apache/plc4x
Sep 2025 – Sep 2025
1 Month active
Languages Used
Java
Technical Skills
Event HandlingProtocol ImplementationSubscription Management
Jonas Halvarsson
PROFILE
Jonas Halvarsson
During this period, contributed a key feature to the apache/plc4x repository by implementing per-tag subscription consumer mapping for the OPC UA driver. This work involved enhancing the Java-based protocol logic to register individual consumers for each tag within a subscription, enabling more granular event handling and data processing. The approach improved the flexibility and efficiency of subscription management, particularly for complex enterprise OPC UA deployments, and reduced manual configuration requirements. Focus remained on feature delivery and stabilization, with no major bugs addressed. Demonstrated skills included event handling, protocol implementation, and subscription management, all within the context of Java and OPC UA technologies.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
1Total
Bugs
0
Commits
1
Features
1
Lines of code
26
Activity Months1
Work History
September 2025
1 Commits • 1 Features
Sep 1, 2025Month: 2025-09 — Delivered a key feature for the PLC4X OPC UA driver by implementing per-tag subscription consumer mapping, enabling granular data handling and event processing within a subscription. The change registers all requested consumers with the OPC UA subscription (commit 34a9db2fa70b136b59fdfdefb6985b1eaae2a5fa). Impact: increases flexibility and efficiency of subscription management, improves data throughput for complex deployments, and reduces manual configuration overhead. Technologies/skills demonstrated: Java-based PLC4X OPC UA driver contributions, OPC UA protocol understanding, subscription management, and commit-driven development. Business value: higher reliability and scalability for enterprise OPC UA integrations. No major bugs fixed this month; primary focus on feature delivery and stabilization.
1 Commits • 1 Features
Sep 1, 2025Month: 2025-09 — Delivered a key feature for the PLC4X OPC UA driver by implementing per-tag subscription consumer mapping, enabling granular data handling and event processing within a subscription. The change registers all requested consumers with the OPC UA subscription (commit 34a9db2fa70b136b59fdfdefb6985b1eaae2a5fa). Impact: increases flexibility and efficiency of subscription management, improves data throughput for complex deployments, and reduces manual configuration overhead. Technologies/skills demonstrated: Java-based PLC4X OPC UA driver contributions, OPC UA protocol understanding, subscription management, and commit-driven development. Business value: higher reliability and scalability for enterprise OPC UA integrations. No major bugs fixed this month; primary focus on feature delivery and stabilization.
September 2025
Activity
Loading activity data...
Quality Metrics
Correctness80.0%
Maintainability80.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
Java
Technical Skills
Event HandlingProtocol ImplementationSubscription Management
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline