; Storage management thereof
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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
- G06F16/28—Databases characterised by their database models, e.g. relational or object models
- G06F16/284—Relational databases
Abstract
The present invention, which provides a kind of internal storage data operating method and device, method, to be included：The database file of memory database is established, and the connection established between the memory database and application program；By the database file and the data base tool class wrapper that pre-establishes into class libraries；The first operation requests are responded, load the class libraries in the application, the internal storage data of the application program is stored using the database file；The second operation requests are responded, call the data base tool class, operation corresponding with second operation requests is performed to the internal storage data in the database file.
Description
Technical field
The present invention relates to technical field of data storage, in particular to a kind of internal storage data operating method and device.
Background technology
Mainly include two kinds for the processing mode of internal storage data (or microdata) at present, the first is that internal storage data is straight
Storage is connect into internal memory, second is to serialize internal storage data into local file.Certain drawback all be present in both modes,
First way although internal storage data easy to operation, but program is once restarted or equipment machine internal storage data of delaying will be lost, can not
Persistence internal storage data is preserved.The second way can with persistence preserve internal storage data with respect to the first, but not
It is easy to data manipulation.
The content of the invention
In view of this, it is an object of the invention to provide a kind of internal storage data operating method and device, to improve above-mentioned ask
Topic.
In order to achieve the above object, the embodiment of the present invention provides a kind of internal storage data operating method, and methods described includes：
The database file of memory database is established, and the connection established between the memory database and application program；
By the database file and the data base tool class wrapper that pre-establishes into class libraries；
The first operation requests are responded, load the class libraries in the application, should be answered using database file storage
With program internal memory data；
The second operation requests are responded, the data base tool class is called, the internal storage data in the database file is held
Row operation corresponding with second operation requests.
Alternatively, in the above-mentioned methods, the step of establishing the connection between the memory database and application program, bag
Include：
Register the driver for establishing database connection；
The driver is loaded, and is established based on the driver between the memory database and application program
Connection.
Alternatively, in the above-mentioned methods, the memory database is SQLite databases.
Alternatively, in the above-mentioned methods, the driver is org.sqlite.jdbc.
Alternatively, in the above-mentioned methods, the internal memory database file instructs foundation or visual by SQLite by cmd
Change management tool to establish.
Alternatively, in the above-mentioned methods, the data base tool class includes data increase instruction, data delete instruction, number
Instructed according to write-over instruction and data query.
The embodiment of the present invention also provides a kind of internal storage data operation device, and described device includes：
Module is established, for establishing the database file of memory database, and the memory database is established and applies journey
Connection between sequence；
Package module, for by the database file and the data base tool class wrapper that pre-establishes into class libraries；
First operation module, for responding the first operation requests, the class libraries is loaded in the application, using described interior
The internal storage data of the deposit data library storage application program；
Second operation module, for responding the second operation requests, the data base tool class is called, to the data library text
Internal storage data in part performs operation corresponding with second operation requests.
Alternatively, in said apparatus, the company for establishing module and establishing between the memory database and application program
The mode connect, including：
Register the driver for establishing database connection；
Load the driver, and based on the driver establish the internal memory database file and application program it
Between connection.
Alternatively, in said apparatus, the memory database is SQLite databases.
Alternatively, in said apparatus, the driver is org.sqlite.jdbc.
Internal storage data operating method provided in an embodiment of the present invention and device, application program is stored by memory database
Internal storage data, and the interface for operating internal storage data is established based on the memory database, is easy to by the interface operation
The internal storage data stored in the memory database.In this way, can either persistence ground stored memory data, improve internal storage data again
Operating efficiency.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing elaborates.
Brief description of the drawings
Scheme in order to illustrate the embodiments of the present invention more clearly is right below in conjunction with the accompanying drawing in the embodiment of the present invention
Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making wound
The every other embodiment obtained under the premise of the property made work, belongs to the scope of protection of the invention.
Fig. 1 is the block diagram of a kind of electronic equipment provided in an embodiment of the present invention.
Fig. 2 is a kind of schematic flow sheet of internal storage data operating method provided in an embodiment of the present invention.
Fig. 3 is the sub-step schematic diagram of step S110 shown in Fig. 2.
Fig. 4 is a kind of functional block diagram of internal storage data operation device provided in an embodiment of the present invention.
Icon：100- electronic equipments；110- internal storage data operation devices；111- establishes module；112- package modules；113-
First operation module；The operation modules of 114- second；120- memories；130- processors.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Generally exist
The component described in accompanying drawing with the embodiment of the present invention of displaying can be configured to arrange and design with a variety of herein.
Therefore, below the detailed description of the embodiments of the invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on embodiments of the invention, people in the art
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.Meanwhile the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
As shown in figure 1, being the block diagram of a kind of electronic equipment 100 provided in an embodiment of the present invention, the electronics is set
Application program is installed in standby 100, internal storage data operating method provided in an embodiment of the present invention and device can apply to described
Application program.The electronic equipment 100 includes internal storage data operation device 110, memory 120 and processor 130.
Wherein, 130 each element of memory 120 and processor is directly or indirectly electrically connected between each other, with reality
The transmission or interaction of existing data.For example, these elements can be realized by one or more communication bus or signal wire between each other
It is electrically connected with.Internal storage data operation device 110 can be stored in including at least one in the form of software or firmware (firmware)
In memory 120 or the software function mould that is solidificated in the operating system (operating system, OS) of electronic equipment 100
Block.
The processor 130 is used to perform the executable module being stored in memory 120, such as internal storage data operation dress
Put software function module and computer program included by 110 etc..
In the present embodiment, the memory 120 may be, but not limited to, random access memory (Random
Access Memory, RAM), read-only storage (Read Only Memory, ROM), programmable read only memory
(Programmable Read-Only Memory, PROM), erasable read-only memory (Erasable Programmable
Read-Only Memory, EPROM), electricallyerasable ROM (EEROM) (Electric Erasable Programmable
Read-Only Memory, EEPROM) etc..
The processor 130 can be a kind of IC chip, have the ability of signal transacting.The processor 130
Can also be general processor, for example, central processing unit (Central Processing Unit, CPU), network processing unit
(Network Processor, NP) etc.；Can also be digital signal processor (DSP)), application specific integrated circuit (ASIC), scene
Programmable gate array (FPGA) either other PLDs, discrete gate or transistor logic, discrete hardware group
Part.Disclosed each method, step and logic diagram in the embodiment of the present invention can be realized or performed to the processor 130.
Above-mentioned general processor can be microprocessor or the processor can also be any conventional processor etc..
It should be appreciated that the structure shown in Fig. 1 is only to illustrate, electronic equipment 100 can have more more or less than shown in Fig. 1
Component, it is possible to have the configuration different from shown in Fig. 1.It should be noted that each component shown in Fig. 1 can be with software, hard
Part or its combination are realized.
As shown in Fig. 2 be a kind of schematic flow sheet of internal storage data operating method provided in an embodiment of the present invention, it is described interior
The application program that deposit data operating method can be applied in the electronic equipment 100 shown in Fig. 1, for being answered in electronic equipment 100
Stored and operated with the internal storage data of program.In the present embodiment, electronic equipment 100 can be that the electronics based on JAVA is set
Standby, the application program in electronic equipment 100 can be JAVA programs.
The idiographic flow shown in Fig. 2 and step will be described in detail below.
Step S110, establishes the database file of memory database, and establish the memory database and application program it
Between connection.
In the present embodiment, the memory database can be SQLite databases, and SQLite databases are a kind of light-duty
Relevant database.For SQLite databases, a database file is a database, and operating database is actual
On be operation to the database file.
Thus, database connection is alternatively referred to as established in the connection established between memory database and application program, its essence
It is the data transmission channel established between memory database and application program, to need to operate memory database in application program
In data when open the data transmission channel.It should be appreciated that the database connection established in the present embodiment is not internal memory number
According to the connection of storehouse and some concrete application program, but a connecting object that can be used for operating the memory database
(connection)。
In the present embodiment, when memory database is SQLite, the company that establishes between memory database and application program
Connect, the connection as established between SQLite databases and application program.
Alternatively, in the present embodiment, the database file can be established by cmd order lines, can also pass through
SQLite database visualizations management tool is established.
Alternatively, in the present embodiment, the connection established in step S110 between the memory database and application program
The step of can pass through step S111 and the sub-steps of step S112 two and realize.
Step S111, register the driver for establishing database connection.
In the present embodiment, the driver can be org.sqlite.JDBC.It should be noted that JDBC (Java
DataBase Connectivity, Java database connect) it is a kind of Java API for being used to perform SQL statement
(Application Programming Interface, application programming interface).In actual applications, JDBC passes through
JDBC driver specifications intactly realize, the communication that can be established between JAVA programs and database by JDBC drivers
Channel (that is, database connection).
Registration needs to use before database connection is established using JDBC drivers, it is necessary in driven management device
Driver.In the present embodiment, the driver being registered is org.sqlite.JDBC.
Step S112, the driver is loaded, and the memory database and application are established based on the driver
Connection between program.
In this example, it is assumed that the database file established in step S110 is test.db, then step S111 and step
S112 can be realized by following code：
String dbFilePath=" test.db "；
Class.forName("org.sqlite.JDBC")；
Connect=DriverManager.getConnection (" jdbc.sqlite；"+dbFilePath).
Wherein, Class.forName (" org.sqlite.JDBC ") is used to inform the database file of electronic equipment 100
The driver that test.db is needed to use.Tool-class Sql.DriverManager be used for handle JDBC drivers loading and
Unloading.Tool-class Sql.Connection is used for the connection established between JAVA programs and memory database.
Further, DriverManager.getConnection () input parameter can include database address (such as
URL addresses), user name and password.The database address is corresponding with selected database-driven, different database-drivens tool
There is different addresses.The password can flexibly be set according to user's request, in this way, the safety of internal storage data storage can be improved
Property.
Step S120, by the database file and the data base tool class wrapper that pre-establishes into class libraries.
In the present embodiment, data increase instruction can be included in the data base tool class, data delete instruction, data
Write-over instruction and data query instruction, for the internal storage data in memory database to be increased, deletes, rewrites or looked into
Ask.During implementation, above-mentioned instruction can be write in advance, and the instruction write is packaged into a tool-class (Utils), that is,
The data base tool class.
In the present embodiment, it is that the database file and the data base tool class are packaged into class libraries (jar in the lump
Bag).
Step S130, the first operation requests are responded, the class libraries is loaded in the application, uses the memory database
Store the internal storage data of the application program.
During implementation, it can be loaded when needing to use memory database to carry out stored memory data in corresponding application program
The jar bags.Wherein, the first operation requests refer to the operation requests for needing to use memory database.
Step S140, the second operation requests are responded, the data base tool class are called, in the memory database
Deposit data performs operation corresponding with second operation requests.
In the present embodiment, if desired memory database is operated, for example, it is desired to increase, delete, look into or change the internal memory
During internal storage data in database, you can call the data base tool class, and by corresponding in the data base tool class
Instruction performs operation corresponding with second operation requests.
Wherein, second operation requests refer to SQL statement, are used to ask increase internal storage data in the SQL statement, delete
It is at least one in internal storage data, change internal storage data and audit memory data., please if being used in the SQL statement during implementation
Increase internal storage data is sought, then calls the data in the data base tool class to increase instruction.If the SQL statement is used to ask to delete
Internal storage data, then the data in the data tool class are called to delete instruction.In this way, data manipulation effect can be greatly enhanced
Rate.
As shown in figure 4, the embodiment of the present invention also provides a kind of internal storage data operation device 110.The internal storage data operation
Device 110 includes establishing module 111, package module 112, the first operation module 113 and the second operation module 114.
Wherein, the module 111 of establishing is used to establish the data file of memory database, and establish the internal storage data with
Connection between application program.
In the present embodiment, it is described establish module 111 as described in description specifically refer to the detailed of step S110 shown in Fig. 2
Thin description.That is, the step S110 can be performed by the module 111 of establishing.
Alternatively, in the present embodiment, the module 111 of establishing can establish the database file in the following way
With the connection between the memory database：
The driver for establishing database connection is registered, loads the driver, and be based on the driver
The connection established between the memory database and application program.
Alternatively, in the present embodiment, the memory database can be SQLite databases.
Alternatively, in the present embodiment, the driver can be org.sqlite.JDBC.
The package module 112 is used for the database file and the data base tool class wrapper that pre-establishes into class
Storehouse.
In the present embodiment, the description as described in the package module 112 is specifically referred to the detailed of step S120 shown in Fig. 2
Thin description, that is, the step S120 can be performed by the package module 112.
First operation module 113 is used to respond the first operation requests, loads the class libraries in the application, uses
The internal storage data of application program described in the internal storage data library storage.
In the present embodiment, the description as described in first operation module 113 is specifically referred to step S130 shown in Fig. 2
Detailed description, that is, the step S130 can be performed by first operation module 113.
Second operation module 114 is used to respond the second operation requests, the data base tool class is called, to the number
Operation corresponding with second operation requests is performed according to the internal storage data in library file.
In the present embodiment, the step S140 shown in description degree of specifically referring to Fig. 2 as described in second operation module 114
Detailed description, namely step S140 can perform by second operation module 114.
In summary, internal storage data operating method provided in an embodiment of the present invention and device, are deposited by memory database
The internal storage data of application program is stored up, and the interface for operating internal storage data is established based on the memory database, is easy to pass through
The internal storage data stored in the interface operation memory database.In this way, can either persistence ground stored memory data, improve again
The operating efficiency of internal storage data.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, can also pass through
Other modes are realized.Device embodiment described above is only schematical, for example, flow chart and block diagram in accompanying drawing
Show the device of multiple embodiments according to the present invention, method and computer program product architectural framework in the cards,
Function and operation.At this point, each square frame in flow chart or block diagram can represent the one of a module, program segment or code
Part, a part for the module, program segment or code include one or more and are used to realize holding for defined logic function
Row instruction.It should also be noted that at some as in the implementation replaced, the function that is marked in square frame can also with different from
The order marked in accompanying drawing occurs.For example, two continuous square frames can essentially perform substantially in parallel, they are sometimes
It can perform in the opposite order, this is depending on involved function.It is it is also noted that every in block diagram and/or flow chart
The combination of individual square frame and block diagram and/or the square frame in flow chart, function or the special base of action as defined in performing can be used
Realize, or can be realized with the combination of specialized hardware and computer instruction in the system of hardware.
In addition, each functional module in each embodiment of the present invention can integrate to form an independent portion
Point or modules individualism, can also two or more modules be integrated to form an independent part.
If the function is realized in the form of software function module and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of internal storage data operating method, it is characterised in that methods described includes：
The database file of memory database is established, and the connection established between the memory database and application program；
By the database file and the data base tool class wrapper that pre-establishes into class libraries；
The first operation requests are responded, load the class libraries in the application, storing this using the database file applies journey
The internal storage data of sequence；
Respond the second operation requests, call the data base tool class, in the database file internal storage data perform with
Operated corresponding to second operation requests.
2. according to the method for claim 1, it is characterised in that the company established between the memory database and application program
The step of connecing, including：
Register the driver for establishing database connection；
Load the driver, and the company established based on the driver between the memory database and application program
Connect.
3. according to the method for claim 2, it is characterised in that the memory database is SQLite databases.
4. according to the method for claim 3, it is characterised in that the driver is org.sqlite.JDBC.
5. according to the method for claim 3, it is characterised in that the internal memory database file by cmd instruct establish or
Established by SQLite visualized managements instrument.
6. according to the method described in any one of Claims 1 to 5, it is characterised in that the data base tool class increases including data
Instruction, data is added to delete instruction, data rewriting instruction and data query instruction.
7. a kind of internal storage data operation device, it is characterised in that described device includes：
Establish module, for establishing the database file of memory database, and establish the memory database and application program it
Between connection；
Package module, for by the database file and the data base tool class wrapper that pre-establishes into class libraries；
First operation module, for responding the first operation requests, the class libraries is loaded in the application, use the internal memory number
According to the internal storage data of application program described in library storage；
Second operation module, for responding the second operation requests, the data base tool class is called, in the database file
Internal storage data perform it is corresponding with second operation requests operate.
8. device according to claim 7, it is characterised in that it is described establish module establish the database file with it is described
The mode of connection between memory database, including：
Register the driver for establishing database connection；
Load the driver, and the company established based on the driver between the memory database and application program
Connect.
9. device according to claim 8, it is characterised in that the memory database is SQLite databases.
10. device according to claim 9, it is characterised in that the driver is org.sqlite.JDBC.
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| CN201710621317.0A CN107480210B (en) | 2017-07-27 | 2017-07-27 | Memory data operation method and device |
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| CN201710621317.0A CN107480210B (en) | 2017-07-27 | 2017-07-27 | Memory data operation method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111324910A (en) * | 2020-03-20 | 2020-06-23 | 山东大学 | Method for realizing memory database by TrustZone technology |
| WO2021073510A1 (en) * | 2019-10-15 | 2021-04-22 | 深圳前海微众银行股份有限公司 | Statistical method and device for database |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021073510A1 (en) * | 2019-10-15 | 2021-04-22 | 深圳前海微众银行股份有限公司 | Statistical method and device for database |
| CN111324910A (en) * | 2020-03-20 | 2020-06-23 | 山东大学 | Method for realizing memory database by TrustZone technology |
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| CN107480210B (en) | 2020-07-14 |
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