CN103942281B - The method and device that a kind of object to persistent storage is operated - Google Patents
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- 230000002085 persistent effect Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title abstract description 20
- 230000000977 initiatory effect Effects 0.000 claims abstract description 13
- 238000011017 operating method Methods 0.000 claims abstract 5
- 238000013507 mapping Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000012217 deletion Methods 0.000 claims description 4
- 230000037430 deletion Effects 0.000 claims description 4
- 230000006870 function Effects 0.000 description 51
- 238000011161 development Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- G—PHYSICS
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- 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
- G06F16/21—Design, administration or maintenance of databases
- G06F16/211—Schema design and 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
- G06F16/28—Databases characterised by their database models, e.g. relational or object models
- G06F16/289—Object oriented databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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Abstract
Operating method and device are carried out the invention discloses a kind of object to persistent storage, this method includes：Generation includes the first common interface of handling function, and the object after first common interface is instantiated by each class in database is shared；Receive the handling function by calling first common interface, the first operation requests to the object after target class instantiation of initiation；Set up the connection with the database；Object map after the target class is instantiated is the document in the corresponding set of the database purchase, and the operation corresponding with the handling function in first common interface is performed to the document.The technical scheme that the present invention is provided can reduce size of code, improve exploitation and the validity safeguarded.
Description
Technical field
Operated the present embodiments relate to field of computer technology, more particularly to a kind of object to persistent storage
Method and device.
Background technology
The development approach of object-oriented is the main flow development approach in current enterprise-level application development environment, MongoDB numbers
It is with document in enterprise-level application environment according to storehouse（Set）Form forever deposits the main flow storage system of data.Object and number of files
According to two kinds of forms of expression for being Business Entity, Business Entity shows as object in internal memory, number of files is shown as in database
According to, therefore need to use a kind of middleware, realize program object to the mapping of MongoDB database datas.
In existing technology, Morphia is used as a kind of ORM of open source code（Object Relation
Mapping, Object Relation Mapping）Framework, mainly realizes JAVA object to the mapping of MongoDB database datas, so as to
To allow JAVA programmers very easily to manipulate MongoDB databases using the programming idea of object.
But, there is following defect in the ORM frameworks of existing MongoDB databases：It is directed in MongoDB databases
Each set（collection）, ORM frameworks all generate a set of DAO, Service, are the corresponding object of each set
The one group of interface operation such as increased, deleted, changed, looked into the object is realized, size of code is big, exploitation and the difficulty safeguarded are higher.
The content of the invention
The present invention provides the method and device that a kind of object to persistent storage is operated, to realize reduction code
Amount, improves exploitation and the validity safeguarded.
In a first aspect, the embodiments of the invention provide a kind of method that object to persistent storage is operated, the party
Method includes：
Generation includes the first common interface of handling function, and first common interface is each class example in database
Object after change is shared；
Receive the handling function by calling first common interface, the object after being instantiated to target class of initiation
First operation requests；
Set up the connection with the database；
Object map after the target class is instantiated is the document in the corresponding set of the database purchase, to institute
State document and perform the operation corresponding with the handling function in first common interface.
Second aspect, the embodiment of the present invention additionally provides the device that a kind of object to persistent storage is operated, should
Device includes：
Common interface generation unit, includes the first common interface of handling function for generating, and described first public connects
Mouth is shared by the object after each class instantiation in database；
Operation requests receiving unit, for receiving the handling function by calling first common interface, pair of initiation
First operation requests of the object after target class instantiation；
Database connection unit, for setting up the connection with the database；
Database manipulation unit, for by the target class instantiate after object map be the database purchase phase
Document in should gathering, the operation corresponding with the handling function in first common interface is performed to the document.
The embodiment of the present invention is connect by generating one group for shared public of the object after each class instantiation in database
Mouthful, to realize that performing associative operation to database calls, rather than realize that one group is carried out to the set for each set correspondence
The interface of operation such as increase, delete, changing, looking into, reducing size of code, improving exploitation and the validity safeguarded.
Brief description of the drawings
Fig. 1 is that the flow for the method that a kind of object to persistent storage that the embodiment of the present invention one is provided is operated is shown
It is intended to；
Fig. 2 is a kind of network architecture that the method that the embodiment of the present invention one is provided is applicable；
Fig. 3 is that the flow for the method that a kind of object to persistent storage that the embodiment of the present invention two is provided is operated is shown
It is intended to；
Fig. 4 is that the structure for the device that a kind of object to persistent storage that the embodiment of the present invention three is provided is operated is shown
It is intended to.
Embodiment
The present invention 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 the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
Fig. 1 is that the flow for the method that a kind of object to persistent storage that the embodiment of the present invention one is provided is operated is shown
It is intended to.The present embodiment is applicable in the network architecture that is made up of service development platform and database platform, and this method can be by
The device operated to the object of persistent storage is performed, and the device can be purchased on service development platform, also can be only
Stand on database platform and service development platform and exist, can be communicated to connect with database platform and service development platform.Fig. 2
It is a kind of network architecture that the method for the offer of the embodiment of the present invention one is applicable.Referring to Fig. 2, the network architecture includes：Using clothes
Device 202 and MongoDB databases 203 that business device 201, the object to persistent storage are operated.Device 202 receives application
The operation requests that server 201 is initiated, are handled the request, and MongoDB databases 203 are performed according to result
Corresponding operating.
Referring to Fig. 1, this method specifically includes following steps：
110th, generation includes the first common interface of handling function, and first common interface is each class in database
Object after instantiation is shared；
120th, the handling function by calling first common interface is received, pair after being instantiated to target class of initiation
The first operation requests of elephant；
130th, the connection with database is set up；
140th, the object map after target class is instantiated is the document in the corresponding set of database purchase, to the text
Shelves perform the operation corresponding with the handling function in the first common interface.
In a specific embodiment of the present embodiment, it can be generated according to template mechanism and include the of handling function
One common interface.Wherein, template mechanism is a kind of general solution provided for same class problem, is code reuse
A kind of instrument of mechanism, can be by by type parameterization, to realize real code reusability.
It is that prior art is realized according to template mechanism with each class phase of in database under this embodiment
Corresponding each interface, being converted into can be by a shared interface of the object after each class instantiation in database（First is public
Common interface）.The interface contains various handling functions, and the name definition of each class in database is a ginseng by handling function
Number, handling function can enter according to the title of each defined class and/or these parameters of the unique mark of its corresponding object
One step realizes the operation to respective class.In the present embodiment, handling function may include insertion operation function, deletion action function,
Update handling function and/or inquiry operation function.It should be appreciated by those skilled in the art that can also be based on the first common interface
Some individual character interfaces are voluntarily extended with the operation of special object in database；Handling function may also include batch insertion behaviour
Make function, condition query handling function etc..
Below by one section of specific first common interface realize code exemplified by, make further solution to the first common interface
Release.
public class MongoDaoImpl<T extends Object>implements IMongoDao<T>//
State the first common interface
Insertion operation in the common interface of public void save (T entity) throws Exception//first
In function, its parameter：Parameter T is the template type of each class in database, and argument entity is the object instantiated to T
{
if(entity==null){throw new Exception("entity can not be null!");}
ds=MongoDatasource.getInstance(getDatasource()).getDatastore
(entity.getCla
ss());
ds.save(entity);
}
public T get(Class<T>Clazz, Object id) in the common interface of throws Exception//first
Search operation function, in its parameter：Parameter T is the template type of each class in database, and argument clazz is to T examples
The object of change, is object clazz unique mark with the argument id corresponding to parameter Object this data type；It returns to class
Type is T
{
if(id==null){throw new Exception("id can not be null!");}
ds=MongoDatasource.getInstance(getDatasource()).getDatastore(clazz);
if(id instanceof String){return
ds.createQuery(clazz).field(Mapper.ID_KEY).equal((String)id).get();}
else if(id instanceofObjectId){return
ds.createQuery(clazz).field(Mapper.ID_KEY).equal((ObjectId)id).get
();}
return null;
}
}
After the first common interface is generated, when receiving service development platform by calling the operation of the first common interface
Function, initiation to target class instantiate after object the first operation requests when, can be first：Obtain the address connection of database
Information, the connection with database platform is set up according to the information；Then：Object map after target class is instantiated is database
Document in the corresponding set of storage, is operated by packaged being given birth to the source that the set in database is directly operated
Script, the operation corresponding with the handling function in the first common interface is performed to the document.
The technical scheme that the present embodiment is proposed, is shared by generating one group by the object after all kinds of instantiations in database
Common interface, to realize that performing associative operation to database calls, rather than one group is realized to this for each set correspondence
Set such as is increased, deleted, being changed, being looked at the interface of operation, reduces size of code, improves the validity of exploitation and maintenance.
Fig. 3 is that the flow for the method that a kind of object to persistent storage that the embodiment of the present invention two is provided is operated is shown
It is intended to, the present embodiment further increases and target class and number are set up by way of note on the basis of above-described embodiment one
According in storehouse gather between mapping relations the step of, with solve the problems of mapping relations are realized by configuration file, together
When pair set up process with the connection of database and make further optimization, to improve the service efficiency to database.
Referring to Fig. 3, this method specifically includes following steps：
310th, the mapping relations between set and each class in database are set up by way of note；
320th, generation includes the first common interface of handling function, and first common interface is each class in database
Object after instantiation is shared；
330th, the handling function by calling first common interface is received, pair after being instantiated to target class of initiation
The first operation requests of elephant；
340th, by parsing connection profile, determine at least one data source where database and its with each data source
On the database connection configuration information；
350th, by with the unique corresponding connection pool of each data source, according to connection configuration information set up with each data source
The connection of the database；
360th, according to the mapping relations of foundation, the object map after target class is instantiated is the respective episode of database purchase
Document in conjunction；
370th, the operation corresponding with the handling function in the first common interface is performed to the document.
In the present embodiment, number can be set up by way of note based on each class file created on service platform
According to the mapping relations in storehouse between set and each class, rather than independent Map Profile is used, contribute to enhancing program
Cohesion, and avoid because ceaselessly switching the inconvenience brought between program file and Map Profile, improve exploitation
Efficiency.
Below with one section of JAVA code, note is further explained.For example, the class LogObject added with note
File is：
@Entity (value=" LO ", noClassnameStored=true) // explain：The corresponding collection of class LogObject
Close entitled LO
Public class LogObject implements Serializable//statement class LogObject
{
@Id//note：Unique marks of the class LogObject attribute id directly as set
private ObjectId id;// definition class LogObject attribute id
@Property (value=" content ") // explain：Class LogObject attribute logContent correspondences are gathered
Field content in LO
private String logContent;// definition class LogObject attribute logContent
@Property (value=" time ") // explain：In class LogObject attribute logTime correspondence set LO
Field time
private String logTime;// definition class LogObject attribute logTime
}
In the present embodiment, the configuration mode of database includes single-point, principal and subordinate or cluster configuration mode.Database can belong to
In the object after different data source, i.e., each class instantiation that need to persistently store while the data being stored in different data sources
In storehouse, the database being for example stored in simultaneously on the database and log server of service server.Connection profile is recorded
Each data source where database and its connection configuration information with the database in each data source（Such as database
Routing address）, the title of the database in each data source, document storage default collection title, picture are also can record certainly to be deposited
Store up default collection title, file storage default collection title and/or file and upload the other informations such as supported file type.
By parsing configuration file, it is determined that each data source where finishing database and its being configured with the connection of database
After information, can by with the unique corresponding connection pool of each data source, according to connection configuration information set up with each data source
The connection of the database.So, for different operation requests, as long as the request is the data in the same data source of correspondence
Storehouse, just using a connection pool, the service efficiency to database can be greatly improved.
More than on the basis of each embodiment, the method operated to the object of persistent storage can also include：
Generation includes the second common interface of handling function, and the second common interface is common by each file object in database
With；
The handling function by calling the second common interface is received, the second operation to file destination object of initiation please
Ask；
By the corresponding document that file destination object map is database purchase, in this document execution and the second common interface
The corresponding operation of handling function.
Wherein, the handling function in the second common interface includes uploading documentation function, delete documentation function and/or obtaining text
Part function.
More than on the basis of each embodiment, the database can be MongoDB databases, and the object can be JAVA
Object.
Fig. 4 is that the structure for the device that a kind of object to persistent storage that the embodiment of the present invention three is provided is operated is shown
It is intended to, the concrete structure of the device is as follows：
Common interface generation unit 410, the first common interface of handling function is included for generating, described first is public
Interface is shared by the object after each class instantiation in database；
Operation requests receiving unit 420, for receiving the handling function by calling first common interface, initiation
First operation requests of the object after being instantiated to target class；
Database connection unit 430, for setting up the connection with the database；
Database manipulation unit 440, for being the database purchase by the object map after target class instantiation
Corresponding set in document, the operation corresponding with the handling function in first common interface is performed to the document.
Further, the common interface generation unit 410, specifically for including operation letter according to the generation of template mechanism
The first several common interfaces；
Wherein, each class name definition is a parameter by the handling function；The handling function includes insertion operation
Function, deletion action function, renewal handling function and/or inquiry operation function.
Further, described device also sets up unit 400 including mapping, for being incited somebody to action in the database manipulation unit 440
Before object map after target class instantiation is the document in the corresponding set of the database purchase, pass through note
Mode sets up the mapping relations between set and each class in the database.
Further, the database connection unit 430, specifically for：
By parsing connection profile, determine at least one data source where the database and its with each data source
On the database connection configuration information；
By with the unique corresponding connection pool of each data source, according to the connection configuration information set up with each data source
The connection of the database；
Wherein, the configuration mode of the database includes single-point, principal and subordinate or cluster configuration mode.
Further, described device also includes file operating unit（It is not shown）, it is used for：
Generation includes the second common interface of handling function, and second common interface is each file pair in database
As sharing；
Receive the handling function by calling second common interface, the second operation to file destination object of initiation
Request；
By the file destination object map be the database purchase corresponding document, to the file perform with it is described
The corresponding operation of handling function in second common interface；
Wherein, the handling function in second common interface includes uploading documentation function, deletes documentation function and/or obtain
Take documentation function.
In the present embodiment, nginx browsers can be also in said device installed, directly opened by using the browser
Or picture or file in downloading data storehouse.
The said goods can perform the method that any embodiment of the present invention is provided, and possess the corresponding functional module of execution method
And beneficial effect.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art it is various it is obvious change,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is carried out by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (8)
1. a kind of object to persistent storage carries out operating method, it is characterised in that including：
Generation includes the first common interface of handling function, after first common interface is each class instantiation in database
Object share；
Receive the handling function by calling first common interface, first of the object after being instantiated to target class of initiation
Operation requests；
Set up the connection with the database；
Object map after the target class is instantiated is the document in the corresponding set of the database purchase, to the text
Shelves perform the operation corresponding with the handling function in first common interface；
Generation includes the second common interface of handling function, and second common interface is each file object institute in database
Share；
The handling function by calling second common interface is received, the second operation to file destination object of initiation please
Ask；
By the corresponding document that the file destination object map is the database purchase, the file is performed and described second
The corresponding operation of handling function in common interface；
Wherein, the handling function in second common interface includes uploading documentation function, delete documentation function and/or obtaining text
Part function.
2. the object according to claim 1 to persistent storage carries out operating method, it is characterised in that the generation bag
The first common interface containing handling function, including：
The first common interface for including handling function is generated according to template mechanism；
Wherein, each class name definition is a parameter by the handling function；The handling function include insertion operation function,
Deletion action function, renewal handling function and/or inquiry operation function.
3. the object according to claim 1 to persistent storage carries out operating method, it is characterised in that incited somebody to action described
Before object map after target class instantiation is the document in the corresponding set of the database purchase, in addition to：It is logical
Cross the mode explained and set up in the database mapping relations gathered between each class.
4. the object according to claim 1 to persistent storage carries out operating method, it is characterised in that the foundation with
The connection of the database, including：
By parsing connection profile, determine at least one data source where the database and its with each data source
The connection configuration information of the database；
By with the unique corresponding connection pool of each data source, according to the connection configuration information set up with each data source described in
The connection of database；
Wherein, the configuration mode of the database includes single-point, principal and subordinate or cluster configuration mode.
5. a kind of object to persistent storage carries out operation device, it is characterised in that including：
Common interface generation unit, the first common interface of handling function is included for generating, and first common interface is
Object after the instantiation of the class of each in database is shared；
Operation requests receiving unit, for receiving the handling function by calling first common interface, initiation to target
First operation requests of the object after class instantiation；
Database connection unit, for setting up the connection with the database；
Database manipulation unit, for by the target class instantiate after object map be the database purchase respective episode
Document in conjunction, the operation corresponding with the handling function in first common interface is performed to the document；
File operating unit, is used for：
Generation includes the second common interface of handling function, and second common interface is each file object institute in database
Share；
The handling function by calling second common interface is received, the second operation to file destination object of initiation please
Ask；
By the corresponding document that the file destination object map is the database purchase, the file is performed and described second
The corresponding operation of handling function in common interface；
Wherein, the handling function in second common interface includes uploading documentation function, delete documentation function and/or obtaining text
Part function.
6. the object according to claim 5 to persistent storage carries out operation device, it is characterised in that described public to connect
Mouth generation unit, the first common interface of handling function is included specifically for being generated according to template mechanism；
Wherein, each class name definition is a parameter by the handling function；The handling function include insertion operation function,
Deletion action function, renewal handling function and/or inquiry operation function.
7. the object according to claim 5 to persistent storage carries out operation device, it is characterised in that also including mapping
Unit is set up, is the data stock for the object map after the database manipulation unit instantiates the target class
Before document in the corresponding set of storage, the mapping between set and each class in the database is set up by way of note
Relation.
8. the object according to claim 5 to persistent storage carries out operation device, it is characterised in that the database
Connection unit, specifically for：
By parsing connection profile, determine at least one data source where the database and its with each data source
The connection configuration information of the database；
By with the unique corresponding connection pool of each data source, according to the connection configuration information set up with each data source described in
The connection of database；
Wherein, the configuration mode of the database includes single-point, principal and subordinate or cluster configuration mode.
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| CN110717074B (en) * | 2019-09-26 | 2023-04-07 | 上海依图网络科技有限公司 | Object persistence methods, apparatus, media and systems |
| CN113064704A (en) * | 2021-03-18 | 2021-07-02 | 北京沃东天骏信息技术有限公司 | Task processing method and device, electronic equipment and computer readable medium |
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