CN110839079A - BI node execution method, device, equipment and medium in workflow system - Google Patents
BI node execution method, device, equipment and medium in workflow system Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
- H04L67/63—Routing a service request depending on the request content or context
Abstract
The invention discloses a method, a device, equipment and a medium for executing a Business Intelligence (BI) node in a workflow system, which relate to the field of financial science and technology, and the method comprises the following steps: a dispatcher corresponding to the workflow system executes a preposed node corresponding to the BI system to obtain a first result set in a corresponding table format; executing a BI node corresponding to a BI system according to the first result set to generate a second result set in a picture format; and sending the second result set to the BI node so that the BI node generates a third result set according to the second result set, and storing a job identifier corresponding to the third result set in context information corresponding to the workflow system. The invention reduces the difficulty and the cost of data transmission between the external systems corresponding to the workflow nodes, and reduces the error rate of data transmission between the external systems.
Description
Technical Field
The invention relates to the technical field of data processing of financial technology (Fintech), in particular to a BI node execution method, a BI node execution device, BI node execution equipment and BI node execution media in a workflow system.
Background
With the development of computer technology, more and more technologies are applied in the financial field, the traditional financial industry is gradually changing to financial technology (Fintech), and the data processing technology is no exception, but due to the requirements of the financial industry on safety and real-time performance, higher requirements are also put forward on the technology.
Workflow implementation of existing BI (Business Intelligence) systems relies mainly on the following approaches: after the front node of the BI node corresponding to the BI system is executed, a certain state is changed to be used as a signal for triggering the execution of the BI node (possibly in a mode of writing a certain file, sending a certain message to a queue, calling a certain interface, and the like). The front node is a node before the BI node in the workflow of the workflow system, and the back node is a node after the BI node in the workflow. The docking cost of the BI node and its front node and back node is too high, although the BI node and its front node and back node are on the same workflow, each node is an external system, data and code logic are isolated from each other, and only limited signal and data exchange can be performed through the implementation of some interfaces. For the prepositioned nodes which need to send signals to the BI nodes, an external system corresponding to each prepositioned node is required to specially realize the logic of one-time signal transmission, and the signal sending modes supported by the external system corresponding to each prepositioned node are different, so that the BI system has to adapt to signals in various forms as a signal receiving party, the complexity and the error probability are greatly enhanced, the complex logics have no benefit to the service logics of the BI system, and a large amount of development cost waste can be caused.
Therefore, in the workflow system, the data transmission difficulty between the corresponding nodes of different systems is high, the success rate is low, and the data transmission cost is high.
Disclosure of Invention
The invention mainly aims to provide a method, a device, equipment and a medium for executing a Business Intelligence (BI) node in a workflow system, and aims to solve the technical problems of high data transmission difficulty, low success rate and high data transmission cost among corresponding nodes of different systems in the conventional workflow system.
In order to achieve the above object, the present invention provides a BI node execution method in a workflow system, the BI node execution method in the workflow system including the steps of:
a dispatcher corresponding to the workflow system executes a preposed node corresponding to the BI system to obtain a first result set in a corresponding table format;
executing a BI node corresponding to a BI system according to the first result set to generate a second result set in a picture format;
and sending the second result set to the BI node so that the BI node generates a third result set according to the second result set, and storing a job identifier corresponding to the third result set in context information corresponding to the workflow system.
Preferably, the step of executing a BI node corresponding to the BI system according to the first result set to generate a second result set in a picture format includes:
extracting metadata in the first result set, and calling an execution interface of the BI system by using the metadata as a calling parameter;
updating the field name and the field type in the metadata to the view model information corresponding to the BI system through the execution interface, and updating the storage path of the first result set to the view content information corresponding to the BI system;
calling a display interface corresponding to the BI system to acquire instrument panel information corresponding to the BI system;
and triggering the execution of the instrument panel of the BI system according to the view model information, the view content information and the instrument panel information so as to execute the BI node corresponding to the BI system and generate a second result set in a picture format.
Preferably, before the step of extracting the metadata in the first result set and using the metadata as a call parameter to call an execution interface of the BI system, the method further includes:
and generating an interface calling request carrying the login state information of the BI system and sending the interface calling request to a gateway corresponding to the workflow system, so that after the gateway confirms that the login state information in the interface calling request is correct, the interface calling request is sent to the BI system, and an interface of the BI system is called according to the interface calling request.
Preferably, the step of executing the front node corresponding to the BI system by the scheduler corresponding to the workflow system to obtain the first result set in the corresponding table format includes:
a scheduler corresponding to the workflow system calls an execution method of a preposed node corresponding to a BI system, and calls an external system corresponding to the preposed node to execute a preset script according to the execution method to obtain an execution result set in a preset format;
the execution result set is converted to a first result set in a tabular format.
Preferably, the step of calling an external system corresponding to the front node according to the execution method to execute a preset script to obtain an execution result set in a preset format includes:
calling an execution interface of the external system corresponding to the preposed node according to the execution method, and writing a script name of a preset script corresponding to the preposed node into an execution request as a parameter through the execution interface;
and sending the execution request to an external system corresponding to the front node, so that the external system executes a preset script corresponding to the script name according to the execution request to obtain an execution result set in a preset format.
Preferably, before the step of executing a BI node corresponding to the BI system according to the first result set and generating the second result set in the picture format, the method further includes:
storing the first result set into a preset storage system;
when all preposed nodes corresponding to the BI system are detected to be in a successful state, determining a job identification corresponding to the preposed nodes;
and determining a storage path for storing the corresponding first result set according to the operation identification, and acquiring the corresponding first result set in the storage system according to the storage path.
Preferably, before the step of executing the front node corresponding to the BI system by the scheduler corresponding to the workflow system to obtain the first result set in the corresponding table format, the method further includes:
reading each node in the workflow system, and determining the execution sequence of each node according to the dependency relationship among the nodes;
and determining a front node corresponding to the BI system according to the execution sequence.
In addition, to achieve the above object, the present invention also provides a BI node execution apparatus in a workflow system, including:
the execution module is used for executing the preposed nodes corresponding to the BI system to obtain a first result set in a corresponding table format;
the generating module is used for executing the BI nodes corresponding to the BI system according to the first result set and generating a second result set in a picture format;
and the sending module is used for sending the second result set to the BI node so that the BI node can generate a third result set according to the second result set and store the job identification corresponding to the third result set in the context information corresponding to the workflow system.
In addition, to achieve the above object, the present invention further provides a BI node execution device in a workflow system, the BI node execution device in the workflow system includes a memory, a processor, and a BI node execution program in the workflow system stored on the memory and operable on the processor, and when executed by the processor, the BI node execution program in the workflow system implements the steps of the BI node execution method in the workflow system as described above.
In addition, to achieve the above object, the present invention also provides a computer readable storage medium, on which a BI node execution program in a workflow system is stored, which when executed by a processor implements the steps of the BI node execution method in the workflow system as described above.
The invention executes the preposed node corresponding to the BI system through the dispatcher corresponding to the workflow system to obtain the first result set corresponding to the table format, executes the BI node corresponding to the BI system according to the first result set to generate the second result set in the picture format, sends the second result set to the BI node to allow the BI node to generate the third result set according to the second result set, and stores the operation identification corresponding to the third result set in the context information corresponding to the workflow system, thereby changing the execution main body of the workflow system, in the prior art, the external systems corresponding to all the nodes in the workflow directly carry out data interaction, the workflow only plays the roles of concatenation and dispatching, the workflow is required to actively adapt to all the external systems, but the embodiment takes the workflow itself as the main role, the workflow of the workflow system is responsible for concatenation, and the dispatcher of the workflow system is responsible for dispatching, the resource sharing, data transmission and the like between the external systems corresponding to the nodes are realized, the external systems corresponding to the nodes do not need special logic for signal transmission, and signals in various forms do not need to be adapted, so that the difficulty and the cost of data transmission between the external systems corresponding to the workflow nodes are reduced, and the error rate of data transmission between the external systems is reduced because the external systems do not need to be adapted with the signals in various forms.
Drawings
FIG. 1 is a schematic flow chart diagram of a first embodiment of a method performed by a BI node in a workflow system of the present invention;
FIG. 2 is a schematic flow chart diagram illustrating a third embodiment of a method performed by a BI node in a workflow system of the present invention;
FIG. 3 is a block diagram illustrating the functionality of a preferred embodiment of a BI node execution apparatus in a workflow system of the present invention;
fig. 4 is a schematic structural diagram of a hardware operating environment according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic flow diagram illustrating a first embodiment of a BI node execution method in a workflow system according to the present invention.
While embodiments of the present invention provide embodiments of methods performed by a BI node in a workflow system, it should be noted that although a logical order is shown in the flow chart, in some cases, the steps shown or described may be performed in an order different than that shown.
The BI node execution method in the workflow system comprises the following steps:
step S10, the scheduler corresponding to the workflow system executes the front node corresponding to the BI system to obtain the first result set in the corresponding table format.
In the embodiment of the invention, the workflow system corresponds to a scheduler, the external system and the BI system both have corresponding nodes in the workflow system, and the nodes corresponding to the BI system are marked as BI nodes. In the workflow of the workflow system, a node before a BI node is referred to as a front node, and a node after the BI node is referred to as a rear node. It is understood that the BI system is also an external system to the workflow system. When the workflow system receives the execution instruction, the workflow system starts a scheduler of the workflow system, and the scheduler executes each node in the corresponding workflow according to the execution instruction according to a preset execution sequence. The scheduler executes a front node corresponding to the BI system, namely a node before the BI node in the workflow, to obtain a first result set in a corresponding table format. It should be noted that the execution of the instructions may be triggered by the user as desired, or by a timed task in the workflow system. And the scheduler schedules the corresponding nodes of each external system in the workflow system and executes the components of each node. There will be a corresponding first result set for each pre-node, but the specific ones of the first result sets entered into the BI nodes are determined by the execution method corresponding to the BI node. The first result set of the preceding node of the BI node, or the first result sets of the preceding three preceding nodes of the BI node, may be sent to the BI node, if possible.
Further, step S10 includes:
step a, a dispatcher corresponding to the workflow system calls an execution method of a preposed node corresponding to the BI system, and an external system corresponding to the preposed node is called to execute a preset script according to the execution method to obtain an execution result set in a preset format.
And b, converting the execution result set into a first result set in a table format.
Specifically, in the process of executing the front node, the scheduler of the workflow system calls an execution method of the front node corresponding to the BI system, and schedules an external system corresponding to the front node to execute a preset script according to the execution method, so as to obtain an execution result set in a preset format. It should be noted that, in the workflow of the workflow system, each node has a corresponding executor, each executor has a corresponding execution method, the execution method is preset, and the execution methods of different nodes may be different. The execution method is preset with a parameter generation method in the process of executing the preset script, a calling logic for calling the execution interface of the corresponding external system, a first result set adaptation logic and the like.
The executors are part of the scheduler, and one executor is one execution thread. The preset Script is preset in the execution method, and the preset format of the execution result set may be set according to specific needs, for example, the preset format may be set to a JSON (Java Script Object Notation) format, that is, a JSON-formatted execution result set is obtained, or the preset format may be set to a CSV (Comma-Separated Values). After the scheduler obtains the execution result set, the execution result set is converted into a first result set in a table format, that is, the execution result set is stored in the table format. In the first result set, the metadata is the field name and the field type corresponding to the execution result set, and the field value corresponding to each field exists in each line in the first result set, that is, one record is a line in the first result set. If there are a and B fields in the execution result set, the first record is a1 and B1, the first record is a2 and B2, a1 and a2 are field values corresponding to the a field, and B1 and B2 are field values corresponding to the B field, then in the first result set, a1 and B1 are a row in a table, and a2 and B2 are a row in a table.
Further, in the process of invoking the execution method of each node of the workflow by the scheduler, a corresponding job identifier is generated for each node, where the job identifier is an integer in this embodiment, and a user may set the job identifier as what integer according to specific needs. When the scheduler executes the front node again, the scheduler will increase the job identifier by 1, i.e. each time the scheduler executes a node, the job identifier corresponding to the node will be increased by 1. The job identification of a node in the workflow is globally unique, and the job identification is stored in context information of the workflow system.
Further, after the scheduler obtains the execution result set, the scheduler converts the execution result set into a table format preset in the workflow system to obtain a first result set in the table format, obtains a preset root directory, a user name and a job identifier corresponding to the front node, and generates a storage path of the first result set according to the root directory, the user name and the job identifier, that is, the storage path of the first result set is: root directory + username + job identification. And after the scheduler determines the storage path of the first result set, storing the first result set into the storage system according to the storage path. It can be understood that, in the workflow system, each front node has a corresponding user name, and in the workflow system, the root directories corresponding to the nodes are the same, that is, the root directories in all the first result set storage paths are the same, and the user names and the storage paths are different.
Further, the step of calling an external system corresponding to the front node according to the execution method to execute a preset script to obtain an execution result set in a preset format includes:
step b1, calling the execution interface of the external system corresponding to the preposed node according to the execution method, and writing the script name of the preset script corresponding to the preposed node as a parameter into the execution request through the execution interface.
Step b2, sending the execution request to an external system corresponding to the front node, so that the external system executes a preset script corresponding to the script name according to the execution request, and obtaining an execution result set in a preset format.
Specifically, after the scheduler calls the execution method corresponding to the front node, the scheduler calls an execution interface of the external system corresponding to the front node according to the execution method, determines a script name of a preset script corresponding to the front node through the execution method based on the execution interface, writes the obtained script name as a parameter into an execution request, and sends the execution request carrying the script name to the external system corresponding to the front node. After the external system receives the execution request, the scheduler acquires the script name in the execution request, and executes the preset script corresponding to the script name to obtain an execution result set in a preset format. Preferably, in this embodiment, the execution interface transmits data in an HTTP (Hyper Text Transfer Protocol) Protocol, and in other embodiments, the execution interface may also transmit data in other communication protocols.
It can be understood that each preset script has a corresponding script name, and a preset script can be uniquely determined by the script name, and the preset script can be stored in a corresponding external System in advance, or can be stored in a specific storage System, for example, can be stored in an HDFS (Hadoop Distributed File System), and the external System can obtain the corresponding preset script in the storage System by the script name, and then execute the obtained preset script to obtain an execution result set in a preset format.
For ease of understanding, the following description exemplifies the a node corresponding to Spark-SQL (Structured Query Language) system as the front node. And the scheduler calls an execution method of the executor of the node A to generate a job identifier, and the job identifier is globally unique. In this embodiment, each node in the workflow system stores entity information corresponding to the external system, where the entity information may be a storage path of a preset script, and when an execution request is sent to the external system, the storage paths of the preset script may be sent to the external system together, so that the external system can quickly find a folder storing the preset script according to the storage path, and then determine the corresponding preset script according to the script name, so as to improve the obtaining speed of obtaining the preset script.
If the node a stores a storage path "/user/client. SQL" of a preset script in the Spark-SQL system, a parameter generation method in the process of executing the preset script, a calling logic for calling an execution interface of a corresponding external system, a first result set adaptation logic, and the like are preset in an execution method of an executor corresponding to the node a. Calling an execution interface (HTTP protocol) of a Spark-SQL system through an execution method of the A node executor, and putting the script name as a parameter into an HTTP execution request. After receiving the execution request, the Spark-SQL system executes the corresponding preset script (e.g. executes select from the students), obtains the execution result set, e.g. the content of the execution result set is two fields of name and score of the students table and the field values corresponding to the two fields, converts the execution result set into JSON format, puts the JSON format in the response of HTTP and returns the JSON format to the scheduler, so that the scheduler obtains the execution result set, e.g. the execution result set is { columns [ "name", "score" ], rows [ "wangming", "90" ], [ "xiaozhang", "92 ] ]. The scheduler converts the execution result set in the format of { columns [ "name", "score" ], rows [ "wangming", "90" ], [ "xiaozhang", "92 ] ] } JSON into a field value with the type of table, metadata including a field with the name of name type string and the name of score type number, and two rows of field values of" wangming "," 90 and "xiaozhang", respectively, and "92", i.e. the execution result set is converted into the first result set in the format of table.
And step S20, executing a BI node corresponding to the BI system according to the first result set, and generating a second result set in a picture format.
And after the scheduler obtains the first result set, the scheduler schedules an execution method of the BI system corresponding to the BI node executor, and executes the execution method according to the first result set to generate a second result set in a picture format.
Further, step S20 includes:
and c, extracting metadata in the first result set, and calling an execution interface of the BI system by using the metadata as a calling parameter.
And d, updating the field name and the field type in the metadata to the view model information corresponding to the BI system through the execution interface, and updating the storage path of the first result set to the view content information corresponding to the BI system.
Specifically, the scheduler extracts metadata in the first result set, calls an execution interface of the BI system by using the metadata as a call parameter, updates a field name and a field type in the metadata to view model information corresponding to the BI system through the execution interface to obtain updated view model information, acquires a storage path of the first result set, and updates the storage path of the first result set to view content information of a view corresponding to the BI system to obtain updated view content information. The view model information and the view content information are preset, filling positions corresponding to field names and field types are set in the view model information, and the scheduler only needs to fill the field names and the field types in the corresponding filling positions in the view model information; the filling positions of the storage paths are set in the view content information, and the scheduler only needs to fill the storage paths into the corresponding filling paths in the view content information. As in the above example, the field names are "name" and "number", and the field type corresponding to "name" is "string"; the field type corresponding to "number" is "score". The execution interface may be represented as a/api/rest _ s/v 1/vanogh/views/{ id } interface.
And e, calling a display interface corresponding to the BI system to acquire instrument panel information corresponding to the BI system.
And after the scheduler obtains the first result set, the scheduler calls a display interface corresponding to the BI system, and acquires instrument panel information corresponding to the BI system through the display interface, wherein the instrument panel information includes but is not limited to instrument panel identification, view identification and item name. Specifically, the dispatcher finds a JSON object corresponding to the dashboard through the dashboard identifier, and obtains the view identifier from the JSON object. In this embodiment, the representation forms of the dashboard identifier and the view identifier are not limited, each BI system has a corresponding dashboard identifier, the view identifier is used to represent a view corresponding to the second result set, the item name is a name of an item corresponding to the second result set, and the item name is included in the second result set in the picture format. For example, the display interface can be/api/rest _ s/v 1/vanogh/display interface.
And f, triggering the execution of the instrument panel of the BI system according to the view model information, the view content information and the instrument panel information so as to execute the BI node corresponding to the BI system and generate a second result set in a picture format.
And when the scheduler acquires the instrument panel information, the updated view model information and the updated view content information, the scheduler acquires a field value corresponding to the field name in the updated view model information according to the updated view content information, and the field type of the field value is determined by the field type corresponding to the field name in the updated view model information. It should be noted that there is a storage path for storing the first result set in the updated view content information, and data required for generating the second result set, that is, a field value corresponding to the field name, may be acquired in the storage system according to the storage path and the field name and field type in the updated view model information.
And after the scheduler acquires the field value corresponding to the field name, the scheduler triggers the execution of the instrument panel of the BI system according to the instrument panel information, namely executes the BI node corresponding to the BI system to generate a second result set in a picture format. Specifically, the scheduler identifies a view interface to be scheduled according to a dashboard in the dashboard information, and then triggers execution of a graph corresponding to the dashboard identifier through the view interface, so as to generate a second result set containing the project name and the view identifier according to a field value corresponding to the acquired field name. The second result set may be represented in the shape of a histogram or a pie chart, and the picture Format of the second result set includes, but is not limited to, PNG (Portable Network Graphics), BMP (BitMaP), and TIF (Tag Image File Format). The view interface can be represented as/api/rest _ s/v 1/vanogh/display/{ id }/preview interface.
Step S30, sending the second result set to the BI node, so that the BI node generates a third result set according to the second result set, and stores the job identifier corresponding to the third result set in the context information corresponding to the workflow system.
And after the dispatcher obtains the second result set, the dispatcher sends the second result set to the BI node through the HTTP interface. And after the BI node receives the second result set, the BI node generates a third result set according to the second result set, namely, the second result set in the picture format is read as a coded text to obtain the third result set. Preferably, the third result set is Base64 encoded text, and in other embodiments, the third result set may be other forms of encoded text. Base64 is one of the most common encoding methods for transmitting 8-Bit byte codes on a network, and Base64 is a method for representing binary data based on 64 printable characters. In the third result set, the metadata information is the result set type, field related information, and encoded text. Specifically, if the second result set is in the PNG picture format, the result set type of the metadata information of the third result set is PNG; the field related information in the third result set is null; if the third result set is Base64 encoded text, the encoded text in the third result set has a value of one line of Base64 encoded text.
And after the BI node obtains the third result set, the BI node obtains a job identifier corresponding to the BI node, and stores the job identifier in context information corresponding to the workflow system. And the BI node acquires the user name of the BI node, and generates a storage path according to the root directory, the user name and the job identifier, wherein the storage path is as follows: and storing the third result set into the storage system according to the storage path by the root directory + the user name + the operation identification. It should be noted that the user name and the job id in the third result set are stored as the user name and the job id of the BI node. It can be understood that, in the present embodiment, the job identifiers of the nodes in the workflow are all stored in the context information of the workflow system, so that the job identifiers of the nodes are uniformly maintained through the context information.
It is understood that, after the scheduler executes the BI node, the scheduler calls the execution method of the BI node corresponding to the post node, and executes the post node according to the third result set.
In this embodiment, a dispatcher corresponding to a workflow system executes a front node corresponding to a BI system to obtain a first result set corresponding to a table format, executes a BI node corresponding to the BI system according to the first result set to generate a second result set in a picture format, and sends the second result set to the BI node, so that the BI node generates a third result set according to the second result set, and stores a job identifier corresponding to the third result set in context information corresponding to the workflow system, thereby changing an execution subject of the workflow system, in the prior art, an external system corresponding to each node in a workflow directly performs data interaction, the workflow only plays a role in concatenation and scheduling, and the workflow is required to actively adapt to each external system, but the workflow itself is dominant in the embodiment, the workflow of the workflow system is responsible for concatenation, and the dispatcher of the workflow system is responsible for scheduling, the resource sharing, data transmission and the like between the external systems corresponding to the nodes are realized, the external systems corresponding to the nodes do not need special logic for signal transmission, and signals in various forms do not need to be adapted, so that the difficulty and the cost of data transmission between the external systems corresponding to the workflow nodes are reduced, and the error rate of data transmission between the external systems is reduced because the external systems do not need to be adapted with the signals in various forms.
Further, in this embodiment, the workflow system provides a uniform interface for the external system to access, and when the external system succeeds in accessing one node of the workflow, the external system can adapt to the workflow system only by the interface logic specified by the workflow frame preset in the workflow system, thereby reducing the difficulty in adapting between the external system and the workflow system. In the workflow system, a system integration method of an interactive page hierarchy is provided, so that a user can seamlessly jump to a page of a BI system on the same page when editing workflow nodes in the workflow system. After completing a series of operations in the BI system, return to the page of the workflow system.
Further, a second embodiment of the method for BI node execution in a workflow system of the present invention is presented.
The second embodiment of the method for executing a BI node in a workflow system is different from the first embodiment of the method for executing a BI node in a workflow system in that the method for executing a BI node in a workflow system further includes:
and f, generating an interface calling request carrying the login state information of the BI system and sending the interface calling request to a gateway corresponding to the workflow system, so that after the gateway confirms that the login state information in the interface calling request is correct, the interface calling request is sent to the BI system, and the interface of the BI system is called according to the interface calling request.
Before the dispatcher executes the BI node, the dispatcher generates an interface calling request carrying the BI system login state information and sends the interface calling request to a gateway corresponding to the workflow system. The login state information can be a specific identifier, and the login state information of different external systems is inconsistent. When a BI system accesses the workflow system as a BI node, the workflow system stores the login state information of the BI system. After the gateway receives the interface calling request, the gateway acquires login state information in the interface calling request, if the acquired login state information is consistent with the login state information stored in the gateway, the login state information in the interface calling request is determined to be correct, and the interface calling request is sent to the BI system so as to call an interface of the BI system according to the interface calling request; if the obtained login state information is inconsistent with the login state information stored in the gateway, the gateway determines that the login state information in the interface calling request is wrong, and does not send the interface calling request to the BI system. Note that the gateway stores registration state information of each external system. The interface call request may be an HTTP request.
Specifically, the scheduler may calculate a hash value of the login state information, and add the hash value of the login state information to the interface call request. Preferably, the scheduler may calculate the hash value of the login state information through MD5(Message Digest Algorithm), and in other embodiments, the scheduler may calculate the hash value of the login state information through other methods for calculating the hash value. When the gateway receives the interface calling request, the gateway acquires a hash value in the interface calling request and calculates the hash value of the stored login state information, and if the hash value in the interface calling request is consistent with the calculated hash value, the gateway determines that the login state information in the interface calling request is correct; if the hash value in the interface calling request is not consistent with the calculated hash value, the gateway determines that the login state information in the interface calling request is wrong. The calculation method for the gateway to calculate the hash value of the registered state information coincides with the calculation method for the scheduler to calculate the hash value of the registered state information.
In the embodiment, the interface call from the workflow system to the BI system is performed by accessing the gateway where the workflow system is located by the BI system, and the interface call from the workflow system to the BI system is not performed in a direct point-to-point call mode, but the gateway identifies the interface call request after uniformly requesting the gateway service first, so as to determine whether to send the interface call request to the BI system.
Further, the BI node execution method in the workflow system further includes:
and g, storing the first result set into a preset storage system.
And h, determining the operation identification corresponding to the preposed nodes after detecting that all the preposed nodes corresponding to the BI system are in a successful state.
Step i, determining a storage path for storing a corresponding first result set according to the operation identification, and acquiring the corresponding first result set in the storage system according to the storage path.
And after the scheduler obtains the first result set, the scheduler stores the first result set into a preset storage system, specifically, the scheduler obtains a user name and a job identification corresponding to the front node, determines a storage path for storing the first result set according to the root directory, the user name and the job identification, and stores the corresponding first result set into the preset storage system according to the storage path. It can be understood that, because the user names and the job identifications corresponding to the front nodes are not consistent, the storage paths corresponding to the first result sets are also not consistent.
The scheduler detects whether all the front nodes corresponding to the BI system are in a success state. It is understood that when the first result set corresponding to the front-end node is obtained, the front-end node is in the success state. And if the scheduler detects that all the prepositive nodes are in a successful state, the scheduler acquires the job identification corresponding to the prepositive nodes from the context information corresponding to the workflow system, determines a storage path for storing the corresponding first result set according to the job identification, and acquires the first result set corresponding to the job identification in the storage system according to the storage path.
In the embodiment, the first result set obtained by the scheduler executing the front node is stored in the storage system, and the job identifier corresponding to the front node is stored in the context information of the workflow system, so that when the BI node is executed according to the first result set, a user does not need to manually record the relevant information of the external system corresponding to the front node and input the relevant information into the BI system corresponding to the BI node, the condition that the relevant information of the external system is input incorrectly in the process of executing the BI node is reduced, the success rate of executing the BI node is improved, and the sense of separation between the external systems used by the user is reduced.
Further, a third embodiment of the BI node implementation method in the workflow system of the present invention is presented.
The third embodiment of the BI node execution method in the workflow system differs from the first and/or second embodiment of the BI node execution method in the workflow system in that, referring to fig. 2, the BI node execution method in the workflow system further includes:
and step S40, reading each node in the workflow corresponding to the workflow system, and determining the execution sequence of each node according to the dependency relationship among the nodes.
And step S50, determining the corresponding front nodes of the BI system according to the execution sequence.
After the scheduler receives the execution instruction, the scheduler reads each node in the workflow corresponding to the workflow system, determines the execution sequence of each node according to the dependency relationship among the nodes, and determines the front node corresponding to the BI system according to the execution sequence. Wherein, the dependency relationship among the nodes is preset. The nodes without any pre-dependencies execute first and the nodes without any post-dependencies execute last, it being understood that the node without any pre-dependencies is the first node in the workflow and the node without any post-dependencies is the last node in the workflow. The front node is the node in the workflow that precedes the BI node. It should be noted that, in the workflow, the nodes behind the workflow are executed only after the nodes in front of the workflow are in the success state. In the workflow, there may be a plurality of nodes executing simultaneously as long as the execution condition of the corresponding node is satisfied. During the process that the scheduler executes each node in the workflow, the scheduler calls the execution method of the corresponding node.
In the embodiment, the execution sequence of each node is determined according to the dependency relationship among the nodes in the workflow, and the front node corresponding to the BI system is determined according to the execution sequence, so that when the front nodes are in the execution success state, the BI node corresponding to the BI system is executed, and the BI node is executed.
In addition, referring to fig. 3, the present invention also provides a BI node execution apparatus in a workflow system, including:
the execution module 10 is configured to execute a front-end node corresponding to the BI system to obtain a first result set in a corresponding table format;
a generating module 20, configured to execute a BI node corresponding to the BI system according to the first result set, and generate a second result set in a picture format;
a sending module 30, configured to send the second result set to the BI node, so that the BI node generates a third result set according to the second result set, and stores a job identifier corresponding to the third result set in context information corresponding to the workflow system.
Further, the generating module 20 includes:
the extraction unit is used for extracting the metadata in the first result set and calling an execution interface of the BI system by using the metadata as a calling parameter;
the updating unit is used for updating the field names and the field types in the metadata to the view model information corresponding to the BI system through the execution interface and updating the storage path of the first result set to the view content information corresponding to the BI system;
the first calling unit is used for calling a display interface corresponding to the BI system to acquire instrument panel information corresponding to the BI system;
and the generating unit is used for triggering the execution of the instrument panel of the BI system according to the view model information, the view content information and the instrument panel information so as to execute the BI node corresponding to the BI system and generate a second result set in a picture format.
Further, the generating module 20 is further configured to generate an interface call request carrying the login state information of the BI system and send the interface call request to a gateway corresponding to the workflow system, so that after the gateway confirms that the login state information in the interface call request is correct, the interface call request is sent to the BI system, and an interface of the BI system is called according to the interface call request.
Further, the execution module 10 includes:
the second calling unit is used for calling the execution method of the preposed node corresponding to the BI system by the dispatcher corresponding to the workflow system;
the execution unit is used for calling an external system corresponding to the front node according to the execution method to execute a preset script to obtain an execution result set in a preset format;
a conversion unit, configured to convert the execution result set into a first result set in a table format.
Further, the execution unit includes:
the calling subunit is used for calling an execution interface of the external system corresponding to the preposed node according to the execution method, and writing the script name of the preset script corresponding to the preposed node as a parameter into an execution request through the execution interface;
and the sending subunit is configured to send the execution request to an external system corresponding to the front node, so that the external system executes a preset script corresponding to the script name according to the execution request, and obtains an execution result set in a preset format.
Further, the BI node execution apparatus in the workflow system further includes:
the storage module is used for storing the first result set into a preset storage system;
the first determining module is used for determining the operation identification corresponding to the preposed node after detecting that all the preposed nodes corresponding to the BI system are in the successful state; determining a storage path for storing a corresponding first result set according to the operation identification;
and the acquisition module is used for acquiring the corresponding first result set in the storage system according to the storage path.
Further, the BI node execution apparatus in the workflow system further includes:
the reading module is used for reading each node in the workflow system;
the second determining module is used for determining the execution sequence of each node according to the dependency relationship among the nodes; and determining a front node corresponding to the BI system according to the execution sequence.
It should be noted that, the embodiments of the BI node execution apparatus in the workflow system are substantially the same as the embodiments of the BI node execution method in the workflow system, and are not described in detail herein.
In addition, the invention also provides BI node execution equipment in the workflow system. As shown in fig. 4, fig. 4 is a schematic structural diagram of a hardware operating environment according to an embodiment of the present invention.
It should be noted that fig. 4 is a schematic diagram of a hardware operating environment of a BI node execution device in the workflow system. The BI node execution equipment in the workflow system of the embodiment of the invention can be terminal equipment such as a PC, a portable computer and the like.
As shown in fig. 4, the BI node execution device in the workflow system may include: a processor 1001, such as a CPU, a memory 1005, a user interface 1003, a network interface 1004, a communication bus 1002. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Optionally, the BI node performing device in the workflow system may further include a camera, a Radio Frequency (RF) circuit, a sensor, an audio circuit, a WiFi module, and the like.
Those skilled in the art will appreciate that the BI node execution facility architecture in the workflow system illustrated in FIG. 4 does not constitute a limitation of the BI node execution facility in the workflow system, and may include more or fewer components than illustrated, or combine certain components, or a different arrangement of components.
As shown in fig. 4, the memory 1005, which is a kind of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and a BI node execution program in the workflow system. The operating system is a program for managing and controlling the hardware and software resources of the BI node execution equipment in the workflow system, and supports the operation of the BI node execution program and other software or programs in the workflow system.
In the BI node implementation device in the workflow system shown in fig. 4, the user interface 1003 is mainly used for connecting a client and performing data communication with the client; the network interface 1004 is mainly used for the background server and performs data communication with the background server; the processor 1001 may be configured to invoke a BI node execution program in the workflow system stored in the memory 1005 and perform the steps of the BI node execution method in the workflow system as described above.
The specific implementation of the BI node execution device in the workflow system of the present invention is substantially the same as the embodiments of the BI node execution method in the workflow system, and will not be described herein again.
Furthermore, an embodiment of the present invention further provides a computer-readable storage medium, where a BI node execution program in a workflow system is stored on the computer-readable storage medium, and when executed by a processor, the BI node execution program in the workflow system implements the steps of the BI node execution method in the workflow system as described above.
The specific implementation of the computer-readable storage medium of the present invention is substantially the same as the embodiments of the BI node execution method in the workflow system, and will not be described herein again.
It should be noted that, in this document, 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 above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A Business Intelligence (BI) node execution method in a workflow system, the BI node execution method in the workflow system comprising the steps of:
a dispatcher corresponding to the workflow system executes a preposed node corresponding to the BI system to obtain a first result set in a corresponding table format;
executing a BI node corresponding to a BI system according to the first result set to generate a second result set in a picture format;
and sending the second result set to the BI node so that the BI node generates a third result set according to the second result set, and storing a job identifier corresponding to the third result set in context information corresponding to the workflow system.
2. The BI node execution method of claim 1, wherein the step of executing the BI node corresponding to the BI system based on the first result set to generate the second result set in the picture format comprises:
extracting metadata in the first result set, and calling an execution interface of the BI system by using the metadata as a calling parameter;
updating the field name and the field type in the metadata to the view model information corresponding to the BI system through the execution interface, and updating the storage path of the first result set to the view content information corresponding to the BI system;
calling a display interface corresponding to the BI system to acquire instrument panel information corresponding to the BI system;
and triggering the execution of the instrument panel of the BI system according to the view model information, the view content information and the instrument panel information so as to execute the BI node corresponding to the BI system and generate a second result set in a picture format.
3. The BI node execution method of claim 2, wherein the step of extracting the metadata in the first result set and using the metadata as a call parameter to call an execution interface of the BI system is preceded by the method further comprising:
and generating an interface calling request carrying the login state information of the BI system and sending the interface calling request to a gateway corresponding to the workflow system, so that after the gateway confirms that the login state information in the interface calling request is correct, the interface calling request is sent to the BI system, and an interface of the BI system is called according to the interface calling request.
4. The method of claim 1, wherein the step of the scheduler executing the front-end node in the workflow system to obtain the first result set in the corresponding table format comprises:
a scheduler corresponding to the workflow system calls an execution method of a preposed node corresponding to a BI system, and calls an external system corresponding to the preposed node to execute a preset script according to the execution method to obtain an execution result set in a preset format;
the execution result set is converted to a first result set in a tabular format.
5. The BI node execution method of claim 4, wherein the step of calling the external system corresponding to the front node according to the execution method to execute a preset script to obtain an execution result set in a preset format comprises:
calling an execution interface of the external system corresponding to the preposed node according to the execution method, and writing a script name of a preset script corresponding to the preposed node into an execution request as a parameter through the execution interface;
and sending the execution request to an external system corresponding to the front node, so that the external system executes a preset script corresponding to the script name according to the execution request to obtain an execution result set in a preset format.
6. The BI node execution method of claim 1, wherein prior to the step of executing the BI node corresponding to the BI system according to the first result set to generate the second result set in the picture format, the method further comprises:
storing the first result set into a preset storage system;
when all preposed nodes corresponding to the BI system are detected to be in a successful state, determining a job identification corresponding to the preposed nodes;
and determining a storage path for storing the corresponding first result set according to the operation identification, and acquiring the corresponding first result set in the storage system according to the storage path.
7. The BI node execution method of any of claims 1 through 6, wherein a scheduler associated with the workflow system executes a front node associated with the BI system to obtain the first result set in the corresponding table format, before the step of:
reading each node in the workflow system, and determining the execution sequence of each node according to the dependency relationship among the nodes;
and determining a front node corresponding to the BI system according to the execution sequence.
8. A BI node execution apparatus in a workflow system, the BI node execution apparatus in the workflow system comprising:
the execution module is used for executing the preposed nodes corresponding to the BI system to obtain a first result set in a corresponding table format;
the generating module is used for executing the BI nodes corresponding to the BI system according to the first result set and generating a second result set in a picture format;
and the sending module is used for sending the second result set to the BI node so that the BI node can generate a third result set according to the second result set and store the job identification corresponding to the third result set in the context information corresponding to the workflow system.
9. A BI node execution device in a workflow system, the BI node execution device in the workflow system comprising a memory, a processor and a BI node execution program in the workflow system stored on the memory and executable on the processor, the BI node execution program in the workflow system when executed by the processor implementing the steps of the BI node execution method in the workflow system as claimed in any one of claims 1 to 7.
10. A computer-readable storage medium, in which a BI node execution program in a workflow system is stored, which when executed by a processor implements the steps of the BI node execution method in the workflow system according to any one of claims 1 to 7.
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