Java Bean Reflection Data Class Update Mechanism
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Solution Overview
Problem
In object-oriented programming, updating data fields in complex, many-tiered object hierarchies requires writing and testing extensive lines of code, leading to increased development time, effort, and the risk of code defects due to the need for separate 'if' statements for each data field.
Innovation Solution
The solution involves using Java Bean reflection to traverse the data class hierarchy and leverage getter and setter methods for data field updates, eliminating the need for separate code segments and allowing updates to be performed through a single method call, which reduces the amount of code required and minimizes the opportunity for errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If separate code segments are written for each data field update, then data field updates can be performed individually, but the number of lines of code increases significantly and development time increases
Solution Approach 1:
The update method is designed to handle multiple data field updates through a single unified code structure. The method accepts variable arguments representing different data fields and their update values, allowing one method to perform what previously required multiple separate code segments. This universal approach eliminates the need for individual update methods for each data field.
Solution Approach 2:
The patent introduces an intermediary reflection mechanism that automatically traverses the data class hierarchy and identifies which data fields need updating. This intermediary layer between the update call and the actual data modification eliminates the need for explicit conditional logic for each field, reducing code complexity while maintaining individual field update capability.
2Reliability
If separate 'if' statements are written for each data field, then each data field can be updated conditionally, but the amount of code required increases and testing effort increases
Solution Approach 1:
The update method performs self-service by automatically determining which data fields require updating through reflection. Instead of requiring the programmer to write conditional statements for each field, the method introspects the data class hierarchy, compares the target object with the source object, and automatically applies updates only to fields that differ. This self-service mechanism maintains conditional update accuracy while eliminating manual code writing and testing for each field.
Solution Approach 2:
The patent replaces the mechanical system of manual conditional statement writing with an automated reflection-based mechanism. The reflection API automatically traverses the class hierarchy, identifies modifiable fields, and applies updates without requiring explicit conditional logic. This substitution eliminates the need for extensive testing of conditional branches while preserving the reliability of conditional updates.
3Adaptability or versatility
If extensive code is written to handle complex object hierarchies, then all data fields can be updated, but the opportunity for code defects increases
Solution Approach 1:
The patent replaces error-prone manual code with an automated reflection mechanism that traverses complex object hierarchies. The reflection API dynamically inspects the class structure, identifies all data fields including those in parent classes, and applies updates systematically. This automated approach eliminates the manual coding errors that occur when handling complex hierarchies while maintaining full adaptability to any object structure.
Solution Approach 2:
The update method is designed to be universally applicable to any data class hierarchy regardless of complexity. By using reflection to dynamically traverse the class structure and identify modifiable fields, the method adapts to any object hierarchy without requiring specialized code for each case. This universal approach reduces code defect risk by eliminating the need for manual adaptation to different hierarchy structures.
4Reliability
If all data is transferred for updates, then complete object state can be restored, but network load increases
Solution Approach 1:
The patent extracts only the necessary update information from the source object and transfers only the modified data fields to the target object. Instead of transferring the entire object state, the method identifies and applies only the specific fields that differ between source and target, thereby reducing network load while ensuring complete update of all necessary data.
Data Source
AI summary
A method for updating data includes, in a processor, receiving a data field update associated with an existing data object of a data class, modifying a data field of an updater data object of the data class based upon the data field update, traversing the updater data object to identify the modified data field, and modifying a data field of the existing data object based upon the identified data field of the updater data object.