CN107967328A - Solving Hessian causes the incompatible methods of hibernate - Google Patents
Solving Hessian causes the incompatible methods of hibernate Download PDFInfo
- Publication number
- CN107967328A CN107967328A CN201711194169.5A CN201711194169A CN107967328A CN 107967328 A CN107967328 A CN 107967328A CN 201711194169 A CN201711194169 A CN 201711194169A CN 107967328 A CN107967328 A CN 107967328A
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- Prior art keywords
- hessian
- hibernate
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- causes
- endless loop
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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
- G06F16/2453—Query optimisation
-
- 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
- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
- G06F16/2471—Distributed queries
Abstract
The invention discloses a kind of solution Hessian to cause the incompatible methods of hibernate, including：One object is passed to and is filtered；Judge whether the object in the step 1 is conventional object, in the case where the object is conventional object, then without traversal；Judge whether the object belongs to collection object again, if collection object, then its aggregates content is traveled through out, then recurrence again；, it is necessary to determine whether endless loop when recurrence；Specifically inside filtering class, judging whether it is Entity.class, if it does, just needing to replace the set element of the inside；The content of set the inside is replaced, after content is replaced, hessian would not report an error.When the present invention solves Hessian serializings, session caused more than 7 to@OneToMany correspondences in hibernate closes the problem of abnormal, and is easy to practical, and performance is stablized.
Description
Technical field
The present invention relates to distributed cloud computing platform technical field, and in particular to realizes distribution side using DUBBO frames
The a kind of of face causes the incompatible methods of hibernate for solving Hessian.
Background technology
Hessian is the remoting onhttp instruments of a lightweight, and the work(of RMI is provided using simple method
Energy.Compared to WebService, Hessian is simpler, quick.Using binary system RPC agreements, because using binary system
Agreement, so it is well suited for sending binary data.
Hibernate is the Object Relation Mapping frame of an open source code, it has carried out JDBC very lightweight
Object encapsulation, POJO and database table are established mapping relations by it, are a full automatic orm frames, and hibernate can be with
Automatically generate SQL statement, automated execution so that java applet person arbitrary can manipulate number using object Program Thought
According to storehouse.Hibernate can be applied in any occasion using JDBC, can both be used in the client-side program of Java, and also might be used
To be used in the Web of Servlet/JSP applications, most revolution meaning, Hibernate can be in the J2EE of application EJB
Substitute CMP in framework, complete the important task of data persistence.
The content of the invention
The present invention overcomes the deficiencies in the prior art, there is provided a kind of solution Hessian causes the incompatible sides of hibernate
Method, when being serialized for solving Hessian, to@OneToMany correspondences in hibernate more than caused by 7
The technical problem of session exceptions.
In view of the above problem of the prior art, disclosed one side, the present invention use following technology according to the present invention
Scheme：
A kind of solution Hessian causes the incompatible methods of hibernate, including：
Step 1：One object is passed to and is filtered；
Step 2：Judge whether the object in the step 1 is conventional object, in the feelings that the object is conventional object
Under condition, then without traversal；
Step 3：Judge whether the object belongs to collection object again, if collection object, then its aggregates content
Traversal comes out, then recurrence again；
Step 4：, it is necessary to determine whether endless loop when recurrence, if endless loop and endless loop exceed certain time
Number, then circulation failure；
Step 5：Specifically inside filtering class, judging whether it is Entity.class, if it does, just needing to replace
The set element of the inside；
Step 6：The content of set the inside is replaced, after content is replaced, hessian would not report an error.
In order to which the present invention is better achieved, further technical solution is：
An embodiment according to the present invention, in the case that the object in the step 2 is String, Integer, then
It need not travel through.
Another according to the present invention embodiment, in the step 4, in the case where endless loop number is more than 9 times, then
Circulation failure.
Compared with prior art, one of beneficial effects of the present invention are：
A kind of solution Hessian of the present invention causes the incompatible methods of hibernate, solves Hessian serializings
When, session caused more than 7 to@OneToMany correspondences in hibernate closes the problem of abnormal；The present invention is suitable
It is using the place of hessian serializings in distributed environment, suitable for dubbo clusters with scope；Developer is facilitated, easily
In practicality, performance is stablized.
Brief description of the drawings
, below will be to embodiment for clearer explanation present specification embodiment or technical solution of the prior art
Or attached drawing is briefly described needed in the description of the prior art, it should be apparent that, drawings in the following description are only
It is the reference to some embodiments in present specification, for those skilled in the art, what is do not made the creative labor
In the case of, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the FB(flow block) according to one embodiment of the invention.
Embodiment
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.
As shown in Figure 1, Fig. 1 is the FB(flow block) according to one embodiment of the invention, one kind, which solves Hessian, to be caused
Method incompatible hibernate, is when Hessian is serialized ,@OneToMany correspondences in hibernate is exceeded
7 caused session close the solution proposed extremely.Such as in some entity object@Entity, if explaining@
The relation of OneToMany is more than 7.Part so more than 7, Hessian serializings will carry out paging query to it.But
When being second of request, the session of hibernate has been switched off, so compatibling problem occurs.It is compatible for this
The hibernate proxy class realized is replaced with common collection class by problem, the present invention.Its specific step includes：
Step 1：The method that one object is passed to filtering；
Step 2：It is conventional object to judge this method.For example String Integer these these classes are just not required to
To travel through；
Step 3：Judge whether to belong to collection object again, if collection object, then need its aggregates content time
Go through out, then recurrence again；
Step 4：, it is necessary to determine whether endless loop when recurrence, if running into endless loop more than 9 times, then circulation
Failure；
Step 5：Specifically inside filtering class, judging whether it is Entity.class, if it does, with regard to needing to replace
Change the set element of the inside.；
Step 6：Replace the content of set the inside.After content is replaced, hessian would not report an error.
For to sum up, a kind of solution Hessian of the invention causes the incompatible methods of hibernate, solves
When Hessian is serialized, session caused more than 7 to@OneToMany correspondences in hibernate closes abnormal
Problem；The scope of application of the present invention is using the place of hessian serializings in distributed environment, suitable for dubbo clusters；It is convenient
Developer, is easy to practical, performance is stablized.
" one embodiment " for being spoken of in the present specification, " another embodiment ", " embodiment ", etc., refer to tying
Specific features, structure or the feature for closing embodiment description are included at least one embodiment of the application generality description
In.It is not necessarily to refer to same embodiment that statement of the same race, which occur, in multiple places in the description.Appoint furthermore, it is understood that combining
When one embodiment describes a specific features, structure or feature, what is advocated is this to realize with reference to other embodiment
Feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modifications and embodiment, these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can be to master in the range of disclosure and claim
The building block and/or layout for inscribing composite configuration carry out a variety of variations and modifications.Except what is carried out to building block and/or layout
Outside variations and modifications, to those skilled in the art, other purposes also will be apparent.
Claims (3)
1. a kind of solution Hessian causes the incompatible methods of hibernate, it is characterised in that including：
Step 1：One object is passed to and is filtered；
Step 2：Judge whether the object in the step 1 is conventional object, in the case where the object is conventional object,
Then without traversal；
Step 3：Judge whether the object belongs to collection object again, if collection object, then its aggregates content is traveled through
Out, then recurrence again；
Step 4：, it is necessary to determine whether endless loop when recurrence, if endless loop and endless loop exceed certain number, then
Circulation failure；
Step 5：Specifically inside filtering class, judging whether it is Entity.class, if it does, just needing to replace the inside
Set element；
Step 6：The content of set the inside is replaced, after content is replaced, hessian would not report an error.
2. solution Hessian according to claim 1 causes the incompatible methods of hibernate, it is characterised in that described
In the case that object in step 2 is String, Integer, then it need not travel through.
3. solution Hessian according to claim 1 causes the incompatible methods of hibernate, it is characterised in that described
In step 4, in the case where endless loop number is more than 9 times, then circulation failure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194169.5A CN107967328B (en) | 2017-11-24 | 2017-11-24 | Method for solving hibernate incompatibility caused by Hessian |
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| CN201711194169.5A CN107967328B (en) | 2017-11-24 | 2017-11-24 | Method for solving hibernate incompatibility caused by Hessian |
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| CN107967328A true CN107967328A (en) | 2018-04-27 |
| CN107967328B CN107967328B (en) | 2021-04-02 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096584A (en) * | 2009-12-15 | 2011-06-15 | 阿里巴巴集团控股有限公司 | Method, equipment and system for modifying time stamp on page script |
| US20160212159A1 (en) * | 2013-09-12 | 2016-07-21 | Virsec Systems, Inc. | Automated runtime detection of malware |
| CN106933564A (en) * | 2015-12-31 | 2017-07-07 | 远光软件股份有限公司 | The querying method that ECP platform datas are accessed is realized by Fitler models and note extension |
-
2017
- 2017-11-24 CN CN201711194169.5A patent/CN107967328B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096584A (en) * | 2009-12-15 | 2011-06-15 | 阿里巴巴集团控股有限公司 | Method, equipment and system for modifying time stamp on page script |
| US20160212159A1 (en) * | 2013-09-12 | 2016-07-21 | Virsec Systems, Inc. | Automated runtime detection of malware |
| CN106933564A (en) * | 2015-12-31 | 2017-07-07 | 远光软件股份有限公司 | The querying method that ECP platform datas are accessed is realized by Fitler models and note extension |
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| CN107967328B (en) | 2021-04-02 |
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