CN102521712B - A kind of process instance data processing method and device - Google Patents
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- 238000012544 monitoring process Methods 0.000 claims abstract description 22
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Abstract
The present invention relates to technical field of data processing, particularly a kind of process instance data processing method and device, described method comprises: receive workflow interfacing call operation, according to described interface interchange operation product process instance data; Described flow instance data preserved in the buffer, when user performs workflow engine operation, described workflow engine directly carries out alternately with data cached; Monitoring task is set, when described monitoring task is determined to meet the first trigger condition preset, the flow instance data syn-chronization in buffer memory is preserved in database.Owing to flow instance data being preserved in the buffer, when user performs workflow engine operation, workflow engine directly alternately with data cached carrying out, substantially increases the performance of workflow engine, reduces system response time.In addition, monitoring task is set, when meeting pre-conditioned, flow instance data syn-chronization in buffer memory is preserved in database, to keep the data syn-chronization between buffer memory and database.
Description
Technical field
The present invention relates to technical field of data processing, particularly relate to a kind of process instance data processing method and device.
Background technology
Along with the fast development of IT application in enterprises, BPM (Business Process Management, BPM) plays an important role in Process of Information.BPM is a kind of mode integrating to reach general management to enterprise's miscellaneous service link.Due to the importance of BPM product, the dependency degree of enterprise to BPM product is more and more higher, and meanwhile enterprise also has higher requirement to BPM product, and wherein the most outstanding is exactly the performance issue of BPM product.
The performance bottleneck of BPM product is mainly manifested in the frequent access aspect to flow process instance data.In the prior art, BPM product adopts workflow to perform the automatic flow of operation flow or to automatically perform usually.BPM generally comprises the processes such as flow definition, flow template generation, flow performing.Wherein, flow performing is mainly according to the definition product process example of flow template.And in prior art, the one action item submit operation of user, needs to do repeatedly renewal rewards theory to multiple objects of flow instance, and flow instance data are synchronously preserved in a database usually, cause following two problems:
One is because flow instance data often change, and its synchronous preservation can be brought very large system overhead to system in a database, thus system performance is reduced;
Two is that the flow instance data in direct accessing database can cause huge pressure to Database Systems due to a large amount of insertion of flow instance data, renewal rewards theory.And database generally leaves in disk, too much frequent access then can cause the problems such as system response time elongated, performance reduction.
Summary of the invention
By business diagnosis, it is unnecessary for finding that flow instance data syn-chronization is preserved, as long as be synchronized to when needed in database; In addition, because the data in database exist on disk, it is more direct not as the data in direct access cache, rapid to access its data, and can solve the inefficient problem of direct accessing database.
For solving the problems of the technologies described above, embodiments provide a kind of process instance data processing method and device, by by flow instance data preserve in the buffer and asynchronous persistence in database, improve performance of workflow engine, reduce system response time.
On the one hand, embodiments provide a kind of process instance data processing method, described method comprises:
Receive workflow interfacing call operation, according to described interface interchange operation product process instance data;
Described flow instance data preserved in the buffer, when user performs workflow engine operation, described workflow engine directly carries out alternately with data cached;
Monitoring task is set, when described monitoring task is determined to meet the first trigger condition preset, the flow instance data syn-chronization in buffer memory is preserved in database.
Preferably, below appearance during arbitrary situation, determine to meet the first trigger condition preset:
When the synchronization point preset arrives;
At the end of node instance;
At the end of flow instance.
Preferably, after reception workflow interfacing call operation, described method also comprises:
The command information of preset format is generated according to described interface interchange operation;
Preserve the corresponding relation that described command information and described command information and interface interchange operate.
Preferably, described method also comprises:
When generation systems is restarted or generation systems fault time, obtain described command information;
According to the corresponding relation that described command information and interface interchange operate, generate the interface interchange corresponding with described command information and operate;
The step of product process instance data is entered according to described interface interchange operation.
Preferably, before the described command information of acquisition, described method also comprises:
Judge whether to exist the flow instance data be not synchronized in database further, if existed, obtain described command information.
Preferably, described method also comprises:
When with described interface interchange operate corresponding flow instance data from buffer memory, be synchronized to database time, delete operate corresponding command information with described interface interchange.
On the other hand, the embodiment of the invention also discloses a kind of flow instance data processing equipment, described device comprises:
Flow engine module, for receiving workflow interfacing call operation, according to described interface interchange operation product process instance data; When user performs workflow engine operation, carry out data interaction with cache module;
Cache module, for preserving described flow instance data in the buffer;
Synchronization module, for arranging monitoring task, when described monitoring task is determined to meet the first trigger condition preset, preserves the flow instance data syn-chronization in buffer memory in database.
Preferably, described synchronization module is determined during arbitrary situation to meet the first trigger condition preset below occurring:
When the synchronization point preset arrives;
At the end of node instance;
At the end of flow instance.
Preferably, described device also comprises:
Modular converter, for generating the command information of preset format according to described interface interchange operation;
Instruction database, for preserving the corresponding relation that described command information and described command information and interface interchange operate.
Preferably, described modular converter also for when generation systems is restarted or generation systems fault time, from described instruction database, obtain described command information; According to the corresponding relation that described command information and interface interchange operate, generate the interface interchange corresponding with described command information and operate, enter flow engine module.
Preferably, described device also comprises:
Judge module, for judging whether to exist the flow instance data be not synchronized in database further, if existed, enters modular converter;
First delete cells, for when with described interface interchange operate corresponding flow instance data from buffer memory, be synchronized to database time, delete operate corresponding command information with described interface interchange.
The beneficial effect that the embodiment of the present invention can reach is: the method that the embodiment of the present invention provides, by receiving working interface call operation, corresponding flow instance data are generated according to interface interchange operation, and flow instance data are preserved in the buffer, when user performs workflow engine operation, described workflow engine directly carries out alternately with data cached.Monitoring task is set, when monitoring task is determined to meet the first trigger condition preset, the flow instance data syn-chronization in buffer memory is preserved in database.Owing to flow instance data being preserved in the buffer, when user performs workflow engine operation, workflow engine directly alternately with data cached carrying out, substantially increases the performance of workflow engine, reduces system response time.In addition, monitoring task being set, when meeting the first trigger condition preset, the flow instance data syn-chronization in buffer memory being preserved in database, to keep the data syn-chronization between buffer memory and database.
Again on the one hand, embodiment provided by the invention is after reception workflow interfacing call operation, interface interchange operation transformation is become command information, and preserve the corresponding relation that described command information and interface interchange operate, when occur unexpected restart or when machine time, described command information can be loaded into generate the operation of corresponding interface interchange, and executive's interface call operation, thus reach the result that recovery flow instance is data cached again, efficiently solve system surprisingly when the problem of the loss of data brought after machine.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is process instance data processing method first embodiment process flow diagram provided by the invention;
Fig. 2 is process instance data processing method second embodiment process flow diagram provided by the invention;
Fig. 3 is asynchronous persistence method schematic diagram provided by the invention;
Fig. 4 is flow instance data processing equipment first embodiment schematic diagram provided by the invention;
Fig. 5 is flow instance data processing equipment second embodiment schematic diagram provided by the invention.
Embodiment
Embodiments provide a kind of process instance data processing method and device, by by flow instance data preserve in the buffer and asynchronous persistence in database, improve performance of workflow engine, reduce system response time.
Technical scheme in the present invention is understood better in order to make those skilled in the art person, 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, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
See Fig. 1, be process instance data processing method first embodiment process flow diagram provided by the invention, described method comprises:
S101, receives workflow interfacing call operation, according to described interface interchange operation product process instance data.
Generally speaking, the implementation of flow process is mainly according to the definition product process example of flow template.In embodiments of the present invention, user calls workflow interfacing by user interface, at this moment, receives the workflow interfacing call operation of user, what parsing pre-set calls corresponding flow template with described workflow interfacing, according to flow template product process instance data.
Described flow instance data are preserved in the buffer by S102, and when user performs workflow engine operation, described workflow engine directly carries out alternately with data cached.
In prior art, in a database, database leaves in disk flow instance deposit data usually.Because flow instance data are class dynamic datas, need to carry out a large amount of, read-write operation frequently, directly can cause huge pressure to Database Systems by the flow instance data in disk access database.On the other hand, by the data in disk access database, access speed is also lower, causes system response time long, and performance reduces.And in embodiments of the present invention, flow instance data are deposited in the buffer, when user performs workflow engine operation, the data of workflow engine module directly and in buffer memory are carried out alternately.General, workflow engine operation can in order to perform, concrete flow process creates, work item is submitted to and flow process such as to reject at the logical operation.In embodiments of the present invention, due to deposit data in the buffer, therefore access more directly, rapidly, reduce system response time, and the inefficient problem of direct accessing database can be solved.
S103, arranges monitoring task, when described monitoring task is determined to meet the first trigger condition preset, is preserved by the flow instance data syn-chronization in buffer memory in database.
Concrete, the first trigger condition preset can comprise following several situation:
(1) when the synchronization point preset arrives
Periodic monitor task being set, when arriving the synchronization point preset, the flow instance data syn-chronization in buffer memory being preserved in database.Carrying out the synchronous moment can preset, as 24:00 point every day synchronously processes.Due to this be not synchronously carry out in real time, therefore, be also called asynchronous persistence.
(2) at the end of node instance
Mention above, the implementation of flow process is mainly according to the definition product process example of flow template.In a workflow execution process, generally can relate to multiple node.In the implementation of flow process, create current node instance according to the node defined in flow process target, context environmental etc., when after this node instance end of run, then create next node example.Citing is described, and such as, concerning the workflow of a business approval, relate to three links such as submitting business approval, business department leader signature, general manager's signature to, each link can be considered as a flow nodes.When completing a concrete link, corresponding flow nodes example terminates.Therefore, monitoring task can being set, for monitoring the node instance of work at present stream, when judging the example end of run of present node, the flow instance data syn-chronization in buffer memory being preserved in database.
(3) at the end of flow instance
Concrete, also can, according to concrete business scenario, select, at the end of flow instance, to carry out asynchronous persistence process, by the data syn-chronization in buffer memory in database.
Here, the database storing instance data can be relational database.During specific implementation, from buffer memory, travel through distance instance data, obtain and need to carry out synchronous data, the instance data in buffer memory is converted to SQL statement and issue relevant database and preserve.Deleting being synchronized to database from buffer memory to flow instance data, to save spatial cache, improving data access efficiency.
In the first embodiment provided by the invention, owing to flow instance data being preserved in the buffer, when performing workflow engine operation as user, workflow engine directly carries out alternately with data cached, substantially increase the performance of workflow engine, reduce system response time.On the other hand, only when needs, by flow instance data syn-chronization in database, to keep the data syn-chronization between buffer memory and database, reduce system overhead.
See Fig. 2, it is the process instance data processing method second embodiment process flow diagram that the embodiment of the present invention provides.
S201, receives workflow interfacing call operation.
The flow operations of user the most general for initiating new flow process and submitting work item to, when after the operation of user's enforcement engine, the interface interchange operation transformation of user is that instruction is preserved by workflow engine on the one hand, product process instance data on the one hand, preserved in the buffer, and with the data interaction in buffer memory, fast result is returned to user.
S202, enforcement engine operates, product process instance data.
Described flow instance data are preserved in the buffer by S203, and when user performs workflow engine operation, described workflow engine directly carries out alternately with data cached.
S204, generates the command information of preset format according to interface interchange operation.
In embodiments of the present invention, when user calls workflow interfacing, interface interchange operation transformation is become the command information of particular command form and preserves.
S205, the corresponding relation that information of holding instruction and command information and interface interchange operate.
Concrete, can arrange an instruction database and to hold instruction information, instruction database can be the database of relevant database or other types.Also can be held instruction information by file or other storage modes.In order to command information be resolved to again the interface interchange operation of user, command information generally comprises following content:
(1) action type: comprise start flow, the type such as job invocation, flow process are rejected.
(2) user is operated: the promoter of current process or job invocation person.Specifically can preserve the mark of user.
(3) running time: the time that current operation occurs.
(4) operand: specifically can preserve flow template ID, task ID or flow instance ID etc.
(5) object type: specifically can comprise flow template, flow instance, node instance, work item etc.
(6) command status: for showing the treatment state of present instruction, as pending, process, process exception.Concrete, can the bright treatment state of label table be used, such as, represent pending with " 0 ", represent that process completes with " 1 ", represent process exception etc. with " 2 ".
Specifically can be as shown in the table:
Table 1
Submit work item to for user below, the detailed process that interface interchange converts instruction to is as follows:
User profile is saved in server after logging in by user, supposes that user is called " Admin ".User enters the pending item list of task, select the work item (supposing that ID is for " 123456 ") that to be committed, click < handles > and enters the examination & approval page, after having filled in suggestions made after examination, click < and submit > button to; Generate work item object workItem according to the work item ID transmitted from foreground " 123456 ", obtain present system time " 2009-9-26 " simultaneously, and executive's interface operation workItem.complete (" Admin ", " 2011-9-26 ").Before completing " complete " operation, collect the various correlation parameters that current interface calls, form director data, as shown in table 2:
Table 2
| complete | Admin | 2011-9-26 | 123456 | 4 | 0 |
Wherein, above, data may be interpreted as: participant " Admin " has done once " complete " operation in " 2001-9-26 " day to work item " 123456 ", and instruction is in untreated state (0).
S206, arranges monitoring task, when described monitoring task is determined to meet the first trigger condition preset, is preserved by the flow instance data syn-chronization in buffer memory in database.
See Fig. 3, step S206 specifically can be realized by following steps:
S206A, travels through flow process instance data from buffer memory.
S206B, converts the instance data in buffer memory to SQL statement.
S206C, deletes command information corresponding for the flow instance data with current preservation.
During in order to prevent system reboot, again recovering the flow instance data in buffer memory, the command information corresponding with flow instance is deleted.
Synchronous flow instance data are deleted by S206D from buffer memory.
S207, when generation systems restart or generation systems fault time, judge whether to exist the flow instance data be not synchronized in database, if exist, enter step S208.If there is no, step S210 is entered.
Because the flow instance data in buffer memory are asynchronous being saved in database, so when system reboot is particularly when machine, the data in buffer memory also may not have Complete Synchronization in database.Therefore when after system jam or after restarting, re-start system initialization, the command information in traversal instruction database, judges whether to exist the command information that the flow instance data be not synchronized in database are corresponding.If existed, enter step S208, if there is no, enter step S210, perform workflow engine start-up operation.
S208, obtains the corresponding relation that described command information and command information and interface interchange operate.
If there are the flow instance data be not synchronized in database, according to the command information preserved in instruction database, obtain the corresponding relation that the command information corresponding with described flow instance data and command information and interface interchange operate.
S209, according to the corresponding relation that described command information and interface interchange operate, generates the interface interchange corresponding with described command information and operates.
The corresponding relation that described command information and command information and interface interchange operate is reduced into concrete interface interchange operate.Concrete, from instruction database, take out the instruction of state for " 0 " successively, i.e. unprocessed instructions, if get command information as shown in table 2.
Table 2
| complete | Admin | 2011-9-26 | 123456 | 4 | 0 |
Wherein, for " 4 ", object type shows that existing object is work item; Work item object " workItem is obtained according to work item ID " 123456 "; The action type obtaining work at present item is " complete " operation, performs workItem.complete (" Admin ", " 2011-9-26 ") operation, whole transfer process terminates.
S210, performs workflow engine start-up operation, enters step S202 according to interface interchange operation.
After command information being converted to corresponding interface interchange operation, perform workflow engine start-up operation, regenerate flow instance data.
In second embodiment of the invention, after reception workflow interfacing call operation, interface interchange operation transformation is become command information, and preserve the corresponding relation that described command information and interface interchange operate, when occur unexpected restart or when machine time, described command information can be loaded into and operate to generate corresponding interface interchange, and executive's interface call operation, thus reach the result that recovery flow instance is data cached again, efficiently solve system surprisingly when the problem of the loss of data brought after machine.
See Fig. 4, embodiment of the present invention flow instance data processing equipment first embodiment schematic diagram, described device comprises:
Flow engine module 100, for receiving workflow interfacing call operation, according to described interface interchange operation product process instance data; When user performs workflow engine operation, carry out data interaction with cache module.
Cache module 200, for preserving described flow instance data in the buffer.
Synchronization module 300, for arranging monitoring task, when described monitoring task is determined to meet the first trigger condition preset, preserves the flow instance data syn-chronization in buffer memory in database.
Preferably, described synchronization module is determined during arbitrary situation to meet the first trigger condition preset below occurring:
When the synchronization point preset arrives;
At the end of node instance;
At the end of flow instance.
See Fig. 5, embodiment of the present invention flow instance data processing equipment second embodiment schematic diagram.
Described device also comprises:
Modular converter 400, for generating the command information of preset format according to described interface interchange operation;
Instruction database 500, for preserving the corresponding relation that described command information and described command information and interface interchange operate.
Preferably, described modular converter also for when generation systems is restarted or generation systems fault time, from described instruction database, obtain described command information; According to the corresponding relation that described command information and interface interchange operate, generate the interface interchange corresponding with described command information and operate, enter flow engine module.
Preferably, described device also comprises:
Judge module, for judging whether to exist the flow instance data be not synchronized in database further, if existed, enters modular converter;
First delete cells, for when with described interface interchange operate corresponding flow instance data from buffer memory, be synchronized to database time, delete operate corresponding command information with described interface interchange.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The present invention can describe in the general context of computer executable instructions, such as program module.Usually, program module comprises the routine, program, object, assembly, data structure etc. that perform particular task or realize particular abstract data type.Also can put into practice the present invention in a distributed computing environment, in these distributed computing environment, be executed the task by the remote processing devices be connected by communication network.In a distributed computing environment, program module can be arranged in the local and remote computer-readable storage medium comprising memory device.
The above is only the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a process instance data processing method, is characterized in that, described method comprises:
Receive workflow interfacing call operation, according to described interface interchange operation product process instance data;
Described flow instance data preserved in the buffer, when user performs workflow engine operation, described workflow engine directly carries out alternately with data cached;
Monitoring task is set, when described monitoring task is determined to meet the first trigger condition preset, the flow instance data syn-chronization in buffer memory is carried out the asynchronous persistence of having preserved described flow instance data in database;
Wherein, after reception workflow interfacing call operation, described method also comprises:
The command information of preset format is generated according to described interface interchange operation;
Preserve the corresponding relation that described command information and described command information and interface interchange operate;
When generation systems is restarted or generation systems fault time, obtain described command information;
According to the corresponding relation that described command information and interface interchange operate, generate the interface interchange corresponding with described command information and operate;
The step of product process instance data is entered according to described interface interchange operation.
2. method according to claim 1, is characterized in that, below appearance during arbitrary situation, determines to meet the first trigger condition preset:
When the synchronization point preset arrives;
At the end of node instance;
At the end of flow instance.
3. method according to claim 1, is characterized in that, before the described command information of acquisition, described method also comprises:
Judge whether to exist the flow instance data be not synchronized in database further, if existed, obtain described command information.
4. method according to claim 1, is characterized in that, described method also comprises:
When with described interface interchange operate corresponding flow instance data from buffer memory, be synchronized to database time, delete operate corresponding command information with described interface interchange.
5. a flow instance data processing equipment, is characterized in that, described device comprises:
Flow engine module, for receiving workflow interfacing call operation, according to described interface interchange operation product process instance data; When user performs workflow engine operation, carry out data interaction with cache module;
Cache module, for preserving described flow instance data in the buffer;
Synchronization module, for arranging monitoring task, when described monitoring task is determined to meet the first trigger condition preset, carries out the asynchronous persistence of having preserved described flow instance data by the flow instance data syn-chronization in buffer memory in database;
Described device also comprises:
Modular converter, for generating the command information of preset format according to described interface interchange operation;
Instruction database, for preserving the corresponding relation that described command information and described command information and interface interchange operate;
Wherein, described modular converter also for when generation systems is restarted or generation systems fault time, described command information is obtained from described instruction database, according to the corresponding relation that described command information and interface interchange operate, generate the interface interchange corresponding with described command information to operate, enter flow engine module.
6. device according to claim 5, is characterized in that, described synchronization module is determined during arbitrary situation to meet the first trigger condition preset below occurring:
When the synchronization point preset arrives;
At the end of node instance;
At the end of flow instance.
7. device according to claim 5, is characterized in that, described device also comprises:
Judge module, for judging whether to exist the flow instance data be not synchronized in database further, if existed, enters modular converter;
First delete cells, for when with described interface interchange operate corresponding flow instance data from buffer memory, be synchronized to database time, delete operate corresponding command information with described interface interchange.
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| CN1680923A (en) * | 2004-04-09 | 2005-10-12 | 东软集团有限公司 | High-efficient processing method of working-fluid engine |
| CN101351789A (en) * | 2005-12-29 | 2009-01-21 | 微软公司 | Multiple concurrent workflow persistence schemes |
| CN101777154A (en) * | 2010-02-01 | 2010-07-14 | 浪潮集团山东通用软件有限公司 | Persistence method of workflow data in workflow management system |
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2011
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1680923A (en) * | 2004-04-09 | 2005-10-12 | 东软集团有限公司 | High-efficient processing method of working-fluid engine |
| CN101351789A (en) * | 2005-12-29 | 2009-01-21 | 微软公司 | Multiple concurrent workflow persistence schemes |
| CN101777154A (en) * | 2010-02-01 | 2010-07-14 | 浪潮集团山东通用软件有限公司 | Persistence method of workflow data in workflow management system |
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