cancel() — netty Function Reference

Architecture documentation for the cancel() function in DefaultPromise.java from the netty codebase.

Function java CommonUtil Concurrent calls 2

Entity Profile

CommonUtil→ Concurrent→ cancel() — netty Function Reference

Dependency Diagram

graph TD
  6636473d_c073_6689_5a79_bdbd8f601e8b["cancel()"]
  a0080a71_f091_42e0_8a20_424f0bf9d34a["DefaultPromise"]
  6636473d_c073_6689_5a79_bdbd8f601e8b -->|defined in| a0080a71_f091_42e0_8a20_424f0bf9d34a
  15a707cb_bb33_f322_a821_0eaa8716e3de["checkNotifyWaiters()"]
  6636473d_c073_6689_5a79_bdbd8f601e8b -->|calls| 15a707cb_bb33_f322_a821_0eaa8716e3de
  00513e87_934e_6633_22ee_a4fb405c640f["notifyListeners()"]
  6636473d_c073_6689_5a79_bdbd8f601e8b -->|calls| 00513e87_934e_6633_22ee_a4fb405c640f
  style 6636473d_c073_6689_5a79_bdbd8f601e8b fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

common/src/main/java/io/netty/util/concurrent/DefaultPromise.java lines 396–405

    @Override
    public boolean cancel(boolean mayInterruptIfRunning) {
        if (RESULT_UPDATER.compareAndSet(this, null, CANCELLATION_CAUSE_HOLDER)) {
            if (checkNotifyWaiters()) {
                notifyListeners();
            }
            return true;
        }
        return false;
    }