CN112907198A - Service state circulation maintenance method and device and electronic equipment - Google Patents
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Abstract
The application discloses a service state flow maintenance method, a service state flow maintenance device and electronic equipment, which are used for at least solving the problem that the throughput of the whole service system is influenced by the existing service state flow maintenance mode. The method comprises the following steps: responding to target service operation of a specified service, and acquiring the current service state and service data of the specified service; searching a conversion strategy corresponding to the target business operation from a state machine instance pre-established for the specified business, wherein the state machine instance comprises business states related in a business process of the specified business and a conversion strategy between the business states, and the conversion strategy is used for indicating a conversion relation between the business states, a conversion condition and a corresponding relation between the business operations triggering the business state conversion; and performing state transfer maintenance on the service state of the specified service based on the searched conversion strategy and the current service state and service data of the specified service.
Description
Technical Field
The present application relates to the field of computer technologies, and in particular, to a method and an apparatus for maintaining a service state transition, and an electronic device.
Background
In the existing business development process, multiple business states are usually involved, and the circulation logic of the business states is usually scattered in codes, so that the business development process is influenced, and subsequent business personnel are difficult to quickly take over development projects. Therefore, how to maintain the circulation of the business state becomes an urgent problem to be solved.
At present, for the flow maintenance of the service state, the flow maintenance is mainly implemented based on a state machine, that is, in the service flow, a state machine instance is created for each service request, and the service state is maintained by calling the created state machine instance. However, when the service flow is complex and the service request is highly concurrent, the service state is maintained in the above manner, and a large number of complex state machine instances need to be created, which may affect the throughput of the entire service system, and cause frequent GC problems.
Disclosure of Invention
The embodiment of the application provides a service state flow maintenance method, a service state flow maintenance device and electronic equipment, and aims to at least solve the problem that the throughput of the whole service system is influenced by the existing service state flow maintenance mode.
In order to solve the technical problem, the embodiment of the application adopts the following technical scheme:
according to a first aspect of an embodiment of the present application, a method for maintaining a service state flow is provided, including:
responding to target service operation of a specified service, and acquiring the current service state and service data of the specified service;
searching a conversion strategy corresponding to the target business operation from a state machine instance pre-established for the specified business, wherein the state machine instance comprises business states related in a business process of the specified business and a conversion strategy between the business states, and the conversion strategy is used for indicating a conversion relation between the business states, a conversion condition and a corresponding relation between the business operations triggering the business state conversion;
and performing state transfer maintenance on the service state of the specified service based on the searched conversion strategy and the current service state and service data of the specified service.
Optionally, performing state transition maintenance on the service state of the specified service based on the searched transition policy and the current service state and service data of the specified service, including:
determining a conversion strategy of which the source state corresponding to the indicated conversion relation is consistent with the current service state of the specified service from the searched conversion strategies, and determining the conversion strategy as a target conversion strategy;
and if the service data meets the conversion condition indicated by the target conversion strategy, or the conversion condition corresponding to the indicated conversion relation does not exist in the target conversion strategy, updating the current service state of the specified service based on the target state corresponding to the conversion relation indicated by the target conversion strategy.
Optionally, the state machine instance further includes a service processing policy corresponding to the conversion policy, where the service processing policy is used to implement the conversion relationship indicated by the conversion policy;
before updating the current service state of the specified service based on the target state corresponding to the conversion relation indicated by the target conversion policy, the method further includes:
determining a service termination state of the designated service after executing a target service processing strategy corresponding to the target conversion strategy based on the current service state of the designated service and the service data;
updating the current service state of the specified service based on the target state corresponding to the conversion relation indicated by the target conversion strategy, wherein the updating comprises the following steps:
and under the condition that the termination service state is consistent with the target state corresponding to the conversion relation indicated by the target conversion strategy, updating the current service state of the specified service based on the target state corresponding to the conversion relation indicated by the target conversion strategy.
Optionally, before searching for the conversion policy corresponding to the target service operation from the state machine instance pre-established for the specified service, the method further includes:
acquiring preset service flow information of the specified service, wherein the preset service flow information comprises an initial state of the specified service, an execution sequence and a trigger condition of each service operation related to the service flow of the specified service;
determining an initial service state and a termination service state corresponding to each service operation based on the initial state of the designated service and the execution sequence of each service operation related to the designated service, wherein the initial service state corresponding to the service operation refers to the service state of the designated service before the service operation is executed on the designated service, and the termination service state corresponding to the service operation refers to the service state of the designated service after the service operation is executed on the designated service;
determining a conversion relation corresponding to each service operation based on the obtained initial service state and the termination service state corresponding to each service operation;
determining conversion conditions of conversion relations corresponding to the business operations based on the triggering conditions of the business operations;
and creating a state machine instance corresponding to the specified service based on the conversion relation corresponding to each service operation related to the service flow and the conversion condition of the conversion relation.
Optionally, one of the business operations corresponds to at least one conversion relationship and/or at least one conversion condition, and the correspondence between the business operations, the conversion relationships, and the conversion conditions is created based on a ListMultimap data structure.
Optionally, after creating the state machine instance corresponding to the specified service, the method further includes:
and generating a state transition diagram corresponding to the business process of the specified business based on the state machine instance corresponding to the specified business.
Optionally, the designated service comprises an order service.
According to a second aspect of the embodiments of the present application, there is provided a service state transition maintenance apparatus, including:
the first acquisition module is used for responding to the target service operation of the specified service and acquiring the current service state and the service data of the specified service;
the searching module is used for searching a conversion strategy corresponding to the target service operation from a state machine instance which is pre-established for the specified service, wherein the state machine instance comprises service states related in a service process of the specified service and a conversion strategy between the service states, and the conversion strategy is used for indicating a conversion relation between the service states, a conversion condition and a corresponding relation between the service operations for triggering service state conversion;
and the maintenance module is used for carrying out state transfer maintenance on the service state of the specified service based on the searched conversion strategy and the current service state and service data of the specified service.
Optionally, the maintenance module comprises:
a conversion strategy determining submodule for determining a conversion strategy from the searched conversion strategies, wherein the conversion strategy is determined to be a target conversion strategy, and the source state corresponding to the indicated conversion relation is consistent with the current service state of the specified service;
and the updating sub-module is used for updating the current service state of the specified service based on the target state corresponding to the conversion relation indicated by the target conversion strategy under the condition that the service data meets the conversion condition indicated by the target conversion strategy or the conversion condition corresponding to the indicated conversion relation does not exist in the target conversion strategy.
Optionally, the state machine instance further includes a service processing policy corresponding to the conversion policy, where the service processing policy is used to implement the conversion relationship indicated by the conversion policy;
the device further comprises:
a first determining module, configured to determine, based on the current service state of the specified service and the service data, a service termination state of the specified service after executing a target service processing policy corresponding to the target conversion policy;
and the updating sub-module is specifically configured to update the current service state of the specified service based on the target state corresponding to the conversion relationship indicated by the target conversion policy when the terminating service state is consistent with the target state corresponding to the conversion relationship indicated by the target conversion policy.
Optionally, the apparatus further comprises:
a second obtaining module, configured to obtain preset service flow information of the specified service, where the preset service flow information includes an initial state of the specified service, an execution sequence of each service operation related to a service flow of the specified service, and a trigger condition;
a second determining module, configured to determine, based on an initial state of the designated service and an execution sequence of each service operation related to the designated service, an initial service state and a termination service state corresponding to each service operation, where the initial service state corresponding to the service operation refers to a service state of the designated service before the service operation is performed on the designated service, and the termination service state corresponding to the service operation refers to a service state of the designated service after the service operation is performed on the designated service;
a third determining module, configured to determine, based on the obtained initial service state and the end service state corresponding to each service operation, a conversion relationship corresponding to each service operation;
the fourth determining module is used for determining the conversion condition of the conversion relation corresponding to each business operation based on the triggering condition of each business operation;
and the creating module is used for creating the state machine instance corresponding to the specified service based on the conversion relation and the conversion condition of the conversion relation corresponding to each service operation related to the service flow.
Optionally, one of the business operations corresponds to at least one conversion relationship and/or at least one conversion condition, and the correspondence between the business operations, the conversion relationships, and the conversion conditions is created based on a ListMultimap data structure.
Optionally, the apparatus further comprises:
and the generating module is used for generating a state transition diagram corresponding to the business process of the specified business based on the state machine instance corresponding to the specified business.
Optionally, the designated service comprises an order service.
According to a third aspect of embodiments of the present application, there is provided an electronic device comprising a processor, a memory, and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the method of the first aspect.
According to a fourth aspect of embodiments herein, there is provided a computer-readable storage medium, characterized in that the computer-readable storage medium stores thereon a computer program which, when executed by a processor, implements the steps of the method of the first aspect.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:
the method comprises the steps of creating a state machine example for an appointed service in advance, wherein the state machine example comprises a service state related in a service process of the appointed service and a conversion strategy between the service states, acquiring the conversion strategy corresponding to a target service operation from the corresponding state machine example under the condition of receiving the target service operation on the appointed service in the service process of the appointed service, and carrying out state flow maintenance on the service state of the appointed service based on the acquired conversion strategy, the current service state of the appointed service and service data. It can be seen that the flow between all the service states of a service is configured in the state machine instance created for that service, only the conversion relation, conversion condition and service operation between service states need to be maintained in the state machine instance, without the need to maintain the current traffic state of the traffic in the state machine instance, which is thus "stateless", further, in the business process of the business, by searching the state machine instance for the conversion strategy corresponding to the business operation executed for the business, the maintenance of business state circulation of the business can be realized, the whole business process can respond to all business operations aiming at the business by only creating one state machine instance, the maintenance of circulation among different business states is realized, the safety of the state machine instance thread can be improved, the performance of a business system is effectively improved, and the problem of frequent GC is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic flowchart of a service state flow maintenance method according to an embodiment of the present application;
fig. 2 is a schematic flowchart of another service state flow maintenance method according to an embodiment of the present application;
fig. 3 is a flowchart illustrating a method for creating a state machine instance according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a state machine implementation class provided in an embodiment of the present application;
fig. 5 is a state transition diagram corresponding to a service flow of a specific service provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a service state transition maintenance device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to solve the problem that the throughput and other performances of a service system are affected in the conventional service state flow maintenance method, embodiments of the present application provide a service state flow maintenance method, an apparatus and an electronic device. The service state flow maintenance method provided by the embodiment of the application can be executed by an electronic device, such as a server.
It should be understood that, in the embodiment of the present application, a state Machine refers to a Finite-state Machine (FSM), which is also called a Finite-state automaton (FSA), and is a mathematical computation model representing behaviors such as Finite states and transitions and actions between the states. When state transition occurs, the state before transition is called a source state, and the state after transition is called a target state.
In addition, the technical scheme provided by the embodiment of the application can be applied to service state flow maintenance under various different service scenes. Different services may have very large differences in service state enumeration and representation, so that only an abstract state can be determined in advance when state circulation maintenance is performed, and specific state representations can be separately and independently defined only in a specific service development stage.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Referring to fig. 1, a schematic flow chart of a service state flow maintenance method provided in an embodiment of the present application is shown, where the method includes the following steps:
s102, responding to the target service operation of the designated service, and acquiring the current service state and the service data of the designated service.
The designated service refers to any service that needs to perform service state circulation maintenance, and may specifically include, but is not limited to, an order service, a ticket service, and the like. The target service operation refers to an operation for performing service processing on a specified service. For example, taking a designated service as an order service as an example, the targeted service operations may include, for example and without limitation, creating an order, modifying an order, rejecting an order, paying an order, and the like.
The service data of the designated service refers to data related to a service flow of the designated service. For example, taking a specific service as an order service as an example, the service data of the specific service may include, but is not limited to, an order serial number, a creation time, a creator, an order content, and the like.
Specifically, the service system stores service data of a large number of services and current service states, and continuously updates the service data and the current service states in the service flow of each service. The current service state and the service data of the designated service can be acquired from the service system through the service identifier of the designated service.
S104, searching a conversion strategy corresponding to the target service operation from a state machine example pre-established for the specified service, wherein the state machine example of the specified service comprises a service state related in a service flow of the specified service and a conversion strategy between the service states.
The conversion strategy is used for indicating the conversion relation and the conversion condition among the service states and the corresponding relation among the service operations triggering the service state conversion.
Transition relationships between business states are used to indicate relationships between transitions from one state to another, where the state before the transition is referred to as the source state and the state after the transition is referred to as the destination state.
Business operations can be viewed as events in a state machine instance, which are events that trigger a transition in the business state. The service operation corresponding to the conversion relationship between the service states is an event for triggering the service to perform service state conversion according to the service relationship, so that the service is converted from the source state indicated by the conversion relationship to the target state indicated by the conversion relationship under the triggering of the event.
The conversion of the service states may be performed under a certain condition, where the conversion condition between the service states is a condition for determining whether to perform the service state conversion, and the conversion of the service states may be performed when the service data of the service satisfies the conversion condition between the service states. Certainly, in practical application, the conversion between two service states does not necessarily need the limitation of the conversion condition, that is, there may be a corresponding relationship or may not exist between the conversion relationship and the conversion condition, and the conversion relationship may be specifically set by user according to the actual service requirements.
In specific implementation, according to the service identifier of the specified service, the state machine instance created for the specified service can be obtained from the state machine factory in which a large number of different state machine instances are stored, and further, the transition policy corresponding to the target service operation can be obtained by traversing the state machine instance.
And S106, performing state transfer maintenance on the service state of the specified service based on the searched conversion strategy, the current service state of the specified service and the service data.
After the found conversion strategy, the state transfer maintenance can be carried out on the service state of the specified service according to the current service state and the service data of the specified service and by combining the conversion relation and the conversion condition indicated by the conversion strategy.
It is considered that a service operation may trigger the specified service to perform the service state transition according to a plurality of transition relationships, and part of the service state transition is performed only when the transition condition is satisfied. In an alternative embodiment, as shown in fig. 2, the step S106 may include:
s161, determining the conversion strategy of which the source state corresponding to the indicated conversion relation is consistent with the current service state of the specified service from the searched conversion strategies, and determining the conversion strategy as a target conversion strategy.
The source state of the transition relationship indicates the business state before the transition occurs and the target state of the transition relationship indicates the business state after the transition occurs. If the source state of a certain conversion relation is consistent with the current service state of the specified service, the conversion strategy to which the conversion relation belongs can be determined as the target conversion strategy.
And S162, if the service data of the specified service meets the conversion condition indicated by the target conversion strategy, or the conversion condition corresponding to the indicated conversion relation does not exist in the target conversion strategy, updating the current service state of the specified service based on the target state corresponding to the conversion relation indicated by the target conversion strategy.
Specifically, after determining the target conversion policy, for each target conversion policy, it may be determined whether a conversion condition corresponding to the indicated conversion relationship exists in the target conversion policy, and if the determination result is negative, it may be determined that the target service operation may directly trigger the state conversion indicated by the corresponding conversion relationship, and further, the current service state of the specified service may be updated to the target state corresponding to the conversion relationship, thereby completing the service state circulation maintenance corresponding to the target service operation; if the judgment result is negative, then, whether the service data of the specified service meets the conversion condition indicated by the target conversion strategy can be judged, if the judgment result is positive, the service state conversion can be determined, and further, the current service state of the specified service can be updated to the target state corresponding to the conversion relation.
It can be understood that, by taking a transition policy, in which a source state corresponding to an indicated transition relationship is consistent with a current service state of a specified service, from among transition policies corresponding to target service operations as a target transition policy, and then updating the current service state of the specified service according to a transition condition and a transition relationship indicated by the target transition policy, a flow of the service state of the specified service can be realized based on the transition relationship and the transition condition in a state machine instance, without maintaining the current service state of the service in the state machine instance, so that the state machine instance is "stateless".
Further, in order to ensure the accuracy and effectiveness of the service state flow, the state machine instance created for the specified service further includes a service processing policy corresponding to the transition policy, where the service processing policy may be regarded as an "Action" (Action) for implementing transition between two service states in the state machine instance, and a transition relationship indicated by the corresponding transition policy may be implemented by executing the service processing policy, that is, the service state of the specified service is transitioned from a source state indicated by the transition relationship to a target state indicated by the transition relationship. Correspondingly, as shown in fig. 2, before updating the current service state of the specified service based on the target state corresponding to the conversion relationship indicated by the target conversion policy, the service state flow maintenance method provided in the embodiment of the present application may further include: the correctness of the conversion relation is checked.
For example, as an implementation solution, before the current service state of the specified service is updated through the step S162, based on the current service state of the specified service and the service data, the terminating service state of the specified service after executing the target service processing policy corresponding to the target transition policy may be determined. If the obtained terminating service state of the specified service is consistent with the target state corresponding to the conversion relationship indicated by the target conversion policy, it may be determined that the conversion relationship indicated by the target conversion policy is correct and valid, and then the service state flow of the specified service may be maintained according to the conversion relationship, that is, in step S162, under the condition that the obtained terminating service state of the specified service is consistent with the target state corresponding to the conversion relationship indicated by the target conversion policy, the current service state of the specified service is updated based on the target state corresponding to the conversion relationship indicated by the target conversion policy.
It can be understood that, before the current service state of the specified service is updated according to the conversion relation indicated by the target conversion policy, the validity of the conversion relation is checked based on the target service processing policy corresponding to the target conversion policy, so that the service state flow of the specified service can be ensured to be correct and valid, and the service flow of the specified service can be ensured to be normally performed.
Further, in order to further ensure the correctness of the service state flow of the specified service, after the termination service state of the specified service is determined after the target service processing strategy corresponding to the target conversion strategy is executed, the termination service state of the specified service can be directly output, so that the service state flow of the specified service is started from the termination service state in the subsequent service flow.
Further, to further ensure the correctness of the service state flow of the specified service, the service state flow maintenance method provided in the embodiment of the present application may further include: and if the service data of the specified service does not meet the conversion condition indicated by the target conversion strategy and the conversion condition corresponding to the indicated conversion relation does not exist in the target conversion strategy, outputting the source state corresponding to the conversion relation indicated by the target conversion strategy so as to start to carry out service state circulation of the specified service from the source state in the subsequent service flow.
According to the service state circulation maintenance method provided by the embodiment of the application, a state machine example is created for the specified service in advance, the state machine example comprises the service state related in the service flow of the specified service and a conversion strategy between the service states, in the service flow of the specified service, under the condition of receiving the target service operation of the specified service, the conversion strategy corresponding to the target service operation is obtained from the corresponding state machine example, and the state circulation maintenance is carried out on the service state of the specified service based on the obtained conversion strategy, the current service state of the specified service and the service data. It can be seen that the flow between all the service states of a service is configured in the state machine instance created for that service, only the conversion relation, conversion condition and service operation between service states need to be maintained in the state machine instance, without the need to maintain the current traffic state of the traffic in the state machine instance, which is thus "stateless", further, in the business process of the business, by searching the state machine instance for the conversion strategy corresponding to the business operation executed for the business, the maintenance of business state circulation of the business can be realized, the whole business process can respond to all business operations aiming at the business by only creating one state machine instance, the maintenance of circulation among different business states is realized, the safety of the state machine instance thread can be improved, the performance of a business system is effectively improved, and the problem of frequent GC is avoided.
For the state machine example described in the foregoing embodiment, the embodiment of the present application further includes a method for creating the state machine example, and it should be noted that the method for creating the state machine example is performed in advance according to the service flow information of the corresponding service, for example, performed before step S102 or step S104, and the state machine example may be directly called in the service flow of the service to perform state flow maintenance on the service state of the service.
Specifically, a method for creating a state machine instance for a specific service is shown in fig. 3, and the method includes:
s302, acquiring preset service flow information of the specified service, wherein the preset service flow information comprises an initial state of the specified service, an execution sequence and a trigger condition of each service operation related to the service flow of the specified service.
The preset service flow information can be set by self-definition according to the actual service processing requirement of the specified service.
S304, based on the initial state of the designated service and the execution sequence of each service operation related to the designated service, determining the initial service state and the termination service state corresponding to each service operation.
The initial service state corresponding to the service operation refers to a service state of the designated service before the service operation is executed on the designated service. The service termination state corresponding to the service operation refers to a service state of the designated service after the service operation is executed on the designated service.
Specifically, from the initial state of the designated service, the service operations may be sequentially executed on the designated service according to the execution sequence of the service operations, and the initial service state and the terminating service state corresponding to each service operation may be determined based on the execution result of each service operation.
S306, determining the conversion conditions of the conversion relation corresponding to each business operation based on the trigger conditions of each business operation.
For example, if the initial service STATE corresponding to the service operation 1 is STATE1, the terminating service STATE is STATE2, and the triggering condition is EVENT1, the transition condition between the service STATEs STATE1 and STATE2 can be determined to be EVENT 1.
S308, based on the conversion relation and the conversion condition of the conversion relation corresponding to each business operation related to the business process, a state machine instance corresponding to the specified business is created.
Specifically, firstly, a state machine implementation class StateMachineImpl may be created, and an identifier machineId of a state machine instance and a conversion policy stateMap corresponding to all service operations related to a service flow of a specified service are defined in the state machine implementation class; then, a status class StateImpl < S, E > can be defined and the corresponding relation between the event and the conversion strategy, namely the corresponding relation between the business operation, the conversion relation and the conversion condition, can be defined in the status class; and finally, defining a conversion class transfinitImpl to realize a calling interface of the conversion strategy, and defining the conversion strategy in the conversion class, wherein the conversion strategy specifically comprises a source state sourceState, a target state targetState, a business operation Event triggering the conversion from the source state to the target state, a conversion condition, a business processing strategy Action for the conversion from the source state to the target state, and the like. Therefore, the establishment of the state machine instance of the specified service is completed, and when the service state flow of the specified service is maintained subsequently, the corresponding class can be directly called to use the state machine instance.
Further, the service operation, the conversion relationship and the conversion condition may be in a one-to-one correspondence relationship, or may be in a one-to-many relationship, that is, one service operation corresponds to at least one conversion relationship and/or at least one conversion condition. In this case, in order to implement the definition of the correspondence more conveniently in the state machine instance, in one implementable scheme, the correspondence between the business operations, the conversion relationships, and the conversion conditions may be created based on a ListMultimap data structure.
It should be noted that, in practical applications, more parameters may be defined in the state machine instance according to practical needs. For example, fig. 4 shows a schematic diagram of a state machine implementation class statemachinempl, where the state machine implementation class may include, in addition to an identification machineId and a transition policy stateMap of a state machine instance, an initial traffic state initialState specifying a traffic, a boolean value ready for indicating whether the state machine instance is available, a processing logic interface nomatchstring invoked when there is no transition policy corresponding to a traffic operation, and the like. The initial service state initialState of the specified service is used for conveniently describing a state machine instance and drawing a state transition diagram corresponding to a service flow of the specified service.
Therefore, the state machine implementation class realizes the interface Statemmachine, a fireEvent related method is used for triggering business operation, and a heavy load mode is adopted, and the realization of returning and not returning processing results is realized. The generatestateDiagram () method is used to generate a state transition diagram corresponding to the business process of the specified business.
Further, in the creating method implemented and provided by the application, after the state machine instance corresponding to the specified service is created, the state transition diagram corresponding to the service flow of the specified service can be generated based on the state machine instance corresponding to the specified service, so that related service personnel can conveniently and quickly acquire the service flow of the specified service based on the state transition diagram. In particular, the state transition diagram described above may be created by annotating @ StateConfig and @ EventConfig, which is a common approach in the art and is not expanded in detail here.
In addition, for the creation of the state transition diagram, the state transition diagram can be created through two ways, one way is that the state transition diagram is generated by directly increasing the grapeviz-java and stored locally in the electronic device executing the service state transition maintenance method, and the other way is that a plantauml statement file (such as IDEA) is generated and copied to the plantauml software or a webpage to obtain the state transition diagram.
For example, fig. 5 shows a STATE transition diagram corresponding to a business process of a specific business, where the STATE transition diagram reflects business STATEs involved in the business process of the specific business, including STATE1 to STATE4, and transition relationships between the business STATEs include: transition from traffic STATE1 to STATE2, transition from traffic STATE2 to STATE1, transition from traffic STATE1 to STATE3, transition from traffic STATE1 to STATE4, transition from traffic STATE2 to STATE3, transition from traffic STATE3 to STATE4, and flow within traffic STATE2 (i.e., a transition that occurs within a traffic STATE that does not cause a traffic STATE). The service operation triggering the specified service to be converted from the service STATE1 to the STATE2 is EVENT1, the service operation triggering the specified service to be converted from the service STATE2 to the STATE1 is EVENT2, the service operation triggering the specified service to be converted from the service STATE1 to the STATE3 is EVENT3, the service operations triggering the specified service to be converted from the service STATE1 to the STATE4, from the service STATE2 to the STATE4 and from the service STATE3 to the STATE4 are EVENT4, and the service operation triggering the specified service to be converted from the service STATE2 to the STATE2 is INTERNAL _ EVENT.
The embodiment of the present specification shows a specific implementation manner of the above steps S102 to S106. Of course, it should be understood that steps S102 to S106 may also be implemented in other manners, and this is not limited in this embodiment of the application. In addition, the embodiment of the present specification shows a specific implementation manner of the above steps S302 to S308. Of course, it should be understood that steps S302 to S308 may also be implemented in other manners, and this is not limited in this embodiment of the application.
The foregoing description has been directed to specific embodiments of this disclosure. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
Fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application. Referring to fig. 6, at a hardware level, the electronic device includes a processor, and optionally further includes an internal bus, a network interface, and a memory. The Memory may include a Memory, such as a Random-Access Memory (RAM), and may further include a non-volatile Memory, such as at least 1 disk Memory. Of course, the electronic device may also include hardware required for other services.
The processor, the network interface, and the memory may be connected to each other via an internal bus, which may be an ISA (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus, an EISA (Extended Industry Standard Architecture) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one double-headed arrow is shown in FIG. 6, but that does not indicate only one bus or one type of bus.
And the memory is used for storing programs. In particular, the program may include program code comprising computer operating instructions. The memory may include both memory and non-volatile storage and provides instructions and data to the processor.
The processor reads the corresponding computer program from the nonvolatile memory to the memory and then runs the computer program, and a service state circulation maintenance device is formed on a logic level. The processor is used for executing the program stored in the memory and is specifically used for executing the following operations:
responding to target service operation of a specified service, and acquiring the current service state and service data of the specified service;
searching a conversion strategy corresponding to the target business operation from a state machine instance pre-established for the specified business, wherein the state machine instance comprises business states related in a business process of the specified business and a conversion strategy between the business states, and the conversion strategy is used for indicating a conversion relation between the business states, a conversion condition and a corresponding relation between the business operations triggering the business state conversion;
and performing state transfer maintenance on the service state of the specified service based on the searched conversion strategy and the current service state and service data of the specified service.
The method executed by the service state flow maintaining device according to the embodiment shown in fig. 6 of the present application may be applied to a processor, or implemented by a processor. The processor may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.
The electronic device may also execute the method in fig. 1 and implement the functions of the service state flow maintenance apparatus in the embodiments shown in fig. 1 and fig. 2, which are not described herein again in this embodiment of the present application.
Of course, besides the software implementation, the electronic device of the present application does not exclude other implementations, such as a logic device or a combination of software and hardware, and the like, that is, the execution subject of the following processing flow is not limited to each logic unit, and may also be hardware or a logic device.
Embodiments of the present application also provide a computer-readable storage medium storing one or more programs, where the one or more programs include instructions, which when executed by a portable electronic device including a plurality of application programs, enable the portable electronic device to perform the method of the embodiment shown in fig. 1, and are specifically configured to:
responding to target service operation of a specified service, and acquiring the current service state and service data of the specified service;
searching a conversion strategy corresponding to the target business operation from a state machine instance pre-established for the specified business, wherein the state machine instance comprises business states related in a business process of the specified business and a conversion strategy between the business states, and the conversion strategy is used for indicating a conversion relation between the business states, a conversion condition and a corresponding relation between the business operations triggering the business state conversion;
and performing state transfer maintenance on the service state of the specified service based on the searched conversion strategy and the current service state and service data of the specified service.
Fig. 7 is a schematic structural diagram of a service state flow maintenance apparatus according to an embodiment of the present application. Referring to fig. 7, in a software implementation, the service state flow maintaining apparatus may include:
a first obtaining module 710, configured to obtain a current service state and service data of a specified service in response to a target service operation on the specified service;
a searching module 720, configured to search a conversion policy corresponding to the target service operation from a state machine instance pre-established for the specified service, where the state machine instance includes a service state related in a service flow of the specified service and a conversion policy between service states, and the conversion policy is used to indicate a conversion relationship between service states, a conversion condition, and a correspondence relationship between service operations triggering service state conversion;
and the maintenance module 730 is configured to perform state transition maintenance on the service state of the specified service based on the searched conversion policy and the current service state and service data of the specified service.
Optionally, the maintenance module comprises:
a conversion strategy determining submodule for determining a conversion strategy from the searched conversion strategies, wherein the conversion strategy is determined to be a target conversion strategy, and the source state corresponding to the indicated conversion relation is consistent with the current service state of the specified service;
and the updating sub-module is used for updating the current service state of the specified service based on the target state corresponding to the conversion relation indicated by the target conversion strategy under the condition that the service data meets the conversion condition indicated by the target conversion strategy or the conversion condition corresponding to the indicated conversion relation does not exist in the target conversion strategy.
Optionally, the state machine instance further includes a service processing policy corresponding to the conversion policy, where the service processing policy is used to implement the conversion relationship indicated by the conversion policy;
the device further comprises:
a first determining module, configured to determine, based on the current service state of the specified service and the service data, a service termination state of the specified service after executing a target service processing policy corresponding to the target conversion policy;
and the updating sub-module is specifically configured to update the current service state of the specified service based on the target state corresponding to the conversion relationship indicated by the target conversion policy when the terminating service state is consistent with the target state corresponding to the conversion relationship indicated by the target conversion policy.
Optionally, the apparatus further comprises:
a second obtaining module, configured to obtain preset service flow information of the specified service, where the preset service flow information includes an initial state of the specified service, an execution sequence of each service operation related to a service flow of the specified service, and a trigger condition;
a second determining module, configured to determine, based on an initial state of the designated service and an execution sequence of each service operation related to the designated service, an initial service state and a termination service state corresponding to each service operation, where the initial service state corresponding to the service operation refers to a service state of the designated service before the service operation is performed on the designated service, and the termination service state corresponding to the service operation refers to a service state of the designated service after the service operation is performed on the designated service;
a third determining module, configured to determine, based on the obtained initial service state and the end service state corresponding to each service operation, a conversion relationship corresponding to each service operation;
the fourth determining module is used for determining the conversion condition of the conversion relation corresponding to each business operation based on the triggering condition of each business operation;
and the creating module is used for creating the state machine instance corresponding to the specified service based on the conversion relation and the conversion condition of the conversion relation corresponding to each service operation related to the service flow.
Optionally, one of the business operations corresponds to at least one conversion relationship and/or at least one conversion condition, and the correspondence between the business operations, the conversion relationships, and the conversion conditions is created based on a ListMultimap data structure.
Optionally, the apparatus further comprises:
and the generating module is used for generating a state transition diagram corresponding to the business process of the specified business based on the state machine instance corresponding to the specified business.
Optionally, the designated service comprises an order service.
The service state circulation maintenance device provided by the embodiment of the application creates a state machine example for the specified service in advance, the state machine example comprises the service state related in the service flow of the specified service and a conversion strategy between the service states, in the service flow of the specified service, under the condition of receiving the target service operation of the specified service, the conversion strategy corresponding to the target service operation is obtained from the corresponding state machine example, and the state circulation maintenance is carried out on the service state of the specified service based on the obtained conversion strategy, the current service state of the specified service and the service data. It can be seen that the flow between all the service states of a service is configured in the state machine instance created for that service, only the conversion relation, conversion condition and service operation between service states need to be maintained in the state machine instance, without the need to maintain the current traffic state of the traffic in the state machine instance, which is thus "stateless", further, in the business process of the business, by searching the state machine instance for the conversion strategy corresponding to the business operation executed for the business, the maintenance of business state circulation of the business can be realized, the whole business process can respond to all business operations aiming at the business by only creating one state machine instance, the maintenance of circulation among different business states is realized, the safety of the state machine instance thread can be improved, the performance of a business system is effectively improved, and the problem of frequent GC is avoided.
In short, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
The systems, devices, modules or units illustrated in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. One typical implementation device is a computer. In particular, the computer may be, for example, a personal computer, a laptop computer, a cellular telephone, a camera phone, a smartphone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or a combination of any of these devices.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Claims (10)
1. A service state flow maintenance method is characterized by comprising the following steps:
responding to target service operation of a specified service, and acquiring the current service state and service data of the specified service;
searching a conversion strategy corresponding to the target business operation from a state machine instance pre-established for the specified business, wherein the state machine instance comprises business states related in a business process of the specified business and a conversion strategy between the business states, and the conversion strategy is used for indicating a conversion relation between the business states, a conversion condition and a corresponding relation between the business operations triggering the business state conversion;
and performing state transfer maintenance on the service state of the specified service based on the searched conversion strategy and the current service state and service data of the specified service.
2. The method according to claim 1, wherein performing state transition maintenance on the service state of the specified service based on the searched transition policy and the current service state and service data of the specified service comprises:
determining a conversion strategy of which the source state corresponding to the indicated conversion relation is consistent with the current service state of the specified service from the searched conversion strategies, and determining the conversion strategy as a target conversion strategy;
and if the service data meets the conversion condition indicated by the target conversion strategy, or the conversion condition corresponding to the indicated conversion relation does not exist in the target conversion strategy, updating the current service state of the specified service based on the target state corresponding to the conversion relation indicated by the target conversion strategy.
3. The method of claim 2, wherein the state machine instance further comprises a traffic handling policy corresponding to the transition policy, the traffic handling policy being configured to implement the transition relationship indicated by the transition policy;
before updating the current service state of the specified service based on the target state corresponding to the conversion relation indicated by the target conversion policy, the method further includes:
determining a service termination state of the designated service after executing a target service processing strategy corresponding to the target conversion strategy based on the current service state of the designated service and the service data;
updating the current service state of the specified service based on the target state corresponding to the conversion relation indicated by the target conversion strategy, wherein the updating comprises the following steps:
and under the condition that the termination service state is consistent with the target state corresponding to the conversion relation indicated by the target conversion strategy, updating the current service state of the specified service based on the target state corresponding to the conversion relation indicated by the target conversion strategy.
4. The method of claim 1, wherein prior to finding a transition policy corresponding to the target business operation from a state machine instance pre-established for the specified business, the method further comprises:
acquiring preset service flow information of the specified service, wherein the preset service flow information comprises an initial state of the specified service, an execution sequence and a trigger condition of each service operation related to the service flow of the specified service;
determining an initial service state and a termination service state corresponding to each service operation based on the initial state of the designated service and the execution sequence of each service operation related to the designated service, wherein the initial service state corresponding to the service operation refers to the service state of the designated service before the service operation is executed on the designated service, and the termination service state corresponding to the service operation refers to the service state of the designated service after the service operation is executed on the designated service;
determining a conversion relation corresponding to each service operation based on the obtained initial service state and the termination service state corresponding to each service operation;
determining conversion conditions of conversion relations corresponding to the business operations based on the triggering conditions of the business operations;
and creating a state machine instance corresponding to the specified service based on the conversion relation corresponding to each service operation related to the service flow and the conversion condition of the conversion relation.
5. The method according to claim 1, wherein one of said business operations corresponds to at least one transformation relation and/or at least one transformation condition, and wherein the correspondence between said business operations, said transformation relation and said transformation condition is created based on a ListMultimap data structure.
6. The method of claim 1, wherein after creating the state machine instance corresponding to the specified service, the method further comprises:
and generating a state transition diagram corresponding to the business process of the specified business based on the state machine instance corresponding to the specified business.
7. The method of claim 1, wherein the designated service comprises an order service.
8. A service state transition maintenance device, comprising:
the first acquisition module is used for responding to the target service operation of the specified service and acquiring the current service state and the service data of the specified service;
the searching module is used for searching a conversion strategy corresponding to the target service operation from a state machine instance which is pre-established for the specified service, wherein the state machine instance comprises service states related in a service process of the specified service and a conversion strategy between the service states, and the conversion strategy is used for indicating a conversion relation between the service states, a conversion condition and a corresponding relation between the service operations for triggering service state conversion;
and the maintenance module is used for carrying out state transfer maintenance on the service state of the specified service based on the searched conversion strategy and the current service state and service data of the specified service.
9. An electronic device comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the method according to any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, which computer program, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
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