CN101321178A - Portal workflow engine system and its implementing method - Google Patents
Portal workflow engine system and its implementing method Download PDFInfo
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Abstract
The invention provides an engine system of entry working stream and implementing method thereof, the system thereof is connected with a business entry module. The system comprises: a receiving module, which is connected with the business entry module and used for receiving tasks thereof; a process module, which is connected with the receiving module and used for processing the tasks; and a response module, which is connected with the process module and the business entry module and used for feeding back process state of the tasks to the business entry module on time. The invention is characterized in that the process module comprises a grammar analyzing module, which is connected with the receiving module and used for converting data format of the tasks of the business entry module into the data format needed by internal operation of the process module. Compared with existing technology, the engine system of entry working stream provided by the invention newly adds the grammar analyzing module such that a same language is used within the system so as to improve compatibility and response speed of the engine system of entry working stream.
Description
Technical field
The present invention relates to the telecom communication field, relate in particular to and be, a kind of 3G of being used for data service comprehensive management platform manage business portal workflow engine system and its implementation of operation flow processs such as carrying out flow process and user management, CP/SP management, service management, Content Management.
Background technology
So-called door is that various application systems, data resource and Internet resources are integrated on the information management platform, and offers the user with unified user interface.
The notion of workflow (Workflow) originates from organization of production and Field of Office Automation, and purpose is that job analysis is become definition good task, role, carries out these tasks and they are monitored according to certain process and rule.According to WfMC (Workflow Management Coalition, international WFMC) definition, workflow is exactly the business procedure a part or whole part that operates automatically, shows as the participant file, information or task are taken action according to rules, and make it transmit between the participant.Briefly, workflow is exactly a series of mutual linkings, the business activity of carrying out automatically and task.Accompanying drawing 1 has provided a typical portal workflow umbrella shape figure, has reflected the corresponding relation of each workflow operating procedure with respective operations person.
Workflow engine is in core status in whole Workflow Management System, for Workflow Management provides execution environment.The service that workflow engine specifically provides comprises: the explanation of (1) process model; (2) control of process instance; (3) execution between each activity of process; (4) generate pending, notify the user to handle; (5) maintenance of workflow control data and workflow related data; (6) call applications and visit workflow related data.
Adopt middleware to carry out communication between existing workflow engine and the service portal module, middleware is a kind of independently systems soft ware or service routine, is used for different application software shared resource between different technology.But workflow engine has used middleware in a large number, causes system maintenance and upgrading more complicated, is not suitable for carrier-class and uses.And, the realization of work on hand stream engine is to use the Java technology to realize mostly, all be based on J2EE (Java 2 Platform Enterprise Edition, Java 2 Platform Enterprise Edition) realization under the framework, because Java is the language of explanation type, for a long time can not be satisfactory on the page response speed for number of users.
Therefore, also there is defective in prior art, awaits improving and development.
Summary of the invention
The technical problem that the present invention solves provides a kind of portal workflow engine system and its implementation, and this system and method has guaranteed compatibility and the response speed of engine to all service portals.
For solving the problems of the technologies described above, the present invention adopts following scheme:
A kind of portal workflow engine system is connected with the service portal module, and this system comprises:
Be connected the receiver module that is used to receive its task with the service portal module;
Be connected with described receiver module and be used to handle described task handling module; With described processing module and the respond module that the service portal module is connected, be used for regularly feeding back described task handling state to described service portal module;
Wherein, described processing module comprises the syntax parsing module that is connected with described receiver module, and the Data Format Transform that is used for the task of described service portal module is the required data format of described processing module internal operation.
Described system, wherein, described syntax parsing module comprises: with the syntax analysis device that described receiver module is connected with respond module, be used for the data of transmission are formatd with the XML form; With the syntax tree transducer that described syntax analysis device is connected with described processing module, be used to carry out the conversion between XML form and the XMLTree object.
Described system, wherein, described syntax parsing module also comprises: with the node analysis device that described syntax analysis device is connected with the syntax tree transducer, be used to analyze the task nest relation in the described task and be sent to described syntax tree transducer.
Described system, wherein, described processing module comprises: line up the unit with the task that described syntax parsing module is connected, be used to store the current treatment state of described task; Line up the thread units that the unit is connected with described task, be used for calling in successively the task of carrying out described task queue unit.
Described system, wherein, described system also comprises: be connected the database that is used to store described task and script thereof with described processing module; Described processing module also comprises: with the timed task processing unit that this database is connected with described response unit, this timed task processing unit is used for searching timed task and the execution that described database is stored by the fixed time.
Described system, wherein, described processing module also comprises: the workflow template instantiation unit that is connected with described receiver module, be used for filling the copy that is loaded into the workflow template of internal memory when starting according to concrete workflow message content, and generate concrete execution object.
Described system, wherein, described processing module also comprises: with the scheduling Dispatching Unit that described sending module is connected with thread units, be used for the task of described thread units is sent to concrete protocol processes system.
The present invention also provides a kind of implementation method of portal workflow engine, may further comprise the steps: S1, receive the task from service portal, format with the XML form; S2, described task is converted to the XMLTree object from the XML data, calls in and carry out described task successively; S3, feed back described task handling state to described service portal module with the XML data.
Described method, wherein, described step S2 comprises: the task of format conversion has been passed through in S21, storage; S22, scan by the fixed time whether timed task is arranged in the described task,, then carry out described timed task if having.
Described method, wherein, described step S2 also comprises: described task is dispatched distribution.
Compared with prior art, portal workflow engine system of the present invention is set up the syntax parsing module makes internal system adopt with a kind of language realization, has improved the compatibility and the response speed of portal workflow engine system.The common required data format C code of processing module internal operation, the pure C language of internal system is realized like this, realize carrying out than traditional Java based on the J2EE framework, be to carry out efficient or writing of workflow template file all has raising, efficiently solve the compatibling problem between foreground of the prior art Java page stream and the backstage C code.
Description of drawings
Fig. 1 is portal workflow umbrella shape figure of the prior art;
Fig. 2 is the outside general structure of portal workflow engine system of the present invention;
Fig. 3 is the internal structure block diagram of portal workflow engine system of the present invention;
Fig. 4 is XMLTree object structure figure of the present invention;
Fig. 5 is the library function call figure among the present invention.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing.
The invention provides a kind of workflow engine that can the deal with data BPM, solve the compatibling problem between foreground of the prior art Java page stream and the backstage C code, make integral telecommunication operator when reducing investment outlay, strengthen diversity of operations again.
Overall construction drawing of the present invention as shown in Figure 2, dotted line has identified workflow engine system among the figure, workflow engine system comprise the workflow engine main body and with its dynamic direct-connected database.Be foreground JSP (JavaServer Pages) page of service portal module on the workflow engine system, the two carries out information interaction by tag library and background processing module, input and output and secondary cache module; JSP is a kind of dynamic web page technique standard, and it is to insert java applet section (Scriptlet) and JSP mark (tag) in traditional webpage html file (* .htm, * .html), thereby forms jsp file (* .jsp).Door module with the JSP exploitation is cross-platform, can move on different operating system.Workflow engine system also is connected with the variety of protocol processing module, for example, and short message protocol processing module, multimedia message protocol processing module, mail protocol processing module etc.
The internal frame diagram of workflow engine system is seen Fig. 3, and this system comprises: processing module, database, the communication module of being made up of receiver module, respond module.
Receiver module is connected with the service portal module, and this receiver module is used to receive the task of service portal module; Processing module is connected with receiver module, and this processing module is used to handle the task from receiver module; Respond module is connected with the service portal module with this processing module, and this respond module is used for regularly feeding back described task handling state to described service portal module.When specific implementation, receiver module and respond module can be merged into communication module, see Fig. 3.Database is connected with processing module, is used to store described task and script thereof.
Comprise in the processing module: syntax parsing module, task are lined up unit, thread units, timed task processing unit, workflow template instantiation unit, scheduling Dispatching Unit.
The syntax parsing module is connected with receiver module, and the Data Format Transform that is used for the task of described service portal module is the required data format of processing module internal operation.Comprise again in the syntax parsing module: syntax analysis device, syntax tree transducer, node analysis device.
The syntax analysis device is connected with respond module with receiver module, and the syntax analysis device is used for the data of transmission are formatd with XML (eXtensible Markup Language, extending mark language) form; Because XML is a kind of simple storage language, only be to show data, use a series of simple mark data of description, and these marks can be set up with mode easily.XML simply makes it be easy to read and write data in Any Application, easy and Windows, Mac OS, and the information combination that Linux and other platforms produce down, and load and export the result easily, help the compatibility of workflow engine.
The syntax parsing module is connected with described processing module with this syntax analyzer, and the syntax tree transducer is used to carry out the conversion between XML form and XMLTree (extending marking syntax tree) object.XMLTree object structure figure as shown in Figure 4, a workflow (Workflow) task comprises: workflow title (Name), step (Action) and script (Script); Comprise in the described step: application (Apply), audit (Audit), configuration (Configure), modification (Modify), test (Test); Can comprise some nodes (Node) in the described configuration; Comprise again in each node: state (Status), nested workflow (Workflow) and workflow life cycle (Workflow life).
Because the upper strata door data type of service of supporting is of a great variety, for example, CP/SP (ContentProvider/Service Provider, content supplier/service provider) door, content is uploaded door, IM/POC/PushMail (Instant Messaging/Push-to-Talk/Pushmail, instant messaging/PTT/mail push service) service portal such as, in order to guarantee the compatibility of engine to all doors, need be after formaing with the XML form the data of transmission, it is the XMLTree object that engine internal is used that the syntax tree transducer is given the XML data conversion of coming with door, again the XMLTree object is converted to the standard XML formatted data when returning response message to door.Internal system is adopted used pure C language to realize, realizing carrying out than traditional Java based on the J2EE framework is to carry out efficient or writing of workflow template file all has raising, efficiently solves the compatibling problem between foreground of the prior art Java page stream and the backstage C code.
The node analysis device is connected with the syntax tree transducer with the syntax analysis device, the node analysis device is used for the task nest relation in the analytical work stream task, see Fig. 4 by the task relation that node is nested, be sent to the conversion that the syntax tree transducer carries out XML data and XMLTree object after analysis is finished.
Task is lined up the unit and is connected with the syntax parsing module, and task is lined up the unit and is used to store the current treatment state of described task; Thread units is lined up the unit with task and is connected, and thread units is used for calling in successively the task of the queue unit of executing the task.
The timed task processing unit is connected with response unit with database, and the timed task processing unit is used for searching timed task and the script of carrying out this timed task appointment or the storing process that described database is stored by the fixed time.
Workflow template instantiation unit is connected with receiver module, and the message that is used to receive from door also is its storage allocation space.Workflow template instantiation unit after the HTTP message of the XML form that receives being resolved step such as label, again with the content stores in the label in the memory headroom of distributing; Instantiation promptly generates concrete workflow and carries out object, workflow engine can load all working stream file that leaves under the service catalogue when starting and advance internal memory (primary template), after receiving the concrete workflow message of door, workflow engine generates the copy of a corresponding primary template according to the workflow title of appointment in the message, simultaneously the content in the label that parses is filled in the copy of primary template and goes, thereby finish the work the flow template instantiation process.Each service portal module can oneself be write the workflow template of oneself, is put into fixedly under the catalogue, carries out instantiation by workflow engine when specifically using.
The scheduling Dispatching Unit is connected with thread units with sending module, and the scheduling Dispatching Unit is used for the task of thread units is sent to concrete protocol processes system.
Adopt the present invention can obviously improve the response speed of door and the treatment effeciency of whole Workflow system.Operator can provide diversified data service, and for example, business such as note, multimedia message, mail make the service differentiation, specializes, and promotes the service class.
Above processing module when specific implementation in the following ways layering finish: the syntax parsing module is the syntax parsing layer; Workflow template instantiation unit, scheduling Dispatching Unit form pretreatment layer; Task lines up the unit and thread units constitutes execution level; Adopt the structural design of this layering, help core and preliminary treatment, interface, the execution level of engine are effectively distinguished, be convenient to realize the height coupling and low interior the gathering of engine.
The present invention also provides a kind of implementation method of portal workflow engine, may further comprise the steps:
100, reception is formatd with the XML form from the task of service portal;
200, described task is converted to the XMLTree object from the XML data, calls in and carry out described task successively;
210, described task is converted to the XMLTree object from the XML data;
220, the task of format conversion has been passed through in storage;
230, described task is dispatched distribution and handled described task;
240, scan by the fixed time whether timed task is arranged in the described task,, then carry out described timed task if having.
300, feed back described task handling state with the XML data to described service portal module.
Consider that telecommunications has the operation data business features now, the present invention has adopted plug-in type API (Application Programming Interface, API) to load, and API comprises two class interfaces: business interface and framework interface.Business interface provides the interface of application access network capabilities and information, and framework interface provides business interface safety, manages necessary tenability.Business interface guarantees that the user can insert legacy network, as calling out control, call manager, transmission message, user interactions etc.; The function that framework interface provides has: professional registration, service subscription, service discovering, authentication, mandate and integrated management etc.API is loaded by the workflow engine main thread with the form of dynamic base, each service portal can be write the API of own needs use for oneself calling according to the rule of WSL language, this is convenient on the one hand and the door module is integrated, other project can oneself be write the API that needs for oneself calling on the other hand, satisfies the requirement of operation system high availability.Can support the workflow processing flow process of CP (Content Provider, content supplier), SP miscellaneous service doors such as (Services Provider, application service providers) easily.
Portal workflow engine system inside structure among the present invention realizes with reference to the workflow reference model of WfMC, also designed a kind of and XPDL (XML Process Definition Language, the standardized size of using the XML file that different workflow software can be exchanged) the similar WSL of workflow process definitional language (Workflow Script Language, the workflow script language), below elaborate:
One, WSL general introduction:
The syntactic class of WSL is like the C language, and the difference of it and C language is mainly as follows:
1. whole script is equivalent to a function, supports to call by the JSP page and database timed task;
2. the data type of Zhi Chiing has only int and string, does not support array, and string also can be write as String simultaneously;
3. variable declarations can only be placed on the beginning part of whole script, and the default auto-initiation of int type is 0, and the default auto-initiation of string is " ";
4. some general built-in functions are provided, as out_debug, out_trace, out_log, out_error;
5. the library function call mode of this plug-in unit mode of call_api is provided, and each service portal module can be write API that own needs use for oneself calling according to the rule of WSL language, and API is loaded by the workflow engine main thread with the form of dynamic base; Library function call figure can be referring to Fig. 5.
6.WSL support the input and output parameter of variable number;
7. some extra operator supports are provided to character string type.Such as with==replace traditional strcmp;
8 is the same with C++, supports row note and piece note;
Do not support type declarations, not supporting structure and association;
Two, the keyword and the built-in function of WSL support:
Keyword:
NULL if?then else while?do?return int string/String switch
case default?break?continue for?exit
Built-in function:
atoi itoa strlen strcpy strcat strtok strpos
substr?strcmp toupper tolower ltrim rtrim
set_param get_int_param get_str_param out call_api
call_script
split_sqlres?out_log out_trace?out_error out_debug
Three, the operator of WSL support:
＝
‖
&&
|
&
＝＝！＝
＜＞＜＝＞＝
＜＜＞＞
+-
*/％
++--！～
Priority level raises from top to bottom successively.
To sum up, the present invention has following good effect:
1, templating supports that the door kind is many: each door can oneself be write the workflow template of oneself, is put into fixedly under the catalogue, carries out instantiation by workflow engine when specifically using;
2, support plug-in type API: each service portal can be write API that own needs use for oneself calling according to the rule of WSL language, and API is loaded by the workflow engine main thread with the form of dynamic base.
3, workflow is carried out efficiently: because native system is to adopt pure C language to realize, it is execution efficient or writing of workflow template file all has raising that more traditional Java based on the J2EE framework realizes carrying out.
Below describe with an execution mode again; Present embodiment adopts the mode of SUSE and HP-UNIX+Oracle (promptly in the HP-UNIX system oracle database is installed, door data storehouse and Service Database close to be established) to realize.Adopt a SUSE Linux as disposing the door circumstance machine in system, other is provided with a cover HP N4000 server as the service processor system, connects by WINNT/TCP (Transmission Control Protocol under the WINNT system) data link.This service processor system has moved the interface message processor (IMP) that can handle the 3G mobile note and the SMGP that can handle PHS SMS (Short Message Gateway Protocol, short messaging gateway) agreement thread, and the SLP of the usefulness of managing business (Service Logic Process, Service Logic processing Program) process is mainly used to realize the transmission of door note and professional triggering usefulness.CP/SP (the Content Provider/Services Provider that present native system provides, content supplier/application service provider) service portal, provide a unified door circumstance to some enterprise, group etc., use this environment to carry out the efficient processing of workflow for these enterprises, group, create good economic benefit.
Should be understood that; the above embodiment that provides is just to explanation of the present invention; and not should be understood to limitation of the present invention; to those skilled in the art; can be improved according to the above description or conversion; and all these improve and conversion all should be disclosed principle and feature, all belong to protection scope of the present invention.
Claims (10)
1, a kind of portal workflow engine system is connected with the service portal module, and this system comprises:
Be connected the receiver module that is used to receive its task with the service portal module;
Be connected with described receiver module and be used to handle described task handling module;
With described processing module and the respond module that the service portal module is connected, be used for regularly feeding back described task handling state to described service portal module;
It is characterized in that described processing module comprises the syntax parsing module that is connected with described receiver module, the Data Format Transform that is used for the task of described service portal module is the required data format of described processing module internal operation.
2, system according to claim 1 is characterized in that, described syntax parsing module comprises: with the syntax analysis device that described receiver module is connected with respond module, be used for the data of transmission are formatd with the XML form; With the syntax tree transducer that described syntax analysis device is connected with described processing module, be used to carry out the conversion between XML form and the XMLTree object.
3, system according to claim 2, it is characterized in that, described syntax parsing module also comprises: with the node analysis device that described syntax analysis device is connected with the syntax tree transducer, be used to analyze the task nest relation in the described task and be sent to described syntax tree transducer.
4, system according to claim 2 is characterized in that, described processing module comprises: line up the unit with the task that described syntax parsing module is connected, be used to store the current treatment state of described task; Line up the thread units that the unit is connected with described task, be used for calling in successively the task of carrying out described task queue unit.
5, system according to claim 1 is characterized in that, described system also comprises: be connected the database that is used to store described task and script thereof with described processing module; Described processing module also comprises: with the timed task processing unit that this database is connected with described response unit, this timed task processing unit is used for searching timed task and the execution that described database is stored by the fixed time.
6, system according to claim 5, it is characterized in that, described processing module also comprises: the workflow template instantiation unit that is connected with described receiver module, be used for filling the copy that is loaded into the workflow template of internal memory when starting, generate concrete execution object according to concrete workflow message content.
7, system according to claim 4 is characterized in that, described processing module also comprises: with the scheduling Dispatching Unit that described sending module is connected with thread units, be used for the task of described thread units is sent to concrete protocol processes system.
8, a kind of implementation method of portal workflow engine may further comprise the steps:
S1, receive task, format with the XML form from service portal;
S2, described task is converted to the XMLTree object from the XML data, calls in and carry out described task successively;
S3, feed back described task handling state to described service portal module with the XML data.
9, method according to claim 8 is characterized in that, described step S2 comprises:
The task of format conversion has been passed through in S21, storage;
S22, scan by the fixed time whether timed task is arranged in the described task,, then carry out described timed task if having.
10, method according to claim 8 is characterized in that, described step S2 also comprises: described task is dispatched distribution.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102346671A (en) * | 2011-09-29 | 2012-02-08 | 南京国电南自轨道交通工程有限公司 | Calculation method based on expansible script language |
| CN103064658A (en) * | 2011-10-21 | 2013-04-24 | 镇江金软计算机科技有限责任公司 | Work flow (WF) engine applied in purchase-sale-stock system |
| CN103218706A (en) * | 2013-03-20 | 2013-07-24 | 深圳市赛为智能股份有限公司 | Method and device for generating workflow file and executing method and system for generating workflow file |
| WO2014110903A1 (en) * | 2013-01-21 | 2014-07-24 | 中兴通讯股份有限公司 | Method used by interface machine to process messages and interface machine |
| WO2015154641A1 (en) * | 2014-09-04 | 2015-10-15 | 中兴通讯股份有限公司 | Prediction method and prediction system for service concurrency |
| CN111708526A (en) * | 2020-06-05 | 2020-09-25 | 苏州瑞泰信息技术有限公司 | Novel API writing method |
-
2008
- 2008-07-18 CN CNA2008101416521A patent/CN101321178A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102346671A (en) * | 2011-09-29 | 2012-02-08 | 南京国电南自轨道交通工程有限公司 | Calculation method based on expansible script language |
| CN102346671B (en) * | 2011-09-29 | 2013-12-18 | 南京国电南自轨道交通工程有限公司 | Calculation method based on expansible script language |
| CN103064658A (en) * | 2011-10-21 | 2013-04-24 | 镇江金软计算机科技有限责任公司 | Work flow (WF) engine applied in purchase-sale-stock system |
| WO2014110903A1 (en) * | 2013-01-21 | 2014-07-24 | 中兴通讯股份有限公司 | Method used by interface machine to process messages and interface machine |
| CN103218706A (en) * | 2013-03-20 | 2013-07-24 | 深圳市赛为智能股份有限公司 | Method and device for generating workflow file and executing method and system for generating workflow file |
| CN103218706B (en) * | 2013-03-20 | 2016-03-02 | 深圳市赛为智能股份有限公司 | Workflow document generating method and equipment, generation manner of execution and system |
| WO2015154641A1 (en) * | 2014-09-04 | 2015-10-15 | 中兴通讯股份有限公司 | Prediction method and prediction system for service concurrency |
| CN105426978A (en) * | 2014-09-04 | 2016-03-23 | 中兴通讯股份有限公司 | Service concurrency prediction method and service concurrency prediction system |
| CN111708526A (en) * | 2020-06-05 | 2020-09-25 | 苏州瑞泰信息技术有限公司 | Novel API writing method |
| CN111708526B (en) * | 2020-06-05 | 2024-03-01 | 苏州瑞泰信息技术有限公司 | API writing method |
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