18 results about "Java object" patented technology

The application provides a vehicle data collection method, system and electronic equipment, relates to the technical field of data collection, and receives message data of a vehicle sent by a CANFD analyzer; the message data is subjected to deserialization processing to obtain target data satisfying a JAVA object structure; according to the structure types of various data in the target data, the frame IDs of the various data are determined; the target data is classified according to the categories of the frame IDs to obtain target data sets corresponding to various business types; the target data set corresponding to any business type is grouped according to the data collection time points to obtain business data of the business type at multiple time points, and the business data is pushed to the front end. The message data is obtained through the CANFD analyzer, the data transmission efficiency is improved, in addition, the data is classified according to the frame IDs and grouped according to the collection time points, which helps to improve the data analysis efficiency.

The invention provides an Excel import method and system for multi-dimensional and multi-type associated data, and relates to the field of information processing, and the method comprises the following steps: loading the multi-dimensional and multi-type associated data through streaming reading, and creating an object to receive and gather the multi-dimensional and multi-type associated data; performing data distribution on the summarized multi-dimensional and multi-type associated data to obtain mapped data and mapping data; performing data verification on the mapped data and the mapping data; finding a mapping group to which the mapping data belongs by formulating Hash mapping corresponding to the mapping data; and carrying out secondary verification by adopting tree branches based on the judgment conditions in the mapping group to which the mapping data belongs. According to the method, streaming reading is adopted, the problem of memory overflow during large data volume processing is avoided, the Excel data is mapped into the Java object, the accuracy of data processing is improved, and unstructured data is efficiently acquired and processed by optimizing EasyExcel and combining MongoDB storage and front-end interaction capacity.

The invention discloses a method, a system, equipment and a medium for dynamically processing data access authority based on AST, and the method comprises the following steps: obtaining an SQL statement script and user information corresponding to a user model, the user model comprising the user information and the SQL statement script; analyzing the SQL statement script into a Java object of an AST structure by using an SQL analysis engine; and according to the analyzed Java object, adding an access control permission corresponding to the user information to an SQL statement script in a user model by using a predefined process engine so as to reconstruct the SQL statement script, thereby realizing dynamic processing of the data access permission. And then returning an execution result of the user model by executing the reconstructed SQL statement script. All links of the whole SQL processing process are defined as nodes of the process engine, flexible configuration and dynamic adjustment of the process are achieved, and the flexibility and reliability of the whole processing process are improved.

The Java-based memory transaction management method disclosed by the embodiment of the application comprises the following steps: enabling a Java class data structure to be a Diff class; obtaining a transaction context instance of a Diff object through a unique identifier rootID of the Diff object; executing a start method of the transaction context to start a transaction; executing original business logic to modify memory data of the Diff object; after the execution of the business logic, if the business logic is normal, executing a commit method of the transaction context to submit the transaction, and ending the transaction; if the business logic has an exception, executing a rollback method of the transaction context to roll back the transaction, restoring modified data content of the Diff object, and ending the transaction. The Java-based memory transaction management method realizes memory level transaction processing of Java objects and object attributes, supports complex class data structure and multi-layer transaction nested execution, and provides a method with application potential for transaction management based on memory data.

The application provides a dynamic expansion method of a model and a device thereof, and relates to the technical field of terminal equipment, financial technology and information technology industry. The application determines a target component from a graphical component library, generates a business model based on the target component, structures the business model in a meta model, obtains metadata of the business model, and reflects the metadata to generate a Java object of the business model runtime. The application provides a method for writing a business model through graphing, which can quickly generate a backend Java object while generating a front-end webpage. Compared with a traditional programming code writing method, when an application developer designs an application through a visual method, the threshold is low, the iteration speed is improved, the model function can be dynamically enhanced at runtime, the model method does not need to be defined in advance, the program maintenance cost is reduced, and the expansion capability of the program is improved.

The application provides a Java object serialization and deserialization method, which can work in a heterogeneous environment, can select different transmission strategies according to different transmission scenes, supports reasonable data type conversion when binary code is deserialized into objects, and has the advantages of fast data transmission and persistent storage efficiency and small space occupation of serialized data. Through the application, users can realize the serialization and deserialization of native types, common basic types, basic type arrays, basic collections and class objects in Java, and can also realize the conversion of reasonable data types.

This invention provides a method, system, medium, and device for garbage collection in a Java garbage collector for heterogeneous memory. This garbage collector follows the approach of generational garbage collectors. Its key feature is that, addressing the unsuitability of writing operations on non-volatile memory, it re-partitions the Java heap to mitigate the impact of poor write performance and low write endurance on non-volatile memory. Compared to existing technologies, this invention captures the semantics of Java objects, thereby improving performance and reducing wear and tear on non-volatile memory. Furthermore, based on the mainstream Java Virtual Machine, it is easy to promote and apply.

The application discloses a data conversion method and device, the method comprises the following steps: reading XML data to be converted to obtain a first file object; parsing the first file object to obtain first custom Map structure data; the first custom Map structure data comprises a key value determined based on a node path and a node characteristic and a value value corresponding to the key value; attribute annotation information of a custom Java object corresponding to the first file object is determined, a mapping key value corresponding to the custom Java object is determined based on the attribute annotation information; a matching value value matched with the mapping key value in the first custom Map structure data is found, the matching value value is reflected and assigned to the custom JAVA object to obtain a target Java object. When the method is applied to Fintech, the conversion efficiency of mutual conversion between XML data and Java objects is improved.

The invention relates to an automatic testing method, device and equipment based on configuration and a medium. The invention relates to the technical field of automatic test tools, can be applied to business system platforms of financial science and technology, medical treatment and health and the like, carries out process identification on business data obtained in advance, extracts operation process information in the business data to obtain operation process data, encodes the operation process data into an XML format through configuration to obtain XML data, and sends the XML data to a server. Converting the XML data into a JAVA object, generating simulation operation data based on a preset test scheme, utilizing the JAVA object to control a preset test framework to execute the simulation operation data in a preset test webpage to obtain an automatic test result, and comparing the automatic test result with an expected result to obtain an automatic test result. And an automatic test report is generated according to a comparison result. According to the invention, the efficiency of automatic testing and the maintainability of an automatic testing system can be improved.

The application provides a method for recording object references based on threads in Java, comprising the following steps: obtaining all reference types of C++ holding Java objects in a system; creating reference interfaces according to the reference types respectively; classifying all reference interfaces to obtain a plurality of reference interface sets; creating encapsulation classes respectively to encapsulate any reference interface set; and establishing statistical interfaces in the encapsulation classes respectively to count the reference quantity corresponding to any reference type, wherein the application counts the reference quantity corresponding to different reference types according to all reference types of C++ holding Java objects, and then obtains the resource leakage situation of any reference type, which is beneficial to investigation according to the reference types.

A method for developing an Android TV hybrid application includes: generating an Android web browsing component in an Android activity, the Android activity belonging to an Android end of the application; obtaining a web browsing setting subclass, and using the web browsing setting subclass to configure the Android web browsing component; using a web technology to develop a web page interface, which belongs to a web end of the application; using the Android web browsing component to load and display the web page interface; creating a first Java object in the Android end to define communication between the Android end and the web end, and creating a second Java object to implement an interface defined by the first Java object, so that the web end can call the interface using the two Java objects; placing a packaged Java class in the Android end for sending information to the web end, and placing a packaged JavaScript module in the web end for maintaining a listening list to process the information, so that the Android end can feed back the information to the web end.

The present application relates to the technical field of data processing, and particularly relates to a method, system and device for converting an XML document into an object and a storage medium. The present application aims to solve the technical problems that the JAXB generated Java class is not optimized or cannot meet the developer's requirements, and the process of a large or complex XML document is too complex. The present application comprises the following steps: obtaining an XSD file of an XML document and performing parsing to obtain XSD parsed data; configuring corresponding rule data by using a rule configurator; adding the XSD parsed data and the rule data into a template engine to perform code filling and generate a JAVA class; configuring a JAXB context instance; creating a Unmarshaller instance by using a Unmarshaller interface of the JAXB, and performing a deserialization operation on the XML document based on the Unmarshaller instance to obtain a Java object.

This invention provides a method, system, and device for quality inspection of geographic file data based on the Mybatis-Plus framework. The method includes the following steps: pre-writing project-related graphical SQL statements in an XML file; starting the Mybatis-Plus framework and establishing a connection with the database; scanning and reading configuration files in the Mybatis-Plus framework, while simultaneously loading the XML file to generate Java objects that can be directly called by Java; acquiring the geographic file data to be inspected and extracting the graphical data to be inspected; calling the corresponding Java object according to the quality inspection item, comparing the graphical data to be inspected with the graphical data in the database, and determining whether the graphical data to be inspected meets the quality inspection conditions. If so, the geographic file data is stored in the database; otherwise, a quality inspection failure result is returned to the user. This invention optimizes the graphical data quality inspection process, improving inspection efficiency and software maintainability.

The embodiment of the invention provides a message generation method and a related device, and the method comprises the steps: querying a data list based on a preset record number of each page and a page number initial value, and obtaining a query result; when the query result comprises the data in the data list, converting the data in the query result into data in an XML format through an XML streaming writer on the basis of a mapping relationship between a Java object and an XML node; querying the data list based on a preset increased page number until a query result is null; and when the query result is null, generating a message based on the at least one piece of data in the XML format. In the embodiment of the invention, the data is written in batches from the database by adopting a data page-turning query technology, so that the system performance problem caused by loading a large amount of data at one time can be avoided, the method is suitable for generating large XML messages, and the performance and the stability of the system can be improved.

The invention discloses an electric power operation safety disclosure intelligent analysis system and method based on multi-source data fusion. The system comprises a display layer, a service access layer, a gateway isolation layer, a service application layer and a data persistence layer. The display layer completes a user interaction function; the service access layer is responsible for processing a request from the display layer, interacting with the back-end service layer, receiving and processing the request of the display layer and calling back-end service interface data format conversion and adaptation, and the service access layer serves as a bridge between the display layer and back-end service; the gateway isolation layer is responsible for forwarding request routing, load balancing, authentication and authorization; log recording and monitoring of request routing and load balancing authentication and authorization requests and responses; according to the service application layer, JTA is adopted for transaction control in the service application layer; and the data persistence layer is used for accessing data sources including the relational database and converting the data into Java objects to be called by programs of other layers. According to the invention, the risk identification capability is obviously improved.

The invention relates to a business function code generation method and device, a medium and equipment. The method comprises the following steps: acquiring a demand statement input by a user for a business service function; the demand statement is analyzed, and a Java object is obtained; wherein the Java object comprises a rule type object; and performing semantic rule conversion on the demand statement based on a rule template corresponding to the rule type object, and generating an execution code of the business service function. According to the technical scheme, the execution code generation efficiency can be improved.

The invention discloses a memory optimization method and device for an application program and a nonvolatile storage medium. The method comprises the steps that a target class to which an initial object belongs is obtained, and the initial object is located in a memory of a target application program; determining a plurality of initial member variables included in the initial object based on the target class; determining a plurality of target member variables in the plurality of initial member variables based on respective data types of the plurality of initial member variables; combining the plurality of target member variables to obtain a combined member variable; based on the combined member variable, a target object is determined, and the memory occupation amount of the target object is smaller than the memory occupation amount of the initial object. The technical problem that traditional JAVA object memory layout can cause significant memory waste is solved.

The invention provides a Java application extension method, a script engine and computing device.The script engine is embedded in a Java host environment, when a Java application runs, a first program element and an authorized Java object or class in a script file are obtained, and the Java application is extended by means of the script engine on the basis of the authorized Java object or class. And constructing a dynamic syntax tree corresponding to the first program element and a dynamic syntax tree environment. A Java reflection mechanism is adopted to obtain member information of an authorized Java object or class, and the member information of the Java object or class is added to a dynamic syntax tree in a dynamic syntax tree environment, so that a developer can perform method overwriting and parameter derivation. According to the method, dynamic interaction between the script engine and the Java host environment is achieved when the Java application runs, the operation processes of object construction, method overwriting and parameter derivation and the Java application architecture are simplified on the basis that Java codes are not changed, the development efficiency is improved, and the product development period is shortened.