CN109302459A - The service scheduling apparatus and method of service-oriented smart grid Dispatching Control System - Google Patents
The service scheduling apparatus and method of service-oriented smart grid Dispatching Control System Download PDFInfo
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Abstract
The invention discloses the service scheduling apparatus and method of a kind of service-oriented smart grid Dispatching Control System, wherein device includes: service establishment modular unit, for carrying out the standardization of format to the parameter and call relation that are used to involved service, parameterized template is formed；Wherein, being used to involved service is several, and single service indicates a function of smart grid Dispatching Control System, and each service is the background program that can be reused；Organizational tool unit is serviced, for carrying out operation requests for client, and service procedure is converted to after the operation of user is parsed according to parameterized template, generates service procedure file；Service establishment engine unit, for parsing and executing service procedure file, export new composite services to user according to parameterized template.It realizes on-demand flexible combination service, allows application developer by forming new composite services to the establishment combination of existing smart grid Dispatching Control System service, to meet new demand.
Description
Technical field
The present invention relates to services to work out, more particularly to a kind of service of service-oriented smart grid Dispatching Control System
Scheduling apparatus and method belong to power system information technical field.
Background technique
Enterprise SOA (SOA, Service Oriented Architecture) is in smart grid scheduling controlling
It is widely applied in system, by the way that function package at service, is realized the demand of business function.In the function using service realization business
When energy, single service is often unable to complete whole demands, it is necessary to it can be only achieved purpose by one group of mutual cooperation of service,
Service establishment (SO, Service Orchestration) is business function as the important method for realizing flexible, fast integration
It is integrated to provide effective support.
In Enterprise SOA, service establishment is completed by a central coordinator.This central coordinator is according to stream
Calling between the service of journey Coordination by planning difference, to complete set business function, and the service for participating in process is not aware that stream
The overall picture of journey.Services Composition language is exactly the language for working out the flow layout of service call, which also there is service to connect
Mouthful, it shows in the form of services, referred to as composite service.
Currently, Business Process Execution Language (BPEL, Business Process Execution usually used in industry
Language) establishment is serviced to realize.But existing Business Process Execution Language is also known as BPEL4WS(Business
Process Execution Language For Web Services), be aim at integrate Web Services and formulate one
Item codes and standards.For non-Web Services system as smart grid Dispatching Control System, then Business Stream is not available
Cheng Zhihang language carries out service establishment.Therefore the service for providing a kind of service-oriented smart grid Dispatching Control System is needed to compile
Method processed, to be preferably suitable for smart grid Dispatching Control System.
Summary of the invention
It is a primary object of the present invention to overcome deficiency in the prior art, provide a kind of service-oriented smart grid
The service scheduling apparatus and method of Dispatching Control System realize on-demand flexible combination service, application developer are led to
It crosses the establishment combination to existing smart grid Dispatching Control System service and forms new composite services, to meet new function
Demand.
In order to achieve the above object, the technical scheme adopted by the invention is that:
The present invention provides a kind of service scheduling apparatus of service-oriented smart grid Dispatching Control System, comprising:
Service establishment modular unit, for carrying out the specification of format to the parameter and call relation that are used to involved service
Change, forms parameterized template；Wherein, being used to involved service is several, and single service indicates smart grid scheduling controlling
One function of system, each service are the background programs being reused for completing different function for client by network；
Organizational tool unit is serviced, for carrying out operation requests for client, and the operation of user is carried out according to parameterized template
Service procedure is converted to after parsing, generates service procedure file；
Service establishment engine unit, for parsing and executing service procedure file, export new composite services according to parameterized template
To user.
The device of the invention is further arranged to: the format that the service establishment modular unit is defined using protobuf into
The description of professional etiquette generalized, including information on services, parameter list and three layer model；Wherein, information on services is to involved service
The information being described, parameter list define parameter information used in involved service, and three layer model defines group
Close the input and output parameter of service and the call relation of service.
The device of the invention is further arranged to: the information on services include Service name, serve port, service release number and
Service describing, the parameter information include parameter name, parameter ID, parameter type, parameter length and parameter value.
The device of the invention is further arranged to: the three layer model includes top layer, middle layer and bottom, wherein top layer
For describing the input parameter of composite services, middle layer is used to describe the calling information on services and call relation of composite services,
Bottom is used to describe the output parameter of composite services；The calling information on services includes the parameter in information on services and parameter information
Name, parameter type, parameter length and parameter value, that the call relation records is the parameter ID in parameter information.
The device of the invention is further arranged to: the service organizational tool unit includes visualization tool and generation service
Flow elements；
The visualization tool provides dragging means and allows user's energy for showing all involved services and data type
It is enough that the placement position of service is pulled, and setting call relation, and corresponding parameter ID is generated for each service, pass through
The similarities and differences of parameter ID value represent the relationship of parameter transmitting between the superior and the subordinate's service；
The generation service procedure unit is for providing a kind of mapping mode, and the content that visualization tool is shown is according to parameter
Template Map becomes service procedure file, and is saved.
The device of the invention is further arranged to: the service establishment engine unit includes reading unit, input area processing
Unit, service area processing unit and output area processing unit；
The reading unit is used for the service procedure file that reading service organizational tool unit generates, and according to service procedure file
Call parameters template；
The input area processing unit is used to request to parse according to parameterized template to the input area of client, and saves parsing
Parameter value afterwards；
The service area processing unit is used to carry out service execution to the service in every layer of service area layered, will execute
Service response information afterwards is saved according to parameterized template；
The output area processing unit is used for the extracting parameter value from service response information, according to parameterized template to the parameter of extraction
Value is encoded, and response results, that is, new composite services of establishment service are generated, and exports new composite services.
The present invention also provides a kind of service preparation method of service-oriented smart grid Dispatching Control System, including it is following
Step:
1) visual service establishment scene is shown by service organizational tool unit, the service work out scene display component and
Work out coverage；
Wherein, component is the data source for client drag operation, including parameter, service and process；Establishment coverage is
For the target area of client drag operation, including input area, service area and output area；
2) by the reading unit reading service flow file in service establishment engine unit, and according to service procedure file institute
The service procedure call parameters template of description；
Wherein, service procedure file is generated by service organizational tool unit, and parameterized template passes through service establishment modular unit shape
At；
3) client receives the drag operation of user, and parameter according to practical dragging selection parameter and is dragged to input by client
Area is dragged to output area according to practical dragging selection parameter and by parameter and selects service and process to drag according to practical pull
It is pulled to service area；
Wherein, the input area request of client is received and is deposited by the top layer of three layer model in service establishment modular unit
The service area request of storage, client is received and stored by the middle layer of three layer model in service establishment modular unit, visitor
The output area request at family end is received and stored by the bottom of three layer model in service establishment modular unit；
4) input area of client is requested according to parameterized template by the input area processing unit in service establishment engine unit
It is parsed, and saves the parameter value after parsing to parameter list；
Wherein, parameter list is formed by service establishment modular unit；
5) by the service area processing unit in service establishment engine unit to the service in every layer of service area layered
Service execution is carried out, the service response information after execution is saved according to parameterized template；
6) by the output area processing unit in service establishment engine unit, according to the content of parameter of output area, after execution
Extracting parameter value in service response information, as last service response as a result, according to parameterized template to the parameter value of extraction into
Row coding, generates response results, that is, new composite services of establishment service, and exports new composite services；
Wherein, extracting parameter value output parameter according to described in the bottom of three layer model in service establishment modular unit is from parameter
List carries out information extraction.
Method of the invention is further arranged to: the service procedure include parallel process, serial process, circulation process and
Branch's process, it is nested between different processes to place or tiling is placed；
Wherein, parallel process refers to the service in process while concurrently executing；Serial process refers to the service in process sequentially
It is serial to execute；Circulation process refers to the service executed in process serial first, and judgement is entered after the completion of the last one service execution
The execution of process, according to judge process implementing result determine be return circulation process starting end re-executed or moved back
The end of the circulation process out；Branch's process, which refers to, is first carried out judgement process, further according to judge process implementing result determine be
The no branch that enters executes.
Method of the invention is further arranged to: the service execution the specific steps are,
A) this layer of service is handled；
According to calling information on services and call relation tune described in the middle layer of three layer model in service establishment modular unit
With service；
B) parameter coding is inputted；
The parameter value after corresponding parsing is searched from parameter list according to itself input parameter of service, then according to the volume of service
Code mode encodes input parameter, by the parameter value write parameters list after coding；
C) positioning service and calling；
By information on services described in service establishment modular unit, the specific location of positioning service, and pass through smart grid
Service bus in Dispatching Control System realizes service call；
Wherein, the specific location of service includes IP address and serve port；
D) output parameter decoding, preservation intermediate result；
For it is being returned after service call as a result, i.e. service output content, according to the codec format of service serviced from
The decoding of body output parameter；Each output parameter is resolved into service output, and each output parameter of decomposition is saved in parameter
In list；
E) next layer of service is carried out, repeats step a) to step e)；
Until having executed all layers of service, the final parameter list for generating itself output parameter comprising all layers of service is to execute
Service response information afterwards.
Compared with prior art, the invention has the advantages that:
The service scheduling apparatus of the service-oriented smart grid Dispatching Control System of one kind provided by the invention and method, realization are pressed
Flexible combination service is needed, application developer is allowed to pass through the establishment to existing smart grid Dispatching Control System service
Combination forms new composite services, to meet new functional requirement.
Above content is only the general introduction of technical solution of the present invention, in order to better understand technological means of the invention, under
In conjunction with attached drawing, the invention will be further described in face.
Detailed description of the invention
Fig. 1 is the block diagram of service scheduling apparatus of the invention；
Fig. 2 is service organizational tool display diagram of the invention；
Fig. 3 is selection import of services Parameter Map of the invention；
Fig. 4 is establishment service execution process figure of the invention.
Specific embodiment
With reference to the accompanying drawings of the specification, the present invention is further illustrated.
The present invention provides a kind of service scheduling apparatus of service-oriented smart grid Dispatching Control System, as shown in Figure 1,
Include:
Service establishment modular unit, for carrying out the specification of format to the parameter and call relation that are used to involved service
Change, forms parameterized template；Wherein, being used to involved service is several, and single service indicates smart grid scheduling controlling
One function of system, each service are the background programs being reused for completing different function for client by network；
Organizational tool unit is serviced, for carrying out operation requests for client, and the operation of user is carried out according to parameterized template
Service procedure is converted to after parsing, generates service procedure file；
Service establishment engine unit, for parsing and executing service procedure file, export new composite services according to parameterized template
To user.
The service establishment modular unit carries out standardization description, including service letter using the format that protobuf is defined
Breath, parameter list and three layer model；The parameterized template of formation, as follows:
message Sot
{
required string sname = 1;
optional int port = 2;
optional int64 version = 3 [default = 1];
optional string desc = 4;
repeated Para paras = 5;
required Floor floors = 6;
}
Wherein, information on services is the information that involved service is described, and parameter list defines involved clothes
Parameter information used in being engaged in, three layer model define the input and output parameter of composite services and the calling of service
Relationship.
The information on services includes Service name, serve port, service release number and service describing, and the parameter information includes
Parameter name, parameter ID, parameter type, parameter length and parameter value.
For a design parameter, it is described in detail below shown:
message Para
{
required int64 id = 1;
optional string name = 2;
optional string type = 3;
optional int32 length = 4;
optional bytes value = 5;
}
The three layer model includes top layer, middle layer and bottom, is the model framework of service establishment modular unit, specifically describes
It is as follows:
message Floor
{
required TopFloor top = 1;
repeated MidFloor mid = 2;
required Bottom bot = 3;
}
Wherein, top layer is used to describe the input parameter of composite services, and middle layer is used to describe the calling information on services of composite services
And call relation, bottom are used to describe the output parameter of composite services；The calling information on services includes information on services and ginseng
Parameter name, parameter type, parameter length and parameter value in number information, what the call relation recorded is the ginseng in parameter information
Number ID.
Being described in detail below for middle layer is shown:
message MidFloor
{
optional int32 index = 1;
repeated WorkServer servers= 2;
required int32 ExeOrder = 3;
}
message WorkServer
{
optional int32 index = 1;
optional int32 type = 2 [default = 1];
required string name = 3;
repeated int64 inputIds = 4;
repeated int64 outputIds = 5;
optional EncodedMode incoding= 6;
optional EncodedMode outcoding= 7;
optional string node = 8;
optional int32 port = 9;
optional int32 timeout = 10[default = 60];
optional string protocol= 11;
}
The service organizational tool unit includes visualization tool and generation service procedure unit.
The visualization tool provides dragging means and allows use for showing all involved services and data type
Family can pull the placement position of service, and setting call relation, and generate corresponding parameter ID for each service,
The relationship of parameter transmitting between the superior and the subordinate's service is represented by the similarities and differences of parameter ID value.
For example: each service has 0 or multiple input/output parameters, and each parameter corresponds to a parameter ID；
If the parameter ID of two services is identical, illustrate relevant between the two.For example, service A, there are two output parameter, ID is respectively
1,2；B is serviced also there are two parameter is inputted, and ID is respectively 1,3；Then illustrate that the output parameter 1 for servicing A will be passed to service B, makees
For first parameter of its input.
The generation service procedure unit for providing a kind of mapping mode, the content that visualization tool is shown according to
Parameterized template mapping becomes service procedure file, and is saved.
The service establishment engine unit includes reading unit, input area processing unit, service area processing unit and output
Area's processing unit.
The reading unit is used for the service procedure file that reading service organizational tool unit generates, and according to service procedure
File call parameters template.
The input area processing unit is used to request to parse according to parameterized template to the input area of client, and saves
Parameter value after parsing.
The service area processing unit is used to carry out service execution to the service in every layer of service area layered, will
Service response information after execution is saved according to parameterized template.
The output area processing unit is used for the extracting parameter value from service response information, according to parameterized template to extraction
Parameter value is encoded, and response results, that is, new composite services of establishment service are generated, and exports new composite services.
The present invention also provides a kind of service preparation method of service-oriented smart grid Dispatching Control System, including it is following
Step:
1) visual service establishment scene is shown by service organizational tool unit, the service work out scene display component and
Coverage is worked out, as shown in Fig. 2, left side is the available component of user, right side is establishment coverage.
Wherein, component is the data source for client drag operation, including parameter, service and process；Work out service area
Domain is the target area for client drag operation, including input area, service area and the area of output area three；Three areas are figures
The display area of shape interface form, for client input operation, operation data is then stored in three layer model.
User selects component from left side, drags to the corresponding region on right side, and completes the association of inter-module, to realize clothes
The establishment for process of being engaged in.
Parameter component includes all fundamental type parameters, such as int, short, string, can also be on this basis
Define some compound type parameters being combined by fundamental type.
Serviced component includes registered service in all systems, and it is that user completes different function that service, which is by network,
The background program that can be reused.Service by service management center register complete service publishing process, service organizational tool from
Service management center obtains information on services, and is shown in serviced component.Information on services includes Service name, import of services output ginseng
The contents such as number.
A series of process of service executions is defined in flow component, such as parallel process, serial process, circulation process and point
Zhi Liucheng.Parallel process refers to the service in process while concurrently executing；Serial process refers to that the service in process is sequentially gone here and there
Row executes；Circulation process refers to the service executed in process serial first, and judgement stream is entered after the completion of the last one service execution
The execution of journey, according to judge process implementing result determine be return circulation process starting end re-executed or exited
The end of the circulation process；Branch's process, which refers to, is first carried out judgement process, decides whether further according to the implementing result for judging process
It is executed into branch.Can be mutually nested between each process, multiple strings are realized as serial process can be put into parallel process
Capable service and the parallel execution of other services；Parallel process can be put into circulation process to be made to service parallel execution.
The establishment coverage on right side is for defining specific service procedure, and input (output) area therein is for defining group
Close input (output) parameter of service.User can according to need pulls any number and type from the parameter component in left side
Parameter is put into input (output) area, input (output) parameter as composite services.Coded format file in input area needs
It wants user to select the coded format of an input/output argument, is that can carry out service parameter according to this document executing service procedure
Encoding and decoding.
Service area default is serial process, and user can select one or more needs from the flow component in left side
Process is put into service area, nested can place between process, can also tile placement.After placing process, user needs will service
Component is put into corresponding process, can place multiple services in a process, suitable according to the execution of flow specification between service
Sequence carries out.After placing service, user needs for the corresponding input parameter of services selection, as shown in figure 3, the input ginseng that can choose
Number includes the parameter of input area and the output parameter of top service.
2) by the reading unit reading service flow file in service establishment engine unit, and according to service procedure text
Service procedure call parameters template described in part, as shown in Figure 4.
Wherein, service procedure file is generated by service organizational tool unit, and parameterized template passes through service establishment template list
Member is formed.
3) client receives the drag operation of user, and client is dragged to defeated according to practical dragging selection parameter and by parameter
Enter area, be dragged to output area according to practical dragging selection parameter and by parameter and pull selection service and process according to practical
It is dragged to service area.
Wherein, the input area request of client is received simultaneously by the top layer of three layer model in service establishment modular unit
The service area request of storage, client is received and stored by the middle layer of three layer model in service establishment modular unit,
The output area request of client is received and stored by the bottom of three layer model in service establishment modular unit.
4) input area of client is requested according to parameter by the input area processing unit in service establishment engine unit
Template is parsed, and saves the parameter value after parsing to parameter list；Wherein, parameter list passes through service establishment modular unit
It is formed.
5) by the service area processing unit in service establishment engine unit in every layer of service area layered
Service carries out service execution, and the service response information after execution is saved according to parameterized template.
Wherein, service execution is specifically,
A) this layer of service is handled；
According to calling information on services and call relation tune described in the middle layer of three layer model in service establishment modular unit
With service；
B) parameter coding is inputted；
The parameter value after corresponding parsing is searched from parameter list according to itself input parameter of service, then according to the volume of service
Code mode encodes input parameter, by the parameter value write parameters list after coding；
C) positioning service and calling；
By information on services described in service establishment modular unit, the specific location of positioning service, and pass through smart grid
Service bus in Dispatching Control System realizes service call；
Wherein, the specific location of service includes IP address and serve port；
D) output parameter decoding, preservation intermediate result；
For it is being returned after service call as a result, i.e. service output content, according to the codec format of service serviced from
The decoding of body output parameter；Each output parameter is resolved into service output, and is tied each output parameter of decomposition as centre
Fruit is saved；
E) next layer of service is carried out, repeats step a) to step e)；
Until having executed all layers of service, the final parameter list for generating itself output parameter comprising all layers of service is to execute
Service response information afterwards.
6) by the output area processing unit in service establishment engine unit, according to the content of parameter of output area, from execution
Middle extracting parameter value in service response information afterwards, encodes according to parameter value of the parameterized template to extraction, generates establishment clothes
The composite services of response results of business, that is, new, and export new composite services.
Wherein, extracting parameter value according to service establishment modular unit in three layer model bottom described in output parameter from
Parameter list carries out information extraction.
The innovation of the invention consists in that realize that a business function needed the software of certain procedures development ability originally
Developer realizes by writing program, and the service preparation method that can be provided through the invention now, which not have program, to be opened
The personnel of hair ability also can directly realize same business function by interface operation；Moreover, realizing on-demand flexible combination clothes
Business allows application developer by being formed newly to the establishment combination of existing smart grid Dispatching Control System service
Composite services, to meet new functional requirement.
Basic principles and main features and advantage of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (9)
1. a kind of service scheduling apparatus of service-oriented smart grid Dispatching Control System characterized by comprising
Service establishment modular unit, for carrying out the specification of format to the parameter and call relation that are used to involved service
Change, forms parameterized template；Wherein, being used to involved service is several, and single service indicates smart grid scheduling controlling
One function of system, each service are the background programs being reused for completing different function for client by network；
Organizational tool unit is serviced, for carrying out operation requests for client, and the operation of user is carried out according to parameterized template
Service procedure is converted to after parsing, generates service procedure file；
Service establishment engine unit, for parsing and executing service procedure file, export new composite services according to parameterized template
To user.
2. the service scheduling apparatus of service-oriented smart grid Dispatching Control System according to claim 1, feature
Be: the service establishment modular unit carries out standardization description, including information on services, ginseng using the format that protobuf is defined
Ordered series of numbers table and three layer model；Wherein, information on services is the information that involved service is described, and parameter list defines
Parameter information used in involved service, three layer model define composite services input and output parameter, with
And the call relation of service.
3. the service scheduling apparatus of service-oriented smart grid Dispatching Control System according to claim 2, feature
Be: the information on services includes Service name, serve port, service release number and service describing, and the parameter information includes ginseng
Several, parameter ID, parameter type, parameter length and parameter value.
4. the service scheduling apparatus of service-oriented smart grid Dispatching Control System according to claim 3, feature
Be: the three layer model includes top layer, middle layer and bottom, wherein and top layer is used to describe the input parameter of composite services, in
Interbed is used to describe the calling information on services and call relation of composite services, and bottom is used to describe the output ginseng of composite services
Number；The calling information on services includes parameter name, parameter type, parameter length and parameter in information on services and parameter information
Value, that the call relation records is the parameter ID in parameter information.
5. the service scheduling apparatus of service-oriented smart grid Dispatching Control System according to claim 1, feature
Be: the service organizational tool unit includes visualization tool and generation service procedure unit；
The visualization tool provides dragging means and allows user's energy for showing all involved services and data type
It is enough that the placement position of service is pulled, and setting call relation, and corresponding parameter ID is generated for each service, pass through
The similarities and differences of parameter ID value represent the relationship of parameter transmitting between the superior and the subordinate's service；
The generation service procedure unit is for providing a kind of mapping mode, and the content that visualization tool is shown is according to parameter
Template Map becomes service procedure file, and is saved.
6. the service scheduling apparatus of service-oriented smart grid Dispatching Control System according to claim 1, feature
Be: the service establishment engine unit includes at reading unit, input area processing unit, service area processing unit and output area
Manage unit；
The reading unit is used for the service procedure file that reading service organizational tool unit generates, and according to service procedure file
Call parameters template；
The input area processing unit is used to request to parse according to parameterized template to the input area of client, and saves parsing
Parameter value afterwards；
The service area processing unit is used to carry out service execution to the service in every layer of service area layered, will execute
Service response information afterwards is saved according to parameterized template；
The output area processing unit is used for the extracting parameter value from service response information, according to parameterized template to the parameter of extraction
Value is encoded, and response results, that is, new composite services of establishment service are generated, and exports new composite services.
7. a kind of service preparation method of service-oriented smart grid Dispatching Control System, which is characterized in that including following step
It is rapid:
1) visual service establishment scene is shown by service organizational tool unit, the service work out scene display component and
Work out coverage；
Wherein, component is the data source for client drag operation, including parameter, service and process；Establishment coverage is
For the target area of client drag operation, including input area, service area and output area；
2) by the reading unit reading service flow file in service establishment engine unit, and according to service procedure file institute
The service procedure call parameters template of description；
Wherein, service procedure file is generated by service organizational tool unit, and parameterized template passes through service establishment modular unit shape
At；
3) client receives the drag operation of user, and parameter according to practical dragging selection parameter and is dragged to input by client
Area is dragged to output area according to practical dragging selection parameter and by parameter and selects service and process to drag according to practical pull
It is pulled to service area；
Wherein, the input area request of client is received and is deposited by the top layer of three layer model in service establishment modular unit
The service area request of storage, client is received and stored by the middle layer of three layer model in service establishment modular unit, visitor
The output area request at family end is received and stored by the bottom of three layer model in service establishment modular unit；
4) input area of client is requested according to parameterized template by the input area processing unit in service establishment engine unit
It is parsed, and saves the parameter value after parsing to parameter list；
Wherein, parameter list is formed by service establishment modular unit；
5) by the service area processing unit in service establishment engine unit to the service in every layer of service area layered
Service execution is carried out, the service response information after execution is saved according to parameterized template；
6) by the output area processing unit in service establishment engine unit, according to the content of parameter of output area, after execution
Extracting parameter value in service response information, as last service response as a result, according to parameterized template to the parameter value of extraction into
Row coding, generates response results, that is, new composite services of establishment service, and exports new composite services；
Wherein, extracting parameter value output parameter according to described in the bottom of three layer model in service establishment modular unit is from parameter
List carries out information extraction.
8. the service preparation method of service-oriented smart grid Dispatching Control System according to claim 7, feature
Be: the service procedure includes parallel process, serial process, circulation process and branch's process, and nesting is put between different processes
It sets or tiles placement；
Wherein, parallel process refers to the service in process while concurrently executing；Serial process refers to the service in process sequentially
It is serial to execute；Circulation process refers to the service executed in process serial first, and judgement is entered after the completion of the last one service execution
The execution of process, according to judge process implementing result determine be return circulation process starting end re-executed or moved back
The end of the circulation process out；Branch's process, which refers to, is first carried out judgement process, further according to judge process implementing result determine be
The no branch that enters executes.
9. the service preparation method of service-oriented smart grid Dispatching Control System according to claim 7, feature
Be: the service execution the specific steps are,
A) this layer of service is handled；
According to calling information on services and call relation tune described in the middle layer of three layer model in service establishment modular unit
With service；
B) parameter coding is inputted；
The parameter value after corresponding parsing is searched from parameter list according to itself input parameter of service, then according to the volume of service
Code mode encodes input parameter, by the parameter value write parameters list after coding；
C) positioning service and calling；
By information on services described in service establishment modular unit, the specific location of positioning service, and pass through smart grid
Service bus in Dispatching Control System realizes service call；
Wherein, the specific location of service includes IP address and serve port；
D) output parameter decoding, preservation intermediate result；
For it is being returned after service call as a result, i.e. service output content, according to the codec format of service serviced from
The decoding of body output parameter；Each output parameter is resolved into service output, and each output parameter of decomposition is saved in parameter
In list；
E) next layer of service is carried out, repeats step a) to step e)；
Until having executed all layers of service, the final parameter list for generating itself output parameter comprising all layers of service is to execute
Service response information afterwards.
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