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9.5 Other Forms of Single-Threaded Subsystems - Coggle Diagram
9.5 Other Forms of Single-Threaded Subsystems
Thread Confinement Beyond GUIs
Not limited to GUIs
Can be used in any single-threaded subsystem
Purpose:
Avoid synchronization and deadlocks
Or comply with external constraints
Native Library Constraints
Some native libraries require:
All access from a single thread
Even System.loadLibrary must be called from that thread
Solution: Use Dedicated Thread
Create a dedicated thread or use newSingleThreadExecutor
Use a proxy object:
Intercepts method calls
Submits them as tasks to the single-threaded executor
Combining with Futures
Use Future and Future.get() to:
Submit task
Wait for result
Ensures synchronous semantics while maintaining thread confinement
Automation with Dynamic Proxies
If the class implements an interface:
You can automate:
Method wrapping
Submitting Callable tasks
Waiting for results
Simplifies managing thread-confined access