handlerSharableCache() — netty Function Reference

Architecture documentation for the handlerSharableCache() function in InternalThreadLocalMap.java from the netty codebase.

Function java CommonUtil Internal

Entity Profile

CommonUtil→ Internal→ handlerSharableCache() — netty Function Reference

Dependency Diagram

graph TD
  addae781_6966_a203_d3e5_c2bd0876a48d["handlerSharableCache()"]
  d6ca0ae0_1399_e584_fef6_bfc2f1e3e146["InternalThreadLocalMap"]
  addae781_6966_a203_d3e5_c2bd0876a48d -->|defined in| d6ca0ae0_1399_e584_fef6_bfc2f1e3e146
  style addae781_6966_a203_d3e5_c2bd0876a48d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

common/src/main/java/io/netty/util/internal/InternalThreadLocalMap.java lines 300–307

    public Map<Class<?>, Boolean> handlerSharableCache() {
        Map<Class<?>, Boolean> cache = handlerSharableCache;
        if (cache == null) {
            // Start with small capacity to keep memory overhead as low as possible.
            handlerSharableCache = cache = new WeakHashMap<>(HANDLER_SHARABLE_CACHE_INITIAL_CAPACITY);
        }
        return cache;
    }