tryCancel() — netty Function Reference

Architecture documentation for the tryCancel() function in PromiseNotificationUtil.java from the netty codebase.

Function java CommonUtil Internal

Entity Profile

CommonUtil→ Internal→ tryCancel() — netty Function Reference

Dependency Diagram

graph TD
  5a2ea6ba_7807_ec41_025e_babb950d78d6["tryCancel()"]
  4db353b5_b84b_a5f5_1955_3d37fb42003e["PromiseNotificationUtil"]
  5a2ea6ba_7807_ec41_025e_babb950d78d6 -->|defined in| 4db353b5_b84b_a5f5_1955_3d37fb42003e
  style 5a2ea6ba_7807_ec41_025e_babb950d78d6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

common/src/main/java/io/netty/util/internal/PromiseNotificationUtil.java lines 31–42

    public static void tryCancel(Promise<?> p, InternalLogger logger) {
        if (!p.cancel(false) && logger != null) {
            Throwable err = p.cause();
            if (err == null) {
                logger.warn("Failed to cancel promise because it has succeeded already: {}", p);
            } else {
                logger.warn(
                        "Failed to cancel promise because it has failed already: {}, unnotified cause:",
                        p, err);
            }
        }
    }