CN103186564A - Data object processing method and system - Google Patents
Data object processing method and system Download PDFInfo
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- CN103186564A CN103186564A CN2011104487605A CN201110448760A CN103186564A CN 103186564 A CN103186564 A CN 103186564A CN 2011104487605 A CN2011104487605 A CN 2011104487605A CN 201110448760 A CN201110448760 A CN 201110448760A CN 103186564 A CN103186564 A CN 103186564A
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Abstract
The invention relates to a data object processing method and a data object processing system. The method comprises the following steps of: creating a transaction object associated with a data object and an intermediate object, and associating the intermediate object and the transaction object; transferring the operation on the data object to the intermediate object, and recording the change data generated by performing the operation on the intermediate object; and calling the committing operation of the transaction object, and assigning the change data to the data object. By the data object processing method and the data object processing system, the operation of the data object is transferred to the intermediate object, and then the recorded change data is updated to the data object by calling the committing operation of the transaction object, so that only the change data of the data object is updated, the data volume is reduced, the operation is simple, the operation on the data object is buffered by the intermediate object, and the atomicity, the consistency, the isolation and the continuity of the transaction operation performed on the data object are ensured.
Description
[technical field]
The present invention relates to data processing field, particularly a kind of disposal route of data object and system.
[background technology]
Affairs refer to the set of one group of instruction, if wherein failure is carried out in any instruction, all operations all can return back to affairs and begin state before.Affairs are base units of concurrent control and recovery.Affairs have four attributes: atomicity, consistance, isolation and continuation.Atomicity (atomicity) refers to that affairs are indivisible work units, the instruction that comprises in the affairs and operation or all do, or do not do.Consistance (consistency) refers to that affairs must be to make database change to another coherency state from a coherency state.Wherein, consistance and atomicity are closely-related, also namely mean not have intermediateness.Isolation (isolation) refers to that the execution of affairs can not be disturbed by other affairs, namely the data of the operation of an affairs inside and use are isolated other concurrent affairs, can not interfere with each other between each affairs of concurrent execution, that is to say the data in the affairs internal modification, before the affairs normal termination, the outside is the change that is not aware of data.Persistence (durability) also claims permanent (permanence), refers to affairs in case submit to, and it just should be nonvolatil to the change of data in the database, and ensuing other operations or fault should not have any influence to it.
In order to realize the transaction operation of data object, traditional method of operating is that preservation-restoring method, modification-abandon method and exchange process are arranged.Wherein, preservation-restoring method refers to use extra variable to preserve the data of required protection, when generation is unusual, the data of these preservations is recovered again; Revise-method of abandoning refers to after the data object modification, if generation is then directly abandoned unusually; Exchange process refers to data object replication be gone out copy, and copy is carried out various operations when revising data object, during normal termination, with copy directly and the place-exchange of data object, then copy is abandoned unusually if take place.Yet, realizing in preceding two kinds of methods that transaction operation does not possess four attributes of affairs, exchange process need be safeguarded complicated data relationship, complicated operation.
[summary of the invention]
Based on this, be necessary to provide a kind of disposal route of data object simple to operate.
A kind of disposal route of data object may further comprise the steps:
The transaction object that is associated with data object and the medium object created, and related described medium object and described transaction object;
To arrive described medium object to the transition of operation of described data object, and record carries out the change data that described operation produces to described medium object;
Call the submit operation of described transaction object, give described data object with described change data.
Preferably, the step of described related medium object and described transaction object is: described medium object is registered in the described transaction object.
Preferably, also comprise step: obtain the read operation to described data object, directly read described data object.
Preferably, described will be to the transition of operation of described data object to described medium object, and record comprises the step that described medium object carries out the change data that described operation produces:
To transfer to described medium object to the write operation of described data object, and record carries out the change data that write operation produces to described medium object.
Preferably, also comprise step:
After giving described data object with described change data, destroy described medium object;
When to described medium object operation exception, then destroy described transaction object and the medium object related with described transaction object.
In addition, also be necessary to provide a kind of disposal route of data object simple to operate.
A kind of disposal system of data object comprises:
Make up module, be used for the transaction object that is associated with data object and the medium object of establishment, and related described medium object and described transaction object;
Processing module is used for and will arrives described medium object to the transition of operation of described data object, and record is carried out the change data that described operation produces to described medium object;
Update module for the submit operation that calls described transaction object, is given described data object with described change data.
Preferably, described structure module also is used for described medium object is registered to described transaction object.
Preferably, described processing module also is used for obtaining the read operation to described data object, directly reads described data object.
Preferably, described processing module also is used for and will transfers to described medium object to the write operation of described data object, and record carries out the change data that write operation produces to described medium object.
Preferably, also comprise the destruction module, described destruction module is used for destroying described medium object after giving described data object with described change data, and also be used for when to described medium object operation exception, then destroying described transaction object and reaching the medium object related with described transaction object.
The disposal route of above-mentioned data object and system, adopt and create transaction object and the medium object that is associated with data object, medium object is related with transaction object, to arrive medium object to the transition of operation of data object, and then call the submit operation of transaction object, with the record the change Data Update in data object, so, only will change data to the data object upgrades, reduced data volume, simple to operate, and by using medium object to cushion operation to the data object, guaranteed that the transaction operation that the data object carries out has been possessed atomicity, consistance, isolation and continuation.
[description of drawings]
Fig. 1 is the process flow diagram of the disposal route of data object among the embodiment;
Fig. 2 is the structural representation of the disposal system of data object among the embodiment;
Fig. 3 is the structural representation of the disposal system of data object among another embodiment.
[embodiment]
Disposal route and system to the data object is described in detail below in conjunction with specific embodiment and accompanying drawing, so that its purpose and technical scheme are clearer.
As shown in Figure 1, in one embodiment, a kind of disposal route of data object may further comprise the steps:
Step S10 creates the transaction object and the medium object that are associated with data object, and related medium object and transaction object.
In the present embodiment, data object can be the internal data in the internal memory.Affairs are the operation to the data object, obtain the transaction operation to the data object, namely create a transaction object (Transaction), and simultaneously, the data object (TransObject example) that is retrieved as action required is created related medium object (Modifier.Then, this medium object is related with this transaction object.Wherein, transaction object is used for the life cycle of control and management transaction, can preserve the interface reference of relevant medium object, and transaction object support nest relation each other.Medium object is identical with the external interface of data object, and data content is identical, and medium object is responsible for tackling and acting on behalf of all to the read-write operation of data object.In one embodiment, medium object is related with transaction object step is: medium object is registered in this transaction object.
Step S20 will arrive medium object to the transition of operation of data object, and record carries out the change data that this operation produces to middle object.
In the present embodiment, all operations to the data object can be transferred to the medium object related with this data object and operated, medium object cushions all operations, the change data that record produces because of operation.In addition, repeated execution of steps S20 is till all operations to the data object are all finished.
Further, in one embodiment, obtain the read operation to the data object, then directly read this data object.In addition, also can read medium object.
Further, in one embodiment, will transfer to this medium object to the write operation of data object, and record carries out the change data that write operation produces to this medium object.This write operation is to the retouching operation of data object, increases operation or deletion action etc.
Step S30 calls the submit operation of this transaction object, should change data and give data object.
In the present embodiment, call the submit operation of transaction object, namely transaction object calls application (doApply) operation successively with relevant medium object, and the change data that middle Object Operations is produced of record are composed data object to association.Call finish after, medium object is destroyed.
Further, in one embodiment, the disposal route of above-mentioned data object also comprises step: when to this medium object operation exception, then destroy this transaction object and the medium object related with this transaction object.When unusual to middle Object Operations, mistake namely appears, then destroy transaction object and related medium object thereof.
Please join shown in Figure 2ly, in one embodiment, a kind of disposal system of data object comprises making up module 10, processing module 20 and update module 30.
Make up module 10 and be used for creating transaction object and the medium object that is associated with data object, and this medium object is related with this transaction object.In the present embodiment, data object can be the internal data in the internal memory.Affairs are the operation to the data object, structure module 10 is obtained the transaction operation to the data object, namely create a transaction object (Transaction), simultaneously, the data object (TransObject example) that is retrieved as action required is created related medium object (Modifier).Then, this medium object is related with this transaction object.Wherein, transaction object is used for the life cycle of control and management transaction, can preserve the interface reference of relevant medium object, and transaction object support nest relation each other.Medium object is identical with the external interface of data object, and data content is identical, and medium object is responsible for tackling and acting on behalf of all to the read-write operation of data object.
In one embodiment, making up module 10 also is used for medium object is registered to this transaction object.
Further, in one embodiment, processing module 20 also is used for obtaining the read operation to the data object, then directly reads this data object.In addition, also can read medium object.
Further, in one embodiment, processing module 20 also is used for obtaining the write operation to the data object, this write operation is transferred to this medium object is carried out write operation, and record is to the change data of this medium object operation generation.This write operation is to the retouching operation of data object, increases operation or deletion action etc.
Further, in one embodiment, join shown in Figure 3ly, the disposal system of above-mentioned data object also comprises and destroys module 40.Destroying module 40 is used for destroying this medium object, and also for when to this medium object operation exception, then destroying this transaction object and reach the medium object related with this transaction object after should changing data and giving this data object.When unusual to middle Object Operations, mistake namely appears, then destroy transaction object and related medium object thereof.
The disposal route of above-mentioned data object and system can preserve one group of medium object in transaction object, realize that medium object revises the unified of data object, can support multistage subtransaction.
The disposal route of above-mentioned data object and system, adopt and create transaction object and the medium object that is associated with data object, and it is medium object is related with transaction object, to arrive medium object to the transition of operation of data object, and then call the submit operation of transaction object, with the record the change Data Update in the data object related with medium object, so, only will change data to the data object upgrades, reduced data volume, simple to operate, and by using medium object to cushion operation to the data object, guaranteed that the transaction operation that the data object carries out has been possessed atomicity, consistance, isolation and continuation.
In addition, adopt when unusual, return to state before the operation, guaranteed that further the transaction operation that the data object carries out has been possessed atomicity, consistance, isolation and continuation.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the disposal route of a data object may further comprise the steps:
The transaction object that is associated with data object and the medium object created, and related described medium object and described transaction object;
To arrive described medium object to the transition of operation of described data object, and record carries out the change data that described operation produces to described medium object;
Call the submit operation of described transaction object, give described data object with described change data.
2. the disposal route of data object according to claim 1 is characterized in that, the step of the described medium object of described association and described transaction object is: described medium object is registered in the described transaction object.
3. the disposal route of data object according to claim 1 is characterized in that, also comprises step: obtain the read operation to described data object, directly read described data object.
4. the disposal route of data object according to claim 1 is characterized in that, described will be to the transition of operation of described data object to described medium object, and record comprises the step that described medium object carries out the change data that described operation produces:
To transfer to described medium object the write operation of described data object, and record carries out the change data that write operation produces to described medium object.
5. the disposal route of data object according to claim 1 is characterized in that, also comprises step:
After giving described data object with described change data, destroy described medium object;
When to described medium object operation exception, then destroy described transaction object and the medium object related with described transaction object.
6. the disposal system of a data object is characterized in that, comprising:
Make up module, be used for the transaction object that is associated with data object and the medium object of establishment, and related described medium object and described transaction object;
Processing module is used for and will arrives described medium object to the transition of operation of described data object, and record is carried out the change data that described operation produces to described medium object;
Update module, the submit operation for calling described transaction object will record described change data and give described data object.
7. the disposal system of data object according to claim 6 is characterized in that, described structure module also is used for described medium object is registered to described transaction object.
8. the disposal system of data object according to claim 6 is characterized in that, described processing module also is used for obtaining the read operation to described data object, directly reads described data object.
9. the disposal system of data object according to claim 6, it is characterized in that, described processing module also is used for and will transfers to described medium object to the write operation of described data object, and record carries out the change data that write operation produces to described medium object.
10. the disposal system of data object according to claim 6, it is characterized in that, also comprise the destruction module, described destruction module is used for after giving described data object with described change data, destroy described medium object, and also be used for when to described medium object operation exception, then destroying described transaction object and reaching the medium object related with described transaction object.
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| CN1652111A (en) * | 2005-02-24 | 2005-08-10 | 中兴通讯股份有限公司 | Method for implementing realtime database routine operation |
| CN1858745A (en) * | 2006-04-05 | 2006-11-08 | 华为技术有限公司 | Processing method for realizing consistency of internal storage data and data bank data service |
| CN101563684A (en) * | 2005-08-08 | 2009-10-21 | 微软公司 | Unified storage security model |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004040399A2 (en) * | 2002-10-28 | 2004-05-13 | Jgr Acquisition, Inc. | Transparent ejb support and horizontal data partitioning |
| CN1652111A (en) * | 2005-02-24 | 2005-08-10 | 中兴通讯股份有限公司 | Method for implementing realtime database routine operation |
| CN101563684A (en) * | 2005-08-08 | 2009-10-21 | 微软公司 | Unified storage security model |
| CN1858745A (en) * | 2006-04-05 | 2006-11-08 | 华为技术有限公司 | Processing method for realizing consistency of internal storage data and data bank data service |
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