CN107729388A - A kind of app server implementation methods based on XML protocol - Google Patents
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Abstract
The present invention relates to areas of information technology, it is desirable to provide a kind of app server implementation methods based on XML protocol.App server implementation method of this kind based on XML protocol, for being called management to application program, realizes that step includes：Request analysis, task scheduling, feedback of the information.The present invention realizes app servers in a straightforward manner, and the app servers can be managed to the program of calling, and obtained result is fed back in time, and operation progress is carried out integrating computing and fed back.
Description
Technical field
The present invention is on areas of information technology, more particularly to a kind of app server implementation methods based on XML protocol.
Background technology
With the development of information technology, distributed and Clustering has obtained more and more extensive utilization, Distributed Calculation
Also increasingly it is well known.During Distributed Calculation, it is a critically important link that unit, which calculates scheduling, and it receives
Calculating task from dispatch server, result is directly or indirectly fed back to dispatch server after calculating, last reduction and simultaneously
Into final result.
In unit calculating process, often a computer can disposably receive multiple in a distributed computing task
Subtask.In scheduling, a sub- task-set is merged into appropriate subtask can play the work for simplifying task initialization flow
With, while this also shares the partial task scheduling burden of dispatch server to calculation server, improves the utilization rate of resource.
Unit, which calculates, two kinds of forms, first, opening computing development interface by the distributed system of complexity, will be connect for this
The program of mouth specification exploitation is deployed to each computer environment by scheduler program, is interacted with distributed system；Another kind is straight
Connect and the program in stand-alone environment is deployed to each computer environment, the program is called and managed by the Environment Management module
Reason, directly carry out interacting for input and output in system level (such as pipeline, file, network) with it.Second of development cost letter
It is single, it is not necessary to understand the compartment system interface of complexity, can be current if any ready-made stand-alone program.To this calculation server,
We term it app servers.
Existing similar server has the cloud computing server of web server and major company formation, and web server is such as
Apache can realize the calling of application program by functions such as Java, but cataloged procedure is complex；Each major company's cloud service
Device build process is also increasingly complex, and this invention is adapted to light weight deployment, changes flexible application scenarios.
The content of the invention
It is a primary object of the present invention to overcome deficiency of the prior art, there is provided one kind can utilize existing stand-alone application journey
Sequence, with reference to app service routines and calling rule template, unit is easily calculated to the method for being transformed into Distributed Calculation.For solution
Certainly above-mentioned technical problem, solution of the invention are：
A kind of app server implementation methods based on XML protocol are provided, for (there is obvious output such as to application program
Console exports and the application program of log) it is called management, the app servers realization side based on XML protocol
Method specifically includes following step：
(1) request analysis；
App servers receive scheduling request message (one section of network of XML format of the XML format from dispatch server
Data are transmitted, all information for needing user to input when containing app server calls application programs), with regular configuration file
To scheduling request message carry out rule match (such as meet specified XPath paths XML node interior perhaps attribute meet specify
Canonical matching), extract scheduling request message in key message (path of the application program of required calling, call parameters
Deng), form traffic order and application program is scheduled；
The app servers can be communicated with dispatch server, receive the request that dispatch server is sent, and call application
Program obtains feeding back after output result and to dispatch server；
The dispatch server is used for the input for receiving user, arranges dispatch request and is sent to app servers, parses app
The result of server feedback is simultaneously presented to user；
Several regular group is shown in the regular configuration file, each rule group contains at request matched rule and parameter
Reason rule；Request matched rule defines one section of XPath expression formula and regular expression, please in XPath expression formulas pass flag
When seeking message, and marking the result to be matched with the regular expression, app servers with this regular group to request at
Reason；Parameter processing rule is any XML node, and each node utilizes the processing pair of app servers support according to sequencing
The data matched are processed, and processing mode is unlimited, are made a distinction according to node title, and it is (such as right to be realized by app servers
The mathematical operation of digital content, make logical operation after carrying out canonical matching to mark content, Formatting Output content is saved in text
Part, Formatting Output content are sent to dispatch server, call application program)；Different rule groups is used for performing different answer
With program, different rules can cooperate the various conventional actions of control application program (such as to start, temporarily in each regular group
Stop, stop, continuing executing with) and other special operationals (such as being inputted to the console of application program)；Advised in parameter processing
In then, if main processing is to obtain its output result by calling application program, there are output processing rule, output processing
The output (being exported including but not limited to console output, daily record) of application program of the rule to being called is filtered and processed
(including but not limited to notice dispatch server, preserve to file, and this filtering and process and the mistake in parameter processing rule
Filter is similar with process)；
(2) task scheduling；
When request starts a new application call, app servers are according to the traffic order formed in step (1)
Perform application program, and the application specified in the executing rule record execution information (such as process ID) in regular group accorded with
Program is called；
To be carrying out or process in suspended state application program carry out special operational (pause, stop,
Continue executing with or other special operationals) when, app servers to corresponding program process carry out special operational (hang up or knot
Beam or other special operationals), and to dispatch server feedback operation result；
(3) feedback of the information；
When app servers (are retouched according to request matched rule and parameter processing rule in step (1) regular configuration file
Request matched rule and the parameter processing rule stated) when filtering out crucial output content, app servers according to the output data and
The follow-up output processing rule (the output processing rule i.e. described in step (1) regular configuration file) is handled, and is pressed
Need to be fed back to dispatch server.
In the present invention, canonical matching is with marking and xpath matches that (i.e. request analysis, task scheduling and information are anti-
Feedback), specifically include following step：
Step (1A)：App servers travel through to the request matched rule of each rule group in regular configuration file, use
Each x requests matched rule matches to the scheduling request message of XML format, for the request matched rule of first matching
Travel through the operation of its subitem；
Step (1B)：The realization of matched rule subitem combination app service routines is asked, is marked using request matched rule
Data are called application program, access file, logical AND mathematical operation, feedback result；
Step (1C)：After the related application program of app server calls task, regular configuration file matched by canonical
(mark key content) is extracted and handled in output (pipeline, file, network etc.) to application program, and journey is applied for managing
Progress, result and state in sequence scheduling process.
In the present invention, the regular configuration file can be self-defined.
In the present invention, the regular configuration file is XML format, app servers to parameter processing rule and output at
The XML nodes of different names have the realization of corresponding function in reason rule, are specially：
Request identification node：App server traversal rules define in file each request identification node under root node, use
Its XPath specified matches to the scheduling request message of XML format, if specifying node to exist, to request identification knot
The child node of point is handled；Such as<Handler path="/parames [item [@key='act'and text ()='
create']]">…</handler>, app service traversal rules define in file each handler node under root node,
The xpath specified with its path attribute matches to the XML message of dispatch request, right if specifying node to exist
Handler child node is handled；
Parameter tags node：The node states a parameter (variable of the value from request content), and node is entitled
Param, name attribute represent the title of the parameter, and path attributes include XPath expression formulas, for marking the ginseng in request content
The particular content of number present position；Such as<Param name=" target " path=" item [@key=' target ']/text
()”/>, using the value of name attributes as title, using the request message node of request identification node mark as current node, with path
The path searching that attribute is specified to character (attribute or label value) for value preservation one context variable be easy to subsequent treatment
Use, the character for taking this node to get is represented using $ target when subsequently quoting；
Variable declarations node：The node states a variable, the entitled val of node, and name attributes represent the name of the variable
Claim, val attributes represent the value of the variable, and wherein val attributes can also use the mode of " " addend word to quote any preamble node and use
The content (such as $ 1 represents the Part I content of any preamble node regular expression mark) of regular expression mark, can also make
The value of variable defined in any preamble parameter declaration node or variable declarations node is quoted with " $ " plus title mode, if drawing
It is not present with content and then replaces with empty content (such as<Val name=" state " val=" running "/>, node preservation
One using state as title, running be value variable for subsequent treatment use)；
Function call node：The node states that a variate-value derives from the functional operation that app server internals are realized, knot
The entitled val of point, attribute name is name variable, call:Fn attributes are the title of institute's call function, and validate is result
Legitimate verification (attribute is optional, without the empty expression of the attribute without verification), on_validate_error is obstructed to verify
Later the processing node that app servers jump to, the attribute are an XPath expression formula, marked one positioned at rule configuration
Node in file；Such as<Val name=" peer " call:Fn=" peername " validate=" .+ " on_
Validate_error="/root/error " errmsg=" peername empty "/>, node calling app servers
The function peername realized inside program, and legitimacy verifies are carried out by the canonical matching in validate attributes, if into
Work(then saves as peer variables and used for follow-up, otherwise preserves variable actual value if name is not for sky, preserves errmsg and specify
Value be value, errmsg be the variable of title for follow-up use, find in rule file using/root/error as xpath paths
Node handled；In addition, app servers realize the function of function as needed, and the parameter of function is arranged as required to,
Indexing parameter is come with title corresponding to node；
Case and default nodes：In val nodes and param nodes, case nodes can be included and default is tied
Point；Case nodes defined variable satisfaction carries out assignment again, node entitled val when specifying canonical matching, reg attributes represent to be somebody's turn to do
Regular expression, val attributes represent the value newly covered；Default nodes use it when preamble case nodes at the same level all mismatch
The value of val property values covering father node (val or param)；Such as<Val name=" verbose " val=" $ enable_
verbose”><The val=" 1 " of case reg=" 1 "/><Default val=" 0 "/></val>, this three nodes settings
The value of verbose variables, judge all to set to 0 in addition to 1 according to $ enable_verbose value；
Exec nodes：Exec nodes are that task scheduling realizes the node that configuration processor is called, node entitled exec, cmd
Attribute performs the command parameter of application program required for representing, index attributes are marked for the calling of application program,
Redirect attributes are an XPath expression formula, and the value have matched a processing node in regular configuration file, app services
Device implementation procedure jumps to the node to carry out the processing after application program launching；Such as：<Exec cmd=" ping
Www.baidu.com " index=" $ peer " redirect="/root/proc_handle "/>, node calling ping journeys
Order parameter is www.baidu.com, and mark this implementation procedure task ID be peer variables value, subsequent treatment for rule at
Stdout can be included by managing the child node using/root/proc_handle as the node in xpath paths, its child node in file,
Log, on_end and on_index_error node；
Stdout nodes：Stdout nodes processing execution task corresponds to the content of standard output after application program, does not belong to
Property, case child nodes can only be included, case child nodes there are reg attributes, and output content is matched and marked with regular expression
Note, successful match and markd use $ add sequence number or $ marking titles to be quoted, and app is serviced after successful match
Device continues with the output content using the child node of the case nodes；
Log nodes：Log nodes are similar with stdout nodes, but its processing content come from it is defeated in program process
The daily record gone out；It must have path attributes to mark log path, the node that log nodes point in an exec nodes redirect
Child node in can specify multiple, each path specifies different log path, and stdout can only be one, in addition
Two kinds of node features are consistent；
On_end nodes：When each tasks carrying is completed or is stopped, the child node of this on_end node can be performed；
On_index_error nodes：In the task of execution, if task index (index attributes) has repetition, then its
The content in the xpath paths specified can be performed；
Progress nodes：The node can specify cur attributes to represent the progress of current task, and max attributes are specified current
The maximum of Task Progress, if the multiple subtasks performed simultaneously, app servers can carry out integrating computing；
Report nodes：The node sends result message to dispatch server；Such as：<report><！CDATA[<report
>this is a report</report>]]></report>；
Kill nodes：Directly terminate performing for task, with the index of index attribute appointed tasks；
Ref nodes：The node that the node jumps to the flow of execution where the xpath paths that its path attribute specifies,
After the completion of perform the follow-up nodes of ref again；
Group nodes：Its all child node is performed when going to this node；
In addition, in addition to recognition node is asked, what any node had a filter attributes has condition selection characteristic, can make thereafter
Selective execution is carried out with else nodes；Such as：<Val name=" verbose " filter=" $ enable_verbose " reg
=" 1 " val=" 1 "/><else><Val name=" verbose " val=" 0 "></else>If these three node definitions
When variable enable_verbose is 1, it is 1 to define verbose, and otherwise verbose is 0.
Compared with prior art, the beneficial effects of the invention are as follows：
The invention provides a kind of easy mode to realize app servers, it is not necessary to which complicated deployment, scheduling rule also may be used
Flexibly to make by oneself.
The present invention realizes app servers in a straightforward manner, and the app servers can be managed to the program of calling, right
Obtained result is fed back in time, and operation progress is carried out integrating computing and fed back.
Brief description of the drawings
Fig. 1 is the process chart of the present invention.
Embodiment
Firstly the need of explanation, the present invention relates to the application of the software engineerings such as dispatch server, is that computer technology exists
A kind of application of internet arena.In the implementation process of the present invention, the application of multiple software function modules can be related to.Application
People thinks, existing combining such as after application documents, accurate understanding realization principle and goal of the invention of the invention is read over
In the case of known technology, those skilled in the art can use the software programming technical ability of its grasp to realize the present invention completely.It is all
Category this category that the present patent application file refers to, applicant will not enumerate.
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings：
A kind of app server implementation methods based on XML protocol as shown in Figure 1, mainly include app servers, call
Regular three parts of configuration file and app application program, server program receive the request of XML format, with XML rule configuration texts
Xpath identifies request type in part, marks solicited message, calls the output such as specified application, pipeline and daily record to program
It is identified and is marked with canonical, and result is fed back to invoking server (its client).
App server implementation methods based on XML protocol specifically include following step：
Step (1A)：App servers travel through to the request matched rule of each rule group in regular configuration file,
The scheduling request message of XML format is matched with each request matched rule, the request for first matching matches rule
Then carry out, travel through the operation of its subitem；
Step (1B)：The realization of matched rule subitem combination app service routines is asked, is marked using request matched rule
Data are called application program, access file, logical AND mathematical operation, feedback result；
Step (1C)：After the related application program of app server calls task, regular configuration file leads to positive processing step
Output (pipeline, file, network etc.) to application program is extracted and handled, for during managing application program scheduling
Progress, result and state.
It is XML format in regular configuration file, app servers have accordingly to the node of different names in regular configuration file
The realization of function, it is specially：
Request identification node：App server traversal rules define in file each request identification node under root node, use
The XPath expression formulas that its path attribute is specified match to the scheduling request message of XML format, if specifying node to exist,
The child node for then identifying node to request is handled；(such as<Handler path="/parames [item [@key='act'
And text ()=' create']] ">…</handler>, app service traversal rules define in file each under root node
Handler nodes, the xpath specified with its path attribute match to the XML message of dispatch request, if specifying node to deposit
Then handler child node is being handled)
Parameter tags node：The node states a parameter (variable of the value from request content), and node is entitled
Param, name attribute represent the title of the parameter, and path attributes include XPath expression formulas, for marking the ginseng in request content
The particular content of number present position；(such as<Param name=" target " path=" item [@key=' target ']/
text()”/>, using the value of name attributes as title, using the request message node of request identification node mark as current node, with
The path searching that path attributes are specified to character (attribute or label value) for value preservation one context variable be easy to subsequently
Processing is used, and the character for taking this node to get is represented using $ target when subsequently quoting)
Variable declarations node：The node states a variable, the entitled val of node, and name attributes represent the name of the variable
Claim, val attributes represent the value of the variable, and wherein val attributes can also use the mode of " " addend word to quote any preamble node
The content (such as $ 1 represents the Part I content that any preamble node regular expression marks) marked with regular expression, also may be used
The mode of " $ " plus title is used to quote the value of variable defined in any preamble parameter declaration node or variable declarations node, if
Quote content and the content for then replacing with sky is not present；(such as<Val name=" state " val=" running "/>, the node
One is preserved using state as title, running is the variable of value for subsequent treatment use)
Function call node：The node states a variable, and value derives from the functional operation that app server internals are realized,
Node entitled val, attribute name are name variable, call:Fn attributes are the title of institute's call function, and validate is knot
Fruit legitimate verification (attribute is optional, without the empty expression of the attribute without verification), on_validate_error is to verify not
The processing node jumped to by rear app servers, the attribute are an XPath expression formula, marked one and match somebody with somebody positioned at rule
Put the node in file；(such as<Val name=" peer " call:Fn=" peername " validate=" .+ " on_
Validate_error="/root/error " errmsg=" peername empty "/>, node calling app servers
The function peername realized inside program, and legitimacy verifies are carried out by the canonical matching in validate attributes, if into
Work(then saves as peer variables and used for follow-up, otherwise preserves variable actual value if name is not for sky, preserves errmsg and specify
Value be value, errmsg be the variable of title for follow-up use, find in rule file using/root/error as xpath paths
Node handled；In addition, app servers realize the function of function as needed, and the parameter of function is arranged as required to,
Indexing parameter is come with title corresponding to node)
Case and default nodes：In val nodes and param nodes, case nodes can be included and default is tied
Point, case nodes defined variable satisfaction carry out assignment again, node entitled val when specifying canonical matching, reg attributes represent to be somebody's turn to do
Regular expression, val attributes represent the value newly covered；Default nodes use val when preamble case nodes at the same level all mismatch
Attribute covers the value of variable；(such as<Val name=" verbose " val=" $ enable_verbose "><Case reg="
1 " val=" 1 "/><Default val=" 0 "/></val>, this three nodes set the value of verbose variables, according to $
Enable_verbose value judges all to set to 0 in addition to 1)
Exec nodes：Exec nodes are that task scheduling realizes the node that configuration processor is called, node entitled exec, cmd
Attribute performs the command parameter of application program required for representing, index attributes are marked for the calling of application program,
Redirect attributes are an XPath expression formula, and the value have matched a processing node in regular configuration file, app services
Device implementation procedure jumps to the node to carry out the processing after application program launching；(such as：<Exec cmd=" ping
Www.baidu.com " index=" $ peer " redirect="/root/proc_handle "/>, node calling ping journeys
Order parameter is www.baidu.com, and mark this implementation procedure task ID be peer variables value, subsequent treatment for rule at
Stdout can be included by managing the child node using/root/proc_handle as the node in xpath paths, its child node in file,
Log, on_end and on_index_error node)
Stdout nodes：Stdout nodes processing execution task corresponds to the content of standard output after application program, does not belong to
Property, case child nodes can only be included, case child nodes there are reg attributes, and output content is matched and marked with regular expression
Note, successful match and markd use $ add sequence number or $ marking titles to be quoted, and app is serviced after successful match
Device continues with the output content using the child node of the case nodes；
Log nodes：Log nodes are similar with stdout nodes, but its processing content come from it is defeated in program process
The daily record gone out；It must have path attributes to mark log path, the node that log nodes point in an exec nodes redirect
Child node in can specify multiple, each path specifies different log path, and stdout can only be one, in addition
Two kinds of node features are consistent；
On_end nodes：When each tasks carrying is completed or is stopped, the child node of this on_end node can be performed；
On_index_error nodes：In the task of execution, if task index (index attributes) has repetition, then its
The content in the xpath paths specified can be performed；
Progress nodes：The node can specify cur attributes to represent the progress of current task, and max attributes are specified current
The maximum of Task Progress, if the multiple subtasks performed simultaneously, app servers can carry out integrating computing；
Report nodes：The node sends result message to dispatch server；(such as：<report><！CDATA[<
report>this is a report</report>]]></report>)
Kill nodes：Directly terminate performing for task, with the index of index attribute appointed tasks；
Ref nodes：The node that the node jumps to the flow of execution where the xpath paths that its path attribute specifies,
After the completion of perform the follow-up nodes of ref again；
Group nodes：Its all child node is performed when going to this node；
In addition, in addition to recognition node is asked, what any node had a filter attributes has condition selection characteristic, can make thereafter
Selective execution is carried out with else nodes (such as：<Val name=" verbose " filter=" $ enable_verbose " reg
=" 1 " val=" 1 "/><else><Val name=" verbose " val=" 0 "></else>If these three node definitions
When variable enable_verbose is 1, it is 1 to define verbose, and otherwise 0) verbose is.
In summary, the XML language that this app server by utilizing readability easily extends, with reference to xpath and the flexible mark of canonical
Note, necessary logic flow control and system access function are realized, realize simple app servers.
Finally it should be noted that listed above is only specific embodiment of the invention.It is clear that the invention is not restricted to
Above example, there can also be many variations.One of ordinary skill in the art can directly lead from present disclosure
All deformations for going out or associating, are considered as protection scope of the present invention.
Claims (4)
1. a kind of app server implementation methods based on XML protocol, for being called management to application program, its feature exists
In the app server implementation methods based on XML protocol specifically include following step：
(1) request analysis；
App servers receive the scheduling request message of the XML format from dispatch server, please to scheduling with regular configuration file
Ask message to carry out rule match, extract the key message in scheduling request message, form traffic order and application program is adjusted
Degree；
The app servers can be communicated with dispatch server, receive the request that dispatch server is sent, and call application program
Obtain feeding back after output result and to dispatch server；
The dispatch server is used for the input for receiving user, arranges dispatch request and is sent to app servers, parsing app services
The result of device feedback is simultaneously presented to user；
Several regular group is shown in the regular configuration file, each rule group contains request matched rule and parameter processing rule
Then；Request matched rule defines one section of XPath expression formula and regular expression, asks to report in XPath expression formulas pass flag
Text, and when marking the result to be matched with the regular expression, app servers are handled request with this regular group；Ginseng
Number processing rule is any XML node, and the processing that each node is supported according to sequencing using app servers is to matching
Data be processed, processing mode is unlimited, is made a distinction according to node title, is realized by app servers；Different regular group
For performing different application programs, different rules can cooperate the various routines of control application program in each regular group
Action and other special operationals；In parameter processing rule, if main processing is to obtain it by calling application program
Output result, then have output processing rule, and the output of application program of the output processing rule to being called is filtered and processed；
(2) task scheduling；
When request starts a new application call, app servers perform according to the traffic order formed in step (1)
Application program, and the application program specified in the executing rule record execution information in regular group accorded with is called；
When to be carrying out or process, the application program in suspended state carries out special operational, app servers pair
Corresponding program process carries out special operational, and to dispatch server feedback operation result；
(3) feedback of the information；
When app servers go out crucial output content according to request matched rule and parameter processing rule-based filtering, app server roots
Handled according to the output data and the follow-up output processing rule, and fed back on demand to dispatch server.
A kind of 2. app server implementation methods based on XML protocol according to claim 1, it is characterised in that it is described just
Then matching matches with mark and xpath, specifically includes following step：
Step (1A)：App servers travel through to the request matched rule of each rule group in regular configuration file, with each
X request matched rules match to the scheduling request message of XML format, are carried out for the request matched rule of first matching
Travel through the operation of its subitem；
Step (1B)：The realization of matched rule subitem combination app service routines is asked, the data marked using request matched rule
It is called application program, accesses file, logical AND mathematical operation, feedback result；
Step (1C)：After the related application program of app server calls task, it is corresponding that regular configuration file passes through canonical matching
Extracted and handled with the output of program, for managing progress, result and state during application program scheduling.
A kind of 3. app server implementation methods based on XML protocol according to claim 1, it is characterised in that the rule
Then configuration file can be self-defined.
A kind of 4. app server implementation methods based on XML protocol according to claim 1, it is characterised in that the rule
Then configuration file is XML format, the XML nodes of different names during app servers are regular to parameter processing rule and output processing
There is the realization of corresponding function, be specially：
Request identification node：App server traversal rules define in file each request identification node under root node, are referred to it
Fixed XPath is matched to the scheduling request message of XML format, if specifying node to exist, node is identified to request
Child node is handled；
Parameter tags node：The node states a parameter, the entitled param of node, and name attributes represent the title of the parameter,
Path attributes include XPath expression formulas, for marking the particular content of the parameter present position in request content；
Variable declarations node：The node states a variable, the entitled val of node, and name attributes represent the title of the variable,
Val attributes represent the value of the variable, and wherein val attributes can also use the mode of " " addend word to quote any preamble node with just
The then content of expression formula mark, can also use the mode of " $ " plus title to quote any preamble parameter declaration node or variable declarations
The value of variable defined in node, the content of sky is replaced with if quoting content and being not present；
Function call node：The node states that a variate-value derives from the functional operation that app server internals are realized, node name
Referred to as val, attribute name are name variable, call:Fn attributes are the title of institute's call function, and validate is result legitimacy
Checking, on_validate_error are to verify the obstructed processing node that app servers jump to later, and the attribute is one
XPath expression formulas, it marked a node being located in regular configuration file；
Case and default nodes：In val nodes and param nodes, case nodes and default nodes can be included；case
Assignment, the entitled val of node, reg attributes represent the canonical table again for progress when node defined variable meets to specify canonical matching
Up to formula, val attributes represent the value newly covered；Default nodes are when preamble case nodes at the same level all mismatch with its val attribute
The value of value covering father node；
Exec nodes：Exec nodes are that task scheduling realizes the node that configuration processor is called, the entitled exec of node, cmd attributes
The command parameter of application program is performed required for representing, index attributes are marked for the calling of application program, redirect category
Property be an XPath expression formula, the value have matched one in regular configuration file processing node, app server implementations
The node is jumped to carry out the processing after application program launching；
Stdout nodes：Stdout nodes processing execution task correspond to the content of standard output after application program, without attribute,
Case child nodes can be included, case child nodes have reg attributes, and output content is matched and marked with regular expression, into
Work(matching and markd use $ adds sequence number or $ marking titles to be quoted, and app servers use after successful match
The child node of the case nodes continues with the output content；
Log nodes：Log nodes are similar with stdout nodes, but the content of its processing comes from what is exported in program process
Daily record；It must have path attributes to mark log path, son of the log nodes in the exec nodes redirect nodes pointed to
It can specify multiple in node, each path specifies different log path, and stdout can only be one, in addition two kinds
Node feature is consistent；
On_end nodes：When each tasks carrying is completed or is stopped, the child node of this on_end node can be performed；
On_index_error nodes：In the task of execution, if task index has repetition, then its xpath path specified
Content can be performed；
Progress nodes：The node can specify the progress of cur attributes expression current task, and max attributes specify current task
The maximum of progress, if the multiple subtasks performed simultaneously, app servers can carry out integrating computing；
Report nodes：The node sends result message to dispatch server；
Kill nodes：Directly terminate performing for task, with the index of index attribute appointed tasks；
Ref nodes：The node that the node jumps to the flow of execution where the xpath paths that its path attribute specifies, complete
Perform the follow-up nodes of ref again afterwards；
Group nodes：Its all child node is performed when going to this node；
In addition, in addition to recognition node is asked, what any node had a filter attributes has condition selection characteristic, can use thereafter
Else nodes carry out selective execution.
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| CN101582776A (en) * | 2008-05-15 | 2009-11-18 | 浙江大学 | Service charging method and service charging system |
| CN101610265A (en) * | 2009-07-24 | 2009-12-23 | 深圳市永达电子股份有限公司 | A kind of flow process recognition methods of Business Works |
| CN103559296A (en) * | 2013-11-04 | 2014-02-05 | 中国电子科技集团公司第四十一研究所 | XML-based parsing method for SCPI (The Standard Commands for Programmable Instruments) |
| CN104618433A (en) * | 2014-12-26 | 2015-05-13 | 国家电网公司 | ECA (Event-Condition-Action) rule based service combination method |
| CN106101090A (en) * | 2016-06-07 | 2016-11-09 | 中国建设银行股份有限公司 | Operational approach and rule engine system for regulation engine |
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| CN101582776A (en) * | 2008-05-15 | 2009-11-18 | 浙江大学 | Service charging method and service charging system |
| CN101610265A (en) * | 2009-07-24 | 2009-12-23 | 深圳市永达电子股份有限公司 | A kind of flow process recognition methods of Business Works |
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