CN102456173A - Realization method of workflow and apparatus thereof - Google Patents
Realization method of workflow and apparatus thereof Download PDFInfo
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- CN102456173A CN102456173A CN2010105176505A CN201010517650A CN102456173A CN 102456173 A CN102456173 A CN 102456173A CN 2010105176505 A CN2010105176505 A CN 2010105176505A CN 201010517650 A CN201010517650 A CN 201010517650A CN 102456173 A CN102456173 A CN 102456173A
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Abstract
The invention provides a realization method of a workflow. The method comprises the following steps: according to a service process, defining a workflow model, wherein an initial rule of the workflow, a condition and a dynamic rule corresponding to the condition are included; generating a workflow instance according to the initial rule; when an environment changes and satisfies the condition, generating the workflow instance according to the dynamic rule. The invention provides a realization apparatus of the workflow. The apparatus comprises: a definition module, an initial module and a dynamic module, wherein the definition module is used to define the workflow model according to the service process, and the initial rule of the workflow, the condition and the dynamic rule corresponding to the condition are included; the initial module is used to generate the workflow instance according to the initial rule; the dynamic module is used to generate the workflow instance according to the dynamic rule when the environment changes till satisfying the condition. By using the method and the apparatus of the invention, the workflow can adapt dynamic changes of the operation environment.
Description
Technical field
The present invention relates to digital type-setting domain, in particular to the implementation method and the device of workflow.
Background technology
Workflow is a series of mutual linkings, the business activity of carrying out automatically or task, is a kind of computer model that reflects operation flow.
At present; In most of Workflow systems, need define Work flow model in advance rigorously, formulated the process of workflow through the definition Work flow model; And can only when definition, edit and revise, in the workflow of operation, can not make amendment the process of workflow to the process of workflow.This system is fit to be applied to Stability Analysis of Structures, clear process and not needing in the operation flow of dynamic expansion.
In fact, the operation flow of enterprise seldom is static, and in the actual motion of workflow, the work flow operation environment is along with the variation of the variation of the operation flow of enterprise, production environment and present the characteristic of dynamic change.The inventor finds in the running environment of this dynamic change, defines the process of workflow statically through the definition Work flow model, the variation that can not conform well, and the operation of workflow tends to depart from expection, can't satisfy the demand.
Summary of the invention
The present invention aims to provide a kind of implementation method and device of workflow, the problem that can not conform well and change with the workflow that solves prior art.
In an embodiment of the present invention, a kind of implementation method of workflow is provided, has comprised:, wherein comprised initial rules and the condition of workflow and corresponding to the DP of condition according to the flow definition Work flow model of business; Generate workflow instance according to initial rules; When satisfying condition, generate workflow instance in environmental change according to DP.
In an embodiment of the present invention, a kind of implement device of workflow is provided, has comprised: definition module, be used for flow definition Work flow model according to business, wherein comprise initial rules and the condition of workflow and corresponding to the DP of condition; Initial module is used for generating workflow instance according to initial rules; Dynamic module is used in environmental change generating workflow instance according to DP when satisfying condition.
The implementation method of the workflow of the above embodiment of the present invention with device because defined DP in advance, so overcome the problem that the workflow of prior art can not conform and change, thereby make workflow can adapt to the dynamic change of running environment.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows the process flow diagram of the implementation method of workflow according to an embodiment of the invention;
Fig. 2 shows the process flow diagram of the implementation method of workflow in accordance with a preferred embodiment of the present invention;
The synoptic diagram of operation flow before the seal during Fig. 3 shows in accordance with a preferred embodiment of the present invention;
Fig. 4 shows the process flow diagram of operation flow before the seal of Fig. 3 being realized workflow;
Fig. 5 shows the synoptic diagram of the workflow of Fig. 4 realization;
Fig. 6-Fig. 7 shows the synoptic diagram of the workflow that another preferred embodiment is realized according to the present invention;
Fig. 8 shows the synoptic diagram of the implement device of workflow according to an embodiment of the invention.
Embodiment
Below with reference to accompanying drawing and combine embodiment, specify the present invention.
Fig. 1 shows the process flow diagram of the implementation method of workflow according to an embodiment of the invention, comprising:
Step S10 according to the flow definition Work flow model of business, wherein comprises initial rules and the condition of workflow and corresponding to the DP of condition;
Step S20 generates workflow instance according to initial rules;
Step S30 when satisfying condition, generates workflow instance according to DP in environmental change.
Prior art can only edit and revise the process of workflow when the definition Work flow model, so the variation that can not conform well, the operation of workflow tends to depart from expection, can't satisfy the demand.And in the present embodiment, when environmental change, can dynamically launch new regulation, thereby the variation that the operation of workflow is constantly conformed.
Preferably; Step S10 comprises: the definition task activity is used for shining upon the business activity (promptly comprising program or the instrument of carrying out business activity) of professional initial flow process in initial rules, and the relation between the task activity is used for the relation between the business activity of initial flow process of the business of shining upon; The definition task activity is used for shining upon professional business activity in the flow process of environmental change when satisfying condition in DP, and the relation between the task activity is used to shine upon professional relation between the business activity of environmental change when satisfying condition.This preferred embodiment changes the variation of shining upon environment with the task activity of workflow, thereby can constantly adjust workflow according to the variation of environment.This preferred embodiment is easy to realize in programming.
Preferably, in initial rules also definition be used to move the configuration parameter corresponding to the initial flow process of business of workflow; In DP also definition be used to move workflow corresponding to business at the configuration parameter of environmental change when satisfying condition.During environmental change, DP can trigger, and in time corresponding configuration parameters is provided, and makes that workflow takes place correspondingly to change, and carries out any configuration again and need not the user, thereby has alleviated user's operation burden.
Fig. 2 shows the process flow diagram of the implementation method of workflow in accordance with a preferred embodiment of the present invention, comprising:
Step S101, the initial rules that defines Work flow model according to operation flow is called wfpd1, the definite task activity (being the business activity of operation flow) that will carry out, and specify relation of interdependence and the execution sequence between each task activity;
Step S102 sets the relevant configured parameter information that needs when each task activity is handled operation in wfpd1;
Step S103 according to the expection of operation flow logic and uncertain variation, formulates corresponding decision rule and is called wfpd2 (being DP).
Step S104 generates workflow instance according to initial rules wfpd1, starts this workflow instance operation;
Step S105 according to current workflow instance data and business setting instantiation wfpd2, obtains dynamic workflow instance Activityi;
Step S106, the workflow engine scheduling starts the operation of workflow instance Activityi;
Step S107 when the Activityi activity is accomplished, judges whether operation flow is complete;
Step S108, if operation flow is complete, then work flow operation finishes, otherwise execution in step S105 generates next dynamic workflow.
In step S101; What formulate usually is a coarse workflow process that can be reflected in the service logic when formulating Work flow model; Because can't confirm business datum and corresponding business strategy when workflow instance moves; The actuating logic of partial service activity can't confirm that in other words, DP can further be revised and increase in initial workflow instance operational process.
In step S102, the relevant configured parameter information that each business activity is corresponding is necessary parameter information when the task activity of automatic or manual completion correspondence, and the change of these configuration parameters will influence the behavior of task activity.These parameters can be edited, even in the workflow instance operational process, these configuration informations still might be adjusted as required.
In step S103, these DPs are formulated according to the business procedure needs.When the business event strategy changes, through the edit-modify DP, influence Work flow model, rational reply is made to the variation of business game by guiding work flow management system.
In step S104, according to the present dynamic rule, the instantiation workflow is to adapt to the variation of business procedure.The variation of business game only influences the workflow instance that changes the back instantiation in decision rule, can't exert an influence to the workflow instance that has brought into operation.
In step S105, the task activity that comprises in the workflow only when it really will move, just carries out instantiation to it.This can dynamically adjust the behavior of the workflow instance that has brought into operation, the variation of the executing rule of specific tasks, the operation exception of the workflow instance that can not cause having brought into operation.The instantiation of task activity in the workflow is deferred to the real moment of moving of task activity, can exists under probabilistic situation in the partial service details, start work flow operation, the change of task activity rule can be embodied in the workflow of operation immediately.
The preferred embodiment can effectively improve the dirigibility and the adaptability of Workflow Management System, through supporting to on-the-fly modify Work flow model and delay instantiation task activity, makes workflow can respond the variation of business events process fast, has good flexibility.
Preferably, professional for professional before the seal.This preferred embodiment can be applied in typical operation flow as in the operation flow before printing.
Preferably, initial rules definition workflow comprises following task activity from front to back: standardize, draw a design, full-page proof snapshot and electronics signed-off sample; The DP definite condition is that source file changes, and workflow comprises following task activity from front to back: full-page proof snapshot and electronics signed-off sample.
Preferably, step S20 comprises: in workflow instance, carry out the standardization task activity earlier, then carry out the task activity of drawing a design, then carry out full-page proof snapshot task activity, carry out electronics signed-off sample task activity at last; Step S30 comprises: in workflow instance, carry out the full-page proof snapshot earlier, carry out the electronics signed-off sample then.
The synoptic diagram of operation flow before the seal during Fig. 3 shows in accordance with a preferred embodiment of the present invention; As shown in Figure 3; Before seal operation flow by standardize, draw a design, full-page proof snapshot, four task activities of snapshot derivation form, according to service needed, this operation flow has experienced operation flow BP1; Operation flow BP2, three kinds of variations of operation flow BP3.
Fig. 4 shows the process flow diagram of operation flow before the seal of Fig. 3 being realized workflow, comprising:
Step S201 in Workflow system, formulates Work flow model wfdef1 as shown in Figure 3;
Step S202, embedded image resolution, the snapshot of the PDF that configuration specification embedded image compressed format, the special look processing rule of standardization, the resolution of drawing a design, the used paper type of drawing a design, full-page proof snapshot are produced are derived configuration parameter information such as path and naming rule.
Step S203 according to business demand, formulates decision rule,
The DO FOLLOW WITH full-page proof snapshot of drawing a design
P1; // priority
Rule 2, the ON EXECUTE that draws a design
IF?srcI?nput?NOCHANGE
DO?BREAK
P2；
Step S204 starts work flow operation, and the rule parsing device is resolved the rule among the step S203; Whether the PS source file corresponding according to the pdf document of handling had had renewal from last time since the standardization; Wfdef1 is on-the-fly modified, and generate wfdef2, perhaps keep wfdef1 constant.
Step S205 is according to the instantiation of standardization parameter performance specification task.In the operational process of workflow substep progressively accomplish draw a design, full-page proof snapshot, snapshot derive instantiation.
Fig. 5 shows the synoptic diagram of the workflow that implementation method realized of Fig. 4.If source file has renewal, then generate and carry out the workflow instance of 4 nodes of top.If source file does not upgrade, then generate and carry out the workflow instance of 2 following nodes.That is, professional for professional before the seal, initial rules definition workflow comprises following task activity from front to back: standardize, draw a design, full-page proof snapshot and electronics signed-off sample; The DP definite condition is that source file changes, and workflow comprises following task activity from front to back: full-page proof snapshot and electronics signed-off sample; Generating workflow instance according to initial rules comprises: in workflow instance, carry out the standardization task activity earlier, then carry out the task activity of drawing a design, then carry out full-page proof snapshot task activity, carry out electronics signed-off sample task activity at last; When source file does not change, generate workflow instance according to DP and comprise: in workflow instance, carry out the standardization task activity earlier, carry out the task activity of drawing a design at last.
According to this preferred embodiment,, then only need to change the configuration information of drawing a design if change proofing facility.The workflow instance of startup for not accomplishing the instantiation of drawing a design can both in time adopt the new configuration of drawing a design, the execution of adjustment workflow.
Fig. 6 shows the synoptic diagram of the workflow that another preferred embodiment is realized according to the present invention.According to pdf document whether in advance out-of-competition testing looked into, can be converted into the workflow instance of 3 nodes, or the workflow instance of 2 following nodes.That is, professional for professional before the seal, initial rules definition workflow comprises following task activity from front to back: standardization, fly in advance and convert pdf document into eps file; The DP definite condition be pdf document in advance out-of-competition testing looked into, workflow comprises following task activity from front to back: standardization and convert pdf document into eps file; Generating workflow instance according to initial rules comprises: in workflow instance, carry out the standardization task activity earlier, then carry out and fly task activity in advance, carry out converting pdf document into the eps file task activity at last; Pdf document in advance out-of-competition testing look into out-of-dately, generate workflow instance according to DP and comprise: in workflow instance, carry out the standardization task activity earlier, carry out converting pdf document into the eps file task activity at last.
Fig. 7 shows the synoptic diagram of the workflow that another preferred embodiment is realized according to the present invention.Among the figure according to external PS file whether standard turn to pdf document, can produce workflow instance or the workflow instance of following single node of 2 nodes of top.That is, professional for professional before the seal, initial rules definition workflow comprises following task activity from front to back: standardization and PDF output; The DP definite condition be the PS file standard turn to pdf document, workflow comprises following task activity: PDF output from front to back; Generating workflow instance according to initial rules comprises: in workflow instance, carry out the standardization task activity earlier, carry out PDF output task activity at last; , generate workflow instance according to DP and comprise when standard has turned to pdf document at the PS file: in workflow instance, only carry out PDF output task activity.
From a plurality of preferred embodiments of Fig. 5-Fig. 7, can find out the variation of the present invention for this operation flow, only need to formulate suitable decision rule, Workflow Management System just can on-the-fly modify wfdef1, dynamically adapts to professional the variation.
Fig. 8 shows the synoptic diagram of the implement device of workflow according to an embodiment of the invention, comprising:
Workflow system is difficult in advance to confirm all processes usually, and the pass between the task activity is dynamic change tie up to the term of execution.Present embodiment can effectively improve the deficiency of Workflow system aspect the flow process dynamic change of managing business, and makes Workflow system can adapt to the work flow operation context environmental of dynamic change.
Preferably, definition module 10 comprises:
The initial rules module is used for being used for shining upon at initial rules definition task activity the business activity of professional initial flow process, and the relation between the task activity is used for shining upon the relation between the business activity of professional initial flow process;
The DP module; Be used for being used for shining upon professional business activity in the flow process of environmental change when satisfying condition at DP definition task activity, the relation between the task activity is used to shine upon professional relation between the business activity of environmental change when satisfying condition.
This preferred embodiment changes the variation of shining upon environment with the task activity of workflow, thereby can constantly adjust workflow according to the variation of environment.This preferred embodiment is easy to realize in programming.
Preferably, the initial rules module also is used for being used to move in initial rules definition the configuration parameter corresponding to the initial flow process of business of workflow; The DP module also be used for DP definition be used to move workflow corresponding to business at the configuration parameter of environmental change when satisfying condition.During environmental change, DP can trigger, and in time corresponding configuration parameters is provided, and makes that workflow takes place correspondingly to change, and carries out any configuration again and need not the user, thereby has alleviated user's operation burden.
Preferably, professional for professional before the seal.This preferred embodiment can be applied in typical operation flow as in the operation flow before printing.
From above description, can find out; On-the-fly modifying of the above embodiments support performance flow model of the present invention; The opportunity that has postponed workflow instanceization; Substep is dynamically accomplished the instantiation of whole Work flow model, thereby makes operation flow can adapt to the dynamic change of running environment, has strengthened the dirigibility and the adaptability of Workflow Management System.
Obviously; It is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize that they can concentrate on the single calculation element with the general calculation device; Perhaps be distributed on the network that a plurality of calculation element forms; Alternatively, they can be realized with the executable program code of calculation element, carried out by calculation element thereby can they be stored in the memory storage; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the implementation method of a workflow is characterized in that, comprising:
According to the flow definition Work flow model of business, wherein comprise initial rules and the condition of workflow and corresponding to the DP of said condition;
Generate workflow instance according to said initial rules;
When satisfying said condition, generate workflow instance in environmental change according to said DP.
2. method according to claim 1 is characterized in that, comprises according to the flow definition Work flow model of business:
The said task activity of definition is used for shining upon the business activity of the initial flow process of said business in said initial rules, and the relation between the said task activity is used for shining upon the relation between the business activity of initial flow process of said business;
The said task activity of definition is used for shining upon the business activity of said business in the flow process of environmental change when satisfying said condition in said DP, and the relation between the said task activity is used to shine upon the relation of said business between the business activity of environmental change when satisfying said condition.
3. method according to claim 2 is characterized in that, also definition is used to move the configuration parameter corresponding to the initial flow process of said business of said workflow in said initial rules; In said DP also definition be used to move said workflow corresponding to said business at the configuration parameter of environmental change when satisfying said condition.
4. method according to claim 2 is characterized in that, said business is professional before for seal, and said initial rules defines said workflow and comprises following task activity from front to back: standardize, draw a design, full-page proof snapshot and electronics signed-off sample; It is that source file changes that said DP defines said condition, and said workflow comprises following task activity from front to back: full-page proof snapshot and electronics signed-off sample;
Generating workflow instance according to said initial rules comprises: in said workflow instance, carry out the standardization task activity earlier, then carry out the task activity of drawing a design, then carry out full-page proof snapshot task activity, carry out electronics signed-off sample task activity at last;
When source file does not change, generate workflow instance according to said DP and comprise: in said workflow instance, carry out the standardization task activity earlier, carry out the task activity of drawing a design at last.
5. method according to claim 2 is characterized in that, said business is professional before for seal, and said initial rules defines said workflow and comprises following task activity from front to back: standardization, fly in advance and convert pdf document into eps file; Said DP define said condition be pdf document in advance out-of-competition testing looked into, said workflow comprises following task activity from front to back: standardization and convert pdf document into eps file;
Generating workflow instance according to said initial rules comprises: in said workflow instance, carry out the standardization task activity earlier, then carry out and fly task activity in advance, carry out converting pdf document into the eps file task activity at last;
Pdf document in advance out-of-competition testing look into out-of-dately, generate workflow instance according to said DP and comprise: in said workflow instance, carry out the standardization task activity earlier, carry out converting pdf document into the eps file task activity at last.
6. method according to claim 2 is characterized in that, said business is preceding professional for seal, and said initial rules defines said workflow and comprises following task activity from front to back: standardization and PDF output; Said DP define said condition be the PS file standard turn to pdf document, said workflow comprises following task activity: PDF output from front to back;
Generating workflow instance according to said initial rules comprises: in said workflow instance, carry out the standardization task activity earlier, carry out PDF output task activity at last;
, generate workflow instance according to said DP and comprise when standard has turned to pdf document at the PS file: in said workflow instance, only carry out PDF output task activity.
7. the implement device of a workflow is characterized in that, comprising:
Definition module is used for the flow definition Work flow model according to business, wherein comprises initial rules and the condition of workflow and corresponding to the DP of said condition;
Initial module is used for generating workflow instance according to said initial rules;
Dynamic module is used in environmental change generating workflow instance according to said DP when satisfying said condition.
8. device according to claim 7 is characterized in that, said definition module comprises:
The initial rules module; Be used for being used for shining upon at the said task activity of said initial rules definition the business activity of the initial flow process of said business, the relation between the said task activity is used for shining upon the relation between the business activity of initial flow process of said business;
The DP module; Be used for being used for shining upon the business activity of said business in the flow process of environmental change when satisfying said condition at the said task activity of said DP definition, the relation between the said task activity is used to shine upon the relation of said business between the business activity of environmental change when satisfying said condition.
9. device according to claim 8 is characterized in that, said initial rules module also is used for being used to move in the definition of said initial rules the configuration parameter corresponding to the initial flow process of said business of said workflow; Said DP module also be used for the definition of said DP be used to move said workflow corresponding to said business at the configuration parameter of environmental change when satisfying said condition.
10. device according to claim 8 is characterized in that, said business is preceding professional for seal.
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